CN108862638B - Environment-friendly water treatment gel and preparation method thereof - Google Patents
Environment-friendly water treatment gel and preparation method thereof Download PDFInfo
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- CN108862638B CN108862638B CN201810682686.5A CN201810682686A CN108862638B CN 108862638 B CN108862638 B CN 108862638B CN 201810682686 A CN201810682686 A CN 201810682686A CN 108862638 B CN108862638 B CN 108862638B
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
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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
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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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
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Abstract
The invention discloses an environment-friendly water treatment gel and a preparation method thereof, wherein the gel is prepared from the following raw materials in parts by weight: 200 portions of tetraethoxysilane 170, 10 to 16 portions of N-methylpyrrolidine, 10 to 14 portions of boric acid, 30 to 40 portions of acrylamide, 0.7 to 1 portion of initiator, 1 to 2 portions of divinylbenzene and 3 to 5 portions of aluminum sulfate. The water treatment agent disclosed by the invention is high in stability, not easy to decompose and good in flocculation property, and the added silica gel, aluminum sulfate, polyacrylamide and the like have good adsorption and purification effects and excellent comprehensive performance.
Description
Technical Field
The invention belongs to the field of water treatment gel, and particularly relates to environment-friendly water treatment gel and a preparation method thereof.
Background
Due to population growth and economic development, a series of problems affecting the quality of resources are generated by excessive mining and unreasonable development and utilization of the resources, and the problems directly threaten the survival of the people and the offspring and descendants; the sewage treatment technology has very important effects on the problems of water saving, energy saving and the like, but simultaneously, the sewage treatment agent also has certain influence on the environment in the using process. In cooling water systems, scaling of inorganic salts such as calcium carbonate can have serious consequences in various situations where the water temperature is higher than ambient temperature. In recent years, in the field of water treatment, water treatment technologies applying alkalinity without adjusting pH value are increasing, wherein corrosion and scale inhibition agents are added, the application of low-phosphorus and phosphorus-free formulas is more and more extensive, and phosphorus-free green water treatment agents become hot subjects in the research aspect of domestic and foreign water treatment agents. The water treatment agent is scientifically utilized, so that the corrosion and scaling can be effectively prevented, the utilization rate of equipment and water is improved, and the aim of saving water sources and energy sources is fulfilled;
at present, various methods such as physical, chemical, biological, comprehensive and the like exist for treating the water resource pollution problem, but the physical method mostly has the problems of poor treatment effect and unstable treatment rate; the biological method has high treatment cost and is not suitable for popularization and application; the sewage is treated by adopting a chemical method mostly, but the reagent components of the existing sewage treating agent have the problem of secondary pollution and have certain influence on the environment.
Disclosure of Invention
The invention aims to provide an environment-friendly water treatment gel and a preparation method thereof, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environment-friendly water treatment gel is composed of the following raw materials in parts by weight:
200 portions of tetraethoxysilane 170, 10 to 16 portions of N-methylpyrrolidine, 10 to 14 portions of boric acid, 30 to 40 portions of acrylamide, 0.7 to 1 portion of initiator, 1 to 2 portions of divinylbenzene and 3 to 5 portions of aluminum sulfate.
The initiator is dicumyl peroxide.
The preparation method of the environment-friendly water treatment gel comprises the following steps:
(1) adding an initiator into methanol 65-70 times of the weight of the initiator, and uniformly stirring;
(2) mixing aluminum sulfate and ethyl orthosilicate, adding the mixture into deionized water with the weight 17-20 times that of the mixture, and stirring for reaction for 3-5 hours to obtain a sol solution;
(3) adding N-methylpyrrolidine into the sol solution, stirring uniformly, adding boric acid, keeping the temperature at 80-90 ℃, stirring for 2-3 hours, and cooling to normal temperature to obtain a borate modified sol solution;
(4) adding acrylamide into the borate modified sol solution, uniformly stirring, raising the temperature to 55-60 ℃, adding divinylbenzene, keeping the temperature and stirring for 1-2 hours to obtain a modified monomer sol solution;
(5) and (3) feeding the modified monomer sol solution into a reaction kettle, adding a methanol solution of the initiator, adjusting the temperature of the reaction kettle to be 150-160 ℃, carrying out heat preservation stirring for 10-13 hours, introducing nitrogen, reducing the temperature of the reaction kettle to be 50-70 ℃, carrying out heat preservation stirring for 4-6 hours, discharging, cooling, carrying out suction filtration, washing a filter cake with water, drying at 85-90 ℃ for 1-2 hours in vacuum, and cooling to normal temperature to obtain the environment-friendly water treatment gel.
