CN110563111A - preparation method of industrial wastewater composite treating agent - Google Patents
preparation method of industrial wastewater composite treating agent Download PDFInfo
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- CN110563111A CN110563111A CN201910144227.6A CN201910144227A CN110563111A CN 110563111 A CN110563111 A CN 110563111A CN 201910144227 A CN201910144227 A CN 201910144227A CN 110563111 A CN110563111 A CN 110563111A
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- Prior art keywords
- biomass
- treating agent
- industrial wastewater
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- powder
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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
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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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
Abstract
The invention discloses a preparation method of an industrial wastewater composite treating agent, which is used for preparing the industrial wastewater treating agent after various raw material substances are treated, and has the advantages of simple operation, low cost of the prepared industrial wastewater treating agent, good effect and suitability for large-scale production. The industrial wastewater treatment agent prepared by the method has the advantages that the removal rate of suspended matters in the industrial wastewater after treatment reaches more than 94%, the removal rate of BOD is more than 92%, and the removal rate of COD is more than 93%.
Description
Technical Field
The invention relates to the technical field of industrial wastewater treatment, in particular to a preparation method of an industrial wastewater composite treating agent.
Background
The industrial wastewater refers to wastewater, sewage and waste liquid generated in the industrial production process, and contains industrial production materials, intermediate products and products which are lost along with water, and pollutants generated in the production process. With the rapid development of industry, the variety and quantity of waste water are rapidly increased, the pollution to water bodies is more and more extensive and serious, and the health and the safety of human beings are threatened. Therefore, the treatment of industrial wastewater is more important than the treatment of municipal sewage for environmental protection. At present, the industrial wastewater treatment agents mainly comprise aluminum sulfate, ferric chloride, titanium tetrachloride, inorganic acid and alkali, amino trimethylene phosphonic Acid (ATMP), hydroxyethylidene diphosphonic acid (HEDP), sodium Polyacrylate (PAAS), liquid chlorine, calcium hypochlorite and the like. Most of the treating agents are single components, and can only remove limited pollutants in the wastewater, so that the aim of comprehensively treating the industrial wastewater is difficult to achieve.
Disclosure of Invention
the invention aims to provide a preparation method of an industrial wastewater composite treating agent aiming at the defects. The industrial wastewater treatment agent prepared from various raw materials has good effect and low cost, and is suitable for large-scale production.
1. A preparation method of an industrial wastewater composite treating agent comprises the following steps:
Drying and crushing biomass, mixing and soaking the crushed biomass and a metal salt solution, centrifuging, freezing and drying in vacuum, and repeating for 2-5 times until the mass of the dried biomass is increased by 0.1-15%;
Secondly, solid salt is put into the crucible, inert gas nitrogen is continuously introduced, and the crucible is heated to the temperature of 450-900 ℃ to melt the solid salt in the crucible;
And thirdly, coating the biomass processed in the step one by using foamed nickel, immersing the biomass in melted solid salt in a crucible, preserving the temperature for 0.25 to 2 hours, cooling to room temperature, taking out a product, washing, centrifuging, and carrying out vacuum freeze drying to obtain the industrial wastewater composite treating agent.
2. The preparation method of the industrial wastewater composite treating agent comprises the following steps of (by weight) 10 parts of rice flour, 3 parts of beef powder, 10 parts of walnut powder, 5 parts of sweet potato powder, 1 part of lucid ganoderma powder, 10 parts of green tea powder, 5 parts of chrysanthemum powder and 3 parts of houttuynia cordata powder.
3. In the first step, the metal salt solution is one or more of nitrate, sulfate and chloride of Co, Ni, Mn or Fe, and the concentration is 0.3-3 mol/L.
4. The preparation method of the industrial wastewater composite treating agent comprises the first step of mixing and soaking the biomass and the metal salt solution, wherein the process comprises the steps of placing the crushed biomass in a container, vacuumizing, reducing the pressure to 0.1-0.3Mpa, adding the metal salt solution, soaking for 15-180min, and repeating for 2-5 times until the mass of the dried biomass is increased by 0.1-15%.
5. In the preparation method of the industrial wastewater composite treating agent, the solid salt in the second step is one or a mixture of NaCl, NaOH or KOH.
the invention has the beneficial effects that: according to the invention, the industrial wastewater treating agent is prepared by treating various raw materials, the operation is simple, the prepared industrial wastewater treating agent is low in cost, and the effect of flocculating impurities in wastewater is obvious. The industrial wastewater treatment agent prepared by the method has the advantages that the removal rate of suspended matters in the industrial wastewater after treatment reaches more than 94%, the removal rate of BOD is more than 92%, and the removal rate of COD is more than 93%.
The specific implementation mode is as follows:
For better understanding of the present invention, the technical solution of the present invention will be described in detail with specific examples, but the present invention is not limited thereto.
