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Organic silicon wastewater treatment system and method

A waste water treatment system, organic silicon technology, applied in water/sewage treatment, water treatment parameter control, flotation water/sewage treatment, etc., to reduce power consumption and steam consumption, save investment capital and operating costs, treatment low cost effect

Pending Publication Date: 2019-03-29
合盛硅业(泸州)有限公司
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a treatment system and method for organic silicon wastewater, to solve the existing industrial problems in the treatment of organic silicon wastewater, to effectively remove the oil residue and chloride ions in the wastewater, and to recover the salt in the wastewater. The final wastewater can be recycled and discharged only after reaching the standard

Method used

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  • Organic silicon wastewater treatment system and method
  • Organic silicon wastewater treatment system and method
  • Organic silicon wastewater treatment system and method

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Embodiment

[0058] Please refer to figure 1 , the organosilicon wastewater treatment system of the present invention includes a wastewater pretreatment unit, a first-effect evaporation unit, a second-effect evaporation unit, a steam circulation unit and a desalination unit,

[0059] The input and output of the first-effect evaporation unit are respectively connected to the output of the wastewater pretreatment unit and the input of the second-effect evaporation unit, and the output of the second-effect evaporation unit is connected to the input of the desalination unit; the mother liquor of the desalination unit The return outlet is connected to the mother liquor return inlet of the second-effect evaporation unit through a pipeline, and is used to return the mother liquor centrifugally separated by the desalination unit to the second-effect evaporation unit;

[0060] The steam is connected to the steam inlet of the first-effect evaporator unit through pipes, the steam outlets of the first...

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Abstract

The invention discloses an organic silicon wastewater treatment system and method, and belongs to the technical field of industrial wastewater treatment. The organic silicon wastewater treatment system consists of a wastewater pretreatment unit, a single-effect evaporation unit, a double-effect evaporation unit, a steam circulating unit and a desalting unit, wherein the wastewater pretreatment unit, the single-effect evaporation unit, the double-effect evaporation unit and the desalting unit are connected sequentially. After being subjected to flocculating settling by the wastewater pretreatment unit, an organic silicon wastewater stock solution is subjected to evaporative crystallization by the single-effect evaporation unit and the double-effect evaporation unit and then separated and centrifuged by the desalting unit, secondary steam generated by the single-effect evaporation unit and the double-effect evaporation unit is recycled through the steam circulating unit, and thus electricity consumption and steam consumption are reduced effectively, meanwhile, the content of chloride ions in treated wastewater is low, the content of sodium chloride in separated salt solids is 95% orabove, and the salt solids can also be reused as industrial salt.

Description

technical field [0001] The invention relates to the technical field of industrial wastewater treatment, in particular to an organic silicon wastewater treatment system and method. Background technique [0002] Organic silicon is known as "industrial monosodium glutamate" and is widely used in various fields. A certain amount of wastewater will be produced in its production process, which has the characteristics of high COD, high salinity, no obvious oil-water layering, etc., and its components are complex, containing a variety of organic substances, inorganic metal compounds, and a certain amount of adsorbable Organic halides, silica gel, copper ions, zinc ions and other heavy metal compounds. [0003] Due to the variety of organic silicon wastewater, complex components, poor biodegradability, low pH value, strong acidity, high toxicity, and various heavy metal ions, the wastewater discharge has large fluctuations and poor regularity. Due to these problems, the wastewater ...

Claims

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Application Information

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IPC IPC(8): C02F9/10C01D3/04C02F101/30C02F101/12
CPCC01D3/04C02F9/00C02F2301/046C02F2209/29C02F2209/08C02F1/24C02F1/38C02F1/40C02F1/041C02F1/048C02F1/043C02F1/56C02F1/66C02F1/5281C02F1/5245C02F2101/12C02F2101/30
Inventor 兰永平李新欣陈建刚瞿龙学伍发鑫
Owner 合盛硅业(泸州)有限公司