CN106745350A - A kind of Industrial waste water treatment agent - Google Patents
A kind of Industrial waste water treatment agent Download PDFInfo
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- CN106745350A CN106745350A CN201610994625.3A CN201610994625A CN106745350A CN 106745350 A CN106745350 A CN 106745350A CN 201610994625 A CN201610994625 A CN 201610994625A CN 106745350 A CN106745350 A CN 106745350A
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- pelelith
- waste water
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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
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Abstract
The invention discloses a kind of Industrial waste water treatment agent, count by weight, be mainly made up of following raw material：15 30 parts of polymeric aluminum sulfate silicate, 15 30 parts of ferric sulfate, 15 parts of polyacrylamide, 15 parts of microorganism, 15 30 parts of farina, 3 13 parts of polyethyleneimine, 7 17 parts of alum, 5 10 parts of tannin, 4 11 parts of sodium tripolyphosphate, modified 5 20 parts of 20 40 parts of pelelith, 10 20 parts of calcium hydroxide, 10 20 parts of activated carbon, 5 15 parts of potassium peroxydisulfate, 15 parts of sodium acetate and lignin.The making raw material sources of this Industrial waste water treatment agent are extensive, the pollutant that can effectively go in water removal, and treatment sewage disposal is thorough, processing cost is low, and non-toxic, pollution-free, the waste water after treatment meets the requirement of national sewage comprehensive emission standard.
Description
Technical field
The present invention relates to field of waste water treatment, more particularly to a kind of Industrial waste water treatment agent.
Background technology
Waste water (wastewater) refers to the water of discharge in resident's active procedure and the general name of runoff rainwater.It includes life
Sewage, industrial wastewater and first rain footpath flow into other useless water such as sewer, refer generally to by can not be again after certain technical finesse
Recycle or one-level pollution after make the water that pure intractability does not reach certain standard.With the quick hair of China's chemical industry
Exhibition, various new chemical products are applied to all trades and professions, the particularly heavily contaminated such as medicine, chemical industry, plating, printing and dyeing industry
In.Industrial wastewater flows directly into channel, rivers, lake pollution surface water, if toxicity causes the dead of aquatic animals and plants compared with conference
Die and even disappear, industrial wastewater is also possible to penetrate into underground water, polluted underground water.Industrial wastewater penetrates into soil, causes soil dirty
Dye, the growth of influence plant and Soil Microorganism.Some industrial wastewaters also carry unpleasant stench, contaminated air.Industry Waste
Poisonous and harmful substance in water can be remained in vivo by ingesting for animals and plants with absorption, then reach human body by food chain
It is interior, do harm to huamn body.The also increasingly serious problem of environmental pollution of band improve product quality, the quality while, mainly
Show：Organic Pollutants in Wastewater concentration is high, Stability Analysis of Structures, biochemical are poor, and common process is difficult to qualified discharge, and place
Reason high cost, great pressure is brought to industry energy conservation emission reduction, and this is numerous domestic environmental worker and administrative department's concern
Problem, domestic water process problem is also one of a great problem of wastewater treatment now.
At present, it is mainly method of chemical treatment for the processing method of water pollution, i.e., by delivering drug-treated water pollutant.
Because water pollution species are more and mix, and the water treatment agent unitary function for primarily now using, it is therefore necessary in water process
The various medicaments such as flocculant, corrosion inhibiter, bactericide, processing technological flow are added in system respectively complicated.Equipment is more, operating process
Numerous and diverse, added amount of chemical is big, and expense is more, and can cause drug effect by the mutually resistance of various chemical reactions between plurality of reagents
Reduce.And existing water treatment agent, often the adsorption capacity to some heavy metal ion is not strong.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering
In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of Industrial waste water treatment agent, the inorganic agent can process that waste water is various to be harmful into
Point, stable chemical nature, water treatment effect is notable.
To achieve the above object, the invention provides a kind of Industrial waste water treatment agent, count by weight, mainly by following
Raw material is made：Polymeric aluminum sulfate silicate 15-30 parts, ferric sulfate 15-30 parts, polyacrylamide 1-5 parts, microorganism 1-5 parts, potato shallow lake
Powder 15-30 parts, polyethyleneimine 3-13 parts, alum 7-17 parts, tannin 5-10 parts, sodium tripolyphosphate 4-11 parts, modified pelelith
20-40 parts, calcium hydroxide 10-20 parts, activated carbon 10-20 parts, potassium peroxydisulfate 5-15 parts, sodium acetate 1-5 parts and lignin 5-20
Part.
