Reactor for supercritical water oxidation and waste liquid treatment method
A technology of supercritical water oxidation and reactor, which is applied in the fields of chemical instruments and methods, oxidized water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems of affecting the treatment efficiency and the long reaction time of waste materials, and achieves the improvement The effect of reaction efficiency
Active Publication Date: 2019-06-07
CHINA INSTITUTE OF ATOMIC ENERGY
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[0004] But the inventor finds in the process of realizing the present invention, in related art, the treatment process of supercritical water oxidation reactor generally is that oxidizing agent and waste material are directly mixed in the reactor, and then the temperature of oxidizing agent and waste material reaches certain temperature The reaction can only occur after the pressure and pressure, resulting in a long reaction time of the waste in the supercritical water oxidation reactor, which affects the treatment efficiency
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[0032] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present disclosure.
[0033] The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present disclosure. The terms "comprising", "comprising", etc. used herein indicate the presence of stated features, ...
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Abstract
The invention provides a reactor for supercritical water oxidation. The reactor comprises a reactor housing, a heating device and a back-turning tube, wherein an oxidizing agent feeding mouth, an organic matter feeding mouth and a material discharge mouth, the heating device is used for raising the temperature in the reactor housing, and the back-turning tube is disposed in the reactor housing; and the back-turning tube includes an inner tube which has openings at two ends and an outer tube which has an opening at one end, the exterior of the inner tube is sleeved with the outer tube, and theinner tube communicates with the organic matter feeding mouth. The invention also provides a waste liquid treatment method.
Description
technical field [0001] The disclosure relates to a reactor for supercritical water oxidation and a waste liquid treatment method. Background technique [0002] Supercritical water oxidation is a new type of wet oxidation technology. By utilizing the characteristics of complete miscibility of organic waste, water and oxygen in the supercritical water system, the organic matter is oxidized and decomposed into carbon dioxide, water and inorganic salts, etc., so as to complete the treatment of organic waste liquid. Generally, supercritical water refers to water in a special state with a temperature exceeding 374°C and a pressure exceeding 22Mpa. In the state of supercritical water, organic waste and oxygen are completely miscible in the supercritical water system. When the temperature of supercritical water exceeds 550 ° C, the solubility of inorganic salts in it is zero. Utilizing this property of supercritical water, organic matter can be converted into carbon dioxide, water...
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IPC IPC(8): C02F1/72C02F101/30
Inventor 张振涛彭琳陈艳刘刈龙泊康张羽张立军张兴旺任韧孙润杰李睿之李振毅骆永志聂鹏王海云
Owner CHINA INSTITUTE OF ATOMIC ENERGY