CN112429794A - Printing and dyeing wastewater treatment agent and preparation method thereof - Google Patents
Printing and dyeing wastewater treatment agent and preparation method thereof Download PDFInfo
- Publication number
- CN112429794A CN112429794A CN202011377279.7A CN202011377279A CN112429794A CN 112429794 A CN112429794 A CN 112429794A CN 202011377279 A CN202011377279 A CN 202011377279A CN 112429794 A CN112429794 A CN 112429794A
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- CN
- China
- Prior art keywords
- parts
- printing
- dyeing wastewater
- diatomite
- wheat bran
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
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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
- C02F1/54—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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention relates to the technical field of wastewater treatment, and particularly relates to a printing and dyeing wastewater treatment agent and a preparation method thereof. The composition is characterized by comprising the following raw materials in parts by weight: 25-35 parts of polyacrylamide, 15-30 parts of polyaluminium chloride, 10-15 parts of active bentonite, 10-15 parts of diatomite, 10-20 parts of wheat bran, 15-25 parts of active carbon, 1-3 parts of polymeric ferric sulfate, 3-5 parts of calcium sulfate, 5-10 parts of a flocculating agent and 80-100 parts of deionized water. The treating agent has the advantages of simple and efficient preparation process, low treatment cost, easy recovery and reutilization of products, great cost saving and simplification of post-treatment process. When the printing and dyeing wastewater is treated, the printing and dyeing wastewater treatment agent is added, so that the printing and dyeing wastewater can be effectively and efficiently purified, and the health of the environment and workers is protected.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, and particularly relates to a printing and dyeing wastewater treatment agent and a preparation method thereof.
Background
A large amount of printing and dyeing wastewater is generated during printing and dyeing in a textile mill, and if the wastewater is directly discharged, the environment is greatly damaged. And textile factories in China are numerous, the printing and dyeing wastewater generated every day is very much, 100-200 tons of water are consumed for printing and dyeing 1 ton of textiles, and 80-90% of the wastewater becomes wastewater. The textile printing and dyeing wastewater contains dye, slurry, auxiliary agent, inorganic salt and a plurality of organic matters, has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, and belongs to one of industrial wastewater difficult to treat. The main methods for treating the printing and dyeing wastewater comprise a physical and chemical method, a biochemical method, a chemical method and a treatment method combining several processes, wherein the pretreatment in the wastewater treatment can improve the quality of the wastewater, remove suspended matters and impurities capable of directly settling, adjust the quality and the quantity of the wastewater and reduce the temperature of the wastewater.
Although the content of the dye in the printing and dyeing wastewater can be reduced to a certain extent by the common wastewater treatment method, the problems of overhigh treatment cost, poor adaptability to the change of the components of the dye wastewater and the like still exist.
Disclosure of Invention
The invention aims to provide a printing and dyeing wastewater treatment agent and a preparation method thereof, which aim to solve the problems in the background technology.
In order to solve the technical problems, the invention adopts the technical scheme that:
the treating agent for the printing and dyeing wastewater is characterized by comprising the following raw materials in parts by weight: 30 parts of polyacrylamide, 25 parts of polyaluminium chloride, 10 parts of active bentonite, 10 parts of diatomite, 15 parts of wheat bran, 20 parts of active carbon, 1 part of polyferric sulfate, 3 parts of calcium sulfate, 10 parts of a flocculating agent and 80 parts of deionized water.
Preferably, the diatomite is fresh water diatomite, seawater diatomite or a mixture of the fresh water diatomite and the seawater diatomite in any proportion.
A preparation method of a printing and dyeing wastewater treatment agent is characterized by comprising the following steps:
step 1: weighing wheat bran, drying and grinding to obtain wheat bran powder for later use;
step 2: adding polyacrylamide, polyaluminium chloride and half of deionized water, mixing and stirring, and simultaneously heating to obtain a chemical combination solution;
and step 3: after the compound solution obtained in the step 1 is cooled to a natural temperature, adding polymeric ferric sulfate and calcium sulfate into the compound obtained in the step 2, and mixing and stirring;
and 4, step 4: and (3) adding activated bentonite, diatomite, activated carbon, a flocculating agent and the wheat bran powder prepared in the step (1) into the solution obtained in the step (3), adding the rest deionized water, heating and uniformly stirring.
