CN109019817A - A kind of municipal wastewater processing unit and its application method - Google Patents
A kind of municipal wastewater processing unit and its application method Download PDFInfo
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- CN109019817A CN109019817A CN201810963476.3A CN201810963476A CN109019817A CN 109019817 A CN109019817 A CN 109019817A CN 201810963476 A CN201810963476 A CN 201810963476A CN 109019817 A CN109019817 A CN 109019817A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of municipal wastewater processing unit and its application methods, it is related to environment protection field, its drip irrigation device includes reaction tank, water inlet pipe is connected at the upper side of the reaction tank, lower section side is connected with outlet pipe, the water inlet pipe is connected with intake pump, the outlet pipe is connected with water outlet pump, the reaction bottom of pond portion is tapered and is connected with filter press by sludge pipe, sludge pump is connected in the middle part of the sludge pipe, the filter press water outlet is connect by return pipe with reaction tank, reflux pump is connected in the middle part of the return pipe, blender is fixedly connected with by fixed frame in the reaction tank, cast feeder is provided on the upside of the reaction tank inner wall, the cast feeder is provided with heavy metal chelating agent.Sewage is handled by heavy metal chelating agent, and heavy metal ion is combined in the way of chelating, the treatment effect of heavy metal is greatly improved, and treated, and sewage does not contain heavy metal or containing few heavy metal, will not cause damages to environment.
Description
Technical field
The present invention relates to environment protection field, in particular to a kind of municipal wastewater processing unit and its application method.
Background technique
As environmental consciousness is rooted in the hearts of the people, the processing of waste water and gas is taken seriously gradually.Sewage treatment refers to reach sewage
The process that it is purified to the water quality requirement for draining or reusing, be protect urban environment, energy-saving and emission-reduction it is important
Means are both needed to by sewage treatment before industrial wastewater discharge.Currently, municipal wastewater processing is generally divided into three-level, coagulation is
Refer to undissolved pollutant and parasitic ovum in Applied Physics facture removal sewage；Two stage treatment refers to using biological treatment
The oxidation operation of complexity various in sewage is degraded to simple substance by method；Tertiary treatment refers to the applied chemistry precipitation method, life
Object chemical method, physical-chemical process etc. remove phosphorus, nitrogen, organic matter difficult to degrade, inorganic salts etc. in sewage.
Notification number is that the Chinese patent of CN103420455B discloses a kind of sewage-treatment plant, including protective layer and carbon
Stick, the protective layer are the material with water penetration, and carbon-point is placed in protective layer, and carbon-point one end is stretched out outside protective layer, are protected
It is filled with granular active carbon in sheath, is fixed with several zinc metal sheets on protective layer outer wall, two adjacent zinc metal sheets apart have
Gap, and all zinc metal sheets are in parallel.
Above-mentioned sewage-treatment plant handles sewage using electrolysis method, and the harmful substance in sewage occurs at yin-yang the two poles of the earth
Redox reaction, and then be converted to innocuous substance, is suitable for cyanide wastewater, but for the treatment effect of heavy metal classes sewage compared with
Difference just can not continue to remove after concentration of heavy metal ion is reduced to low concentration because the electrolytic efficiency of weak solution is low, discharge
Still contain a little heavy metal in sewage, can do great damage, have much room for improvement to environment.
Summary of the invention
In view of the above technical defects, the object of the present invention is to provide a kind of municipal wastewater processing units, for heavy metal classes
The high treating effect of sewage has great environment protection significance.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal wastewater processing unit, including reaction tank, the reaction tank upper side is connected with water inlet pipe, lower section side connects
It is connected to outlet pipe, the water inlet pipe is connected with intake pump, and the outlet pipe is connected with water outlet pump, and the reaction bottom of pond portion is tapered
And filter press is connected with by sludge pipe, it is connected with sludge pump in the middle part of the sludge pipe, the filter press water outlet passes through back
Flow tube is connect with reaction tank, and reflux pump is connected in the middle part of the return pipe, is fixedly connected in the reaction tank by fixed frame
Blender, the reaction tank inner wall upside are provided with cast feeder, and the cast feeder is provided with heavy metal chelating agent.
By using above-mentioned technical proposal, after a certain amount of sewage is pumped into reaction tank by intake pump, sewage PH is first adjusted
Value, then heavy metal chelating agent is added in it by cast feeder, and cooperate flocculant, so that heavy metal precipitation is to reacting bottom of pond portion
And be evacuated in filter press by sludge pump, subsequent filter press will be separated by solid-liquid separation, and extra moisture is refluxed in pumping to reaction tank, weight
Newly handled.Sewage is handled by heavy metal chelating agent, and heavy metal ion is combined in the way of chelating, so that weight
Precipitated metal greatly improves the treatment effect of heavy metal, and treated, and sewage without containing heavy metal or contains few weight
Metal will not cause damages to environment.
The present invention is further arranged to: the heavy metal chelating agent be it is powdered, the cast feeder includes aggregate bin, described
Opening is provided with top cover, is connected with sub-material channel at lower opening on the upside of aggregate bin, and the sub-material channel includes and aggregate bin
The fixation channel being fixedly connected, the fixed channel are provided with active tunnel away from the side of aggregate bin, in the active tunnel
Side is fixedly connected with the guiding annular slab being close to fixed vias inner walls, and the active tunnel activity is equipped with and fixed channel spiral shell
The adjusting bolt of line connection, the fixed channel and active tunnel are respectively arranged with the upper slide opening being connected to its inner cavity and downslide
Sub-material piece and baffle are provided at hole, the upper slide opening and lower slide opening respectively, the cavity between the sub-material piece and baffle is fixed
Chamber is measured, the sub-material piece is provided with the feed opening that can be connected to fixed channel lumen.