Preferably, in above-mentioned technical proposal, described Industrial waste water treatment agent is counted by weight, mainly by following original
Material is made：20 parts of polymeric aluminum sulfate silicate, 23 parts of ferric sulfate, 3 parts of polyacrylamide, 4 parts of microorganism, 22 parts of farina, poly- second
8 parts of alkene imines, 11 parts of alum, 7 parts of tannin, 8 parts of sodium tripolyphosphate, modified 30 parts of pelelith, 15 parts of calcium hydroxide, activated carbon 15
Part, 9 parts of potassium peroxydisulfate, 3 parts of sodium acetate and 10 parts of lignin.
Preferably, in above-mentioned technical proposal, the preparation method of the modified pelelith is as follows：
(1) pretreatment of pelelith, temperature is placed in be dried 10-20 hours under conditions of 90-100 DEG C by pelelith；So
By pelelith, temperature is calcining 2-3 hour under conditions of 550-600 DEG C again afterwards；
(2) pelelith is modified：After after the pelelith cooling after step (1) calcining, pelelith is added 40% sulfuric acid
Immersion reaction 3-5h is carried out in solution and 20% Dopamine hydrochloride mixed liquor, pelelith drying is taken out, 20% hydrogen is added
Reaction 1-2h is soaked in potassium oxide solution, pelelith drying is taken out, modified pelelith is obtained.
Preferably, in above-mentioned technical proposal, 40% sulfuric acid solution and 20% Dopamine hydrochloride are mixed in the step (2)
The volume ratio of conjunction is 1-5:1.
Preferably, in above-mentioned technical proposal, the microorganism is one or two in rhodococcus erythropolis or corynebacteria
Mixing.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, modified pelelith, calcium hydroxide, activated carbon, persulfuric acid
Potassium, sodium acetate and lignin are well mixed, and the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial Wastewater Treatment
Agent.
Compared with prior art, the present invention has the advantages that：
(1) extensively, the pollutant that can effectively go in water removal processes sewage to the making raw material sources of this Industrial waste water treatment agent
Treatment is thorough, processing cost is low, and non-toxic, pollution-free, the waste water after treatment meets national sewage comprehensive emission standard
(GB8978-1996) requirement.And sewage-treating agent heavy metal of the invention has more preferable adsorption capacity.
(2) the harmful substance scope in present invention removal waste water is wide, can process the various harmful components of waste water, chemical property
Stabilization, can effectively remove harmful substance such as formaldehyde, heavy metal, COD, phosphorus and its other hazardous particulate matters etc. in waste water, and its is each
Under the synergy that component is organically combined, water quality is fully achieved discharge standard, it is adaptable to municipal wastewater and Industrial Wastewater Treatment.
Specific embodiment
With reference to specific embodiment, specific embodiment of the invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by specific embodiment.
Embodiment 1
A kind of Industrial waste water treatment agent, counts by weight, is mainly made up of following raw material：20 parts of polymeric aluminum sulfate silicate, sulphur
23 parts of sour iron, 3 parts of polyacrylamide, 4 parts of microorganism, 22 parts of farina, 8 parts of polyethyleneimine, 11 parts of alum, tannin 7
Part, 8 parts of sodium tripolyphosphate, modified 30 parts of pelelith, 15 parts of calcium hydroxide, 15 parts of activated carbon, 9 parts of potassium peroxydisulfate, 3 parts of sodium acetate
With 10 parts of lignin.
The preparation method of the modified pelelith is as follows：
(1) pretreatment of pelelith, temperature is placed in be dried 15 hours under conditions of 90-100 DEG C by pelelith；Then will
Temperature is calcining 2.5 hours under conditions of 550-600 DEG C to pelelith again；
(2) pelelith is modified：After after the pelelith cooling after step (1) calcining, pelelith is added 40% sulfuric acid
Immersion reaction 3-5h, 40% sulfuric acid solution and 20% hydrochloric acid DOPA are carried out in solution and 20% Dopamine hydrochloride mixed liquor
The volume ratio of amine mixing is 3:1；Pelelith drying is taken out, immersion reaction 1.5h in 20% potassium hydroxide solution is added, taken
Go out pelelith drying, obtain modified pelelith.
The microorganism is rhodococcus erythropolis.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, modified pelelith, calcium hydroxide, activated carbon, persulfuric acid
Potassium, sodium acetate and lignin are well mixed, and the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial Wastewater Treatment
Agent.