Compared with the prior art, the invention has the beneficial effects that: when the printing and dyeing wastewater is treated, the water treatment agent capable of purifying the printing and dyeing wastewater is added, so that an efficient purification effect on the printing and dyeing wastewater can be effectively achieved, secondary pollution can not be caused, and the pollution to the environment and treating personnel caused by multiple processes and excessive use of the treatment agent during the printing and dyeing wastewater treatment is avoided.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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. 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.
The first embodiment:
the treating agent for the printing and dyeing wastewater is characterized by comprising the following raw materials in parts by weight: 30 parts of polyacrylamide, 25 parts of polyaluminium chloride, 10 parts of active bentonite, 10 parts of diatomite, 15 parts of wheat bran, 20 parts of active carbon, 1 part of polyferric sulfate, 3 parts of calcium sulfate, 10 parts of a flocculating agent and 80 parts of deionized water.
Preferably, the diatomite is fresh water diatomite, seawater diatomite or a mixture of the fresh water diatomite and the seawater diatomite in any proportion.
A preparation method of a printing and dyeing wastewater treatment agent is characterized by comprising the following steps:
step 1: weighing wheat bran, drying and grinding to obtain wheat bran powder for later use;
step 2: adding polyacrylamide, polyaluminium chloride and half of deionized water, mixing and stirring, and simultaneously heating to obtain a chemical combination solution;
and step 3: after the compound solution obtained in the step 1 is cooled to a natural temperature, adding polymeric ferric sulfate and calcium sulfate into the compound obtained in the step 2, and mixing and stirring;
and 4, step 4: and (3) adding activated bentonite, diatomite, activated carbon, a flocculating agent and the wheat bran powder prepared in the step (1) into the solution obtained in the step (3), adding the rest deionized water, heating and uniformly stirring.
Second embodiment:
the treating agent for the printing and dyeing wastewater is characterized by comprising the following raw materials in parts by weight: 25 parts of polyacrylamide, 15 parts of polyaluminium chloride, 15 parts of active bentonite, 15 parts of diatomite, 20 parts of wheat bran, 25 parts of active carbon, 1 part of polymeric ferric sulfate, 3 parts of calcium sulfate, 5 parts of a flocculating agent and 100 parts of deionized water.
Preferably, the diatomite is fresh water diatomite, seawater diatomite or a mixture of the fresh water diatomite and the seawater diatomite in any proportion.
A preparation method of a printing and dyeing wastewater treatment agent is characterized by comprising the following steps:
step 1: weighing wheat bran, heating to 80 ℃, drying and grinding to obtain wheat bran powder for later use;
step 2: adding polyacrylamide, polyaluminium chloride and one third of deionized water, heating to 70 ℃, mixing and stirring to obtain a chemical combination solution;
and step 3: cooling the compound solution obtained in the step 2 to 50 ℃, adding polymeric ferric sulfate and calcium sulfate into the compound obtained in the step 2, mixing and stirring, and gradually heating to 70 ℃;
and 4, step 4: and (3) adding the activated bentonite, the diatomite, the activated carbon, the flocculating agent and the wheat bran powder prepared in the step (1) into the compound obtained in the step (3), adding the rest deionized water, heating to 75 ℃, uniformly stirring, and waiting for cooling to obtain a finished product.
The third embodiment:
the treating agent for the printing and dyeing wastewater is characterized by comprising the following raw materials in parts by weight: 35 parts of polyacrylamide, 30 parts of polyaluminium chloride, 10 parts of active bentonite, 10 parts of diatomite, 10 parts of wheat bran, 15 parts of active carbon, 3 parts of polymeric ferric sulfate, 5 parts of calcium sulfate, 10 parts of a flocculating agent and 80 parts of deionized water.
Preferably, the diatomite is fresh water diatomite, seawater diatomite or a mixture of the fresh water diatomite and the seawater diatomite in any proportion.