Example 1
1. A preparation method of an industrial wastewater composite treating agent comprises the following steps:
drying and crushing 1 kg of biomass, mixing and soaking the crushed biomass and a metal salt solution, centrifuging, freezing and drying in vacuum, and repeating for 2 times until the mass of the dried biomass is increased by 0.1%;
Secondly, solid salt is put into the crucible, inert gas nitrogen is continuously introduced, and the crucible is heated to 450 ℃ to melt the solid salt in the crucible;
And thirdly, coating the biomass processed in the step one by using foamed nickel, immersing the biomass in melted solid salt in a crucible, preserving the temperature for 0.25h, cooling to room temperature, taking out a product, washing, centrifuging, and carrying out vacuum freeze drying to obtain the industrial wastewater composite treating agent.
2. The preparation method of the industrial wastewater composite treating agent comprises the following steps of (by weight) 10 parts of rice flour, 3 parts of beef powder, 10 parts of walnut powder, 5 parts of sweet potato powder, 1 part of lucid ganoderma powder, 10 parts of green tea powder, 5 parts of chrysanthemum powder and 3 parts of houttuynia cordata powder.
3. In the preparation method of the industrial wastewater composite treating agent, the metal salt solution in the first step is an aqueous solution of ferric nitrate, and the concentration of the aqueous solution is 0.3 mol/L.
4. the preparation method of the industrial wastewater composite treating agent comprises the steps of mixing and soaking the biomass and the metal salt solution in the first step, placing the crushed biomass in a container, vacuumizing, reducing the pressure to 0.1Mpa, adding the metal salt solution, soaking for 15min, and repeating for 2 times until the mass of the dried biomass is increased by 0.1%.
5. in the preparation method of the industrial wastewater composite treating agent, the solid salt in the second step is NaCl.
Example 2
1. A preparation method of an industrial wastewater composite treating agent comprises the following steps:
Drying and crushing 2 kg of biomass, mixing and soaking the crushed biomass and a metal salt solution, centrifuging, freezing and drying in vacuum, and repeating for 3 times until the mass of the dried biomass is increased by 5%;
secondly, solid salt is put into the crucible, inert gas nitrogen is continuously introduced into the crucible, and the crucible is heated to 600 ℃ to melt the solid salt in the crucible;
And thirdly, coating the biomass processed in the step one by using foamed nickel, immersing the biomass in melted solid salt in a crucible, preserving the heat for 1 hour, cooling to room temperature, taking out a product, washing, centrifuging, and carrying out vacuum freeze drying to obtain the industrial wastewater composite treating agent.
2. The preparation method of the industrial wastewater composite treating agent comprises the following steps of (by weight) 10 parts of rice flour, 3 parts of beef powder, 10 parts of walnut powder, 5 parts of sweet potato powder, 1 part of lucid ganoderma powder, 10 parts of green tea powder, 5 parts of chrysanthemum powder and 3 parts of houttuynia cordata powder.
3, the metal salt solution in the first step is a manganese sulfate aqueous solution, and the concentration of the manganese sulfate aqueous solution is 1 mol/L.
4. The preparation method of the industrial wastewater composite treating agent comprises the steps of mixing and soaking the biomass and the metal salt solution in the first step, placing the crushed biomass in a container, vacuumizing, reducing the pressure to 0.2Mpa, adding the metal salt solution, soaking for 60min, and repeating for 3 times until the mass of the dried biomass is increased by 5%.
5. In the preparation method of the industrial wastewater composite treating agent, the solid salt in the second step is NaOH.
example 3
1. a preparation method of an industrial wastewater composite treating agent comprises the following steps:
Drying and crushing 3 kilograms of biomass, mixing and soaking the crushed biomass and a metal salt solution, centrifuging, freezing and drying in vacuum, and repeating for 5 times until the mass of the dried biomass is increased by 15%;
Secondly, solid salt is put into the crucible, inert gas nitrogen is continuously introduced, and the crucible is heated to 900 ℃ to melt the solid salt in the crucible;
and thirdly, coating the biomass processed in the step one by using foamed nickel, immersing the biomass in melted solid salt in a crucible, preserving the heat for 2 hours, cooling to room temperature, taking out a product, washing, centrifuging, and carrying out vacuum freeze drying to obtain the industrial wastewater composite treating agent.
2. The preparation method of the industrial wastewater composite treating agent comprises the following steps of (by weight) 10 parts of rice flour, 3 parts of beef powder, 10 parts of walnut powder, 5 parts of sweet potato powder, 1 part of lucid ganoderma powder, 10 parts of green tea powder, 5 parts of chrysanthemum powder and 3 parts of houttuynia cordata powder.
3. in the preparation method of the industrial wastewater composite treating agent, the metal salt solution in the first step is an aqueous solution of cobalt chloride, and the concentration of the aqueous solution is 3 mol/L.
