CN105110427B - A kind of compound micro-electrolysis stuffing and preparation method and application - Google Patents
A kind of compound micro-electrolysis stuffing and preparation method and application Download PDFInfo
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 61
- 150000001875 compounds Chemical class 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims description 20
- 239000011265 semifinished product Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 230000032683 aging Effects 0.000 claims description 6
- 230000003064 anti-oxidating effect Effects 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010842 industrial wastewater Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 20
- 238000004065 wastewater treatment Methods 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- -1 iron ion Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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Abstract
The invention discloses a kind of compound micro-electrolysis stuffing and preparation method and application, belong to field of waste water treatment.The micro-electrolysis stuffing is prepared by raw materials such as iron powder, active powdered carbon, dispersant, binding agent, catalyst.The micro-electrolysis stuffing is used in wastewater treatment, can solve the problem that traditional micro-electrolysis stuffing is easily hardened, the problem of being easily passivated, wastewater biodegradability can be significantly improved, improve waste water treatment efficiency.
Description
Technical field：
The present invention relates to a kind of micro-electrolysis stuffing and preparation method and application, more particularly to a kind of compound light electrolysis to fill out
Material and preparation method and application, belongs to field of waste water treatment.
Background technology：
Micro electrolysis tech is mainly used in the pretreatment and advanced treatment process of industrial wastewater and sanitary sewage, and it reacts speed
Rate is fast, and operational administrative is simple, and operating cost is low, is the first choice of many sewage plant handling process.Its main operation principle is profit
Potential difference is produced with the micro-electrolysis material being filled in waste water itself, electrolysis processing is carried out to waste water, just by high molecular complexity
Substance decomposition is small-molecule substance, improves wastewater biodegradability, reaches the purpose of degradation of contaminant.
Light electrolysis can substantially reduce colourity in water, because the ferrous ion that electrode reaction produces nascent state has
Stronger reducing power, the chromophoric group of some organic matters can be made, as nitro-NO2, nitroso-NO are reduced into amido-NH2, two
Valency iron ion can also make some unsaturated chromophoric groups, as carboxyl-COOH, azo group-N=N- double bond open so that
Chromophoric group is destroyed, and colourity is removed,
Current micro electrolysis tech is mostly using the simple mixtures of iron filings and activated carbon as micro-electrolysis material, in reality
In water treatment applications, the filler of the species can form one layer of passivating film after long-play on filler surface, block in water
Contact of the poisonous and harmful substance with filler.Secondly, iron filings filler is easily hardened, forms short stream and channel, hinders waste water
With effectively contacting for filler.In addition, the charcoal that the iron of reaction consumption is continuously replenished and is lost in is needed in running, also to filler
Regularly supplement brings inconvenience with replacing.
Therefore, the improvement of composition of raw materials is carried out to filler to improve its light electrolysis effect, and to filler shape and hole
The improvement of rate is the direction of micro electrolysis tech development to improve its ease of use.
The content of the invention：
The shortcomings that presently, there are for traditional micro-electrolysis stuffing, the invention discloses a kind of compound micro-electrolysis stuffing and its
Preparation method and application, are used it in wastewater treatment, can solve the problem that traditional micro-electrolysis stuffing is easily hardened, the problem of being easily passivated,
Wastewater biodegradability can be significantly improved, improves waste water treatment efficiency.
One of the object of the invention is to disclose a kind of compound micro-electrolysis stuffing, the micro-electrolysis stuffing prepared by following raw material and
Into：
Iron powder, active powdered carbon, dispersant, binding agent, catalyst.
Dispersant wherein described above is Boratex, sodium carbonate, one kind in aluminum oxide or its combination；Described bonding
Agent is sodium metasilicate, clay, one kind in bentonite or its combination；Described catalyst is the combination of copper powder, molybdenum powder and calcium oxide
Thing.
Preferably, the compound micro-electrolysis stuffing is made up of the component of following parts by weight：
Iron powder：30-50 parts；
Active powdered carbon：20-40 parts；
Dispersant：5-20 parts；
Binding agent：1-10 parts；
Catalyst：1-10 parts.
Preferably, the compound micro-electrolysis stuffing is made up of the component of following parts by weight：
Iron powder, 35-45 parts；
Active powdered carbon, 25-35 parts；
Dispersant, 10-15 parts；
Binding agent, 3-7 parts；
Catalyst, 4-8 parts.
Preferably, the compound micro-electrolysis stuffing is made up of the component of following parts by weight：
Iron powder, 42 parts；
Active powdered carbon, 30 parts；
Dispersant, 12 parts；
Binding agent, 5 parts；
Catalyst, 6 parts.
