CN105481082B - A kind of lead plating waste water water cleaning systems and process for purifying water - Google Patents
A kind of lead plating waste water water cleaning systems and process for purifying water Download PDFInfo
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- CN105481082B CN105481082B CN201610026025.8A CN201610026025A CN105481082B CN 105481082 B CN105481082 B CN 105481082B CN 201610026025 A CN201610026025 A CN 201610026025A CN 105481082 B CN105481082 B CN 105481082B
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- water
- electrode layer
- granule electrode
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- resin
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of lead plating waste water water cleaning systems and process for purifying water.The negative electrode being made up of titanium net is placed inside the resin type granule electrode layer of lead plating waste water water cleaning systems, place the anode being made up of stainless steel plate in outside, anode and cathode is connected with the negative pole and positive pole of external power respectively, the absorbent-type biological filter bed of material is located at the top of resin type granule electrode layer, lower section installation aerator, back purge system and the reflux of resin type granule electrode layer.The process for purifying water of the present invention, comprises the following steps：(1) sewage enters above the absorbent-type biological filter bed of material；(2) sewage mixes (3) microbiological treatment and physical filtering with recirculation water；(4) resin type granule electrode layer is handled；(5) water section discharge, partial reflux are handled.The water cleaning systems of the present invention first with the refractory organic in resin type granule electrode catalysis oxidation lead plating waste water, improve lead plating wastewater biodegradability, then are discharged after microbiological treatment, solve the intractable problem of lead plating waste water.
Description
Technical field
The invention belongs to technical field of waste water processing, more particularly to a kind of lead plating waste water water purification available for wastewater treatment
System and process for purifying water.
Background technology
Though lead plating technique, because the toxicity of lead is without being widely used, the special performance of lead makes many products still right
Lead plating is in need.Lead plating waste water is the composite waste containing lead ion and partial organic substances, will be to natural, ecological ring if arbitrarily discharge
Border and human health form serious potential risk.Animals and plants are had strong poison by a large amount of lead ions contained in lead plating waste water
Property, it is directly discharged in environment, not only ecological environment can be caused to be difficult to the pollution repaired, and noxious material can passes through food
The enrichment of chain, gradually produces harm to the health of people, lead and its compound enter after body will to nerve, hematopoiesis, digestion,
Multiple systems such as kidney, angiocarpy and endocrine are damaged, and lead poisoning can be caused if too high levels.
With the use of a large amount of hardly degraded organic substances in the increase of lead plating complex process degree and lead plating technique, cause to plate
The intractability of lead waste water is also increasing, and traditional sewage water treatment method is difficult to effectively handle it.Along with
The wastewater discharge standard of correlation improve constantly, most of existing lead plating waste water treatment process can not smoothly make its row up to standard
Put.Therefore existing lead plating waste water treatment process is upgraded and has arrived the imperative stage.
The present invention improves waste water BOD/COD value, makes most of difficult biology drop by resin type granule electrode treatment technology
The pollutant of solution can be converted into the material easily decomposed by microbiological oxidation, carry out biology by the absorbent-type biological filter bed of material afterwards
Processing, reach the purpose of enhancing treatment effect, so as to improve the removal efficiency of dirty pollutant in water, reduce equipment investment, account for
Ground area is small, is easy to install on the spot.
The content of the invention
It is an object of the invention to solve the problems, such as that existing waste water treatment process is bad to lead plating water treatment effect, there is provided
A kind of lead plating waste water water cleaning systems and process for purifying water.
