CN112661213A - Prevention and control agent based on sewage treatment - Google Patents
Prevention and control agent based on sewage treatment Download PDFInfo
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- CN112661213A CN112661213A CN202011586999.4A CN202011586999A CN112661213A CN 112661213 A CN112661213 A CN 112661213A CN 202011586999 A CN202011586999 A CN 202011586999A CN 112661213 A CN112661213 A CN 112661213A
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Abstract
The invention belongs to the technical field of sewage treatment, and particularly discloses a prevention and control agent based on sewage treatment, which is prepared from the following raw materials in parts by weight: 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of an additive, 12-18 parts of lithopone and the balance of water; by adding the additive, the additive is prepared by mixing menthone, starch, butane, zeolite minerals, activated carbon and diatomite, impurity particles in sewage are agglomerated by the aid of the characteristic that the starch is insoluble in water and float on the water surface, and the zeolite minerals, the activated carbon and the diatomite are combined to achieve a good purification effect on water quality and improve the purification treatment effect of the sewage, so that suspended matters are immediately flocculated and precipitated quickly after the prevention and control agent is added into the sewage.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a prevention and control agent based on sewage treatment.
Background
Along with the development of economic society, the improvement of the living standard of people and the change of life style, the discharge of domestic sewage in small towns and rural areas in China presents the development situation of large discharge amount and concentrated discharge. Domestic sewage in small towns and rural areas becomes one of main pollution sources of water bodies in various drainage basins, however, the water pollution treatment work in the villages and the towns is still in the starting stage at present, the water pollution treatment investment in the villages and the towns is low, the treatment rate of the domestic sewage is low, and most of the domestic sewage is directly discharged without being treated, so that the water body pollution is serious.
Environmental protection directly affects the sustainable development of national economy in China. In the economic development of the past decades in China, the environmental protection in the development is neglected, so that the environmental pollution is very serious at the present stage. In recent years, a large number of control measures have been taken, but the trend of further environmental deterioration continues. China is one of the most serious countries in the world with environmental pollution, and the atmosphere, rivers, lakes, oceans, soil and the like in China are polluted to different degrees in cities or villages.
The main methods for sewage treatment at present are physicochemical method, biochemical method, chemical agent method and several combined treatment methods. Sewage discharged from industries such as pesticide, pharmacy, fine chemical industry, dye and the like has high organic matter concentration, is high in toxicity and non-biodegradable, is mostly persistent organic matters (POPs), has great harm to the environment and human bodies, is called 'three-cause' (teratogenic, carcinogenic and mutagenic) substances and environmental hormone (EDCs) substances, and thus becomes 'priority control pollutants' for environmental protection.
With the increasingly frequent economic activities of people in China, the water body is more and more seriously polluted by water and soil loss, production and domestic sewage, the pollution components of the pollution comprise various trace organic pollutants, heavy metal ion pollutants and macromolecular natural organic matters with higher concentration, and the problem cannot be solved by simply increasing the adding amount of a coagulant.
Therefore, the technical field of people provides a prevention and control agent based on sewage treatment to solve the problems in the background.
Disclosure of Invention
The invention aims to provide a prevention and control agent based on sewage treatment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: a prevention and control medicament based on sewage treatment is prepared from the following raw materials in parts by weight: 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of an additive, 12-18 parts of lithopone and the balance of water.
Preferably, the feed additive is prepared from the following raw materials in parts by weight: 6 parts of bentonite, 3 parts of sodium chloride, 3 parts of alum, 1.6 parts of aluminum sulfate, 5 parts of calcium oxide, 6 parts of magnesium oxide, 1.2 parts of ferric oxide, 0.6 part of magnesium oxide, 0.2 part of sodium oxide, 3 parts of silicon dioxide, 5 parts of sodium silicate, 4 parts of sodium polyacrylate, 9 parts of alum, 5 parts of an additive, 12 parts of lithopone and the balance of water.
Preferably, the feed additive is prepared from the following raw materials in parts by weight: 9 parts of bentonite, 5 parts of sodium chloride, 4 parts of alum, 2.5 parts of aluminum sulfate, 6 parts of calcium oxide, 9 parts of magnesium oxide, 1.8 parts of ferric oxide, 0.9 part of magnesium oxide, 0.5 part of sodium oxide, 9 parts of silicon dioxide, 7 parts of sodium silicate, 6 parts of sodium polyacrylate, 12 parts of alum, 15 parts of an additive, 18 parts of lithopone and the balance of water.
