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High temperature industrial wastewater treatment agent

A wastewater treatment agent and high-temperature industrial technology, applied in water/sewage treatment, biological water/sewage treatment, adsorption water/sewage treatment, etc., can solve the problems of increasing costs, and achieve low cost, excellent adsorption function, and high activity. Effect

Active Publication Date: 2020-08-28
重庆精创联合环保工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As we all know, when industrial wastewater is produced, it is often accompanied by high temperature. It can be seen that if the existing lipase is used to modify activated carbon, the modified activated carbon treatment agent prepared is still difficult to achieve excellent treatment effect in high-temperature wastewater. ; And if the industrial wastewater is cooled first, and then treated with activated carbon treatment agent, the cost of treatment will be greatly increased

Method used

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preparation example Construction

[0037] In the present embodiment, the preparation method of the high-temperature industrial wastewater treatment agent comprises the following steps:

[0038] (1) After mixing activated carbon, nano ferric oxide, lipase solution and tea polyphenols, adjust the pH of the mixture to 7.0, then place it in a shaker with a rotation speed of 150-155r / min, and treat 4- 5h;

[0039] (2) Add sodium humate and chitosan to the mixture obtained in step (1), after continuing to stir for 30-45min, add sepiolite powder, zeolite powder, medical stone powder, vermiculite, perlite, carboxymethyl Sodium starch starch and polyaluminum chloride are mixed and stirred for 1h-1.5h; the preparation method is simple and easy to operate, by first mixing lipase liquid with high temperature activity, tea polyphenols, activated carbon and nano ferric oxide, It is possible to introduce magnetic nano-ferric oxide into activated carbon, and at the same time introduce active groups on the surface of activated...

Embodiment 1

[0042] The high-temperature industrial wastewater treatment agent provided in this embodiment, the raw materials of the treatment agent include the following components in parts by weight: 20 parts of activated carbon, 10 parts of nano iron ferric oxide, 45 parts of lipase liquid, 5 parts of sepiolite powder, zeolite 5 parts of powder, 5 parts of medical stone powder, 5 parts of vermiculite, 5 parts of perlite, 10 parts of chitosan, 3 parts of sodium humate, 10 parts of sodium carboxymethyl starch, 8 parts of polyaluminum chloride, tea poly 0.5 parts of phenol;

[0043] Wherein, the lipase liquid is the lipase liquid secreted by Pseudomonas stutzeri, Pseudomonas aeruginosa and Aspergillus niger inoculated in the culture medium at a ratio of 1:1:2 for mixed fermentation; The total inoculum of Monomonas, Pseudomonas aeruginosa and Aspergillus niger is 10% of the medium volume of fermentation culture; the culture conditions are: the pH of the medium is 7.0, the culture temperatur...

Embodiment 2

[0061] The high-temperature industrial wastewater treatment agent provided in this embodiment, the raw materials of the treatment agent include the following components in parts by weight: 22 parts of activated carbon, 11 parts of nanometer ferric oxide, 48 parts of lipase liquid, 7 parts of sepiolite powder, zeolite 6 parts of powder, 6 parts of medical stone powder, 7 parts of vermiculite, 6 parts of perlite, 11 parts of chitosan, 4 parts of sodium humate, 11 parts of sodium carboxymethyl starch, 9 parts of polyaluminum chloride, tea poly 0.6 parts of phenol;

[0062] Wherein, the lipase liquid is the lipase liquid secreted by Pseudomonas stutzeri, Pseudomonas aeruginosa and Aspergillus niger inoculated in the culture medium at a ratio of 1:1:2 for mixed fermentation; The total inoculum amount of Monomonas, Pseudomonas aeruginosa and Aspergillus niger is 9% of the medium volume of fermentation culture; the culture conditions are: the pH of the medium is 7.2, the culture temp...

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Abstract

The invention provides a high-temperature industrial wastewater treatment agent. Raw materials of the treatment agent include, by weight, 20-25 parts of activated carbon, 10-12 parts of nanometer ferroferric oxide, 45-50 parts of a lipase solution, 5-8 parts of sepiolite powder, 5-8 parts of zeolite powder, 5-8 parts of maifanite powder, 5-8 parts of vermiculite, 5-8 parts of perlite, 10-12 partsof chitosan, 3-5 parts of sodium humate, 10-12 parts of sodium carboxymethyl starch, 8-10 parts of polyaluminum chloride and 0.5-0.7 part of tea polyphenol. The raw material components used for preparing the high-temperature industrial wastewater treatment agent are nontoxic and harmless, and do not cause secondary pollution after adsorption treatment, and are matched with a specific preparation method to realize the good mutual promotion and cooperation of all the raw material components, so the treatment agent synergistically performs an excellent water purification effect, and can well remove heavy metal ions and harmful organic substances from high-temperature industrial wastewater.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a high-temperature industrial wastewater treatment agent. Background technique [0002] With the development of the economy, there are more and more chemical plants in various places, the treatment of industrial sewage has become a hot spot of concern from all walks of life, and the use of activated carbon for adsorption treatment is a common treatment method, but the adsorption capacity of activated carbon for heavy metal ions and organic matter in wastewater is very high. Small, a large amount of activated carbon is used every time wastewater is treated, and the cost is high. In the prior art, lipase liquid secreted by bacteria can be used to modify activated carbon to increase the adsorption capacity of activated carbon for heavy metals and organic matter. However, the lipase used to modify activated carbon is temperature sensitive and will lose its activity at high t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34C02F1/28C02F1/42
CPCC02F1/281C02F1/283C02F1/42C02F3/342
Inventor 邱雪敏关伟李艳琼唐亮蒲章利张灿云张娇李伟
Owner 重庆精创联合环保工程有限公司
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