Treatment process of wastewater containing organic matters

A technology for treating process and organic matter, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, combustion method, etc., can solve the problems of high operating cost and low adsorption capacity, and achieve high energy utilization rate and process The effect of strong stability and low processing cost

Active Publication Date: 2013-08-14
彭万旺
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Problems solved by technology

Activated carbon has good selective absorption of organic matter in organic-containing wastewater, but its adsorption capacity is low, and it requires a complex production process of adsorption-regeneration, and its operating cost is high

Method used

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  • Treatment process of wastewater containing organic matters
  • Treatment process of wastewater containing organic matters
  • Treatment process of wastewater containing organic matters

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Embodiment Construction

[0028] For the understanding of those skilled in the art, the following figure 1 The present invention is explained in detail.

[0029] A treatment process for wastewater containing organic matter, comprising the following steps:

[0030] (1) Pre-treat the wastewater containing organic matter after phenol recycling. The pretreatment is mainly to remove various suspended substances in the wastewater containing organic matter. The suspended matter includes solid or tar substances, etc., and then adjust the waste water containing organic matter according to needs. PH value, the PH value is controlled between 7 and 9 to meet the requirements of equipment materials.

[0031] (2) Perform pressure treatment on the wastewater containing organic matter after step (1). The waste water containing organic matter after step (1) is pressurized by the water pump, and then can be preheated to reduce the energy required in the evaporation process.

[0032] (3) Send the waste water containin...

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Abstract

The invention discloses a treatment process of wastewater containing organic matters. The treatment process comprises the following steps of: pretreating wastewater containing organic matters to remove suspended matters in the wastewater containing the organic matters; then pressurizing the pretreated wastewater containing the organic matters, and then carrying out pressured combustion and evaporation treatment to obtain a primary gas mixture containing organic matter stream; carrying out pressurized oxidation and conversion treatment on the primary gas mixture to obtain a secondary gas mixture; and introducing the secondary gas mixture to a tempering unit to carry out tempering and cooling treatment. According to the treatment process, very few, even almost no organic matters exist in the treated secondary gas mixture, and therefore the purpose of treating the wastewater containing organic matters with near zero pollution or zero pollution is achieved. The treated gas mixture contains a great deal of high-grade heat, and therefore the heat can be furthest recycled. The treatment process disclosed by the invention has the advantages of strong stability, good wastewater treatment effect, low treatment cost and high energy utilization rate.

Description

technical field [0001] The invention relates to a process for treating waste water containing organic matter, in particular to a process for treating waste water containing organic matter that adopts low treatment cost to realize high-standard discharge requirements of zero pollution or near zero pollution. Background technique [0002] In the process of coal gasification, coal dry distillation, coking, coal liquefaction or petroleum processing, etc., waste water containing organic matter is generally produced. The wastewater discharged after treatment will cause serious damage to the surrounding environment and even the downstream environmental water body. Wastewater usually contains oils, phenols and a wide range of other organic emulsified or water-soluble organic matter. For wastewater with high concentration of phenol, people first recycle it to turn waste into treasure. Compared with the requirements of environmental protection, the content of organic matter in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10F23G7/04
Inventor 彭万旺杨宝友
Owner 彭万旺
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