Preferably, the additive is prepared from the following raw materials in parts by weight: 6-15 parts of menthone, 5-10 parts of starch, 10-20 parts of butane, 10-20 parts of zeolite mineral, 5-10 parts of activated carbon and 5-12 parts of diatomite.
Preferably, the activated carbon is powdered activated carbon.
Preferably, the prevention and control medicament further comprises a coagulant aid, and the coagulant aid comprises the following raw materials: 12-18 parts of polyacrylamide, 6-9 parts of activated silicic acid and 5-7 parts of sodium alginate.
Preferably, the prevention and control medicament further comprises a bactericide, and the bactericide comprises the following raw materials: 5-9 parts of butanediol, 3-4 parts of resorcinol and 3-4 parts of trioctyl tertiary amine.
Preferably, the prevention and control medicament further comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 5-7 parts of hydroxyethylidene diphosphonic acid and 4-5 parts of diethylenetriamine pentamethyl phosphonic acid.
A preparation method of a prevention and control medicament based on sewage treatment comprises the following steps:
s1, preparing 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of an additive and 12-18 parts of lithopone, and uniformly mixing the mixture with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
s3, grinding the mixture B to 110-120 meshes to obtain the prevention and control agent.
Preferably, the deficit is supplemented with distilled water.
The invention has the technical effects and advantages that: compared with the prior art:
1. according to the invention, by adding the additive, the additive is prepared by mixing menthone, starch, butane, zeolite minerals, activated carbon and diatomite, and by utilizing the characteristic that the starch is insoluble in water, impurity particles in sewage are adhered to form clusters through the starch and float on the water surface, and the zeolite minerals, the activated carbon and the diatomite are combined, so that a good purification effect is achieved on water quality, the purification treatment effect of the sewage is improved, and after the prevention and control agent is added into the sewage, suspended matters are immediately flocculated, the precipitation is rapid, the flocculent strength is high, the hydrophobic property is good, and the filter pressing is facilitated;
2. the pH of the prevention and control agent solution provided by the invention is close to neutral, and the prevention and control agent solution does not contain chloride ions, has the advantages of no toxicity, safety, environmental protection and the like after being added into sewage to treat and purify the sewage, has no influence on human health, has no problems of secondary pollution and the like after treating oily organic sewage, and is energy-saving, environment-friendly, high in use efficiency and strong in conversion rate;
3. after being put into the sewage and contacted with the sewage body, the sewage treatment device can realize the rapid condensation of pollutants in the sewage, can rapidly precipitate under the action of the additive, and has high reaction speed with the sewage and high treatment efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a prevention and control medicament based on sewage treatment, which is prepared from the following raw materials in parts by weight: 6 parts of bentonite, 3 parts of sodium chloride, 3 parts of alum, 1.6 parts of aluminum sulfate, 5 parts of calcium oxide, 6 parts of magnesium oxide, 1.2 parts of ferric oxide, 0.6 part of magnesium oxide, 0.2 part of sodium oxide, 3 parts of silicon dioxide, 5 parts of sodium silicate, 4 parts of sodium polyacrylate, 9 parts of alum, 5 parts of an additive, 12 parts of lithopone and the balance of water.
Specifically, the additive is prepared from the following raw materials in parts by weight: 6 parts of menthone, 5 parts of starch, 10 parts of butane, 10 parts of zeolite mineral, 5 parts of activated carbon and 5 parts of diatomite.
Specifically, the activated carbon is powdered activated carbon.
Specifically, the prevention and control medicament also comprises a coagulant aid, wherein the coagulant aid comprises the following raw materials: 12 parts of polyacrylamide, 6 parts of activated silicic acid and 5 parts of sodium alginate.
Specifically, the prevention and control medicament also comprises a bactericide which comprises the following raw materials: 5 parts of butanediol, 3 parts of resorcinol and 3 parts of trioctyl tertiary amine.
