CN105540797A - Efficient water-treatment composite flocculant - Google Patents
Efficient water-treatment composite flocculant Download PDFInfo
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- CN105540797A CN105540797A CN201610045097.7A CN201610045097A CN105540797A CN 105540797 A CN105540797 A CN 105540797A CN 201610045097 A CN201610045097 A CN 201610045097A CN 105540797 A CN105540797 A CN 105540797A
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to an efficient water-treatment composite flocculant which is prepared from an aluminum salt component, a ferric salt component, a coagulation enhancement component, an organic flocculation component and an activated silicic acid component. The aluminum salt component is any combination of one or more of poly aluminum chloride, polymeric aluminum sulfate, polymeric phosphato-aluminum chloride, poly-aluminum silicate, aluminum chloride and aluminum sulfate, and the usage amount is 10-40 parts by weight. The ferric salt component is any combination of one or more of polymeric ferric sulfate, polymeric ferric chloride, ferrous sulfate, ferric sulfate and ferric chloride, and the usage amount is 1-30 parts by weight. The coagulation enhancement component is any combination of one or more of carbide slag, magnesium hydroxide, magnesium chloride and zinc chloride, and the usage amount is 1-10 parts by weight. When the efficient water-treatment composite flocculant is used in a compounded mode, the flocculant can be combined with aluminum salt, is good in adsorption capacity, quick in compact precipitation and high in ferric salt hydrolysis speed, formed alumen ustum is large and dense, and the synergic effect of the aluminum salt and ferric salt can be effectively played.
Description
Technical field
The present invention relates to water treatment field, particularly relate to a kind of efficient water treatment composite flocculant.
Background technology
In recent years, along with industrial or agricultural develops rapidly, industrial water consumption and quantity of wastewater effluent constantly increase, and environmental pollution by water problem is more and more serious.Protection and rational utilization of water resources become the major issue of people's common concern.The flocculation treatment of water is the important step in wastewater treatment.Flocculation process can go turbid scrubbing to sewage effectively.Flocculation agent is the key factor determining coagulating treatment effect, all has material impact to the operation conditions of the follow-up flow process for the treatment of process, effluent quality and running cost expense etc.
Flocculation, mainly by increasing the collision of suspended particle in water, making it be combined with each other gathering and becoming large, thus makes suspended particle " de-steady " be easy to separate from water.Flocculation agent can be divided into inorganic flocculating agent, organic floculant and biological flocculant according to the difference of its chemical composition structure.Wherein, biological flocculant is responsive to water quality, is vulnerable to the interference of toxic substance, must carry out a large amount of pre-treatment to the water sample of process.Be scarcely out of swaddling-clothes in actual development application.
Organic floculant refers to the organic substance that can produce the natural of throwing out or synthetic to waste water.Natural organic floculant mostly is protein or polyose water-soluble linear polymer.Natural organic high-molecular flocculant due to its electric density little, molecular weight is lower, the problems such as biological respinse inactivation easily occurs and limits its development.In use there is certain insecurity and easily secondary pollution caused to environment in synthesis organic floculant.
The flocculation agent that inorganic flocculating agent is mainly made up of inorganic component.Conventional in water treatment procedure have aluminium salt and molysite and inorganic polymer flocculant.Still its flocculation sediment speed is slow, reagent consumption is high for micromolecular alite low price, no matter is the density and the speed that form alumen ustum, or the speed of precipitation, has the space raised.
At present, along with industrial and agricultural development, wastewater flow rate is more and more, composition becomes increasingly complex, and the oil-displacing agent in sewage, oil, suspended substance, silt and mechanical impurity equal size are high, common flocculation agent has some limitations and deficiency in actual applications, and result of use is far not by far up to the mark.
Summary of the invention
When the object of this invention is to provide a kind of compound use, the flocs unit body of generation is large and structure is closely knit, and settling velocity is fast, be easy to water body be separated, wastewater treatment efficiency obviously improves, simultaneously high to the color removal of waste water, and the efficient water treatment composite flocculant that dosage reduces.
Technical scheme of the present invention is:
The efficient water treatment composite flocculant of one of the present invention, by aluminium salt component, molysite component, solidifying component, organic-flocculation component and activated silicic acid component is helped to form, aluminium salt component adopts one or more arbitrary combination of polymerize aluminum chloride, polyaluminium sulfate, poly-phosphorus aluminum chloride, polymer aluminium silicate, aluminum chloride, Tai-Ace S 150, and usage quantity is 10 ~ 40 parts with parts by weight; Molysite component adopts one or more arbitrary combination of bodied ferric sulfate, poly-ferric chloride, ferrous sulfate, ferric sulfate, iron(ic) chloride, and usage quantity is 1 ~ 30 part with parts by weight; Help solidifying component to adopt one or more arbitrary combination of carbide slag, magnesium hydroxide, magnesium chloride, zinc chloride, usage quantity is 1 ~ 10 part with parts by weight; Organic-flocculation component adopts one or more arbitrary combination of polyacrylamide, Poly Dimethyl Diallyl Ammonium Chloride, poly-third vinyl sulfonic acid sodium, Dyhard RU 100 formaldehyde resin, and usage quantity is 1 ~ 10 part with parts by weight; Activated silicic acid component usage quantity is 1 ~ 10 part with parts by weight.
