Environment-friendly heavy metal wastewater treating agent and preparation method thereof

A wastewater treatment agent and heavy metal technology, which is applied in the field of water treatment, can solve the problems of hindering the COD treatment, the reduction of survival rate and utility, and the difficulty of controlling the end point, so as to achieve the reduction of effectiveness and migration activity, fast reaction speed and inhibition Effects of enrichment and transport

Inactive Publication Date: 2018-03-13
GUILIN AONISITE ENERGY SAVING & ENVIRONMENT PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing heavy metal wastewater mostly contains: heavy metal ions such as copper, chromium, cadmium, zinc, nickel, etc., and the treatment agent mostly uses sodium sulfide as the main liquid substance. The sulfur exceeds the standard, and the odor increases
And for the water treatment system that needs to reduce the COD biochemical system, the addition of a large amount of sulfur will greatly reduce the survival rate and effectiveness of the bacteria in the biochemical process, which seriously hinders the standard treatment of COD
In addition to the impact on the COD treatment effect, its excessive discharge will also cause great harm to the external water body.

Method used

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  • Environment-friendly heavy metal wastewater treating agent and preparation method thereof
  • Environment-friendly heavy metal wastewater treating agent and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0014] An environmentally friendly heavy metal wastewater treatment agent, comprising the following components by weight: 100 parts by weight of the water, 40 parts by weight of the β-cyclodextrin, 30 parts by weight of the plant polyphenol, and 30 parts by weight of the polyacrylic acid Sodium is 20 parts by weight, the calcium hypochlorite is 10 parts by weight, the organosilicon is 10 parts by weight, the dipotassium hydrogen phosphate is 2 parts by weight, the magnesium hydroxide is 2 parts by weight, the oxidation The amount of iron is 1 part by weight, the sodium sulfate is 1 part by weight, the chitosan is 1 part by weight, and the epichlorohydrin is 0.5 part by weight.

Embodiment 2

[0016] An environmentally friendly heavy metal wastewater treatment agent, comprising the following components by weight: 105 parts by weight of the water, 45 parts by weight of the β-cyclodextrin, 35 parts by weight of the plant polyphenol, and 35 parts by weight of the polyacrylic acid Sodium is 25 parts by weight, the calcium hypochlorite is 13 parts by weight, the organosilicon is 13 parts by weight, the dipotassium hydrogen phosphate is 4 parts by weight, the magnesium hydroxide is 4 parts by weight, the oxidation The iron is 2 parts by weight, the sodium sulfate is 2 parts by weight, the chitosan is 2 parts by weight, and the epichlorohydrin is 1 part by weight.

Embodiment 3

[0018] An environmentally friendly heavy metal wastewater treatment agent, comprising the following components by weight: 110 parts by weight of the water, 50 parts by weight of the β-cyclodextrin, 40 parts by weight of the plant polyphenol, and 40 parts by weight of the polyacrylic acid Sodium is 30 parts by weight, the calcium hypochlorite is 16 parts by weight, the organosilicon is 16 parts by weight, the dipotassium hydrogen phosphate is 6 parts by weight, the magnesium hydroxide is 6 parts by weight, the oxidation The iron is 3 parts by weight, the sodium sulfate is 3 parts by weight, the chitosan is 3 parts by weight, and the epichlorohydrin is 1.5 parts by weight.

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PUM

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Abstract

The invention relates to an environment-friendly heavy metal wastewater treatment agent and a preparation method thereof, comprising: water, β-cyclodextrin, plant polyphenols, sodium polyacrylate, calcium hypochlorite, organic silicon, dipotassium hydrogen phosphate, magnesium hydroxide, Iron oxide, sodium sulfate, chitosan, epichlorohydrin. The environmental-friendly heavy metal wastewater treatment agent of the present invention has fast reaction speed, high stability in the reagent treatment process, good solid-liquid separation effect, and can promote the transformation of heavy metals from a high bioavailable state to a low bioavailable state, thereby reducing the effective concentration of heavy metals in water bodies. It can also effectively inhibit the accumulation and transfer of heavy metals in crops, and reduce the toxicity of heavy metals.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to an environment-friendly heavy metal wastewater treatment agent and a preparation method thereof. Background technique [0002] Existing heavy metal wastewater mostly contains: heavy metal ions such as copper, chromium, cadmium, zinc, nickel, etc., and the treatment agent mostly uses sodium sulfide as the main liquid substance. Due to the large amount of sulfur added, and the control of the end point is very difficult, resulting in The sulfur exceeds the standard, and the odor increases. And for the water treatment system that needs to reduce the COD biochemical system, the addition of a large amount of sulfur will greatly reduce the survival rate and effectiveness of the bacteria in the biochemical process, which seriously hinders the standard treatment of COD. In addition to the impact on the COD treatment effect, its excessive discharge will also cause grea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/62
CPCC02F1/62
Inventor 郑波何星基何星存
Owner GUILIN AONISITE ENERGY SAVING & ENVIRONMENT PROTECTION TECH
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