As the most preferably scheme of the present invention, the compound micro-electrolysis stuffing is made up of the component of following parts by weight：
Iron powder, 42 parts；
Active powdered carbon, 30 parts；
Boratex, 6 parts；
Sodium carbonate, 4 parts；
Aluminum oxide, 2 parts；
Sodium metasilicate, 3 parts；
Clay, 1 part；
Bentonite, 1 part；
Copper powder, 3 parts；
Molybdenum powder, 1 part；
Calcium oxide, 2 parts.
The two of the object of the invention are to provide a kind of preparation method of compound micro-electrolysis stuffing, and the preparation method includes following
Step：
1) screening weighs：By the various raw materials such as iron powder, active powdered carbon, dispersant, binding agent, catalyst go after the removal of impurity by
Weighed according to certain mass parts rear standby；
2) mixing ageing：Iron powder after weighing, active powdered carbon, dispersant, binding agent, catalyst raw material are added to mixing
In device, after well mixed plus water stirring ageing 0.5-1.0 hours are standby, and amount of water is the mixture quality 5- after being well mixed
10%；
3) extrusion forming：Raw material after ageing is fitted into roller bearing forcing press, pressing pressure 700-800kg/cm2, compacting
Into major diameter 8-10cm, minor axis 3-5cm oval semi-finished product；
3) medium temperature is dried：Above-mentioned semi-finished product are positioned in baking oven, 80-120 DEG C of drying temperature, after drying 10-20 hours
Obtain drying semi-finished product；
4) high-temperature roasting：Above-mentioned drying semi-finished product are put into high temperature sintering furnace, are filled with the anti-oxidation of nitrogen, gradually heating
To 800-1000 DEG C, sintering time 3-5 hours, obtain sintering semi-finished product；
5) it is cooled and shaped：Above-mentioned semi-finished product are placed less than 200 DEG C are naturally cooled in stove, taking-up is placed on ventilation continuation
Room temperature is cooled to, that is, obtains compound micro-electrolysis stuffing.
The compound micro-electrolysis stuffing prepared through the above method is in porous honeycomb structure, and its internal openings rate is 40-
45%, filler accumulation porosity is 50-60%.
The third object of the present invention is to provide the application of above-mentioned compound micro-electrolysis stuffing in the treatment of waste water, i.e., for work
The microelectrolysis processing of industry waste water and sanitary sewage, wherein the pH value of the industrial wastewater and sanitary sewage is adjusted to 3-5.
Compound micro-electrolysis stuffing of the present invention, its advantage are as follows：
1st, easily hardened filler in traditional light electrolysis waste water treatment process, passivation are solved, loss is serious, changes difficult ask
Topic, it is convenient that filler installs additional, after some cycles are run, need to only add the i.e. sustainable maintenance light electrolysis system operation of filler on a small quantity.
2nd, optimizing raw material formula and proportioning, the micro cell potential difference of formation is big, can continue slowly to produce nascent state
Ferrous ion, the organic matter in effective Decomposition Wastewater, wastewater biodegradability is improved, while reduce chromophoric group, reduce waste water
Colourity.
3rd, a certain proportion of dispersant is added, specific surface area is big, and substantial amounts of microcellular structure, same volume are also formed inside filler
The galvanic cell quantity that product filler is formed is big, and caused micro-current is big, big with waste water area, and treatment effeciency is high.
4th, a certain proportion of binding agent is added, makes various raw materials inter-adhesive into fixation in mixing, extruding, sintering process
Shape, filler have stronger mechanical strength, and filler crushes during avoiding use, block pipeline the problem of.
5th, a certain proportion of catalyst is added, iron-activated carbon-non-ferrous metal multiple catalyzing system is formed, reduces iron carbon
Between contact resistance, increase potential difference, faster, oxidation efficiency is higher for reaction speed.
Embodiment：
The present invention will be further illustrated by specific embodiment below, it will be understood by those skilled in the art that of the invention
Specific embodiment is not limit the invention in any way.Any equivalent substitution each falls within the guarantor of the present invention on the basis of the present invention
Within the scope of shield.
Embodiment 1：The preparation of compound micro-electrolysis stuffing
Screen and weigh iron powder 42kg, active powdered carbon 30kg, Boratex 6kg, sodium carbonate 4kg, aluminum oxide 2kg, sodium metasilicate
3kg, clay 1kg, bentonite 1kg, copper powder 3kg, molybdenum powder 1kg, calcium oxide 2kg, the above raw material after weighing are added to mixing
In device, after adding water 5.5kg, stirring to be aged 1.0 hours after being well mixed, it is fitted into roller bearing forcing press, pressing pressure 700-
800kg/cm2, major diameter 8-10cm is pressed into, is positioned over after minor axis 3-5cm oval semi-finished product in baking oven, drying temperature 80-
120 DEG C, drying is put into high temperature sintering furnace after 16 hours, is filled with the anti-oxidation of nitrogen, is gradually heating to 800-1000 DEG C, sintering
After 5 hours, place and less than 200 DEG C are naturally cooled in stove, taking-up is placed on ventilation and continues cool to room temperature, that is, obtains compound
Micro-electrolysis stuffing.