To solve the above problems, a kind of lead plating waste water water cleaning systems of the present invention include：The absorbent-type biological filter bed of material, resin type
Granule electrode layer, stainless steel plate, titanium net, air compressor, foul water tank；Resin type granule electrode layer, born after filling pretreatment
Fe is carried3+Strongly acidic cation-exchange, and the negative electrode that is made up of titanium net is placed inside resin, is placed outside resin
The anode being made up of stainless steel plate, anode and negative electrode are connected with the positive pole and negative pole of additional power source respectively；Absorbent-type biological filter
The bed of material is located at the top of resin type granule electrode layer, absorbent-type biological filter bed of material filling zeolite；Resin type granule electrode layer, absorption
The series connection of the type biological filter bed of material is combined in a reactor from the bottom to top, reactor generally cylindrical type.
Described resin type granule electrode layer, filling pre-process back loading Fe3+Strongly acidic cation-exchange, and
The negative electrode being made up of titanium net is placed inside resin, the anode being made up of stainless steel plate, anode and the moon are placed outside resin
Pole is connected with the positive pole and negative pole of additional power source respectively, is realized on the basis of external electric field to lead plating heavy metals ion exchange
And electrocatalytic oxidation organic matter, the purpose for improving wastewater biodegradability；Strongly acidic cation-exchange, negative electrode and anode three
Part collectively constitutes resin type granule electrode layer；The absorbent-type biological filter bed of material is located at the top of resin type granule electrode layer, absorption
The type biological filter bed of material fills zeolite, and zeolite surface has the microbiologic population of degraded resistance to poison, so as to improve at lead plating waste water
Manage efficiency；Water after the processing of resin type granule electrode layer enters the absorbent-type biological filter bed of material after being mixed with sewage, by microorganism
Handled.
Described resin type granule electrode layer dress fills pretreatment back loading Fe3+Strongly acidic cation-exchange, it is high
300mm is spent, the preprocess method of wherein cationic ion-exchange resin is as follows：First by common strongly acidic cation-exchange spend from
Sub- water cleaning, is then cleaned three to four times with acetone, then is cleaned with deionized water, reaches deimpurity purpose, afterwards will be clear
Washed strongly acidic cation-exchange is with resin volume：Liquor capacity is 1：10 ratio is put into FeCl3Soaked in solution
24 hours, to reach load Fe3+Purpose, finally having loaded Fe3+The strongly acidic cation-exchange of ion is from FeCl3It is molten
Taken out in liquid, drying in the environment that temperature is 373K is put into after being cleaned again with deionized water can complete to cation exchange tree
The pretreatment of fat.Absorbent-type biological filter bed of material dress fills 3-5mm zeolites, height 700mm, resin type granule electrode layer and absorbent-type life
Thing filter material layer diameter is identical.
Described resin type granule electrode layer bottom be provided with aeration plate, aeration tube, backwash water inlet pipe, air compressor and
Aeration tube is connected, and backwash pump is connected with backwash water inlet pipe, and aeration plate is arranged on aeration tube, equipped with backflow on return duct
Pump, so as to realize new lead plating wastewater treatment equipment aeration, water distribution and backwashing function.
It is a kind of using a kind of lead plating waste water process for purifying water described above, comprise the following steps：First, the sewage in foul water tank
By measuring pump-metered, into absorbent-type biological filter bed of material top；2nd, compressed air is passed through to aeration plate, controls air water volume
Than for 4：1 to 2：1, resin type granule electrode layer and the absorbent-type biological filter bed of material are aerated；3rd, sewage mixes with recirculation water
The absorbent-type biological filter bed of material is flowed into afterwards；4th, the stainless steel plate and resin type granule electrode outside resin type granule electrode layer
Titanium net inside layer is connected by anode line, cathode line with the positive pole and negative pole of dc source, is carried for resin type granule electrode layer
For required electric field；5th, sewage enters resin type granule electrode layer by titanium net；6th, after the processing of resin type granule electrode layer
A water part discharged through outlet pipe, a part be back in the presence of reflux pump through return duct into Shui Chu；7th, one section is run
Lead plating waste water water cleaning systems are backwashed after time, first air purge 3 minutes, then washing and air purge 5 minutes simultaneously, then washed
8 minutes.
