Device for advanced reduction pretreatment wastewater

A pretreatment and advanced technology, applied in the direction of reduced water/sewage treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of explosion hazard, increase process operation, operating costs, etc., and improve the effect of contact reaction , reduce ineffective dissipation, and improve the effect of hydrogen utilization

Active Publication Date: 2019-12-03
SUZHOU UNIV OF SCI & TECH
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Problems solved by technology

But in doing so, on the one hand, the process operation and operating costs are increased, and on the other hand, a large amount of H that does not participate in the reaction 2 The escape reaction system enters the surrounding environment, causing a potential explosion hazard

Method used

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  • Device for advanced reduction pretreatment wastewater

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Embodiment

[0034] Embodiment: The following will clearly illustrate this case with drawings and detailed descriptions. After any person skilled in the art understands the embodiment of this case, he can change and modify it by the technology taught in this case without departing from the spirit of this case. with range.

[0035] The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present case. Singular forms such as "a", "the", "the", "this" and "the", as used herein, also include plural forms.

[0036] As used herein, "connection" or "positioning" can mean that two or more components or devices are in direct physical contact with each other, or that they are in indirect physical contact with each other, or that two or more components or devices are in mutual operation. or action.

[0037] As used herein, "comprising", "comprising", "having" and the like are all open terms, meaning including but not limited...

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Abstract

The invention discloses a device for advanced reduction pretreatment wastewater. The device comprises a pre-mixing zone, a reaction zone and a separation zone from bottom to top, wherein a water inletpipeline and a gas inlet pipeline are distributed inside the pre-mixing zone; a plurality of water outlet holes are formed in the water inlet pipeline; a plurality of aeration holes are formed in thegas inlet pipeline; hydrogen and polluted water are mixed in the pre-mixing zone to form a gas-water mixture; a gas-water mixing distribution plate is arranged between the reaction zone and the pre-mixing zone; a catalyst fixing bed is arranged in the reaction zone; an MOFs (metal organic framework) solid catalyst is positioned in the fixing bed; the gas-water mixture is reacted with the MOFs solid catalyst in the catalyst fixing bed to implement water body repairing on the polluted water; the separation zone is provided with a three-phase separator and comprises a gas collection cover and aguide block; the top of the gas collection cover communicates with an exhaust pipeline for discharging excessive hydrogen; and the top of the separation zone is the overflowing surface of water flowsafter reactions. When being adopted for repairing of organic polluted water bodies, the device has the advantages of being high in efficiency, free of selectivity, environment-friendly, free of secondary pollution, and the like, and is applicable to treatment of various types of organic wastewater.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a device for advanced reduction pretreatment of wastewater. Background technique [0002] Since the reform and opening up, with the rapid development of my country's social economy, a large amount of industrial organic wastewater and waste has been discharged into natural water bodies in an orderly manner, which seriously pollutes the water environment because it exceeds the self-purification capacity of the water body. Among them, due to the complex organic pollution components in industrial wastewater and certain biological toxicity, they cannot be effectively removed by conventional biological treatment processes. People and animals ingest these pollutants into the body through drinking water, which will significantly affect the endocrine system and accumulate in the body, making it difficult to metabolize quickly. Over time, it will cause cancer, distortion and g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/70C02F101/30
CPCC02F1/70C02F2101/30C02F2201/002C02F2301/08
Inventor 刘忻柳中行尤娟娟于杨朱孝倩钟晓欣李勇吴建华刘锋
Owner SUZHOU UNIV OF SCI & TECH
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