By using above-mentioned technical proposal, first sampling Detection is needed before sewage treatment, measures content of beary metal accounting, in turn
The deal of investment heavy metal chelating agent needed for being converted according to the capacity of reaction tank.Plurality of heavy metal trapping agent puts into aggregate bin
In after, by sub-material piece blocking and can not drop out, twist after adjusting bolt, the relatively fixed channel axial movement of active tunnel,
The distance between sub-material piece and baffle are adjusted, and then adjusts the size of quantitative chamber to cooperate part of required investment heavy metal chelating agent
Amount pulls sub-material piece to be connected to up to feed opening with fixed channel lumen, so that quantitative chamber is filled up by heavy metal chelating agent, then pushes
Sub-material piece fixes channel until sub-material piece is closed, and finally pulls baffle, so that quantitative intracavitary heavy metal chelating agent falls to reaction
In pond, reaction is participated in.Aforesaid operations are repeated when sewage a batch batch processing, just can quantitatively add heavy metal chelating agent every time, relatively
In the mode of each quantitative weighing, efficiency is greatly improved.
The present invention is further arranged to: the positioning being close to fixed channel outer wall is fixedly connected on the outside of the active tunnel
Annular slab, the fixed channel one side wall are vertically arranged with graduation mark along it.
By using above-mentioned technical proposal, graduation mark where is according to edge on positioning annular slab, just can obtain quantitative chamber
The interior weight for accommodating heavy metal chelating agent, convenient for the size of the quick adjustment quantitative chamber of staff.
The present invention is further arranged to: the sub-material piece is fixedly connected to limit plate in upper slide opening two sides, wherein an institute
Feed opening when limit plate is close to fixed channel is stated to be close to fixed channel lumen connection, another limit plate with fixed channel
When feed opening and fixed channel dislocation, the baffle side is fixedly connected with wide plate.
By using above-mentioned technical proposal, on the one hand two limit plates can limit sub-material piece, avoid sub-material piece
The trouble dropped out；On the other hand it can play the role of positioning, quickly pull sub-material piece to required position convenient for staff, moreover it is possible to rise
Handle effect pulls sub-material piece convenient for people.
The present invention is further arranged to: the sub-material piece and baffle are respectively connected with driving cylinder.
By using above-mentioned technical proposal, sub-material piece and baffle may be implemented to automatically move, more saving manpower.
The present invention is further arranged to: the preparation process of the heavy metal chelating agent is as follows:
Step A: being first added to stirring and dissolving in excessive acetic acid for 30-50 parts of chitosans, then adjusts pH value to neutrality, is subsequently added into
15-20 parts of benzaldehydes stir 25-30H, are cleaned after suction filtration with dehydrated alcohol, be finally dried in vacuo, temperature is 40 DEG C；
Step B: step A products therefrom, 100-120 parts of sig waters, 4-6 parts of epoxychloropropane are put into agitator tank, stirring
It is warming up to 30-35 DEG C after uniformly, adds 10-15 parts of sig waters, reacts 15-20H, pH value is finally adjusted to neutrality, filters, water
It washes and is dried in vacuo at 35 DEG C；
Step C: step B products therefrom is added in 52-56 parts of epoxychloropropane, is stirring evenly and then adding into 1-2 parts of perchloric acid,
It is warming up to 75-85 DEG C again, reacts 15-20H, finally cooling, suction filtration, washing, ethyl alcohol is washed, methanol is washed, acetone is dehydrated, then at 35 DEG C
Lower vacuum drying；
Step D: step C products therefrom is added in 150-200 parts of deionized waters, adds 1-3 parts of natrium carbonicum calcinatums, and stirring is equal
It is even, 20-25 parts of diethylenetriamines are then slowly added into, are warming up to 55-65 DEG C, react 30min, then be warming up to 75-85 DEG C, are reacted
4H is dried in vacuo after reaction with suction filtration, acetone dehydration after salt pickling, washing, adjusting PH to neutrality in 35 DEG C；Step E:
Step D products therefrom is added in 200-250 parts of methanol, is stirred evenly, 40% sodium hydroxide solution of 80-90 part is added,
After reaction 2 hours, 35-40 parts of carbon disulfide, 72-80 parts of ethyl alcohol are added, react 30min, then heat to 45 DEG C, react 16H,
It is warming up to 50 DEG C again, reacts 2H, it is finally cooling, ethyl alcohol is washed, salt pickling, caustic washing, washing, acetone dehydration, then at 35 DEG C
Vacuum drying, obtains modification of chitosan.
By using above-mentioned technical proposal, a large amount of amino, oxygroup and N- acetyl group etc. are contained in chitosan molecule segment
Active function group can make chitosan form the cage molecule for being similar to reticular structure by hydrogen bond or sat linkage.Especially molecule
In amino be capable of providing the activated adoption site with various metals ionic reaction, can be handed over by chelating, ion under low concentration
The mode adsorbing metal ions changed, and then it is effectively removed heavy metal ion.
By crosslinking agent epoxychloropropane, carries out chitosan surface-crosslinked, on the one hand can improve chitosan in acidity
Under the conditions of stability, avoid amino from forming free state in acid and lose the adsorptivity to heavy metal, on the other hand adsorbing
It can be with recycling and reusing after complete heavy metal.Before chitosan crosslinked, first reacted with benzaldehyde to protect amino, finally use hydrochloric acid again
Amino is released, products therefrom has the adsorption capacity more having.
Chitosan crosslinked rear surface has been grafted DTC group, and DTC group has extremely strong sequestering power, therefore modified shell is poly-
For sugar with the dual structure of high-molecular compound and DTC group, complex performance and product stability be above protoconch glycan,
Heavy metals removal effect is reinforced.
The present invention is further arranged to: the heavy metal chelating agent further include it is modified montmorillonite used, it is described it is modified montmorillonite used and
The weight ratio of modification of chitosan is 1: 1.