Beneficial effects of the present invention：Waste water BOD/COD value is improved in the presence of resin type granule electrode, increasing it can
Biochemical, the pollutant in waste water is then removed by biological treatment, so as to improve the clearance of lead plating waste water COD, and can
Effectively to remove the heavy metal in waste water.
Brief description of the drawings
Fig. 1 is a kind of lead plating waste water water cleaning systems schematic diagram of the present invention, is described further with reference to this figure.
Accompanying drawing 1 is schematic flow sheet of the invention.
In Fig. 1：1 dc source;2 anode lines;3 cathode lines;4 resin type granule electrode layers;5 absorbent-types biology
Filter material layer;6 backwash water inlet pipes；7 air compressors；8 backwash water inlets；9 backwash pumps；10 water inlet meterings
Pump；11 water inlet peristaltic pumps；12 aeration tubes；13 outlet pipes；14 water intakings（Material）Sample mouth；15 foul water tanks；16 is stainless
Steel orifice electrode；17 titanium nets；18 aeration plates；19 sewage pipes；20 overflow pipes；21 reflux pumps；22 return ducts；
23 plastics orifice plates.
Embodiment
Embodiment one：
Accompanying drawing is a kind of specific embodiment of the invention, and the sewage that the embodiment is included in foul water tank 15 passes through Sewage metering
Pump 10 reaches the top of the absorbent-type biological filter bed of material 5 through sewage pipe 19, and sewage enters in the absorbent-type biological filter bed of material 5, and sewage is through inhaling
The attached type biological filter bed of material 5 is entered in resin type granule electrode layer 4 after handling by plastics orifice plate 23, resin type granule electrode layer 4
There is a dc source 1 outside, dc source 1 by cathode line 3, anode line 2 respectively with the titanium net inside resin type granule electrode layer 4
17th, the stainless steel plate electrode 18 outside resin type granule electrode layer 4 connects, and is produced in strongly acidic cation-exchange region
Electric field, resin particle is set to form resin type granule electrode, the water treated through resin type granule electrode layer 4 is through the row of outlet pipe 13
Go out, part handles water and is back into water in the presence of reflux pump 23 through return duct 22, and the bottom of resin type granule electrode layer 4 is set
There are aeration plate 18, aeration tube 12, aeration plate 18 is connected by aeration tube 12 with air compressor 7, is formed aerating system, is resin
Oxygen needed for type granule electrode and microorganism offer, backwash water inlet pipe 6 is connected with backwash pump 9, in adsorptivity biological filter
Outside be vertically equally spaced of material has water intaking（Material）Sample mouth 15, to observe 5 different positions of the absorbent-type biological filter bed of material at any time
Put the change of water quality.
Sewage in foul water tank 15 is flowed on the absorbent-type biological filter bed of material 5 by Sewage metering pump 10 through sewage pipe 19
Portion, into the absorbent-type biological filter bed of material 5, enter tree by plastics orifice plate 23 through the water that the absorbent-type biological filter bed of material 5 treats
In epoxy-type granule electrode layer 4, the filler used in resin type granule electrode layer is that the strong-acid type cation by pretreatment exchanges tree
Fat, high 0.3 meter, processing water is discharged through outlet pipe 13, and part processing water is back into Shui Chu, water damage through return duct 22 and increases to one
Determine after degree, it is necessary to backwashed to new lead plating wastewater treatment equipment, first stop during backwash after sewage flows into, by air
Compressor 7 carries out air purge, then opens backwash pump 9 and pressurizes to the progress air water joint punching of new lead plating wastewater treatment equipment
Wash, close air compressor 7 afterwards, then pressurizeed with backwash pump 9 and new lead plating wastewater treatment equipment is washed, recoil
The water washed is discharged through overflow pipe 20.