Waste water and the clear water detection COD and SS (suspension in water quality) of solid-liquid separation respectively for before processing, and
Detection total nitrogen, total phosphorus and ammonia-nitrogen content, it is as a result as follows：
COD and BOD drop to 1400mg/L and 270mg/L by initial 10000mg/L and 3600mg/L respectively；SS is by first
The 3532mg/L of beginning drops to 332mg/L；Total nitrogen content drops to 26mg/L by 68.5mg/L, and total phosphorus content is by under 11.3mg/L
1.4mg/L is down to, ammonia-nitrogen content drops to 7.6mg/L by 13.6mg/L.
Apparent effect measuring：Before processing chroma in waste water is 1800 times, and the clear water colourity after treatment is less than 40 times；Compared to place
Waste water before reason, the foul odour of the clear water after treatment substantially mitigates；Before processing chroma in waste water is 110 times, the clear water color after treatment
Degree drops to 26 times；Before processing turbidity of wastewater is 261NTU, the clear water turbidity reduction after treatment to 38NTU.
Embodiment 2
A kind of Industrial waste water treatment agent, counts by weight, is mainly made up of following raw material：15 parts of polymeric aluminum sulfate silicate, sulphur
30 parts of sour iron, 1 part of polyacrylamide, 5 parts of microorganism, 15 parts of farina, 3 parts of polyethyleneimine, 7 parts of alum, tannin 10
Part, 4 parts of sodium tripolyphosphate, modified 40 parts of pelelith, 10 parts of calcium hydroxide, 20 parts of activated carbon, 5 parts of potassium peroxydisulfate, 1 part of sodium acetate
With 5 parts of lignin.
The preparation method of the modified pelelith is as follows：
(1) pretreatment of pelelith, temperature is placed in be dried 20 hours under conditions of 90-100 DEG C by pelelith；Then will
Temperature is calcining 2 hours under conditions of 550-600 DEG C to pelelith again；
(2) pelelith is modified：After after the pelelith cooling after step (1) calcining, pelelith is added 40% sulfuric acid
Immersion reaction 3h, 40% sulfuric acid solution and 20% Dopamine hydrochloride are carried out in solution and 20% Dopamine hydrochloride mixed liquor
The volume ratio of mixing is 1:1；Pelelith drying is taken out, immersion reaction 2h in 20% potassium hydroxide solution is added, fire is taken out
Mountain stone drying, obtains modified pelelith.
The microorganism is corynebacteria.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, modified pelelith, calcium hydroxide, activated carbon and lignin
Well mixed, the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial waste water treatment agent.
Waste water and the clear water detection COD and SS (suspension in water quality) of solid-liquid separation respectively for before processing, and
Detection total nitrogen, total phosphorus and ammonia-nitrogen content, it is as a result as follows：
COD and BOD drop to 1400mg/L and 275mg/L by initial 10000mg/L and 3600mg/L respectively；SS is by first
The 3532mg/L of beginning drops to 322mg/L；Total nitrogen content drops to 24mg/L by 68.5mg/L, and total phosphorus content is by under 11.3mg/L
1.7mg/L is down to, ammonia-nitrogen content drops to 7.6mg/L by 13.6mg/L.
Apparent effect measuring：Before processing chroma in waste water is 1800 times, and the clear water colourity after treatment is less than 40 times；Compared to place
Waste water before reason, the foul odour of the clear water after treatment substantially mitigates；Before processing chroma in waste water is 110 times, the clear water color after treatment
Degree drops to 28 times；Before processing turbidity of wastewater is 261NTU, the clear water turbidity reduction after treatment to 42NTU.
Embodiment 3
A kind of Industrial waste water treatment agent, counts by weight, is mainly made up of following raw material：30 parts of polymeric aluminum sulfate silicate, sulphur
15 parts of sour iron, 5 parts of polyacrylamide, 1 part of microorganism, 30 parts of farina, 13 parts of polyethyleneimine, 17 parts of alum, tannin 5
Part, 11 parts of sodium tripolyphosphate, modified 20 parts of pelelith, 20 parts of calcium hydroxide, 10 parts of activated carbon, 15 parts of potassium peroxydisulfate, sodium acetate 5
20 parts of part and lignin.