By using above-mentioned technical proposal, first, modified montmorillonite used play the role of helping flocculated, heavy metal chelating agent throwing
After entering into sewage, chitosan because on its strand contain multiple hydroxyls and amino, and in water easily with hydrogen ion protonate and
It is melted into cationic polyelectrolyte, and then physical reaction occurs between montmorillonite, due to there is stronger electricity association therebetween
The collaboration of same and molecule, montmorillonite mainly play a part of to adsorb water-soluble substances and adhere to suspended particles in water, and chitosan is built bridge
Effect, so that montmorillonite and chitosan can accelerate flocculation process after combining；
Second, modified montmorillonite used play the role of adsorbing heavy metal, montmorillonite is by two layers of oxygen-octahedron and one layer of hydrogen-oxygen octahedral
Body forms a crystal layer, belongs to 2: 1 type lattices, silicon, aluminium atom are easily by isomorphous ionic compartmentation in lattice, so that crystals are electric
Lotus is uneven, so as to adsorb heavy metal ion；
Third, modified montmorillonite used play the role of desiccant, connected between montmorillonite crystal layer mainly by weak intermolecular force, because
This connection is not close, and hole is big, therefore has preferable water imbibition, when heavy metal chelating agent is placed in cast feeder, montmorillonite
It can reduce air humidity, and then avoid modification of chitosan from making moist and lead to the trouble of adsorptivity decline.
The present invention is further arranged to: described modified montmorillonite used modified through aluminum crosslinker by montmorillonite and obtain.
By using above-mentioned technical proposal, the specific surface of modified montmorillonite increases, and interlamination region is further open, it is big to support,
Make its adsorption range further expansion, absorption property is more preferable.
The present invention is further arranged to: the heavy metal chelating agent further includes plant powder, the plant powder, modified illiteracy
The weight ratio of de- stone and modification of chitosan is 0.5: 1: 1, and the preparation process of the plant powder is as follows: first by peanut shell,
Rice husk and corn stem are cleaned, then are placed in baking oven and are dried, and temperature is 62-65 DEG C, and pulverizer powder is used for after being cooled to room temperature
It is broken, it is filtered by 1mm nylon mesh, obtains respective powder, by weight by the powder of peanut shell, rice husk and corn stem finally
The ratio between matched at 2: 1: 1, obtain plant powder.
By using above-mentioned technical proposal, content of cellulose is higher in peanut shell, rice husk and corn stem, to heavy metal
Ion has adsorption capacity.The raw material of plant powder are cheap wastes of crops, are mixed into heavy metal chelating agent
In, the dosage of modification of chitosan can be greatly reduced, and guarantee heavy metals removal effect, cost decline.
A kind of application method of municipal wastewater processing unit, includes the following steps:
Step 1: sewage is evacuated in reaction tank using intake pump until full at water inlet pipe；
Step 2: first adjusting the pH value of sewage to 4.5-7, then baffle is pulled, so that quantitative intracavitary heavy metal chelating agent investment
In sewage, it is subsequently added into flocculant, stands 25-30min；
Step 3: the heavy metal precipitation for reacting bottom of pond portion is evacuated in filter press by sludge pump, then by water outlet pump, will react
Treated in pond, and sewage is taken away；
Step 4: filter press works, the moisture contained in heavy metal precipitation is squeezed out, and is back in reaction tank, with next group
Sewage is handled together, and the precipitating discharge after filters pressing, carries out landfill disposal.
Through the above technical solutions, the heavy metal in sewage can be removed preferably.
In conclusion the invention has the following advantages:
1. heavy metal chelating agent, for the heavy metal high treating effect in sewage, sewage after processing is free of or containing few
Heavy metal will not cause damages to environment；
2. heavy metal chelating agent can realize that fast quantification is launched by cast feeder, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the structural schematic diagram of cast feeder in embodiment one；
Fig. 3 is schematic cross-sectional view of the Fig. 2 along line A-A；
Fig. 4 is the perspective view of the explosion of cast feeder in embodiment one；
Fig. 5 is the structural schematic diagram of active tunnel in embodiment one；
Fig. 6 is the structural schematic diagram of cast feeder in embodiment two.
Description of symbols: 1, reaction tank；2, cast feeder；21, aggregate bin；22, top cover；23, sub-material channel；231, fixed
Channel；2311, upper slide opening；2312, graduation mark；232, active tunnel；2321, lower slide opening；233, it is oriented to annular slab；234, quantitative
Chamber；235, annular slab is positioned；24, bolt is adjusted；25, sub-material piece；251, feed opening；252, limit plate；26, baffle；261, wide
Plate；27, cylinder is driven；3, water inlet pipe；4, outlet pipe；5, intake pump；6, water outlet pump；7, sludge pipe；8, filter press；9, spoil disposal
Pump；10, return pipe；11, reflux pump；12, blender；13, fixed frame.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
A kind of municipal wastewater processing unit, as shown in Figure 1, including the reaction tank 1 for being in heavy metal containing sewage.On reaction tank 1
Square side is connected with water inlet pipe 3, lower section side is connected with outlet pipe 4, and water inlet pipe 3 is connected with intake pump 5, and outlet pipe 4 is connected with
Water outlet pump 6.After sewage is pumped into reaction tank 1 by intake pump 5, pH value is first adjusted, then put into heavy metal chelating agent, flocculant, sewage
In heavy metal ion will be chelated and form precipitating, fall into 1 bottom of reaction tank.Treated sewage is without or with few
Heavy metal will not impact environment, be further processed after being taken away by water outlet pump 6 to remove the Toxic of remaining type
Matter.
