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Composite water treatment agent used for treating industrial waste acid and production method of composite water treatment agent used for treating industrial waste acid

A technology for industrial waste acid and water treatment, applied in water/sewage treatment, neutralized water/sewage treatment, adsorption water/sewage treatment, etc. Achieve good solid-liquid separation performance, easy removal, and good effluent quality.

Active Publication Date: 2019-10-25
合山市春旭环保科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a compound water treatment agent and its compound water treatment agent for industrial waste acid treatment in view of the large consumption of alkali substances in the acid-base neutralization treatment method in industrial waste acid and the unsatisfactory treatment effect of industrial waste acid. The preparation method, the composite water treatment agent prepared by the present invention has stable properties, good treatment effect, greatly reduces the dosage of the composite water treatment agent, and the treatment method is simple

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  • Composite water treatment agent used for treating industrial waste acid and production method of composite water treatment agent used for treating industrial waste acid

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Effect test

Embodiment 1

[0023] In this embodiment, the components of the composite water treatment agent and their weight-to-number ratios are: 18 parts of carbide slag, 16 parts of shell powder, 14 parts of plant ash, 14 parts of polyacrylamide, 6 parts of alkyl betaine, and Gemini quaternary ammonium salt 2 parts, 6 parts of coupling agent, 4 parts of sodium lignosulfonate, 4 parts of sodium stearate, 3 parts of polyethylene wax.

[0024] In this embodiment, the method for preparing a composite water treatment agent for industrial waste acid treatment comprises the following steps:

[0025] Step 1) Preparation of modified plant ash: Take 14 parts of plant ash and add it to a sodium hydroxide solution with a concentration of 2.5mon / L, carry out alkalization treatment at 200°C for 60min, then rinse with distilled water to remove impurities, and then put it under 50°C Carry out vacuum drying to constant weight, pulverize into 40-mesh powder, and then stir evenly with 1 part of silane coupling agent to...

Embodiment 2

[0029] In this embodiment, the components of the composite water treatment agent and their weight / number ratios are: 20 parts of carbide slag, 20 parts of shell powder, 16 parts of plant ash, 16 parts of polyacrylamide, 8 parts of alkyl betaine, 3 parts of dimethyl benzyl ammonium chloride, 8 parts of coupling agent, 5 parts of sodium lignosulfonate, 6 parts of sodium stearate, and 5 parts of polyethylene wax.

[0030] In this embodiment, the method for preparing a composite water treatment agent for industrial waste acid treatment comprises the following steps:

[0031]Step 1) Preparation of modified plant ash: Take 16 parts of plant ash and add it to a sodium hydroxide solution with a concentration of 2.5mon / L, carry out alkalization treatment at 250°C for 90min, then rinse with distilled water to remove impurities, and then heat it at 55°C Carry out vacuum drying to constant weight, pulverize into 60-mesh powder, and then stir evenly with 2 parts of titanate coupling agent ...

Embodiment 3

[0035] In this embodiment, the components of the composite water treatment agent and their weight / number ratios are: 18.5 parts of carbide slag, 19 parts of shell powder, 14.5 parts of plant ash, 15 parts of polyacrylamide, 7 parts of alkyl betaine, and Gemini quaternary ammonium salt 2.5 parts, 7.5 parts of coupling agent, 5 parts of sodium lignosulfonate, 4.5 parts of sodium stearate, 3.5 parts of polyethylene wax.

[0036] In this embodiment, the method for preparing a composite water treatment agent for industrial waste acid treatment comprises the following steps:

[0037] Step 1) Preparation of modified plant ash: Take 14.5 parts of plant ash and add it to a sodium hydroxide solution with a concentration of 2.5mon / L, carry out alkalization treatment at 230°C for 70min, then rinse with distilled water to remove impurities, and then heat it at 52°C Carry out vacuum drying to constant weight, pulverize into 45 mesh powder, and then mix with 1.5 parts of aluminate coupling a...

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Abstract

The invention discloses a composite water treatment agent used for treating industrial waste acid. The composite water treatment agent used for treating the industrial waste acid comprises the components: carbide slag, shell powder, plant ash, polyacrylamide, lauryl betaine, a quaternary ammonium salt, a coupling agent, sodium lignin sulfonate, sodium stearate and polyethylene wax. A production method of the composite water treatment agent used for treating the industrial waste acid comprises the following steps of (1) producing modified plant ash, wherein after a sodium hydroxide solution isadopted for conducting alkaline treatment and purification on plant ash, an obtained mixture and the coupling agent are stirred evenly to produce the modified plant ash; (2) conducting pre-treatment on a mixture, wherein high-temperature calcining is conducted on the carbide slag and the shell powder, then an obtained mixture, the sodium stearate, the polyethylene wax and the coupling agent are stirred and mixed to produce a pre-treated mixture; and (3) producing the composite water treatment agent, wherein the produced modified plant ash, the produced pre-treated mixture, the polyacrylamide,the quaternary ammonium salt, the lauryl betaine and the sodium lignin sulfonate are dried after being subjected to a stirring reaction, and grinding is conducted to obtain the composite water treatment agent.

Description

technical field [0001] The invention belongs to the technical field of industrial waste acid treatment, and in particular relates to a composite water treatment agent for industrial waste acid treatment and a preparation method thereof. Background technique [0002] In the chemical industry, it is usually necessary to use acids as reaction raw materials, media or catalysts. After the reaction and washing treatment, a lot of industrial waste acid is usually produced. Such as sulfuric acid titanium dioxide, waste sulfuric acid and waste electrolyte produced by hydrometallurgy (electrolysis) industries; waste hydrochloric acid in titanium tetrachloride, titanium dioxide chloride, sponge titanium and chlor-alkali industries; electroplating, Waste sulfuric acid, waste sulfuric acid / hydrochloric acid mixed acid, waste hydrochloric acid / waste nitric acid mixed acid produced in the pickling process; waste phosphoric acid produced in the phosphorus chemical industry, etc. These indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F1/50C02F1/56C02F1/66
CPCC02F1/281C02F1/285C02F1/286C02F1/288C02F1/66C02F1/283C02F1/56C02F1/50
Inventor 韦明
Owner 合山市春旭环保科技有限责任公司
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