The preparation method of the modified pelelith is as follows：
(1) pretreatment of pelelith, temperature is placed in be dried 10 hours under conditions of 90-100 DEG C by pelelith；Then will
Temperature is calcining 3 hours under conditions of 550-600 DEG C to pelelith again；
(2) pelelith is modified：After after the pelelith cooling after step (1) calcining, pelelith is added 40% sulfuric acid
Immersion reaction 5h, 40% sulfuric acid solution and 20% Dopamine hydrochloride are carried out in solution and 20% Dopamine hydrochloride mixed liquor
The volume ratio of mixing is 5:1；Pelelith drying is taken out, immersion reaction 1h in 20% potassium hydroxide solution is added, fire is taken out
Mountain stone drying, obtains modified pelelith.
The microorganism is the mixing in rhodococcus erythropolis and corynebacteria, and mixed proportion is 1:1.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, modified pelelith, calcium hydroxide, activated carbon, persulfuric acid
Potassium, sodium acetate and lignin are well mixed, and the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial Wastewater Treatment
Agent.
Waste water and the clear water detection COD and SS (suspension in water quality) of solid-liquid separation respectively for before processing, and
Detection total nitrogen, total phosphorus and ammonia-nitrogen content, it is as a result as follows：
COD and BOD drop to 1450mg/L and 275mg/L by initial 10000mg/L and 3600mg/L respectively；SS is by first
The 3532mg/L of beginning drops to 310mg/L；Total nitrogen content drops to 26mg/L by 68.5mg/L, and total phosphorus content is by under 11.3mg/L
1.5mg/L is down to, ammonia-nitrogen content drops to 7.2mg/L by 13.6mg/L.
Apparent effect measuring：Before processing chroma in waste water is 1800 times, and the clear water colourity after treatment is less than 40 times；Compared to place
Waste water before reason, the foul odour of the clear water after treatment substantially mitigates；Before processing chroma in waste water is 110 times, the clear water color after treatment
Degree drops to 28 times；Before processing turbidity of wastewater is 261NTU, the clear water turbidity reduction after treatment to 40NTU.
Embodiment 4
A kind of Industrial waste water treatment agent, counts by weight, is mainly made up of following raw material：20 parts of polymeric aluminum sulfate silicate, sulphur
23 parts of sour iron, 3 parts of polyacrylamide, 4 parts of microorganism, 22 parts of farina, 8 parts of polyethyleneimine, 11 parts of alum, tannin 7
Part, 8 parts of sodium tripolyphosphate, 15 parts of calcium hydroxide, 15 parts of activated carbon, 9 parts of potassium peroxydisulfate, 3 parts of sodium acetate and 10 parts of lignin.
The microorganism is rhodococcus erythropolis.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, calcium hydroxide, activated carbon, potassium peroxydisulfate, sodium acetate and
Lignin is well mixed, and the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial waste water treatment agent.
Waste water and the clear water detection COD and SS (suspension in water quality) of solid-liquid separation respectively for before processing, and
Detection total nitrogen, total phosphorus and ammonia-nitrogen content, it is as a result as follows：
COD and BOD drop to 4240mg/L and 1180mg/L by initial 10000mg/L and 3600mg/L respectively；SS by
Initial 3532mg/L drops to 1180mg/L；Total nitrogen content drops to 44mg/L by 68.5mg/L, and total phosphorus content is by 11.3mg/
L drops to 5.5mg/L, and ammonia-nitrogen content drops to 11.7mg/L by 13.6mg/L.
Apparent effect measuring：Before processing chroma in waste water is 1800 times, and the clear water colourity after treatment is less than 240 times；Compared to
Before processing waste water, the foul odour of the clear water after treatment substantially mitigates；Before processing chroma in waste water is 110 times, the clear water after treatment
Colourity drops to 54 times；Before processing turbidity of wastewater is 261NTU, the clear water turbidity reduction after treatment to 130NTU.
Embodiment 5
A kind of Industrial waste water treatment agent, counts by weight, is mainly made up of following raw material：20 parts of polymeric aluminum sulfate silicate, sulphur
23 parts of sour iron, 3 parts of polyacrylamide, 4 parts of microorganism, 22 parts of farina, 8 parts of polyethyleneimine, 11 parts of alum, tannin 7
Part, 8 parts of sodium tripolyphosphate, 30 parts of pelelith., 15 parts of calcium hydroxide, 15 parts of activated carbon, 9 parts of potassium peroxydisulfate, 3 parts of sodium acetate and
10 parts of lignin.
The microorganism is rhodococcus erythropolis.
A kind of preparation method of Industrial waste water treatment agent is, by polymeric aluminum sulfate silicate, ferric sulfate, polyacrylamide, microorganism,
Farina, polyethyleneimine, alum, tannin, sodium tripolyphosphate, pelelith, calcium hydroxide, activated carbon, potassium peroxydisulfate, vinegar
Sour sodium and lignin are well mixed, and the temperature control in mixed process is at 40-50 DEG C, you can obtain Industrial waste water treatment agent.
