Industrial sewage treatment adsorbent

An industrial sewage and adsorbent technology, which is applied in water/sewage treatment, adsorbed water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of complex regeneration, difficult to use on a large scale, and expensive activated carbon. Good formability, low cost and considerable economic benefits

Inactive Publication Date: 2017-06-13
安徽其霖环境工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Activated carbon is difficult to use on a large scale due to its high price and complex regeneration.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An adsorbent for industrial sewage treatment, its raw materials include by weight: 30 parts of attapulgite, 40 parts of clay, 20 parts of expanded graphite cyclodextrin compound, 18 parts of bamboo charcoal, 10 parts of carbon nanotubes, 10 parts of loofah, 8 parts of adhesive, 35 parts of flocculant, 3 parts of oxidative fungicide.

Embodiment 2

[0020] An industrial sewage treatment adsorbent, its raw materials include by weight: 40 parts of attapulgite, 30 parts of clay, 30 parts of expanded graphite cyclodextrin compound, 10 parts of bamboo charcoal, 20 parts of carbon nanotubes, 5 parts of loofah, 18 parts of binder, 20 parts of flocculant, 5 parts of oxidative fungicide.

[0021] The expanded graphite cyclodextrin compound is prepared by the following process: mix and stir expanded graphite and water, adjust the temperature, add sodium hydroxide, urea and rice husk fiber to stir, cool down, keep warm, heat up, add sulfuric acid solution to adjust the pH value of the system to a Neutral, filter, wash with water, dry, pulverize, then immerse in silica suspension and stir, spray dry, add β-cyclodextrin, sodium hydroxide, pyridine, mix and stir, add succinic anhydride, adjust temperature, stir, add Dimethylformamide yields expanded graphitic cyclodextrin complexes.

Embodiment 3

[0023] An adsorbent for industrial sewage treatment, its raw materials include by weight: 28 parts of attapulgite, 32 parts of pottery clay, 25 parts of expanded graphite cyclodextrin compound, 12 parts of bamboo charcoal, 18 parts of carbon nanotubes, 6 parts of loofah, 16 parts of sodium carboxymethyl cellulose, 24 parts of calcium polyacrylate, 4.6 parts of oxidative fungicide.

[0024] The expanded graphite cyclodextrin compound is prepared by the following process: 20 parts by weight of expanded graphite and 400 parts of water are mixed and stirred for 40 minutes, the stirring speed is 1000 r / min, the temperature is adjusted to 2 °C, 35 parts of sodium hydroxide, 4 parts of Stir urea and 60 parts of rice husk fiber for 55 minutes, cool down to -25°C, keep warm for 1 hour, heat up to 45°C, add sulfuric acid solution to adjust the pH value of the system to neutral, filter, wash with water, dry, crush, and then immerse at a concentration of 1wt % of the silica suspension was...

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Abstract

The invention discloses an industrial sewage treatment adsorbent. The industrial sewage treatment adsorbent comprises the following raw materials in parts by weight: 30-40 parts of attapulgite, 30-40 parts of argil, 20-30 parts of expanded graphite cyclodextrin compound, 10-18 parts of bamboo charcoal, 10-20 parts of carbon nanotube, 5-10 parts of retinervus luffae fructus, 8-18 parts of adhesive, 20-35 parts of flocculant and 3-5 parts of oxidizing bactericide. According to the invention, industrial sewage treatment is performed by means of the attapulgite clay; and the industrial sewage treatment adsorbent can adsorb wastewater containing heavy metal, is high in effect and low in cost, and achieves considerable economic benefits.

Description

technical field [0001] The invention relates to the technical field of adsorbents, in particular to an adsorbent for industrial sewage treatment. Background technique [0002] With the development of the economy, there are more and more chemical plants in various places, and the treatment of industrial wastewater has become a hot spot of concern from all walks of life. At present, the common technology for industrial wastewater treatment is activated carbon adsorption. Activated carbon is difficult to use on a large scale due to its high price and complex regeneration. Natural attapulgite clay is a silicate clay mineral that widely exists in nature. It has a special octahedral structure and high cation exchange and physical adsorption capacity. It has a layer-chain microstructure, elongated fibers, and channels. Many, large surface area, more and more attention in recent years. At present, the development and application of attapulgite clay in China, especially the use of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F1/52C02F1/50
CPCC02F1/28C02F1/281C02F1/283C02F1/50C02F1/52C02F1/5236C02F1/5245
Inventor 吴冬胜刘学林张祥杨继凡朱荣
Owner 安徽其霖环境工程技术有限公司
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