As preferably, described aluminium salt component adopts polymerize aluminum chloride, and usage quantity is 20 ~ 30 parts with parts by weight.
As preferably, described molysite component is bodied ferric sulfate, and usage quantity is 5 ~ 20 parts with parts by weight.
As preferably, the described solidifying component that helps is carbide slag, and usage quantity is 5 ~ 10 parts with parts by weight.
As preferably, described organic-flocculation component is Poly Dimethyl Diallyl Ammonium Chloride, and usage quantity is 1 ~ 5 part with parts by weight.
Its main component of carbide slag is calcium hydroxide, and the adsorptive power adding enhancing flocculation agent of calcium magnesium salts, effectively improves its flocculating effect, and increase flco density, the interpolation of organic-flocculation component can improve throw out settling velocity.
When composite flocculation agent of the present invention uses, composite flocculation agent directly can be added, or first adding dissolving vessel, mass concentration is 1 ~ 30%, stirs 3 ~ 30min, reaction tank is added to pump, add 0.1 ~ 3 kilogram in water per ton, after joining pending wastewater disposal basin, stir 5 ~ 30 minutes, after having reacted, air supporting or precipitation can be adopted to carry out solid-liquor separation according to field condition.
During efficient water treatment composite flocculant compound use of the present invention, can in conjunction with aluminium salt high adsorption capacity, form that large, the close precipitation of matter of alumen ustum is fast and iron salt hydrolysis speed is fast, alumen ustum is closely knit, effectively can play the synergy of aluminium salt and molysite.
Embodiment
Embodiment one:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 40 weight part, bodied ferric sulfate 10 weight part, carbide slag 5 weight part, Poly Dimethyl Diallyl Ammonium Chloride 1 weight part and activated silicic acid 5 weight part, be mixed with composite flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 5, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 91.1%, and percent of decolourization is 83.6%, and total tp removal rate can reach 90.1%, and the clearance of total ammonia clearance 47.8%, COD can reach 47.6%, flocculation agent residual rate 14.9%.
Embodiment two:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 35 weight part, bodied ferric sulfate 20 weight part, carbide slag 5 weight part, Poly Dimethyl Diallyl Ammonium Chloride 1 weight part and activated silicic acid 5 weight part, be mixed with composite flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 5, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 93.2%, and percent of decolourization is 87.3%, and total tp removal rate can reach 91.6%, and the clearance of total ammonia clearance 47.5%, COD can reach 48.5%, flocculation agent residual rate 14.3%.
Embodiment three:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 30 weight part, bodied ferric sulfate 5.5 weight part, iron(ic) chloride 5 weight part, carbide slag 5.5 weight part, Poly Dimethyl Diallyl Ammonium Chloride 0.5 weight part and activated silicic acid 5 weight part, be mixed with composite flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 4, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 87.6%, and percent of decolourization is 80.9%, and total tp removal rate can reach 86.4%, and the clearance of total ammonia clearance 47.6%, COD can reach 41.9%, flocculation agent residual rate 17.3%.
Embodiment four:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 20 weight part, bodied ferric sulfate 7.5 weight part, iron(ic) chloride 0.5 weight part, carbide slag 5.5 weight part, polyacrylamide 1 weight part and activated silicic acid 3 weight part, be mixed with composite flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 5, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 85.3%, and percent of decolourization is 80.1%, and total tp removal rate can reach 84.7%, and the clearance of total ammonia clearance 46.5%, COD can reach 40.1%, flocculation agent residual rate 17.7%.
Embodiment five:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 35 weight part, iron(ic) chloride 5.5 weight part, carbide slag 10 weight part, polyacrylamide 0.5 weight part and activated silicic acid 5 weight part, be mixed with multiple flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 4, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 90.7%, and percent of decolourization is 82.4%, and total tp removal rate can reach 87.3%, and the clearance of total ammonia clearance 47.1%, COD can reach 44.6%, flocculation agent residual rate 15.8%.
Embodiment six:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 30 weight part, bodied ferric sulfate 7.5 weight part, carbide slag 10 weight part, Poly Dimethyl Diallyl Ammonium Chloride 0.5 weight part and activated silicic acid 5 weight part, be mixed with multiple flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 3, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 88.3%, and percent of decolourization is 82.1%, and total tp removal rate can reach 86.7%, and the clearance of total ammonia clearance 47.4%, COD can reach 43.7%, flocculation agent residual rate 15.7%.