Waste water and the clear water detection COD and SS (suspension in water quality) of solid-liquid separation respectively for before processing, and
Detection total nitrogen, total phosphorus and ammonia-nitrogen content, it is as a result as follows：
COD and BOD drop to 2300mg/L and 500mg/L by initial 10000mg/L and 3600mg/L respectively；SS is by first
The 3532mg/L of beginning drops to 950mg/L；Total nitrogen content drops to 33mg/L by 68.5mg/L, and total phosphorus content is by under 11.3mg/L
3.1mg/L is down to, ammonia-nitrogen content drops to 9.2mg/L by 13.6mg/L.
Apparent effect measuring：Before processing chroma in waste water is 1800 times, and the clear water colourity after treatment is less than 100 times；Compared to
Before processing waste water, the foul odour of the clear water after treatment substantially mitigates；Before processing chroma in waste water is 110 times, the clear water after treatment
Colourity drops to 39 times；Before processing turbidity of wastewater is 261NTU, the clear water turbidity reduction after treatment to 90NTU.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should
With so that those skilled in the art can realize and using a variety of exemplaries of the invention and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of Industrial waste water treatment agent, it is characterised in that count by weight, be mainly made up of following raw material：Poly- silicon sulfuric acid
Aluminium 15-30 parts, ferric sulfate 15-30 parts, polyacrylamide 1-5 parts, microorganism 1-5 parts, farina 15-30 parts, polyethylene
Imines 3-13 parts, alum 7-17 parts, tannin 5-10 parts, sodium tripolyphosphate 4-11 parts, modified 20-40 parts of pelelith, calcium hydroxide
10-20 parts, activated carbon 10-20 parts, potassium peroxydisulfate 5-15 parts, sodium acetate 1-5 parts and lignin 5-20 parts.
2. Industrial waste water treatment agent according to claim 1, it is characterised in that count by weight, mainly by following original
Material is made：20 parts of polymeric aluminum sulfate silicate, 23 parts of ferric sulfate, 3 parts of polyacrylamide, 4 parts of microorganism, 22 parts of farina, poly- second
8 parts of alkene imines, 11 parts of alum, 7 parts of tannin, 8 parts of sodium tripolyphosphate, modified 30 parts of pelelith, 15 parts of calcium hydroxide, activated carbon 15
Part, 9 parts of potassium peroxydisulfate, 3 parts of sodium acetate and 10 parts of lignin.
3. Industrial waste water treatment agent according to claim 1, it is characterised in that the preparation method of the modified pelelith is such as
Under：
(1) pretreatment of pelelith, temperature is placed in be dried 10-20 hours under conditions of 90-100 DEG C by pelelith；Then will
Temperature is calcining 2-3 hour under conditions of 550-600 DEG C to pelelith again；
(2) pelelith is modified：After after the pelelith cooling after step (1) calcining, pelelith is added 40% sulfuric acid solution
3-5h is reacted with immersion is carried out in 20% Dopamine hydrochloride mixed liquor, pelelith drying is taken out, 20% hydroxide is added
Reaction 1-2h is soaked in potassium solution, pelelith drying is taken out, modified pelelith is obtained.
4. Industrial waste water treatment agent according to claim 1, it is characterised in that 40% sulfuric acid is molten in the step (2)
Liquid and the volume ratio of 20% Dopamine hydrochloride mixing are 1-5:1.
5. Industrial waste water treatment agent according to claim 1, it is characterised in that the microorganism is rhodococcus erythropolis or rod
One or two mixing in shape bacillus.
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| CN107262059A (en) * | 2017-06-30 | 2017-10-20 | 太仓市格雷得五金有限公司 | A kind of environment-friendly high-efficiency sewage-treating agent and its preparation technology |
| CN107285454A (en) * | 2017-07-03 | 2017-10-24 | 安徽国能亿盛环保科技有限公司 | A kind of Industrial waste water treatment agent |
| CN107758774A (en) * | 2017-11-30 | 2018-03-06 | 李长沛 | The preparation method of waste water treating agent |
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| CN109942071A (en) * | 2019-04-23 | 2019-06-28 | 天津华勘环保科技有限公司 | A kind of method that extraction and nanometer iron metal that tannic acid is stable strengthens persulfate degradation open chain chlorohydrocarbon |
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