A method and system for treating industrial wastewater containing organic solvents
A technology for organic solvents and industrial wastewater, applied in multi-stage water treatment, water/sewage treatment, water/sewage multi-stage treatment, etc., to achieve the effect of preventing clogging and facilitating distillation
Active Publication Date: 2019-06-04
YANCHENG HAIDENENG WATER TREATMENT ENVIRONMENTAL ENG
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Problems solved by technology
In the process of process improvement, there will be many problems to be solved, such as the filtration of impurities, the treatment of sediments during sedimentation (one is to prevent the water flow from rolling up, and the other is to discharge after the sedimentation reaches a certain level), organic solvents Separation and extraction, and the treatment of waste gas generated in this process, etc.
Method used
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Embodiment Construction
[0029] see Figure 1-3 , the industrial wastewater treatment method containing organic solvent provided by the present embodiment, comprises the following steps:
[0030] 1) Set the grid filter and the first settling tank, wherein the grid filter is placed at a high position, and the first settling tank is placed at a low position; the grid filter includes a grid filter pool body 1 and The mesh grille 2 located in the middle of the grid filter pool body 1, the bottom side of the grid filter pool body 1 is provided with a grid filter tank water outlet; the first settling tank includes a first settling tank The first baffle body 4 and the second baffle body 5 in the lower part of the pool body 3 and the first settling tank body, the first settling tank body 3 is provided with a first Settling tank water inlet, the first settling tank body 3 is provided with a first settling tank water outlet near the bottom side of the grid filter tank outlet, the first settling tank water inle...
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The invention discloses a method and a system for treating industrial wastewater containing organic solvent, which are used for treating the industrial wastewater containing the organic solvent. A grid filtering tank, a first settling basin and an organic solvent recovering system are arranged for carrying out impurity filtering, static settling treatment and organic solvent recycling on the industrial wastewater; in addition, a series of problems in a process such as: filtering scientificity and late-stage cleaning of the impurities, rolling prevention and washing cleanness of sediments in a static settling process, adsorption treatment of waste gases generated by separation and extraction of the organic solvent at a negative pressure of -0.08 to 0.05kg / cm<2> and a high temperature of 70 to 120DEG C, and the like are solved. The method and the system for treating the industrial wastewater containing the organic solvent have the advantages that scientificity and reasonability are realized, the safety is guaranteed, and greenness, environmental protection, high efficiency and energy saving are realized; in addition, the organic solvent is recovered and the waste is avoided.
Description
technical field [0001] The invention relates to the treatment technology of industrial wastewater, in particular to a method and system for treating industrial wastewater containing organic solvents. Background technique [0002] Industrial wastewater refers to the wastewater, sewage and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediate products and products lost with water, as well as pollutants produced in the production process. With the rapid development of industry, the types and quantities of wastewater have increased rapidly, and the pollution of water bodies has become increasingly widespread and serious, threatening human health and safety. Therefore, for the protection of the environment, the treatment of industrial wastewater is more important than the treatment of urban sewage. In the production process of chemical materials such as coatings and inks, the use of organic solvents is increas...
Claims
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IPC IPC(8): C02F9/10B01D53/02C02F1/00C02F1/04C02F1/66C02F101/30
CPCB01D53/02B01D2258/02C02F1/001C02F1/048C02F1/66C02F9/00C02F2001/007C02F2101/30C02F2301/08
Inventor 黎炜杰
Owner YANCHENG HAIDENENG WATER TREATMENT ENVIRONMENTAL ENG