As shown in Figure 1,1 inner cavity top of reaction tank is fixedly connected with blender 12 by fixed frame 13.Blender 12 includes
Motor and the paddle being driven by motor, motor are located at 1 top of reaction tank.PH regulator, heavy metal chelating agent, flocculant add
After entering in sewage, blender 12 works, and just it can be made uniformly to mix, and accelerates precipitating.1 bottom of reaction tank is tapered and passes through spoil disposal
Pipe 7 is connected with filter press 8, and sludge pump 9 is connected in the middle part of sludge pipe 7.8 water outlet of filter press passes through return pipe 10 and reaction tank
1 connects, and is connected with reflux pump 11 in the middle part of return pipe 10.After the completion of processing, heavy metal precipitation is evacuated in filter press 8 by sludge pump 9,
Filter press 8 is separated by solid-liquid separation, and reflux pump 11 draws back liquid in reaction tank 1, is continued with.
As shown in Figure 1 and Figure 2, it is fixedly connected with fixed plate on the upside of 1 inner wall of reaction tank, cast feeder 2 is provided in fixed plate,
Cast feeder 2 is provided with powdered heavy metal chelating agent.Cast feeder 2 includes the aggregate bin 21 being fixedly connected with fixed plate, is gathered materials
The 21 upside openings that struggle against are provided with top cover 22, are fixedly connected with sub-material channel 23 at lower opening.Top cover 22 is placed on aggregate bin 21
Upside can directly remove, and play the role of preventing sundries from entering aggregate bin 21.
As shown in Figure 3, Figure 4, sub-material channel 23 includes the fixation channel 231 being fixedly connected with aggregate bin 21, fixed channel
231 are provided with active tunnel 232 away from the side of aggregate bin 21.It fixes channel 231 and active tunnel 232 is respectively arranged with and it
The upper slide opening 2311 and lower slide opening 2321 of inner cavity connection, are respectively arranged with 25 He of sub-material piece at upper slide opening 2311 and lower slide opening 2321
Baffle 26, sub-material piece 25 and baffle 26 are wider than fixed 231 inner cavity of channel.Cavity between sub-material piece 25 and baffle 26 is quantitative
Chamber 234, sub-material piece 25 are provided with the feed opening 251 that can be connected to fixed 231 inner cavity of channel.
First sampling Detection is needed before sewage treatment, measures content of beary metal accounting, and then change according to the capacity of reaction tank 1
The deal of investment heavy metal chelating agent needed for calculating.Baffle 26 is pulled, proportioned component can then drop out in quantitative chamber 234, be not necessarily to
Artificial weighing, efficiency greatly improve.After 26 pushed home of baffle, sub-material piece 25 is pulled until feed opening 251 and fixed channel
The connection of 231 inner cavities so that quantitative chamber 234 is filled up by heavy metal chelating agent, then pushes sub-material piece 25 until the closing of sub-material piece 25 is solid
Routing 231 just can complete the feed supplement of quantitative chamber 234, rapid and convenient.
As shown in Figure 4, Figure 5, the guide ring being close to fixed 231 inner wall of channel is fixedly connected on the inside of active tunnel 232
Shape plate 233, outside are fixedly connected with the positioning annular slab 235 being close to fixed 231 outer wall of channel, therefore active tunnel 232 is only
The axial movement of channel 231 can be fixed relatively.The equal activity in 232 two sides of active tunnel is equipped with and fixes what channel 231 was threadedly coupled
Bolt 24 is adjusted, twisting just can adjust the distance between active tunnel 232 and fixed channel 23l after adjusting bolt 24, and then adjust
The distance between whole sub-material piece 25 and baffle 26, so as to adjust the size of quantitative chamber 234 to cooperate required investment heavy metals trapping
The deal of agent.
As shown in figure 4, fixed 231 one side wall of channel is vertically arranged with graduation mark 2312, the numerical value of graduation mark 2312 along it
The weight of heavy metal chelating agent can be accommodated in corresponding quantitative chamber 234.How graduation mark 2312 is according to edge on positioning annular slab 235
Place just can obtain the weight that can accommodate heavy metal chelating agent in quantitative chamber 234, be convenient for the quick adjustment quantitative chamber 234 of staff
Size.Sub-material piece 25 is fixedly connected to limit plate 252 in upper 2311 two sides of slide opening, wherein a limit plate 252 leads to fixed
When feed opening 251 is close to fixed 231 inner cavity of channel connection, another limit plate 252 with fixation channel 231 when road 231 is close into
Expect that hole 251 and fixed channel 231 misplace.Two 252 one side of limit plate can limit sub-material piece 25, avoid sub-material piece
25 troubles dropped out；On the other hand it can play the role of positioning, quickly pull sub-material piece 25 to required position convenient for staff, go back
Handle can be played, pull sub-material piece 25 convenient for people.26 side of baffle is fixedly connected with wide plate 261, convenient for manually by baffle
26 pull out.
The application method of sewage-treatment plant, includes the following steps:
The first step, sampling Detection: extracting a certain amount of sewage, measures its interior content of beary metal and pH value, then the required addition that converts
The amount of PH regulator, heavy metal chelating agent then twists and adjusts bolt 24, the size of adjustment quantitative chamber 234；
Second step, water inlet: using intake pump 5, sewage is evacuated in reaction tank 1 until full at water inlet pipe 3；
Processing: third step first passes through the pH value of PH regulator (such as calcium hydroxide, sulfuric acid) adjusting sewage to 6, pH range takes
In 4.5-7, then baffle 26 is pulled, so that being subsequently added into flocculant in the heavy metal chelating agent investment sewage in quantitative chamber 234
(such as aluminium chloride), blender 12 stand 30min after stirring, can adjust in 25-30min according to the actual situation；
Draining: the heavy metal precipitation of 1 bottom of reaction tank is evacuated in filter press 8 by sludge pump 9, then passes through water outlet by the 4th step
Pump 6, by treated in reaction tank 1, sewage is taken away；
5th step, reflux: filter press 8 works, and the moisture contained in heavy metal precipitation is squeezed out, and is back in reaction tank 1, with
Next group sewage is handled together, and the precipitating after filters pressing is discharged from below, carries out landfill disposal.
