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Adsorbent for treating lead-containing wastewater and preparation method thereof

An adsorbent and wastewater technology, which is applied in water/sewage treatment, chemical instruments and methods, adsorbed water/sewage treatment, etc., can solve the problems of high operating cost, inability to be widely used, and expensive adsorbent materials, and achieve low manufacturing costs. , easy to use effect

Inactive Publication Date: 2018-11-13
BEIJING SOUND ENVIRONMENTAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, for some adsorption materials, although they have excellent adsorption capacity and ion exchange capacity, they cannot achieve the ideal treatment effect, so the preparation of new materials has become the research focus of many scientific researchers; on the other hand, some adsorption materials It cannot be widely used due to factors such as high price and high operating cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An adsorbent for treating lead-containing waste water is mainly composed of the following components in parts by weight: 1 part of brown algae powder, 3 parts of glauconite powder, 3 parts of magnesite powder, 3 parts of bauxite, (3-mercapto Propyl)triethoxysilane 0.6 part, chitosan 1 part, modified polycarboxylate 1 part, barite powder 2 parts, polymer binder 10 parts, quartz wool 60 parts.

[0026] Wherein, the particle size of the glauconite powder is 1 micron, and the glauconite powder can effectively remove ionic metal ions in water. The particle size of the magnesite powder is 1 micron, and the magnesite powder has better surface adsorption performance. The polymer binder is selected from polyethylene glycol, polylactic acid and polyvinyl alcohol. The modified polycarboxylate is modified polycarboxylate XT-2000. The particle size of the barite powder is 1 micron.

[0027] The preparation method of the adsorbent for the treatment of lead-containing wastewater is...

Embodiment 2

[0035] An adsorbent for treating lead-containing waste water is mainly composed of the following components in parts by weight: 4.5 parts of brown algae powder, 6.5 parts of glauconite powder, 4 parts of magnesite powder, 9 parts of bauxite, (3-mercapto Propyl) triethoxysilane 2.3 parts, chitosan 5.5 parts, modified polycarboxylate 2.5 parts, barite powder 6 parts, polymer binder 30 parts, quartz wool 80 parts.

[0036] Wherein, the particle size of the glauconite powder is 25 microns, and the glauconite powder can effectively remove ionic metal ions in water. The particle size of the magnesite powder is 25 microns, and the magnesite powder has good surface adsorption performance. The polymer binder is selected from polyethylene glycol, polylactic acid and polyvinyl alcohol. The modified polycarboxylate is modified polycarboxylate XT-2000. The particle size of the barite powder is 25 microns.

[0037] The preparation method of the adsorbent for the treatment of lead-contain...

Embodiment 3

[0045]An adsorbent for treating lead-containing waste water is mainly composed of the following components in parts by weight: 8 parts of brown algae powder, 10 parts of glauconite powder, 5 parts of magnesite powder, 15 parts of bauxite, (3-mercapto Propyl) triethoxysilane 4 parts, chitosan 10 parts, modified polycarboxylate 4 parts, barite powder 10 parts, polymer binder 50 parts, quartz wool 100 parts.

[0046] Wherein, the particle size of the glauconite powder is 50 microns, and the glauconite powder can effectively remove ionic metal ions in water. The particle size of the magnesite powder is 50 microns, and the magnesite powder has good surface adsorption performance. The polymer binder is selected from polyethylene glycol, polylactic acid and polyvinyl alcohol. The modified polycarboxylate is modified polycarboxylate XT-2000. The particle size of the barite powder is 50 microns.

[0047] The preparation method of the adsorbent for the treatment of lead-containing wa...

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Abstract

The invention discloses an adsorbent for treating lead-containing wastewater and a preparation method thereof. The adsorbent is mainly composed of, by weight, 1-8 parts of brown alga powder, 3-10 parts of glauconite powder, 3-5 parts of magnesite powder, 3-15 parts of bauxite, 0.6-4 parts of (3-mercaptopropyl) triethyoxy silane, 1-10 parts of chitosan, 1-4 parts of modified polycarboxylate, 2-10 parts of barite powder, 10-50 parts of polymer binder, 60-100 parts of quartz wool, 5-20 parts of buckwheat powder and 0.3-5 parts of titanium isopropanol. When adsorbent granules prepared from brown alga powder, glauconite powder, magnesite powder, bauxite, (3-mercaptopropyl) triethyoxy silane, chitosan,,polymer binder, buckwheat powder and titanium isopropanol are put into lead-containing water, the adsorbent granules can effectively adsorb lead and are free of environment pollution; the adsorbent is low in manufacturing cost and convenient to use.

Description

technical field [0001] The invention relates to the technical field of flue gas desulfurization, in particular to an adsorbent for treating lead-containing wastewater and a preparation method thereof. Background technique [0002] Due to the development of modern industry and human activities, heavy metal pollution has become increasingly serious around the world, and heavy metal pollution incidents have also occurred frequently in my country, such as blood lead poisoning and cadmium rice pollution incidents. Heavy metals represented by lead are a class of toxic elements that can accumulate in organisms. After entering the environment, they will accumulate and enrich in the biological chain, and cannot be biodegraded. They can remain latent in the environment for a long time and enter the human body along with the food chain. Seriously endanger life and health. With the development of social economy, heavy metal pollution has been widely taken seriously. At present, the rem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/26B01J20/28B01J20/30C02F1/28C02F1/62
CPCB01J20/043B01J20/045B01J20/08B01J20/103B01J20/12B01J20/22B01J20/223B01J20/24B01J20/262B01J20/2803C02F1/288
Inventor 孙家君刘希强钮文涛皮珍军
Owner BEIJING SOUND ENVIRONMENTAL ENG
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