Embodiment 2：The preparation of compound micro-electrolysis stuffing
Screen and weigh iron powder 42kg, active powdered carbon 30kg, Boratex 6kg, sodium carbonate 6kg, sodium metasilicate 3kg, clay
2kg, copper powder 2kg, molybdenum powder 2kg, calcium oxide 2kg, the above raw material after weighing are added in blender, add water after being well mixed
5.0kg, after stirring is aged 0.5 hour, it is fitted into roller bearing forcing press, pressing pressure 700-800kg/cm2, it is pressed into major diameter 8-
It is positioned over after 10cm, minor axis 3-5cm oval semi-finished product in baking oven, 80-120 DEG C of drying temperature, drying is put into after 12 hours
In high temperature sintering furnace, the anti-oxidation of nitrogen is filled with, is gradually heating to 800-1000 DEG C, sintering is placed naturally cold in stove after 4 hours
But to less than 200 DEG C, taking-up is placed on ventilation and continues cool to room temperature, that is, obtains compound micro-electrolysis stuffing.
Embodiment 3：The preparation of compound micro-electrolysis stuffing
Screen and weigh iron powder 45kg, active powdered carbon 35kg, Boratex 6kg, aluminum oxide 6kg, sodium metasilicate 3kg, bentonite
2kg, copper powder 2kg, molybdenum powder 2kg, calcium oxide 1kg, the above raw material after weighing are added in blender, add water after being well mixed
6.2kg, after stirring is aged 1.0 hours, it is fitted into roller bearing forcing press, pressing pressure 700-800kg/cm2, it is pressed into major diameter 8-
It is positioned over after 10cm, minor axis 3-5cm oval semi-finished product in baking oven, 80-120 DEG C of drying temperature, drying is put into after 14 hours
In high temperature sintering furnace, the anti-oxidation of nitrogen is filled with, is gradually heating to 800-1000 DEG C, sintering is placed naturally cold in stove after 5 hours
But to less than 200 DEG C, taking-up is placed on ventilation and continues cool to room temperature, that is, obtains compound micro-electrolysis stuffing.
Embodiment 4：The preparation of compound micro-electrolysis stuffing
Screen and weigh iron powder 30kg, active powdered carbon 20kg, Boratex 5kg, sodium carbonate 5kg, aluminum oxide 5kg, sodium metasilicate
3kg, clay 2kg, bentonite 2kg, copper powder 4kg, molybdenum powder 3kg, calcium oxide 3kg, the above raw material after weighing are added to mixing
In device, after adding water 4.1kg, stirring to be aged 0.6 hour after being well mixed, it is fitted into roller bearing forcing press, pressing pressure 700-
800kg/cm2, major diameter 8-10cm is pressed into, is positioned over after minor axis 3-5cm oval semi-finished product in baking oven, drying temperature 80-
120 DEG C, drying is put into high temperature sintering furnace after 10 hours, is filled with the anti-oxidation of nitrogen, is gradually heating to 800-1000 DEG C, sintering
After 3 hours, place and less than 200 DEG C are naturally cooled in stove, taking-up is placed on ventilation and continues cool to room temperature, that is, obtains compound
Micro-electrolysis stuffing.
Embodiment 5：The contrast experiment of micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
Experiment wastewater is derived from certain dyeing and finishing factory comprehensive adjustment pond, the waste water contain reactive dye, direct dyes, disperse dyes,
Auxiliary agent and surfactant, water quality index are shown in Table one.Experimental method is as follows：In high 100cm, diameter 10cm cylindrical reactor
It is interior, aeration head is added, the micro-electrolysis stuffing that piling height is 80cm is respectively charged into, is then injected into above-mentioned dyeing waste water and fills out to flooding
At material, aeration is opened, it is 1-2mg/L to control dissolved oxygen, after reacting 2 hours, staticly settles 30min, takes its supernatant liquor, is carried out
Detection.Experimental result is as shown in Table 1：
Table one：The contrast experiment of micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
As shown in Table 1：Micro-electrolysis stuffing prepared by the present invention, its potential difference are higher than certain commercially available oval filler, percent opening
Bigger than certain commercially available oval filler, during for handling dyeing waste water, its COD clearance is more than 50%, chroma removal rate 60%,
It is substantially better than certain commercially available oval micro-electrolysis stuffing.