Comprised the following steps using a kind of above-mentioned lead plating waste water process for purifying water：（1）Water inlet hydraulic load is 6m3/m2H, warp
Cross measuring pump 10 to measure, into the top of the absorbent-type biological filter bed of material 5；（2）Compressed air is passed through to aeration plate 18, controls carbonated drink body
Product is than being 4：1 to 2：1, resin type granule electrode layer 4 and the absorbent-type biological filter bed of material 5 are aerated；（3）Sewage and recirculation water
The absorbent-type biological filter bed of material 5 is flowed into after mixing；（4）In the stainless steel plate electrode 16 in the outside of resin type granule electrode layer 4 and interior
The titanium net 17 of side is connected by anode line 2, cathode line 3 with the positive pole and negative pole of dc source 1, is resin type granule electrode layer 4
Electric field needed for providing；（5）Sewage enters resin type granule electrode layer 4 by plastics orifice plate 23；（6）Through resin type granule electrode
Layer 4 processing after a water part discharged through outlet pipe 13, a part in the presence of reflux pump 21 through return duct 22 be back into
At water；（7）Operation a period of time after lead plating waste water water cleaning systems are backwashed, first air purge 3 minutes, then simultaneously washing and
Air purge 5 minutes, then wash 8 minutes.
Embodiment two：
The lead plating waste water water cleaning systems of this specific embodiment are identical with the lead plating waste water water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of the process for purifying water of specific embodiment one：The air water volume ratio of aeration is 3:1.
Embodiment three：
The lead plating waste water water cleaning systems of this specific embodiment are identical with the lead plating waste water water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of the process for purifying water of specific embodiment one：The air water volume ratio of aeration is 2:1.
Claims (4)
1. a kind of lead plating waste water water cleaning systems, system includes resin type granule electrode layer（4）, the absorbent-type biological filter bed of material（5）, no
Become rusty steel orifice plate（16）, titanium net（17）, air compressor（7）, foul water tank（15）；Resin type granule electrode layer（4）Filling pretreatment
Back loading Fe3+Strongly acidic cation-exchange, and in resin type granule electrode layer（4）Place by titanium net inside（17）Structure
Into negative electrode, outside resin place by stainless steel plate（16）The anode of composition, anode and negative electrode respectively with additional power source（1）
Positive pole be connected with negative pole；The absorbent-type biological filter bed of material（5）Positioned at resin type granule electrode layer（4）Top, absorbent-type biology
Filter material layer（5）It is filled with zeolite；Resin type granule electrode layer（4）, the absorbent-type biological filter bed of material（5）Series connection is combined from the bottom to top
In one reactor；The process for purifying water of system is：First, foul water tank（15）Interior sewage passes through measuring pump（10）Metering, into suction
The attached type biological filter bed of material（5）Top；2nd, to positioned at resin type granule electrode layer（4）The aeration plate of bottom（18）It is empty to be passed through compression
Gas, it is 4 to control air water volume ratio：1 to 2：1, to resin type granule electrode layer（4）With the absorbent-type biological filter bed of material（5）Exposed
Gas；3rd, the absorbent-type biological filter bed of material is flowed into after sewage mixes with recirculation water（5）；4th, in resin type granule electrode layer（4）It is outside
Stainless steel plate（16）With resin type granule electrode layer（4）Internal titanium net（17）Pass through anode line（2）, cathode line（3）With
Dc source（1）Positive pole be connected with negative pole, be resin type granule electrode layer（4）Electric field needed for providing；5th, sewage passes through titanium
Net（17）Into resin type granule electrode layer（4）；6th, through resin type granule electrode layer（4）A water part after processing is through water outlet
Pipe（13）Discharge, a part is in reflux pump（21）In the presence of through return duct（22）It is back into Shui Chu；7th, operation a period of time
Lead plating waste water water cleaning systems are backwashed afterwards, first air purge 3 minutes, then washing and air purge 5 minutes simultaneously, then wash 8 points
Clock.