Embodiment seven:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 35 weight part, bodied ferric sulfate 8 weight part, iron(ic) chloride 2 weight part, carbide slag 10 weight part, polyacrylamide 0.5 weight part, Poly Dimethyl Diallyl Ammonium Chloride 0.5wt% and activated silicic acid 5 weight part, be mixed with multiple flocculation agent of the present invention, and process certain Pig raising wastewater.Getting 100mL waste water regulates pH to be 5, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 90.3%, and percent of decolourization is 82.3%, and total tp removal rate can reach 89.6%, and the clearance of total ammonia clearance 46.7%, COD can reach 46.6%, flocculation agent residual rate 15.6%.
Embodiment eight:
Efficient water treatment composite flocculant is: by polymerize aluminum chloride 20 weight part, aluminum chloride 5 weight part, bodied ferric sulfate 7.5 weight part, iron(ic) chloride 2.5 weight part, carbide slag 5.5 weight part, polyacrylamide 0.5 weight part, Poly Dimethyl Diallyl Ammonium Chloride 1 weight part and activated silicic acid 5 weight part, be mixed with multiple flocculation agent of the present invention, and certain Pig raising wastewater is processed.Getting 100mL waste water regulates pH to be 4, and add this example flocculation agent 150mg, stirring and evenly mixing, is precipitated to clarification, then detects.The turbidity removal rate of this example flocculation agent is 88.2%, and percent of decolourization is 81.7%, and total tp removal rate can reach 86.1%, and the clearance of total ammonia clearance 46.7%, COD can reach 40.9%, flocculation agent residual rate 16.5%.
Above one embodiment of the present of invention are described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. an efficient water treatment composite flocculant, it is characterized in that: its by aluminium salt component, molysite component, help solidifying component, organic-flocculation component and activated silicic acid component to form, aluminium salt component adopts one or more arbitrary combination of polymerize aluminum chloride, polyaluminium sulfate, poly-phosphorus aluminum chloride, polymer aluminium silicate, aluminum chloride, Tai-Ace S 150, and usage quantity is 10 ~ 40 parts with parts by weight; Molysite component adopts one or more arbitrary combination of bodied ferric sulfate, poly-ferric chloride, ferrous sulfate, ferric sulfate, iron(ic) chloride, and usage quantity is 1 ~ 30 part with parts by weight; Help solidifying component to adopt one or more arbitrary combination of carbide slag, magnesium hydroxide, magnesium chloride, zinc chloride, usage quantity is 1 ~ 10 part with parts by weight; Organic-flocculation component adopts one or more arbitrary combination of polyacrylamide, Poly Dimethyl Diallyl Ammonium Chloride, poly-third vinyl sulfonic acid sodium, Dyhard RU 100 formaldehyde resin, and usage quantity is 1 ~ 10 part with parts by weight; Activated silicic acid component usage quantity is 1 ~ 10 part with parts by weight.
2. efficient water treatment composite flocculant according to claim 1, is characterized in that: described aluminium salt component adopts polymerize aluminum chloride, and usage quantity is 20 ~ 30 parts with parts by weight.
3. efficient water treatment composite flocculant according to claim 1, is characterized in that: described molysite component is bodied ferric sulfate, and usage quantity is 5 ~ 20 parts with parts by weight.
4. efficient water treatment composite flocculant according to claim 1, is characterized in that: the described solidifying component that helps is carbide slag, and usage quantity is 5 ~ 10 parts with parts by weight.