Specifically, the prevention and control medicament also comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 5 parts of hydroxyethylidene diphosphonic acid and 4 parts of diethylenetriamine pentamethyl phosphonic acid.
A preparation method of a prevention and control medicament based on sewage treatment comprises the following steps:
s1, preparing 6 parts of bentonite, 3 parts of sodium chloride, 3 parts of alum, 1.6 parts of aluminum sulfate, 5 parts of calcium oxide, 6 parts of magnesium oxide, 1.2 parts of ferric oxide, 0.6 part of magnesium oxide, 0.2 part of sodium oxide, 3 parts of silicon dioxide, 5 parts of sodium silicate, 4 parts of sodium polyacrylate, 9 parts of alum, 5 parts of an additive and 12 parts of lithopone, and uniformly mixing the components with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
and S3, grinding the mixture B to 110 meshes to obtain the prevention and control medicament.
Specifically, the shortage was supplemented with distilled water.
Example 2
The invention provides a prevention and control medicament based on sewage treatment, which is prepared from the following raw materials in parts by weight: 8 parts of bentonite, 4 parts of sodium chloride, 3 parts of alum, 2 parts of aluminum sulfate, 5 parts of calcium oxide, 7 parts of magnesium oxide, 1.5 parts of ferric oxide, 0.8 part of magnesium oxide, 0.4 part of sodium oxide, 7 parts of silicon dioxide, 6 parts of sodium silicate, 5 parts of sodium polyacrylate, 10 parts of alum, 12 parts of an additive, 16 parts of lithopone and the balance of water.
Specifically, the additive is prepared from the following raw materials in parts by weight: 12 parts of menthone, 8 parts of starch, 15 parts of butane, 15 parts of zeolite mineral, 8 parts of activated carbon and 9 parts of diatomite.
Specifically, the activated carbon is powdered activated carbon.
Specifically, the prevention and control medicament also comprises a coagulant aid, wherein the coagulant aid comprises the following raw materials: 15 parts of polyacrylamide, 8 parts of activated silicic acid and 6 parts of sodium alginate.
Specifically, the prevention and control medicament also comprises a bactericide which comprises the following raw materials: 7 parts of butanediol, 4 parts of resorcinol and 4 parts of trioctyl tertiary amine.
Specifically, the prevention and control medicament also comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 5-7 parts of hydroxyethylidene diphosphonic acid and 5 parts of diethylenetriamine pentamethyl phosphonic acid.
A preparation method of a prevention and control medicament based on sewage treatment comprises the following steps:
s1, preparing 8 parts of bentonite, 4 parts of sodium chloride, 3 parts of alum, 2 parts of aluminum sulfate, 5 parts of calcium oxide, 7 parts of magnesium oxide, 1.5 parts of ferric oxide, 0.8 part of magnesium oxide, 0.4 part of sodium oxide, 7 parts of silicon dioxide, 6 parts of sodium silicate, 5 parts of sodium polyacrylate, 10 parts of alum, 12 parts of an additive and 16 parts of lithopone, and uniformly mixing the components with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
and S3, grinding the mixture B to 115 meshes to obtain the prevention and control medicament.
Specifically, the shortage was supplemented with distilled water.
Example 3
The invention provides a prevention and control medicament based on sewage treatment, which is prepared from the following raw materials in parts by weight: 9 parts of bentonite, 5 parts of sodium chloride, 4 parts of alum, 2.5 parts of aluminum sulfate, 6 parts of calcium oxide, 9 parts of magnesium oxide, 1.8 parts of ferric oxide, 0.9 part of magnesium oxide, 0.5 part of sodium oxide, 9 parts of silicon dioxide, 7 parts of sodium silicate, 6 parts of sodium polyacrylate, 12 parts of alum, 15 parts of an additive, 18 parts of lithopone and the balance of water.
Specifically, the additive is prepared from the following raw materials in parts by weight: 15 parts of menthone, 10 parts of starch, 20 parts of butane, 20 parts of zeolite mineral, 10 parts of activated carbon and 12 parts of diatomite.
Specifically, the activated carbon is powdered activated carbon.
Specifically, the prevention and control medicament also comprises a coagulant aid, wherein the coagulant aid comprises the following raw materials: 18 parts of polyacrylamide, 9 parts of activated silicic acid and 7 parts of sodium alginate.