Embodiment 5：The contrast experiment of micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
Experiment wastewater is derived from certain municipal sewage plant, and the waste water is mainly sanitary sewage, and water quality index is shown in Table two.Experiment
Method is as follows：In high 100cm, diameter 10cm cylindrical reactor, aeration head is added, it is 80cm's to be respectively charged into piling height
Micro-electrolysis stuffing, above-mentioned dyeing waste water is then injected into flooding at filler, opens aeration, it is 1-2mg/L to control dissolved oxygen, reaction
After 1 hour, 30min is staticly settled, its supernatant liquor is taken, is detected.Experimental result is as shown in Table 2：
Table two：The contrast experiment of polynary micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
As shown in Table 2：When polynary micro-electrolysis stuffing prepared by the present invention is handled for municipal wastewater waste water, its COD is removed
Rate is more than 66%, chroma removal rate 75%, hence it is evident that better than commercially available oval micro-electrolysis stuffing.
Claims (4)
1. a kind of compound micro-electrolysis stuffing, it is characterised in that it is made up of the component of following parts by weight：Iron powder, 42 parts；Activity
Powdered carbon, 30 parts；Dispersant, 12 parts；Binding agent, 5 parts；Catalyst, 6 parts；Described dispersant is Boratex, sodium carbonate, oxidation
The combination of aluminium；Described binding agent is sodium metasilicate, clay, bentonitic combination；Described catalyst is copper powder, molybdenum powder and oxidation
The composition of calcium；Boratex, 6 parts；Sodium carbonate, 4 parts；Aluminum oxide, 2 parts；Sodium metasilicate, 3 parts；Clay, 1 part；Bentonite, 1 part；Copper
Powder, 3 parts；Molybdenum powder, 1 part；Calcium oxide, 2 parts；
The preparation method of described compound micro-electrolysis stuffing, comprises the following steps：
1) screening weighs：The various raw materials such as iron powder, active powdered carbon, dispersant, binding agent, catalyst are gone after the removal of impurity according to one
Fixed mass parts weigh rear standby；
2) mixing ageing：Iron powder after weighing, active powdered carbon, dispersant, binding agent, catalyst raw material are added to blender
In, after well mixed plus water stirring ageing 0.5-1.0 hours are standby, and amount of water is the mixture quality 5- after being well mixed
10%；
3) extrusion forming：Raw material after ageing is fitted into roller bearing forcing press, pressing pressure 700-800kg/cm2, it is pressed into major diameter
8-10cm, minor axis 3-5cm oval semi-finished product；
3) medium temperature is dried：Above-mentioned semi-finished product are positioned in baking oven, 80-120 DEG C of drying temperature, obtained after drying 10-20 hours
Dry semi-finished product；
4) high-temperature roasting：Above-mentioned drying semi-finished product are put into high temperature sintering furnace, the anti-oxidation of nitrogen is filled with, is gradually heating to
800-1000 DEG C, sintering time 3-5 hours, obtain sintering semi-finished product；
5) it is cooled and shaped：Above-mentioned semi-finished product are placed less than 200 DEG C are naturally cooled in stove, taking-up is placed on ventilation and continues to cool down
To room temperature, that is, obtain compound micro-electrolysis stuffing.
2. compound micro-electrolysis stuffing according to claim 1, it is characterised in that micro-electrolysis stuffing is in porous honeycomb knot
Structure, its internal openings rate are 40-45%, and filler accumulation porosity is 50-60%.
3. compound micro-electrolysis stuffing according to claim 2 is used for the microelectrolysis processing of industrial wastewater and sanitary sewage.
4. according to the application of the compound micro-electrolysis stuffing described in claim 3, it is characterised in that the industrial wastewater and life are dirty
The pH value of water is adjusted to 3-5.
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| GB2444114B (en) * | 2006-11-23 | 2009-03-11 | Ramsey Yousif Haddad | Ridding water of contaminants |
| CN101817574B (en) * | 2010-04-16 | 2012-06-13 | 吉林大学 | Preparation method of regular iron-carbon micro-electrolysis filler |
| CN102276024B (en) * | 2011-06-29 | 2013-01-30 | 吴江市恒茂环保科技有限公司 | Preparation method of structured micro-electrolysis packing used for treating wastewater, and structured micro-electrolysis packing |
| CN103112929B (en) * | 2013-03-12 | 2015-04-15 | 蓝星环境工程有限公司 | Microelectrolysis filler and use method thereof |
| CN103523868A (en) * | 2013-10-13 | 2014-01-22 | 陕西盛迈石油有限公司 | Preparation method of water-treatment iron-carbon micro-electrolysis agent |
| CN104495988B (en) * | 2014-12-02 | 2016-04-13 | 刘达苏 | The production method of ball-type iron-carbon micro-electrolysis filler |
| CN104628091B (en) * | 2015-01-24 | 2016-05-04 | 徐艳萍 | A kind of multiple catalyzing micro-electrolysis stuffing and preparation method thereof and application |
| CN104550939B (en) * | 2015-02-06 | 2016-08-24 | 宁夏鸿裕机械科技有限公司 | A kind of micro-electrolysis stuffing and preparation method and application |
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