The invention has the advantages that:
the water treatment agent is high in stability, not easy to decompose and good in flocculation property, and added silica gel, aluminum sulfate, polyacrylamide and the like have good adsorption and purification effects and excellent comprehensive performance.
Detailed Description
Example 1
An environment-friendly water treatment gel is composed of the following raw materials in parts by weight:
170 parts of tetraethoxysilane, 10 parts of N-methylpyrrolidine, 10 parts of boric acid, 30 parts of acrylamide, 0.7 part of initiator, 1 part of divinylbenzene and 3 parts of aluminum sulfate.
The initiator is dicumyl peroxide.
The preparation method of the environment-friendly water treatment gel comprises the following steps:
(1) adding an initiator into methanol 65 times of the weight of the initiator, and uniformly stirring;
(2) mixing aluminum sulfate and ethyl orthosilicate, adding the mixture into deionized water with the weight 17 times that of the mixture, and stirring and reacting for 3 hours to obtain a sol solution;
(3) adding N-methylpyrrolidine into the sol solution, uniformly stirring, adding boric acid, keeping the temperature at 80 ℃, stirring for 2 hours, and cooling to normal temperature to obtain a borate modified sol solution;
(4) adding acrylamide into the borate modified sol solution, uniformly stirring, raising the temperature to 55 ℃, adding divinylbenzene, and keeping the temperature and stirring for 1 hour to obtain a modified monomer sol solution;
(5) and (2) feeding the modified monomer sol solution into a reaction kettle, adding a methanol solution of the initiator, adjusting the temperature of the reaction kettle to be 150 ℃, keeping the temperature and stirring for 10 hours, introducing nitrogen, reducing the temperature of the reaction kettle to be 50 ℃, keeping the temperature and stirring for 4 hours, discharging, cooling, performing suction filtration, washing a filter cake, drying at 85 ℃ in vacuum for 1 hour, and cooling to normal temperature to obtain the environment-friendly water treatment gel.
Example 2
An environment-friendly water treatment gel is composed of the following raw materials in parts by weight:
200 parts of tetraethoxysilane, 16 parts of N-methylpyrrolidine, 14 parts of boric acid, 40 parts of acrylamide, 1 part of initiator, 2 parts of divinylbenzene and 5 parts of aluminum sulfate.
The initiator is dicumyl peroxide.
The preparation method of the environment-friendly water treatment gel comprises the following steps:
(1) adding an initiator into methanol with the weight of 70 times that of the initiator, and uniformly stirring;
(2) mixing aluminum sulfate and ethyl orthosilicate, adding the mixture into deionized water with the weight being 20 times that of the mixture, and stirring and reacting for 5 hours to obtain a sol solution;
(3) adding N-methylpyrrolidine into the sol solution, uniformly stirring, adding boric acid, keeping the temperature at 90 ℃, stirring for 3 hours, and cooling to normal temperature to obtain a borate modified sol solution;
(4) adding acrylamide into the borate modified sol solution, uniformly stirring, raising the temperature to 60 ℃, adding divinylbenzene, and keeping the temperature and stirring for 2 hours to obtain a modified monomer sol solution;
(5) and (2) feeding the modified monomer sol solution into a reaction kettle, adding a methanol solution of the initiator, adjusting the temperature of the reaction kettle to 160 ℃, keeping the temperature and stirring for 13 hours, introducing nitrogen, reducing the temperature of the reaction kettle to 70 ℃, keeping the temperature and stirring for 6 hours, discharging, cooling, performing suction filtration, washing a filter cake, drying at 90 ℃ in vacuum for 2 hours, and cooling to normal temperature to obtain the environment-friendly water treatment gel.
