Environment-friendly dust depressor and preparation method thereof

A dust suppressant, an environmentally friendly technology, applied in the field of environmental pollution control, can solve the problems of low moisture retention rate, short dust suppression time of dust suppressant, etc., and achieve the effects of low surface tension, increased solubility, and improved solution viscosity

Inactive Publication Date: 2018-12-28
FOSHAN CHANCHENG DISTRICT NUOGAO ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an environment-friendly dust suppressant and its preparation method in view of the problems of short dust suppression time and low moisture retention rate of current dust suppressants

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0025] The preparation method of water-absorbing active agent is:

[0026] (1) Take acrylic acid and add deionized water according to the mass ratio of 2~5:10~15, stir and mix at 30~40°C for 20~30min, then add dropwise 10~20% of the mass of acrylic acid and 20% sodium hydroxide solution to obtain a mixed solution, take the mixed solution and add acrylamide and polyethylene glycol diacrylamide at a mass ratio of 10~20:3~5:2~6, heat up to 40~50°C and stir and mix for 1~3h to obtain a stirred mixture ,spare;

[0027] (2) Take konjac powder according to the mass ratio of 1~3:10~15, add citric acid solution with a mass fraction of 5%, stir and mix at 55~60°C for 60~80min, let stand for 50~60min, then add konjac powder 10~20 times the mass fraction of ethanol with a mass fraction of 80%, suction filtration, take the suction filter residue and dry to obtain a dry product, take sodium hydroxide and add absolute ethanol at a mass ratio of 2~5:80~100, stir and mix for 5~10min , add 2~...

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Abstract

The invention discloses an environment-friendly dust depressor and a preparation method thereof and belongs to the field of environmental pollution treatment. During preparation of a water-absorbing activator, konjac powder is purified by a citric acid solution, so that the solubility is increased, the solution viscosity is increased, and stable swelling in the water absorbing process is guaranteed. Acrylic acid and acrylamide are used as functional monomers to form a gel network of the water-absorbing activator, so that moisture molecules in the structure cannot separate and leave, the moisture absorbing amount from the air or other ways is increased, and dust depression can be realized effectively. A wetting activator is prepared from allyl alcohol polyether and others raw materials, theadsorption performance of the water-absorbing activator with dust is improved, and the contact area is increased; a kelp homogenate and polyvinyl alcohol are used as a film-forming activator, the scouring resistance of a formed film is improved, and a film-forming substance can be biodegraded and cannot cause secondary pollution to the environment. The problems of short dust depression time and low moisture retention efficiency of existing dust depressors are solved.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution control, and relates to an environment-friendly dust suppressant and a preparation method thereof. Background technique [0002] Particulate matter pollution has a wide range of influences on urban air quality in my country, and it is the primary factor of air pollution in most cities. The general prevention and control measures for open dust sources at home and abroad mainly include sprinkling water for dust suppression, covering with thatch for dust suppression, setting up windshield walls for dust suppression, building closed structures, and chemical dust suppression. Sprinkling water to suppress dust not only causes a lot of waste of water resources, but also due to the high temperature in summer and fast evaporation in northern China (generally, one spray can only last about 10 minutes), while the temperature in winter is low and easy to freeze, so its practical application is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/22C08F291/06C08F220/06C08F220/56C08B37/00
CPCC08B37/009C08F251/00C08F283/065C09K3/22
Inventor 胡次兵路芸卢星
Owner FOSHAN CHANCHENG DISTRICT NUOGAO ENVIRONMENTAL PROTECTION TECH CO LTD
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