A pretreatment method for hazardous waste materials

A material and quality technology, applied in chemical instruments and methods, other chemical processes, bulk chemical production, etc., can solve the problems of hazardous waste fluidity and water solubility that are difficult to meet

Active Publication Date: 2022-05-31
廊坊新奥龙河环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the problem that the fluidity and water solubility of the current hazardous waste are difficult to meet the requirements of supercritical water oxidation technology and other hazardous waste treatment technologies, the present invention provides a pretreatment method for hazardous waste

Method used

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Embodiment 1

[0019] The present embodiment provides a pretreatment method for hazardous waste materials.

Embodiment 2

[0023] The present embodiment provides a pretreatment method for hazardous waste materials.

Embodiment 3

[0027] The present embodiment provides a pretreatment method for hazardous waste materials.

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Abstract

The invention relates to the technical field of waste liquid treatment, in particular to a pretreatment method for hazardous waste materials. In this treatment method, the material to be treated is fully mixed with emulsifier A with HLB of 3-5, and then water is added to mix thoroughly, and then emulsifier B with HLB of 7-8, emulsifier C with HLB of 11.5-12.5 and The thickener is fully mixed, and finally the calorific value of the material is adjusted to 4.2-4.5MJ / kg with water. The material is mixed with emulsifiers with different HLB values ​​in sequence, so that the material is fully emulsified and has good fluidity and water solubility, which can meet the feed requirements of the supercritical water oxidation treatment system.

Description

A kind of pretreatment method of hazardous waste material technical field The invention belongs to the technical field of waste liquid treatment, be specifically related to a kind of pretreatment method of hazardous waste material. Background technique Supercritical water oxidation technology is a kind of technology that takes supercritical water as a medium for deep oxidation treatment of organic wastes. Applied in the field of national defense, it is now gradually becoming the dominant in the treatment of daily environmental waste and industrial waste. In addition to many models In addition to the research on pollutants such as oxygen, nitrogen, heteroatoms, etc., from chemical synthesis, pharmaceuticals, food processing, municipal sludge and other wastes There have been a lot of studies related to supercritical water oxidation technology. This technology works by introducing oxygen into a supercritical water medium As an oxidant, it oxidizes organic wastes in sl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/32
CPCC09K3/32Y02P20/54
Inventor 李宁宁宋成才高志远孟郊张帆高申
Owner 廊坊新奥龙河环保科技有限公司
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