5. efficient water treatment composite flocculant according to claim 1, is characterized in that: described organic-flocculation component is Poly Dimethyl Diallyl Ammonium Chloride, and usage quantity is 1 ~ 5 part with parts by weight.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162135A (en) * | 2017-05-27 | 2017-09-15 | 广东睿洁环保工程有限公司 | A kind of fast purification agent of cities and towns black and odorous water |
| CN107500472A (en) * | 2017-09-05 | 2017-12-22 | 成都锐达机电实业有限公司 | High efficiency dephosphorating technique |
| CN108059278A (en) * | 2017-12-26 | 2018-05-22 | 重庆丰望环保科技有限公司 | A kind of papermaking wastewater air-flotation process system and coagulant |
| CN108083500A (en) * | 2017-12-26 | 2018-05-29 | 重庆丰望环保科技有限公司 | A kind of papermaking wastewater flocculation sediment processing system and flocculant |
| CN108101179A (en) * | 2017-12-28 | 2018-06-01 | 新疆水处理工程技术研究中心有限公司 | A kind of composite decoloration flocculant and preparation method thereof |
| CN108163948A (en) * | 2018-01-12 | 2018-06-15 | 常州华禹环保科技有限公司 | Poly-ferric chloride-PDMDAAC compound coagulants and preparation method thereof |
| CN108178269A (en) * | 2017-12-07 | 2018-06-19 | 淮北市中芬矿山机器有限责任公司 | A kind of powdery flocculant |
| CN108585144A (en) * | 2018-04-10 | 2018-09-28 | 洛阳和天环保科技有限公司 | A kind of modified wide spectrum sewage disposal composite flocculation agent and preparation method thereof |
| CN109052602A (en) * | 2018-09-05 | 2018-12-21 | 南京大学 | A kind of natural macromolecule flocculating agent and its processing method for starch wastewater treatment |
| CN109534471A (en) * | 2019-01-14 | 2019-03-29 | 北京万云华锐化工有限公司 | A kind of flocculant and its preparation method and application |
| CN112079590A (en) * | 2020-09-28 | 2020-12-15 | 武汉聚信创为科技有限公司 | Anti-mud agent and use method thereof |
| CN112939166A (en) * | 2021-01-29 | 2021-06-11 | 常州市振邦化工制造有限公司 | Flocculating agent for treating oil-containing sewage of delayed coking in petroleum refining |
| CN114314787A (en) * | 2021-12-31 | 2022-04-12 | 华融化学股份有限公司 | Turbidity removal clarifying agent and preparation method and application thereof |
| CN114988602A (en) * | 2022-05-26 | 2022-09-02 | 欣格瑞（山东）环境科技有限公司 | Coking wastewater purifying agent |
| CN108059278B (en) * | 2017-12-26 | 2024-06-11 | 重庆丰望环保科技有限公司 | Papermaking sewage air-floatation treatment system and coagulant |
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| CN107162135A (en) * | 2017-05-27 | 2017-09-15 | 广东睿洁环保工程有限公司 | A kind of fast purification agent of cities and towns black and odorous water |
| CN107500472B (en) * | 2017-09-05 | 2021-05-11 | 成都锐达机电实业有限公司 | High-efficiency dephosphorization process |
| CN107500472A (en) * | 2017-09-05 | 2017-12-22 | 成都锐达机电实业有限公司 | High efficiency dephosphorating technique |
| CN108178269A (en) * | 2017-12-07 | 2018-06-19 | 淮北市中芬矿山机器有限责任公司 | A kind of powdery flocculant |
| CN108059278A (en) * | 2017-12-26 | 2018-05-22 | 重庆丰望环保科技有限公司 | A kind of papermaking wastewater air-flotation process system and coagulant |
| CN108083500A (en) * | 2017-12-26 | 2018-05-29 | 重庆丰望环保科技有限公司 | A kind of papermaking wastewater flocculation sediment processing system and flocculant |
| CN108059278B (en) * | 2017-12-26 | 2024-06-11 | 重庆丰望环保科技有限公司 | Papermaking sewage air-floatation treatment system and coagulant |
| CN108083500B (en) * | 2017-12-26 | 2023-12-19 | 重庆丰望环保科技有限公司 | Papermaking sewage flocculation and precipitation treatment system and flocculant |
| CN108101179A (en) * | 2017-12-28 | 2018-06-01 | 新疆水处理工程技术研究中心有限公司 | A kind of composite decoloration flocculant and preparation method thereof |
| CN108163948A (en) * | 2018-01-12 | 2018-06-15 | 常州华禹环保科技有限公司 | Poly-ferric chloride-PDMDAAC compound coagulants and preparation method thereof |
| CN108585144A (en) * | 2018-04-10 | 2018-09-28 | 洛阳和天环保科技有限公司 | A kind of modified wide spectrum sewage disposal composite flocculation agent and preparation method thereof |
| CN109052602B (en) * | 2018-09-05 | 2021-04-23 | 南京大学 | Natural polymeric flocculant for starch wastewater treatment and treatment method thereof |
| CN109052602A (en) * | 2018-09-05 | 2018-12-21 | 南京大学 | A kind of natural macromolecule flocculating agent and its processing method for starch wastewater treatment |
| CN109534471A (en) * | 2019-01-14 | 2019-03-29 | 北京万云华锐化工有限公司 | A kind of flocculant and its preparation method and application |
| CN112079590A (en) * | 2020-09-28 | 2020-12-15 | 武汉聚信创为科技有限公司 | Anti-mud agent and use method thereof |
| CN112939166A (en) * | 2021-01-29 | 2021-06-11 | 常州市振邦化工制造有限公司 | Flocculating agent for treating oil-containing sewage of delayed coking in petroleum refining |
| CN114314787A (en) * | 2021-12-31 | 2022-04-12 | 华融化学股份有限公司 | Turbidity removal clarifying agent and preparation method and application thereof |
| CN114988602A (en) * | 2022-05-26 | 2022-09-02 | 欣格瑞（山东）环境科技有限公司 | Coking wastewater purifying agent |
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| CN105540797B (en) | 2018-10-19 |
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