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A treatment system and treatment method for industrial wastewater

A technology for industrial wastewater and treatment systems, applied in water/sewage treatment, water treatment parameter control, water/sewage multi-stage treatment, etc., can solve the problems of easy scaling and high cost, reduce pollution and waste, and meet zero discharge desired effect

Active Publication Date: 2019-12-31
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

For the wastewater of the above composition, the traditional evaporation process is generally used at present, but the evaporation process has risks such as high cost and easy fouling.

Method used

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  • A treatment system and treatment method for industrial wastewater
  • A treatment system and treatment method for industrial wastewater
  • A treatment system and treatment method for industrial wastewater

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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, the embodiments are provided to explain the principles of the invention and its practical application, thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to particular intended uses. In the drawings, the shapes and dimensions of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like elements.

[0023] It will be understood that although the terms "first", "second", etc. may be used herein to describe various elements and / or various substances, these elements and / or substances should not be limited by these terms. These terms are only u...

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Abstract

The invention discloses an industrial wastewater treatment system and treatment method which is used for industrial wastewater of heavy metal ion pollutions such as Ag+ generated in the production processes of liquid crystal display panels and subsidiary pollutions such as TOC, TN and TP. The treatment system and treatment method can continuously perform physico-chemical precipitation, biochemical treatment and zero-emission treatment for the industrial wastewater, so that the industrial wastewater meets zero-emission standards of heavy metal ions, obtained clean water can be repeatedly used, and sludge generated in the processes of physico-chemical precipitation and biochemical treatment can form mud cakes which are transported outwards and separately treated. According to the industrial wastewater treatment method, treatment of the industrial wastewater forms a continuous and circular treatment process, and pollution and waste are reduced.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a treatment system and treatment method for industrial waste water. Background technique [0002] During the manufacturing process of display panels, Ag-containing + Wastewater with heavy metal ion pollutants. According to the regulatory requirements that heavy metal pollutants cannot be discharged directly, zero discharge of these wastewaters is required, and accordingly, a zero discharge system is required. [0003] In addition, in addition to heavy metals, the above wastewater also contains a large amount of incidental pollutants such as TOC (Total Organic Carbon), TN (Total Nitrogen), and TP (Total Phosphorus). For the wastewater of the above composition, the traditional evaporation process is generally used at present, but the evaporation process has risks such as high cost and easy scaling. Contents of the invention [0004] In order to solve the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F101/20
CPCC02F1/048C02F1/441C02F1/5245C02F1/5281C02F1/56C02F1/66C02F3/30C02F9/00C02F2101/20C02F2209/16C02F2209/20C02F2301/046
Inventor 顾幸荣
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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