And (3) performance testing:
initial sewage: COD average value is 7331mg/l, turbidity is 737 NTU;
the detection is carried out by adopting a method specified by Hash instrument standard, after the treatment gel of the embodiment 1 and the embodiment 2 of the invention and the commercially available common water pollution treatment agent are respectively treated, the average COD values of the obtained water are respectively 144mg/l, 130mg/l and 1021mg/l, and the turbidity is respectively 2.4NTU, 2.2NTU and 8.3 NTU;
compared with the traditional water treatment agent, the sewage treatment agent disclosed by the invention has a better treatment effect.
Claims (2)
1. An environment-friendly water treatment gel is characterized by comprising the following raw materials in parts by weight:
200 portions of tetraethoxysilane 170, 10 to 16 portions of N-methylpyrrolidine, 10 to 14 portions of boric acid, 30 to 40 portions of acrylamide, 0.7 to 1 portion of initiator, 1 to 2 portions of divinylbenzene and 3 to 5 portions of aluminum sulfate;
the preparation method of the environment-friendly water treatment gel comprises the following steps:
(1) adding an initiator into methanol 65-70 times of the weight of the initiator, and uniformly stirring;
(2) mixing aluminum sulfate and ethyl orthosilicate, adding the mixture into deionized water with the weight 17-20 times that of the mixture, and stirring for reaction for 3-5 hours to obtain a sol solution;
(3) adding N-methylpyrrolidine into the sol solution, stirring uniformly, adding boric acid, keeping the temperature at 80-90 ℃, stirring for 2-3 hours, and cooling to normal temperature to obtain a borate modified sol solution;
(4) adding acrylamide into the borate modified sol solution, uniformly stirring, raising the temperature to 55-60 ℃, adding divinylbenzene, keeping the temperature and stirring for 1-2 hours to obtain a modified monomer sol solution;
(5) and (3) feeding the modified monomer sol solution into a reaction kettle, adding a methanol solution of the initiator, adjusting the temperature of the reaction kettle to be 150-160 ℃, carrying out heat preservation stirring for 10-13 hours, introducing nitrogen, reducing the temperature of the reaction kettle to be 50-70 ℃, carrying out heat preservation stirring for 4-6 hours, discharging, cooling, carrying out suction filtration, washing a filter cake with water, drying at 85-90 ℃ for 1-2 hours in vacuum, and cooling to normal temperature to obtain the environment-friendly water treatment gel.
2. The environmentally friendly water treatment gel as claimed in claim 1, wherein the initiator is dicumyl peroxide.
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| CN201810682686.5A CN108862638B (en) | 2018-06-27 | 2018-06-27 | Environment-friendly water treatment gel and preparation method thereof |
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| CN108862638B true CN108862638B (en) | 2021-10-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855118A (en) * | 2017-12-12 | 2018-03-30 | 成都育芽科技有限公司 | A kind of environment-friendly dye sewage-treating agent and preparation method thereof |
| CN107892408A (en) * | 2017-10-10 | 2018-04-10 | 华北理工大学 | A kind of farmland agricultural chemicals waste water purification method |
| CN108014756A (en) * | 2017-12-12 | 2018-05-11 | 成都育芽科技有限公司 | A kind of macroporous absorption type water pollution inorganic agent and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892408A (en) * | 2017-10-10 | 2018-04-10 | 华北理工大学 | A kind of farmland agricultural chemicals waste water purification method |
| CN107855118A (en) * | 2017-12-12 | 2018-03-30 | 成都育芽科技有限公司 | A kind of environment-friendly dye sewage-treating agent and preparation method thereof |
| CN108014756A (en) * | 2017-12-12 | 2018-05-11 | 成都育芽科技有限公司 | A kind of macroporous absorption type water pollution inorganic agent and preparation method thereof |
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