2. the lead plating waste water water cleaning systems described in claim 1, it is characterised in that：The absorbent-type biological filter bed of material（5）The boiling of filling
Stone surface has the microbiologic population of degraded resistance to poison, so as to improve electroplating wastewater processing efficiency.
3. the lead plating waste water water cleaning systems described in claim 1, it is characterised in that：Resin type granule electrode layer（4）Bottom is provided with
Aeration plate（18）, aeration tube（12）, backwash water inlet pipe（6）, air compressor（7）And aeration tube（12）Connection, backwashing water
Pump（9）With backwash water inlet pipe（6）Connection, so as to realize new lead plating wastewater treatment equipment aeration, water distribution and backwash work(
Energy.
4. the cation that resin type granule electrode layer is filled in a kind of lead plating waste water water cleaning systems using described in claim 1 is handed over
Change the preprocess method of resin, it is characterised in that：Resin type granule electrode layer（4）Used resin is by common strong-acid type sun
What ion exchange resin obtained after pretreatment, preprocess method is as follows, first spends common strongly acidic cation-exchange
Ionized water cleans, and is then cleaned three to four times with acetone, then is cleaned with deionized water, reaches deimpurity purpose, afterwards will
Cleaned strongly acidic cation-exchange is with resin volume：Liquor capacity is 1：10 ratio is put into FeCl3Soaked in solution
Bubble 24 hours, to reach load Fe3+Purpose, finally having loaded Fe3+The strongly acidic cation-exchange of ion is from FeCl3
Taken out in solution, the pre- place dried and can completed to resin in the environment that temperature is 373K is put into after being cleaned again with deionized water
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026025.8A CN105481082B (en) | 2016-01-15 | 2016-01-15 | A kind of lead plating waste water water cleaning systems and process for purifying water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026025.8A CN105481082B (en) | 2016-01-15 | 2016-01-15 | A kind of lead plating waste water water cleaning systems and process for purifying water |
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| Publication Number | Publication Date |
|---|---|
| CN105481082A CN105481082A (en) | 2016-04-13 |
| CN105481082B true CN105481082B (en) | 2018-02-06 |
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| CN201610026025.8A Expired - Fee Related CN105481082B (en) | 2016-01-15 | 2016-01-15 | A kind of lead plating waste water water cleaning systems and process for purifying water |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882018A (en) * | 1987-03-20 | 1989-11-21 | General Motors Corporation | Electrolytic demetallization of dilute solutions using ion exchange resins |
| JPH036231B2 (en) * | 1987-11-19 | 1991-01-29 | Japan Carlit Co Ltd | |
| JPH036995B2 (en) * | 1987-11-04 | 1991-01-31 | Japan Carlit Co Ltd | |
| CN104118931A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A novel electric-biology coupled water purification system and a water purification method |
| CN104118933A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A three-dimensional electric-biology-coupled water purification system and a water purification method |
| CN204111399U (en) * | 2014-07-03 | 2015-01-21 | 济南大学 | A kind of air water anisotropic flow magnetic biofiltration reactor |
-
2016
- 2016-01-15 CN CN201610026025.8A patent/CN105481082B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882018A (en) * | 1987-03-20 | 1989-11-21 | General Motors Corporation | Electrolytic demetallization of dilute solutions using ion exchange resins |
| JPH036995B2 (en) * | 1987-11-04 | 1991-01-31 | Japan Carlit Co Ltd | |
| JPH036231B2 (en) * | 1987-11-19 | 1991-01-29 | Japan Carlit Co Ltd | |
| CN104118931A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A novel electric-biology coupled water purification system and a water purification method |
| CN104118933A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A three-dimensional electric-biology-coupled water purification system and a water purification method |
| CN204111399U (en) * | 2014-07-03 | 2015-01-21 | 济南大学 | A kind of air water anisotropic flow magnetic biofiltration reactor |
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| Publication number | Publication date |
|---|---|
| CN105481082A (en) | 2016-04-13 |
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