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A kind of aluminum processing waste emulsion demulsifier and preparation method thereof

A technology of waste emulsion and demulsifier, which is applied in the field of water treatment, can solve the problems of poor demulsification effect of chemicals, and achieve the effect of good demulsification effect and simple formula.

Active Publication Date: 2021-12-07
ZHENGZHOU HENGBO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of poor drug demulsification effect in the above prior art, the present invention provides a demulsifier for aluminum processing waste emulsion and its preparation method

Method used

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preparation example Construction

[0021] The preparation method of the described aluminum processing waste emulsion demulsifier consists of the following steps:

[0022] (1) Configuration of component A: Dissolve ferric chloride in water so that the mass concentration of ferric chloride is 18-21%, fill it into storage tank A for storage;

[0023] (2) Configuration of component B: Fill the hydrogen peroxide aqueous solution into storage tank B for storage;

[0024] (3) Configuration of Component C: Dissolve formic acid in the remaining water and package it in storage tank C for storage; the remaining water here is the total water consumption minus the water consumption in Component A.

[0025] (4) Compounding and mixing: Mix component A, component B and component C, and after stirring evenly, the demulsifier of aluminum processing waste emulsion can be obtained.

[0026] The raw materials of the present invention are all industrial-grade commercially available products, and the code name of the demulsifier of ...

Embodiment 1

[0032] A kind of demulsifier of aluminum processing waste emulsion, compounded by the raw materials of following percentage by weight: ferric trichloride 6%, formic acid 4%, hydrogen peroxide aqueous solution 10%, the rest is water; Wherein the mass concentration of hydrogen peroxide in hydrogen peroxide aqueous solution is 30%.

[0033] The preparation method of the described aluminum processing waste emulsion demulsifier consists of the following steps:

[0034] (1) Configuration of component A: Dissolve ferric chloride in water with a mass concentration of 21%, seal and stir evenly at room temperature, fill it into storage tank A for storage;

[0035] (2) Configuration of component B: Fill hydrogen peroxide solution into storage tank B for storage;

[0036] (3) Configuration of component C: Dissolve formic acid in the remaining water, pack it into storage tank C for storage;

[0037] (4) Compounding and mixing: Mix component A, component B and component C according to the...

Embodiment 2

[0040] The difference with embodiment 1 is:

[0041] A kind of demulsifier of aluminum processing waste emulsion, compounded by the following raw materials in weight percentage: 6% ferric chloride, 4.5% formic acid, 9% hydrogen peroxide solution, and the rest is water; wherein the mass concentration of hydrogen peroxide in the hydrogen peroxide solution is 28%.

[0042] The mixing ratio of component A, component B and component C is 1:1:1.

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Abstract

The invention discloses an aluminum processing waste emulsion demulsifier and a preparation method thereof, which is compounded from the following raw materials in weight percentage: 6-7 ferric chloride, 9-11 hydrogen peroxide aqueous solution, 4-5 formic acid, and the rest is water ; Wherein the mass concentration of hydrogen peroxide in the hydrogen peroxide aqueous solution is 28-32%. The advantages of the present invention are as follows: 1. Among the raw material components, on the one hand, hydrogen peroxide reacts with formic acid to generate highly active hydroxyl groups; on the other hand, under the catalysis of ferric chloride, hydrogen peroxide itself decomposes to produce a large amount of OH, H, HO ▪Highly active free radicals, these highly active hydroxyl groups or free radicals reduce the content of long carbon chain organic matter, thereby greatly reducing the viscosity and surface tension, and the emulsified oil is separated from the water without forming sludge; 2. Among the raw material components, three The ferric hydroxide precipitation formed by the reaction of ferric chloride and hydrogen peroxide has a coagulation effect on the suspended impurities in the waste emulsion, and the mud basically contains no oil and is directly dehydrated. The amount of mud is about 0.3% of the waste emulsion treatment capacity.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to an aluminum processing waste emulsion demulsifier and a preparation method thereof. Background technique [0002] The emulsion is mainly composed of mineral oil, vegetable oil, animal oil, surfactants, additives and water. It mainly plays the role of lubrication, cooling and anti-oxidation in the process of aluminum processing. After being used to a certain extent, it will deteriorate and become waste emulsion. With the rapid development of the aluminum deep processing industry, the discharge of waste emulsion is increasing day by day, which brings great pressure to environmental protection. The COD in the waste emulsion is usually as high as tens of thousands or even hundreds of thousands, and its main pollutants are mineral oil, animal and vegetable oil. After the waste emulsion enters the water, the oily substance floats on the water surface to form an oil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/05
CPCB01D17/048
Inventor 谷建辉焦江涛王向阳赵振哲
Owner ZHENGZHOU HENGBO TECH
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