Specifically, the prevention and control medicament also comprises a bactericide which comprises the following raw materials: 9 parts of butanediol, 4 parts of resorcinol and 4 parts of trioctyl tertiary amine.
Specifically, the prevention and control medicament also comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 7 parts of hydroxyethylidene diphosphonic acid and 5 parts of diethylenetriamine pentamethyl phosphonic acid.
A preparation method of a prevention and control medicament based on sewage treatment comprises the following steps:
s1, preparing 9 parts of bentonite, 5 parts of sodium chloride, 4 parts of alum, 2.5 parts of aluminum sulfate, 6 parts of calcium oxide, 9 parts of magnesium oxide, 1.8 parts of ferric oxide, 0.9 part of magnesium oxide, 0.5 part of sodium oxide, 9 parts of silicon dioxide, 7 parts of sodium silicate, 6 parts of sodium polyacrylate, 12 parts of alum, 15 parts of an additive and 18 parts of lithopone, and uniformly mixing the components with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
and S3, grinding the mixture B to 120 meshes to obtain the prevention and control medicament.
Specifically, the shortage was supplemented with distilled water.
Example 4
The invention provides a prevention and control medicament based on sewage treatment, which is prepared from the following raw materials in parts by weight: 11 parts of bentonite, 6 parts of sodium chloride, 5 parts of alum, 3 parts of aluminum sulfate, 7 parts of calcium oxide, 10 parts of magnesium oxide, 2 parts of ferric oxide, 1 part of magnesium oxide, 1 part of sodium oxide, 10 parts of silicon dioxide, 8 parts of sodium silicate, 7 parts of sodium polyacrylate, 13 parts of alum, 16 parts of an additive, 19 parts of lithopone and the balance of water.
Specifically, the additive is prepared from the following raw materials in parts by weight: 15 parts of menthone, 10 parts of starch, 20 parts of butane, 20 parts of zeolite mineral, 10 parts of activated carbon and 12 parts of diatomite.
Specifically, the activated carbon is powdered activated carbon.
Specifically, the prevention and control medicament also comprises a coagulant aid, wherein the coagulant aid comprises the following raw materials: 19 parts of polyacrylamide, 11 parts of activated silicic acid and 8 parts of sodium alginate.
Specifically, the prevention and control medicament also comprises a bactericide which comprises the following raw materials: 10 parts of butanediol, 5 parts of resorcinol and 5 parts of trioctyl tertiary amine.
Specifically, the prevention and control medicament also comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 9 parts of hydroxyethylidene diphosphonic acid and 6 parts of diethylenetriamine pentamethyl phosphonic acid.
A preparation method of a prevention and control medicament based on sewage treatment comprises the following steps:
s1, preparing 11 parts of bentonite, 6 parts of sodium chloride, 5 parts of alum, 3 parts of aluminum sulfate, 7 parts of calcium oxide, 10 parts of magnesium oxide, 2 parts of ferric oxide, 1 part of magnesium oxide, 1 part of sodium oxide, 10 parts of silicon dioxide, 8 parts of sodium silicate, 7 parts of sodium polyacrylate, 13 parts of alum, 16 parts of an additive and 19 parts of lithopone, and uniformly mixing the components with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
and S3, grinding the mixture B to 100 meshes to obtain the prevention and control medicament.
Specifically, the shortage was supplemented with distilled water.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a prevent and control medicament based on sewage treatment which characterized in that: the material is prepared from the following raw materials in parts by weight: 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of an additive, 12-18 parts of lithopone and the balance of water.
2. The prevention and control agent for sewage treatment according to claim 1, wherein: the material is prepared from the following raw materials in parts by weight: 6 parts of bentonite, 3 parts of sodium chloride, 3 parts of alum, 1.6 parts of aluminum sulfate, 5 parts of calcium oxide, 6 parts of magnesium oxide, 1.2 parts of ferric oxide, 0.6 part of magnesium oxide, 0.2 part of sodium oxide, 3 parts of silicon dioxide, 5 parts of sodium silicate, 4 parts of sodium polyacrylate, 9 parts of alum, 5 parts of an additive, 12 parts of lithopone and the balance of water.