Embodiment two:
What is different from the first embodiment is that being respectively connected with driving cylinder 27 at sub-material piece 25 and baffle 26, the piston of cylinder 27 is driven
Bar is fixedly connected with wide plate 261 or limit plate 252, cylinder body is fixed by the bracket in fixed plate, therefore sub-material piece 25 and baffle
26 may be implemented to automatically move, more saving manpower.
Embodiment three:
Heavy metal chelating agent includes plant powder, plant powder, modified montmorillonite used and modification of chitosan weight in embodiment one
The ratio between part is 0.5: 1: 1.
The preparation process of modification of chitosan is as follows:
Step A: being first added to stirring and dissolving in excessive acetic acid for 50 parts of chitosans, then adjusts pH value to neutrality, is subsequently added into 20
Part benzaldehyde stirs 30H, is cleaned after suction filtration with dehydrated alcohol, be finally dried in vacuo, temperature is 40 DEG C；
Step B: step A products therefrom, 120 parts of sig waters, 6 parts of epoxychloropropane are put into agitator tank, after mixing evenly
35 DEG C are warming up to, 15 parts of sig waters are added, reacts 20H, pH value is finally adjusted to neutrality, filters, washes and is true at 35 DEG C
Sky is dry；
Step C: step B products therefrom is added in 56 parts of epoxychloropropane, is stirring evenly and then adding into 2 parts of perchloric acid, then rise
Temperature reacts 20H to 85 DEG C, and finally cooling, suction filtration, washing, ethyl alcohol is washed, methanol is washed, acetone is dehydrated, and vacuum is dry at 35 DEG C
It is dry；
Step D: step C products therefrom is added in 200 parts of deionized waters, 3 parts of natrium carbonicum calcinatums is added, stirs evenly, so
After be slowly added to 25 parts of diethylenetriamines, be warming up to 65 DEG C, react 30min, then be warming up to 85 DEG C, react 4H, after reaction
With suction filtration, acetone dehydration after salt pickling, washing, adjusting PH to neutrality, it is dried in vacuo in 35 DEG C；
Step E: step D products therefrom being added in 250 parts of methanol, is stirred evenly, and it is molten to add 90 part of 40% sodium hydroxide
40 parts of carbon disulfide, 80 parts of ethyl alcohol are added after reaction 2 hours in liquid, react 30min, then heat to 45 DEG C, react 16H, then
It is warming up to 50 DEG C, reacts 2H, it is finally cooling, ethyl alcohol is washed, salt pickling, caustic washing, washing, acetone dehydration, it is true then at 35 DEG C
Sky is dry, obtains modification of chitosan.
Sig water is calcium hydroxide solution.
Modified montmorillonite used preparation process is as follows:
Montmorillonite: being first made 1% water slurry suspension, adds calgon by S1, is then dispersed by high speed disperser
2H；
S2: at normal temperatures and pressures by NaOH solution and AlCl3Solution by weight 1: 1 mixes, and is aged 2 days, obtains after mixing evenly
To aluminum crosslinker；
S3: by aluminum crosslinker and montmorillonite, montmorillonite suspension by 1: 1: 3 mixing, 2H is stirred evenly, then stand 1H, finally dried
It is dry obtain it is modified montmorillonite used.
The preparation process of plant powder is as follows:
First peanut shell, rice husk and corn stem are cleaned, then is placed in baking oven and dries, temperature is 65 DEG C, after being cooled to room temperature
It is crushed for pulverizer, is filtered by 1mm nylon mesh, respective powder is obtained, finally by peanut shell, rice husk and corn stem
Powder the ratio between by weight 2: 1: 1 is matched, and plant powder is obtained.
Example IV:
Heavy metal chelating agent includes plant powder, plant powder, modified montmorillonite used and modification of chitosan weight in embodiment one
The ratio between part is 0.5: 1: 1.
The preparation process of modification of chitosan is as follows:
Step A: being first added to stirring and dissolving in excessive acetic acid for 30 parts of chitosans, then adjusts pH value to neutrality, is subsequently added into 15
Part benzaldehyde stirs 25H, is cleaned after suction filtration with dehydrated alcohol, be finally dried in vacuo, temperature is 40 DEG C；
Step B: step A products therefrom, 100 parts of sig waters, 4 parts of epoxychloropropane are put into agitator tank, after mixing evenly
30 DEG C are warming up to, 10 parts of sig waters are added, reacts 15H, pH value is finally adjusted to neutrality, filters, washes and is true at 35 DEG C
Sky is dry；
Step C: step B products therefrom is added in 52 parts of epoxychloropropane, is stirring evenly and then adding into 1 part of perchloric acid, then rise
Temperature reacts 15H to 75 DEG C, and finally cooling, suction filtration, washing, ethyl alcohol is washed, methanol is washed, acetone is dehydrated, and vacuum is dry at 35 DEG C
It is dry；
Step D: step C products therefrom is added in 150 parts of deionized waters, 1 part of natrium carbonicum calcinatum is added, stirs evenly, so
After be slowly added to 20 parts of diethylenetriamines, be warming up to 55 DEG C, react 30min, then be warming up to 75 DEG C, react 4H, after reaction
With suction filtration, acetone dehydration after salt pickling, washing, adjusting PH to neutrality, it is dried in vacuo in 35 DEG C；
Step E: step D products therefrom being added in 200 parts of methanol, is stirred evenly, and it is molten to add 80 part of 40% sodium hydroxide
35 parts of carbon disulfide, 72 parts of ethyl alcohol are added after reaction 2 hours in liquid, react 30min, then heat to 45 DEG C, react 16H, then
It is warming up to 50 DEG C, reacts 2H, it is finally cooling, ethyl alcohol is washed, salt pickling, caustic washing, washing, acetone dehydration, it is true then at 35 DEG C
Sky is dry, obtains modification of chitosan.
Sig water is calcium hydroxide solution.
