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Treatment device for removing sulfur and organic matters from industrial sewage

A technology for treatment devices and industrial sewage, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, water pollutants, etc. It can solve problems such as low efficiency and complicated operation, and achieve simple process flow and treatment efficiency. High and good removal effect

Inactive Publication Date: 2017-06-13
天津德人生态环境科技集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a simple and efficient device for removing sulfide and organic matter in industrial wastewater at the same time, so as to solve the problems of low efficiency and complicated operation in the prior art

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  • Treatment device for removing sulfur and organic matters from industrial sewage

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Embodiment

[0018] An industrial sewage desulfurization and organic matter removal device, which includes three-stage reaction tanks 1, 2, 3, three solid-liquid separation tanks 4, 5, 6, chlorine gas storage tank 7, hydrogen chloride storage tank 8, tail gas recovery tank 9 and solid Recovery device 10; the three-stage reaction tank is respectively provided with a water inlet pipe 11, an air inlet pipe 12 and an outlet pipe 13, the water inlet pipe 11 is arranged at the upper end of one side of the reaction tank, the air inlet pipe 12 is arranged at the lower end of one side of the reaction tank, and the water outlet pipe 13 is arranged on the lower end of the other side of the reaction tank, the top of the primary and secondary reaction tanks is provided with an air outlet pipe 14, and the stirring device 15 is arranged in the reaction tank; the upper end of one side of the solid-liquid separation tank is provided with a water inlet pipe 11, and the The lower end is provided with an outle...

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Abstract

The invention belongs to an industrial sewage treatment technology, and relates to a treatment device for removing sulfur and organic matters from industrial sewage. Three stages of reaction tanks and three solid-liquid separation tanks are connected in sequence in a spacing manner; chlorine is fed into the first and second stages of reaction tanks; hydrogen chloride gas is fed into the third stage of reaction tank; under a condition of continuous stirring, chlorine is fed into the reaction tank with sulfur-containing waste water; the waste water is subjected to solid-liquid separation after being subjected to oxidization treatment of the chlorine, so that solid residues and filtrate are obtained; during third-stage treatment, the hydrogen chloride gas is fed; salt is separated out of chlorine salt-containing waste water. Non-reacted chlorine is absorbed by alkaline liquid, so as to prevent secondary pollution; the solid residues are washed with water to obtain elemental sulfur. The treatment device can work under normal pressure, and also can separate and recycle the produced elemental sulfur when efficiently removing sulfides and organic matters from the industrial waste water.

Description

technical field [0001] The invention belongs to industrial sewage water treatment, and relates to an industrial sewage desulfurization and organic matter removal treatment device. Background technique [0002] Sulfur-containing wastewater comes from a wide range of sources, causing serious environmental pollution and great harm. Different industries such as dyestuff, medicine, pesticide, oil refining and tanning have different organic components and sulfide concentrations in sewage. After sulfur-containing wastewater enters the water body, it will react with ferrous metals to form precipitates, making the water body black and smelly. In addition, the harm of sulfide is mainly manifested in the form of hydrogen sulfide. Under humid conditions, the volatilized hydrogen sulfide in industrial wastewater will be oxidized by bacteria into sulfuric acid, which will corrode equipment. In the case of insufficient ventilation conditions, the accumulation of hydrogen sulfide to a ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F101/30C02F101/10
Inventor 杜金山武彪
Owner 天津德人生态环境科技集团有限公司
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