A preparation method of a printing and dyeing wastewater treatment agent is characterized by comprising the following steps:
step 1: weighing wheat bran, heating to 80 ℃, drying and grinding to obtain wheat bran powder for later use;
step 2: adding polyacrylamide, polyaluminium chloride and half of deionized water, heating to 75 ℃, mixing and stirring to obtain a chemical combination solution;
and step 3: cooling the compound solution obtained in the step 2 to 50 ℃, adding polymeric ferric sulfate and calcium sulfate into the compound obtained in the step 2, mixing and stirring, and gradually heating to 70 ℃;
and 4, step 4: and (3) adding the activated bentonite, the diatomite, the activated carbon, the flocculating agent and the wheat bran powder prepared in the step (1) into the compound obtained in the step (3), adding the rest deionized water, heating to 80 ℃, uniformly stirring, and waiting for cooling to obtain a finished product.
Claims (4)
1. The treating agent for the printing and dyeing wastewater is characterized by comprising the following raw materials in parts by weight: 25-35 parts of polyacrylamide, 15-30 parts of polyaluminium chloride, 10-15 parts of active bentonite, 10-15 parts of diatomite, 10-20 parts of wheat bran, 15-25 parts of active carbon, 1-3 parts of polymeric ferric sulfate, 3-5 parts of calcium sulfate, 5-10 parts of a flocculating agent and 80-100 parts of deionized water.
2. The treatment agent for the printing and dyeing wastewater according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 30 parts of polyacrylamide, 25 parts of polyaluminium chloride, 10 parts of active bentonite, 10 parts of diatomite, 15 parts of wheat bran, 20 parts of active carbon, 1 part of polyferric sulfate, 3 parts of calcium sulfate, 10 parts of a flocculating agent and 80 parts of deionized water.
3. The treatment agent for treating printing and dyeing wastewater according to claim 1, wherein the diatomaceous earth is freshwater diatomaceous earth, seawater diatomaceous earth or a mixture of freshwater diatomaceous earth and seawater diatomaceous earth in any proportion.
4. A preparation method of a printing and dyeing wastewater treatment agent is characterized by comprising the following steps:
step 1: weighing wheat bran, drying and grinding to obtain wheat bran powder for later use;
step 2: adding polyacrylamide, polyaluminium chloride and half of deionized water, mixing and stirring, and simultaneously heating to obtain a chemical combination solution;
and step 3: after the compound solution obtained in the step 1 is cooled to a natural temperature, adding polymeric ferric sulfate and calcium sulfate into the compound obtained in the step 2, and mixing and stirring;
and 4, step 4: and (3) adding activated bentonite, diatomite, activated carbon, a flocculating agent and the wheat bran powder prepared in the step (1) into the solution obtained in the step (3), adding the rest deionized water, heating and uniformly stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377279.7A CN112429794A (en) | 2020-11-30 | 2020-11-30 | Printing and dyeing wastewater treatment agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377279.7A CN112429794A (en) | 2020-11-30 | 2020-11-30 | Printing and dyeing wastewater treatment agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429794A true CN112429794A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011377279.7A Withdrawn CN112429794A (en) | 2020-11-30 | 2020-11-30 | Printing and dyeing wastewater treatment agent and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112429794A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288996A (en) * | 2022-01-11 | 2022-04-08 | 三明医学科技职业学院 | Preparation method of printing and dyeing sewage treatment agent based on biomass |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117168A (en) * | 2017-12-29 | 2018-06-05 | 兰溪市哥特生物技术有限公司 | The purposes of water quality cleansing agent containing biological enzyme |
-
2020
- 2020-11-30 CN CN202011377279.7A patent/CN112429794A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117168A (en) * | 2017-12-29 | 2018-06-05 | 兰溪市哥特生物技术有限公司 | The purposes of water quality cleansing agent containing biological enzyme |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288996A (en) * | 2022-01-11 | 2022-04-08 | 三明医学科技职业学院 | Preparation method of printing and dyeing sewage treatment agent based on biomass |
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Application publication date: 20210302 |