Modified montmorillonite used preparation process is as follows:
Montmorillonite: being first made 1% water slurry suspension, adds calgon by S1, is then dispersed by high speed disperser
2H；
S2: at normal temperatures and pressures by NaOH solution and A1Cl3Solution by weight 1: 1 mixes, and is aged 2 days, obtains after mixing evenly
To aluminum crosslinker；
S3: by aluminum crosslinker and montmorillonite, montmorillonite suspension by 1: 1: 3 mixing, 2H is stirred evenly, then stand 1H, finally dried
It is dry obtain it is modified montmorillonite used.
The preparation process of plant powder is as follows:
First peanut shell, rice husk and corn stem are cleaned, then is placed in baking oven and dries, temperature is 62 DEG C, after being cooled to room temperature
It is crushed for pulverizer, is filtered by 1mm nylon mesh, respective powder is obtained, finally by peanut shell, rice husk and corn stem
Powder the ratio between by weight 2: 1: 1 is matched, and plant powder is obtained.
Embodiment five:
Heavy metal chelating agent includes plant powder, plant powder, modified montmorillonite used and modification of chitosan weight in embodiment one
The ratio between part is 0.5: 1: 1.
The preparation process of modification of chitosan is as follows:
Step A: being first added to stirring and dissolving in excessive acetic acid for 40 parts of chitosans, then adjusts pH value to neutrality, is subsequently added into 17
Part benzaldehyde stirs 27H, is cleaned after suction filtration with dehydrated alcohol, be finally dried in vacuo, temperature is 40 DEG C；
Step B: step A products therefrom, 110 parts of sig waters, 5 parts of epoxychloropropane are put into agitator tank, after mixing evenly
32 DEG C are warming up to, 12 parts of sig waters are added, reacts 18H, pH value is finally adjusted to neutrality, filters, washes and is true at 35 DEG C
Sky is dry；
Step C: step B products therefrom is added in 53 parts of epoxychloropropane, is stirring evenly and then adding into 1.5 parts of perchloric acid, then
80 DEG C are warming up to, 18H is reacted, finally cooling, suction filtration, washing, ethyl alcohol is washed, methanol is washed, acetone is dehydrated, and vacuum is dry at 35 DEG C
It is dry；
Step D: step C products therefrom is added in 175 parts of deionized waters, 2 parts of natrium carbonicum calcinatums is added, stirs evenly, so
After be slowly added to 22 parts of diethylenetriamines, be warming up to 60 DEG C, react 30min, then be warming up to 80 DEG C, react 4H, after reaction
With suction filtration, acetone dehydration after salt pickling, washing, adjusting PH to neutrality, it is dried in vacuo in 35 DEG C；
Step E: step D products therefrom being added in 230 parts of methanol, is stirred evenly, and it is molten to add 85 part of 40% sodium hydroxide
37 parts of carbon disulfide, 76 parts of ethyl alcohol are added after reaction 2 hours in liquid, react 30min, then heat to 45 DEG C, react 16H, then
It is warming up to 50 DEG C, reacts 2H, it is finally cooling, ethyl alcohol is washed, salt pickling, caustic washing, washing, acetone dehydration, it is true then at 35 DEG C
Sky is dry, obtains modification of chitosan.
Sig water is calcium hydroxide solution.
Modified montmorillonite used preparation process is as follows:
Montmorillonite: being first made 1% water slurry suspension, adds calgon by S1, is then dispersed by high speed disperser
2H；
S2: at normal temperatures and pressures by NaOH solution and AlCl3Solution by weight 1: 1 mixes, and is aged 2 days, obtains after mixing evenly
To aluminum crosslinker；
S3: by aluminum crosslinker and montmorillonite, montmorillonite suspension by 1: 1: 3 mixing, 2H is stirred evenly, then stand 1H, finally dried
It is dry obtain it is modified montmorillonite used.
The preparation process of plant powder is as follows:
First peanut shell, rice husk and corn stem are cleaned, then is placed in baking oven and dries, temperature is 64 DEG C, after being cooled to room temperature
It is crushed for pulverizer, is filtered by 1mm nylon mesh, respective powder is obtained, finally by peanut shell, rice husk and corn stem
Powder the ratio between by weight 2: 1: 1 is matched, and plant powder is obtained.
Embodiment six:
Unlike embodiment five, heavy metal chelating agent does not include plant powder.
Embodiment seven:
Unlike embodiment five, heavy metal chelating agent does not include modified montmorillonite used.
Embodiment eight:
Unlike embodiment five, the non-modified processing of montmorillonite in heavy metal chelating agent.
Embodiment nine:
Unlike embodiment five, heavy metal chelating agent does not include plant powder and modified montmorillonite used.
Comparative example one:
Unlike embodiment five, the preparation process of modification of chitosan removes step A.
Embodiment three is tested to embodiment nine and one gained heavy metal chelating agent treatment effect of comparative example:
One, by Pb (NO3)2、Zn(NO3)2·6H2O、Cu(NO3)2·3H2O、Cd(NO3)2·4H2O、Ni(NO3)2·6H2O difference
It is configured to the heavy metal ion standard solution of 1000mg/L；
Two, all kinds of heavy metal ion standard solution 300ml are measured respectively, are placed in conical flask, with dilute hydrochloric acid and sodium hydroxide tune
PH value is saved to 6, then weighs 2g heavy metal chelating agent investment wherein, stirs evenly, stands 30min；
Three, supernatant liquor is filtered, detects residual concentration of heavy metal ion with atomic absorption spectrophotometer, acquired results are converted into
Removal rate is shown in Table 1, removal rate=(1000mg/L- remains concentration of heavy metal ion)/1000mg/L.
