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Environment-friendly sewage treatment agent

A sewage treatment agent, an environmentally friendly technology, applied in water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., can solve frequent regeneration, single function, single pore size of diatomite, etc. problem, to achieve the effect of good treatment effect and small impact

Inactive Publication Date: 2016-04-20
HANGZHOU DAYE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, sewage treatment agents in the field of water treatment mainly include activated carbon, diatomaceous earth, activated silica gel, activated clay, polymer resin, etc., and their functions are relatively single. For example, polymer resin only acts on a specific pollutant factor. And requires frequent regeneration; single activated carbon highlights the adsorption of micropores, ignoring the role of other pores; diatomite pore size is too single

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] An environment-friendly sewage treatment agent, according to parts by weight, the composition ratio is as follows: 40 parts of activated carbon, 70 parts of bamboo charcoal, 15 parts of diatomite, 12 parts of attapulgite, 8 parts of montmorillonite, and 30 parts of polyaluminum iron , mass concentration is 5 parts of hydrogen peroxide of 20%.

[0061] Its preparation method, concrete steps are:

[0062] (1) Pulverize bamboo charcoal, diatomaceous earth, attapulgite, montmorillonite, and polyaluminum iron bismate to 200 mesh, and mix them uniformly to obtain the first mixed product;

[0063] (2) Grinding the activated carbon to 200 mesh, adding it to a hydrogen peroxide solution with a mass concentration of 20% and impregnating it for 7 hours. After the impregnation is completed, dry it at 90° C.;

[0064] (3) Mix the first mixed product with the modified activated carbon obtained in step (2) to obtain the product.

Embodiment 2

[0066] An environment-friendly sewage treatment agent, according to parts by weight, the composition ratio is as follows: 50 parts of activated carbon, 60 parts of bamboo charcoal, 16 parts of diatomite, 11 parts of attapulgite, 9 parts of montmorillonite, and 35 parts of polyaluminum iron , mass concentration is 8 parts of hydrogen peroxide of 15%.

[0067] Its preparation method, concrete steps are:

[0068] (1) Pulverize bamboo charcoal, diatomaceous earth, attapulgite, montmorillonite, and polyaluminum iron bismate to 200 mesh, and mix them uniformly to obtain the first mixed product;

[0069] (2) Grinding the activated carbon to 200 mesh, adding it to a hydrogen peroxide solution with a mass concentration of 15% and impregnating it for 10 hours. After the impregnation is completed, dry it at 120° C.;

[0070] (3) Mix the first mixed product with the modified activated carbon obtained in step (2) to obtain the product.

Embodiment 3

[0072] An environment-friendly sewage treatment agent, according to parts by weight, the composition ratio is as follows: 60 parts of activated carbon, 50 parts of bamboo charcoal, 17 parts of diatomite, 10 parts of attapulgite, 10 parts of montmorillonite, and 30 parts of polyaluminum iron , mass concentration is 6 parts of hydrogen peroxide of 25%.

[0073] Its preparation method, concrete steps are:

[0074] (1) Pulverize bamboo charcoal, diatomaceous earth, attapulgite, montmorillonite, and polyaluminum iron bismate to 200 mesh, and mix them uniformly to obtain the first mixed product;

[0075] (2) Grinding the activated carbon to 320 mesh, adding it to a hydrogen peroxide solution with a mass concentration of 25% and impregnating it for 4 hours, and drying it at 70° C. after the impregnation is completed;

[0076] (3) Mix the first mixed product with the modified activated carbon obtained in step (2) to obtain the product.

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Abstract

The invention discloses an environment-friendly sewage treatment agent. The environment-friendly sewage treatment agent is prepared from the following components in parts by weight: 30 to 80 parts of activated carbon, 30 to 80 parts of bamboo charcoal, 10 to 20 parts of diatomaceous earth, 10 to 15 parts of attapulgite, 5 to 12 parts of montmorillonite, and 25 to 45 parts of polyaluminum ferric chloride sulfate, wherein the activated carbon is obtained by modifying through a hydrogen peroxide solution. The sewage treatment agent disclosed by the invention has various components and is low in cost, can effectively remove suspended solids, insoluble particles, and partially water-soluble pollutants, and simultaneously, has a good adsorption effect on heavy metal ions and aniline substances in the sewage; the sewage treatment agent is simple in component, does not have toxicity, does not have an influence on an operator, and can be applied to treating various types industrial sewage; the treatment effect is good; particularly, the environment-friendly sewage treatment agent has a most prominent effect on chemical fiber wastewater; the discharge quality of the treated sewage far exceeds the existing discharging standard; after treatment, secondary pollution is avoided.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment agent. Background technique [0002] According to statistics, the discharge of sewage and wastewater in my country is not only large in scale, but also growing rapidly. From 2001 to 2012, the discharge of sewage and wastewater in my country increased from 43.29 billion tons to 68.54 billion tons, with an annual growth rate of 4.86%. Urban industrial wastewater and domestic sewage are the main targets of sewage treatment plants. The urban drainage system connects the natural cycle of water and the social cycle, and the sewage treatment plant balances the water quantity and quality of the water cycle. More than 80% of the urban sewage in the country is directly discharged to nearby water bodies without any effective collection and treatment. The industrial wastewater pollution in my country is serious, causing more than 80% of the...

Claims

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Application Information

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IPC IPC(8): C02F1/28C02F1/52C02F103/30
CPCC02F1/281C02F1/283C02F1/288C02F1/5236C02F2103/30
Inventor 葛海儒高雨晴孙正芳
Owner HANGZHOU DAYE ENVIRONMENTAL PROTECTION TECH CO LTD
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