4. The preparation method of the industrial wastewater composite treating agent comprises the steps of mixing and soaking the biomass and the metal salt solution in the first step, placing the crushed biomass in a container, vacuumizing, reducing the pressure to 0.3Mpa, adding the metal salt solution, soaking for 180min, and repeating for 5 times until the mass of the dried biomass is increased by 15%.
5. in the preparation method of the industrial wastewater composite treating agent, the solid salt in the second step is KOH.
Claims (5)
1. The preparation method of the industrial wastewater composite treating agent is characterized by comprising the following steps:
drying and crushing biomass, mixing and soaking the crushed biomass and a metal salt solution, centrifuging, freezing and drying in vacuum, and repeating for 2-5 times until the mass of the dried biomass is increased by 0.1-15%;
Secondly, solid salt is put into the crucible, inert gas nitrogen is continuously introduced, and the crucible is heated to the temperature of 450-900 ℃ to melt the solid salt in the crucible;
and thirdly, coating the biomass processed in the step one by using foamed nickel, immersing the biomass in melted solid salt in a crucible, preserving the temperature for 0.25 to 2 hours, cooling to room temperature, taking out a product, washing, centrifuging, and carrying out vacuum freeze drying to obtain the industrial wastewater composite treating agent.
2. The preparation method of the industrial wastewater composite treating agent according to claim 1, wherein the biomass in the first step is 10 parts of rice flour, 3 parts of beef powder, 10 parts of walnut powder, 5 parts of sweet potato powder, 1 part of ganoderma lucidum powder, 10 parts of green tea powder, 5 parts of chrysanthemum powder and 3 parts of houttuynia cordata powder by weight.
3. the process of preparing composite industrial effluent treating agent as set forth in claim 1, wherein the metal salt solution in the first step is one or several kinds of nitrate, sulfate and chloride solution of Co, Ni, Mn or Fe in concentration of 0.3-3 mol/L.
4. the preparation process of composite industrial waste water treating agent as set forth in claim 1 includes the first soaking step of mixing biomass with metal salt solution, the subsequent vacuum pumping of crushed biomass in a container to vacuum degree of 0.1-0.3MPa, adding metal salt solution for 15-180min, and repeating the soaking step for 2-5 times until the dried biomass has increased in mass by 0.1-15%.
5. The method for preparing the composite treating agent for industrial wastewater according to claim 1, wherein the solid salt in the second step is one or more of NaCl, NaOH or KOH.
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| CN201910144227.6A CN110563111A (en) | 2019-02-27 | 2019-02-27 | preparation method of industrial wastewater composite treating agent |
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| CN201910144227.6A CN110563111A (en) | 2019-02-27 | 2019-02-27 | preparation method of industrial wastewater composite treating agent |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988006144A1 (en) * | 1987-02-13 | 1988-08-25 | Aktieselskabet Nordiske Kabel- Og Traadfabriker | A method for treating polluted material |
| WO2009072454A1 (en) * | 2007-12-03 | 2009-06-11 | Cdm Consulting Co., Ltd | Method of treating biomass |
| CN105668892A (en) * | 2016-02-02 | 2016-06-15 | 南京林业大学 | Straw pulp black liquor processing device and method thereof |
| CN105906006A (en) * | 2015-10-16 | 2016-08-31 | 湖北文理学院 | Preparation method of domestic sewage treatment agent |
| CN105923731A (en) * | 2015-10-16 | 2016-09-07 | 湖北文理学院 | Preparation method of industrial water drainage treatment agent |
| CN106531476A (en) * | 2016-12-29 | 2017-03-22 | 湖北文理学院 | Preparation method of metal oxide/ carbon composite material |
| CN106938190A (en) * | 2017-04-19 | 2017-07-11 | 东北农业大学 | A kind of preparation method of the lamella multiporous biological charcoal with strong adsorption function |
-
2019
- 2019-02-27 CN CN201910144227.6A patent/CN110563111A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988006144A1 (en) * | 1987-02-13 | 1988-08-25 | Aktieselskabet Nordiske Kabel- Og Traadfabriker | A method for treating polluted material |
| WO2009072454A1 (en) * | 2007-12-03 | 2009-06-11 | Cdm Consulting Co., Ltd | Method of treating biomass |
| CN105906006A (en) * | 2015-10-16 | 2016-08-31 | 湖北文理学院 | Preparation method of domestic sewage treatment agent |
| CN105923731A (en) * | 2015-10-16 | 2016-09-07 | 湖北文理学院 | Preparation method of industrial water drainage treatment agent |
| CN105668892A (en) * | 2016-02-02 | 2016-06-15 | 南京林业大学 | Straw pulp black liquor processing device and method thereof |
| CN106531476A (en) * | 2016-12-29 | 2017-03-22 | 湖北文理学院 | Preparation method of metal oxide/ carbon composite material |
| CN106938190A (en) * | 2017-04-19 | 2017-07-11 | 东北农业大学 | A kind of preparation method of the lamella multiporous biological charcoal with strong adsorption function |
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Application publication date: 20191213 |
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