Table 1
| Pb removal rate (%) | Zn removal rate (%) | Cu removal rate (%) | Cd removal rate (%) | Ni removal rate (%) | |
| Embodiment three | 99.7 | 100 | 99.9 | 100 | 99.8 |
| Example IV | 99.9 | 100 | 100 | 100 | 100 |
| Embodiment five | 99.8 | 100 | 99.9 | 100 | 100 |
| Embodiment six | 99.7 | 99.9 | 99.8 | 100 | 99.8 |
| Embodiment six | 97.6 | 98.7 | 97.1 | 96.2 | 96.5 |
| Embodiment seven | 98.4 | 99.1 | 99.3 | 98.7 | 98.9 |
| Embodiment eight | 98.6 | 99.5 | 99.4 | 99.2 | 99.7 |
| Embodiment nine | 97.3 | 98.3 | 97.2 | 96.5 | 96.1 |
| Comparative example one | 83.5 | 82.1 | 93.2 | 80.7 | 78.5 |
This specific embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art exist
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in the present invention
Scope of the claims in all by the protection of Patent Law.
Claims (10)
1. a kind of municipal wastewater processing unit, including reaction tank (1), it is characterised in that: connection at the upper side of the reaction tank (1)
There are water inlet pipe (3), lower section side to be connected with outlet pipe (4), the water inlet pipe (3) is connected with intake pump (5), the outlet pipe
(4) it is connected with water outlet pump (6), reaction tank (1) bottom is tapered and is connected with filter press (8) by sludge pipe (7), described
It is connected with sludge pump (9) in the middle part of sludge pipe (7), filter press (8) water outlet is connected by return pipe (10) and reaction tank (1)
It connects, is connected with reflux pump (11) in the middle part of the return pipe (10), is fixedly connected in the reaction tank (1) by fixed frame (13)
Blender (12), reaction tank (1) the inner wall upside are provided with cast feeder (2), and the cast feeder (2) is provided with heavy metals trapping
Agent.
2. a kind of municipal wastewater processing unit according to claim 1, it is characterised in that: the heavy metal chelating agent is powder
Last shape, the cast feeder (2) include aggregate bin (21), and opening is provided with top cover (22), downside on the upside of the aggregate bin (21)
Opening is connected with sub-material channel (23), and the sub-material channel (23) includes the fixation channel being fixedly connected with aggregate bin (21)
(231), the fixed channel (231) is provided with active tunnel (232), the active tunnel away from the side of aggregate bin (21)
(232) inside is fixedly connected with the guiding annular slab (233) being close to fixed channel (231) inner wall, the active tunnel (232)
Activity is equipped with the adjusting bolt (24) being threadedly coupled with fixed channel (231), the fixed channel (231) and active tunnel
(232) be respectively arranged with the upper slide opening (2311) and lower slide opening (2321) being connected to its inner cavity, the upper slide opening (2311) and under
Sub-material piece (25) and baffle (26), the cavity between the sub-material piece (25) and baffle (26) are respectively arranged at slide opening (2321)
For quantitative chamber (234), the sub-material piece (25) is provided with the feed opening (251) that can be connected to fixed channel (231) inner cavity.
3. a kind of municipal wastewater processing unit according to claim 2, it is characterised in that: the active tunnel (232) is outside
Side is fixedly connected with the positioning annular slab (235) being close to fixed channel (231) outer wall, fixed channel (231) one side wall
Graduation mark (2312) are vertically arranged with along it.
4. a kind of municipal wastewater processing unit according to claim 2, it is characterised in that: the sub-material piece (25) is in upper cunning
Hole (2311) two sides are fixedly connected to limit plate (252), wherein a limit plate (252) is close to fixed channel (231)
When feed opening (251) when being close to fixed channel (231) inner cavity connection, another limit plate (252) with fixation channel (231)
Feed opening (251) and fixed channel (231) dislocation, baffle (26) side is fixedly connected with wide plate (261).
5. a kind of municipal wastewater processing unit according to claim 2, it is characterised in that: the sub-material piece (25) and baffle
(26) it is respectively connected with driving cylinder (27).
6. a kind of municipal wastewater processing unit according to claim 1, it is characterised in that: the system of the heavy metal chelating agent
Standby process is as follows:
Step A: being first added to stirring and dissolving in excessive acetic acid for 30-50 parts of chitosans, then adjusts pH value to neutrality, is subsequently added into
15-20 parts of benzaldehydes stir 25-30H, are cleaned after suction filtration with dehydrated alcohol, be finally dried in vacuo, temperature is 40 DEG C；
Step B: step A products therefrom, 100-120 parts of sig waters, 4-6 parts of epoxychloropropane are put into agitator tank, stirring
It is warming up to 30-35 DEG C after uniformly, adds 10-15 parts of sig waters, reacts 15-20H, pH value is finally adjusted to neutrality, filters, water
It washes and is dried in vacuo at 35 DEG C；
Step C: step B products therefrom is added in 52-56 parts of epoxychloropropane, is stirring evenly and then adding into 1-2 parts of perchloric acid,
It is warming up to 75-85 DEG C again, reacts 15-20H, finally cooling, suction filtration, washing, ethyl alcohol is washed, methanol is washed, acetone is dehydrated, then at 35 DEG C
Lower vacuum drying；
Step D: step C products therefrom is added in 150-200 parts of deionized waters, adds 1-3 parts of natrium carbonicum calcinatums, and stirring is equal
It is even, 20-25 parts of diethylenetriamines are then slowly added into, are warming up to 55-65 DEG C, react 30min, then be warming up to 75-85 DEG C, are reacted
4H is dried in vacuo after reaction with suction filtration, acetone dehydration after salt pickling, washing, adjusting PH to neutrality in 35 DEG C；
Step E: step D products therefrom being added in 200-250 parts of methanol, is stirred evenly, and adds 40% hydrogen-oxygen of 80-90 part
Change sodium solution and 35-40 parts of carbon disulfide, 72-80 parts of ethyl alcohol are added after reaction 2 hours, reacts 30min, then heat to 45
DEG C, 16H is reacted, then is warming up to 50 DEG C, reacts 2H, it is finally cooling, ethyl alcohol is washed, salt pickling, caustic washing, washing, acetone are de-
Water is dried in vacuo then at 35 DEG C, obtains modification of chitosan.