3. The prevention and control agent for sewage treatment according to claim 1, wherein: the material is prepared from the following raw materials in parts by weight: 9 parts of bentonite, 5 parts of sodium chloride, 4 parts of alum, 2.5 parts of aluminum sulfate, 6 parts of calcium oxide, 9 parts of magnesium oxide, 1.8 parts of ferric oxide, 0.9 part of magnesium oxide, 0.5 part of sodium oxide, 9 parts of silicon dioxide, 7 parts of sodium silicate, 6 parts of sodium polyacrylate, 12 parts of alum, 15 parts of an additive, 18 parts of lithopone and the balance of water.
4. The prevention and control agent for sewage treatment according to claim 1, wherein: the additive is prepared from the following raw materials in parts by weight: 6-15 parts of menthone, 5-10 parts of starch, 10-20 parts of butane, 10-20 parts of zeolite mineral, 5-10 parts of activated carbon and 5-12 parts of diatomite.
5. The prevention and control agent for sewage treatment according to claim 4, wherein: the active carbon is powdered active carbon.
6. The prevention and control agent for sewage treatment according to claim 1, wherein: the prevention and control medicament also comprises a coagulant aid, wherein the coagulant aid comprises the following raw materials: 12-18 parts of polyacrylamide, 6-9 parts of activated silicic acid and 5-7 parts of sodium alginate.
7. The prevention and control agent for sewage treatment according to claim 1, wherein: the prevention and control medicament also comprises a bactericide, wherein the bactericide comprises the following raw materials: 5-9 parts of butanediol, 3-4 parts of resorcinol and 3-4 parts of trioctyl tertiary amine.
8. The prevention and control agent for sewage treatment according to claim 1, wherein: the control medicament also comprises a corrosion and scale inhibitor, and the corrosion and scale inhibitor comprises the following raw materials: 5-7 parts of hydroxyethylidene diphosphonic acid and 4-5 parts of diethylenetriamine pentamethyl phosphonic acid.
9. The preparation method of the prevention and control agent based on sewage treatment according to claim 1, wherein the preparation method comprises the following steps: the method comprises the following steps:
s1, preparing 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of an additive and 12-18 parts of lithopone, and uniformly mixing the mixture with water to obtain a mixture A;
s2, adding an additive into the mixture, and uniformly mixing to obtain a mixture B;
s3, grinding the mixture B to 110-120 meshes to obtain the prevention and control agent.
10. The prevention and control agent for sewage treatment according to claim 1, wherein: the insufficient part was supplemented with distilled water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011586999.4A CN112661213A (en) | 2020-12-29 | 2020-12-29 | Prevention and control agent based on sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011586999.4A CN112661213A (en) | 2020-12-29 | 2020-12-29 | Prevention and control agent based on sewage treatment |
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| CN112661213A true CN112661213A (en) | 2021-04-16 |
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| CN106006789A (en) * | 2016-07-07 | 2016-10-12 | 王瑞明 | Heavy metal wastewater treatment reagent |
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| CN108358270A (en) * | 2018-02-09 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of chemistry in water treatment medicament and preparation method thereof |
| CN109928538A (en) * | 2017-12-19 | 2019-06-25 | 山东格得生物科技有限公司 | A kind of high efficiency sewage treating agent and application method |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071587A (en) * | 1990-05-31 | 1991-12-10 | Aquatechnica, Inc. | Composition and method for purifying water |
| CN107416916A (en) * | 2015-08-28 | 2017-12-01 | 邓忆凯 | A kind of sewage treatment drug and preparation method thereof |
| CN105174488A (en) * | 2015-09-10 | 2015-12-23 | 石东秀 | Organic sewage treatment agent |
| CN106006789A (en) * | 2016-07-07 | 2016-10-12 | 王瑞明 | Heavy metal wastewater treatment reagent |
| CN108069469A (en) * | 2016-11-14 | 2018-05-25 | 广安市广安区井河镇初级中学校 | A kind of waste water control medicament |
| CN106542629A (en) * | 2016-12-08 | 2017-03-29 | 唐传猷 | In a kind of sewage and medicament and preparation method thereof |
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Application publication date: 20210416 |