7. a kind of municipal wastewater processing unit according to claim 6, it is characterised in that: the heavy metal chelating agent also wraps
Include modified montmorillonite used, the weight ratio of the modified montmorillonite used and modification of chitosan is 1:1.
8. a kind of municipal wastewater processing unit according to claim 7, it is characterised in that: described modified montmorillonite used de- by covering
Stone is modified through aluminum crosslinker and obtains.
9. a kind of municipal wastewater processing unit according to claim 7, it is characterised in that: the heavy metal chelating agent also wraps
Plant powder is included, the plant powder, modified montmorillonite used and modification of chitosan weight ratio are 0.5:1:1, the plant
The preparation process of pulvis is as follows: first peanut shell, rice husk and corn stem cleaned, then is placed in baking oven and dries, temperature 62-
It 65 DEG C, is crushed after being cooled to room temperature for pulverizer, is filtered by 1mm nylon mesh, respective powder is obtained, finally by peanut
The powder of shell, rice husk and corn stem the ratio between by weight 2:1:1 is matched, and plant powder is obtained.
10. a kind of application method of municipal wastewater processing unit according to claim 2, which is characterized in that including as follows
Step:
Step 1: sewage is evacuated in reaction tank (1) using intake pump (5) until full at water inlet pipe (3)；
Step 2: first adjusting the pH value of sewage to 4.5-7, then baffle (26) are pulled, so that the heavy metal in quantitative chamber (234) is caught
Collect in agent investment sewage, is subsequently added into flocculant, stands 25-30min；
Step 3: the heavy metal precipitation of reaction tank (1) bottom is evacuated in filter press (8) by sludge pump (9), then pass through water outlet
It pumps (6), by treated in reaction tank (1), sewage is taken away；
Step 4: filter press (8) works, the moisture contained in heavy metal precipitation is squeezed out, and is back in reaction tank (1), with
Next group sewage is handled together, and the precipitating discharge after filters pressing, carries out landfill disposal.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368755A (en) * | 2018-12-24 | 2019-02-22 | 双峰县九峰农机制造科技有限公司 | A kind of cooling cistern structure convenient for rapid pollution discharging and addition medicament |
| CN110066002A (en) * | 2019-06-11 | 2019-07-30 | 马鞍山市众意机械制造有限公司 | A kind of factory's sewage treatment equipment |
| CN110470568A (en) * | 2019-09-28 | 2019-11-19 | 绍兴索顿电子科技有限公司 | A kind of automatic measuring equipment of sulfate liquor concentration |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010017652A1 (en) * | 2008-08-11 | 2010-02-18 | Hernandez Pavez Jose Octavio | Process and system for separation, recycling and sustainable environmental stabilisation of acid effluents with arsenic (as) and/or heavy metals which form insoluble sulphides |
| CN102504312A (en) * | 2011-11-07 | 2012-06-20 | 上海同纳环保科技有限公司 | Method for preparing di-dithiocarbamate modified chitosan beads |
| CN103263895A (en) * | 2013-05-20 | 2013-08-28 | 浙江工商大学 | Preparation method of modified magnetic chitosan microsphere heavy metal ion adsorbent |
| CN103771631A (en) * | 2014-02-24 | 2014-05-07 | 杭州双博环保科技有限公司 | Process for treating and recycling alkaline wastewater containing zinc and chromium ions |
| CN204037932U (en) * | 2014-08-07 | 2014-12-24 | 福建森宝食品集团股份有限公司 | A kind of feed one package structual |
-
2018
- 2018-08-16 CN CN201810963476.3A patent/CN109019817A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010017652A1 (en) * | 2008-08-11 | 2010-02-18 | Hernandez Pavez Jose Octavio | Process and system for separation, recycling and sustainable environmental stabilisation of acid effluents with arsenic (as) and/or heavy metals which form insoluble sulphides |
| CN102504312A (en) * | 2011-11-07 | 2012-06-20 | 上海同纳环保科技有限公司 | Method for preparing di-dithiocarbamate modified chitosan beads |
| CN103263895A (en) * | 2013-05-20 | 2013-08-28 | 浙江工商大学 | Preparation method of modified magnetic chitosan microsphere heavy metal ion adsorbent |
| CN103771631A (en) * | 2014-02-24 | 2014-05-07 | 杭州双博环保科技有限公司 | Process for treating and recycling alkaline wastewater containing zinc and chromium ions |
| CN204037932U (en) * | 2014-08-07 | 2014-12-24 | 福建森宝食品集团股份有限公司 | A kind of feed one package structual |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368755A (en) * | 2018-12-24 | 2019-02-22 | 双峰县九峰农机制造科技有限公司 | A kind of cooling cistern structure convenient for rapid pollution discharging and addition medicament |
| CN109368755B (en) * | 2018-12-24 | 2021-08-03 | 双峰县九峰农机制造科技有限公司 | Cooling water tank structure convenient to blowdown fast and add medicament |
| CN110066002A (en) * | 2019-06-11 | 2019-07-30 | 马鞍山市众意机械制造有限公司 | A kind of factory's sewage treatment equipment |
| CN110470568A (en) * | 2019-09-28 | 2019-11-19 | 绍兴索顿电子科技有限公司 | A kind of automatic measuring equipment of sulfate liquor concentration |
| CN110470568B (en) * | 2019-09-28 | 2020-06-26 | 曾辉煌 | Automatic measuring equipment for concentration of sulfate solution |
| CN110734329A (en) * | 2019-10-10 | 2020-01-31 | 浙江海洋大学 | method for preparing liquid protein fertilizer by using mussel cooking liquor |
| CN111842432A (en) * | 2020-07-28 | 2020-10-30 | 神州节能科技集团有限公司 | Condensate treatment method and device |
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Application publication date: 20181218 |