Catalytic oxidation reaction apparatus of trickle bed

A technology of catalytic oxidation and reaction device, applied in the direction of oxidized water/sewage treatment, chemical instruments and methods, chemical/physical processes, etc., can solve unseen problems, prevent surface pollution, expand application fields and scope, and have a good market foreground effect

Inactive Publication Date: 2004-11-10
TONGJI UNIV
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Problems solved by technology

The inventions related to the trickle bed published in the "Chinese Patent" are limited to chemical synthesis, and there is no trickle bed reaction device for catalytic wet oxidation of organic wastewater

Method used

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  • Catalytic oxidation reaction apparatus of trickle bed

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Embodiment 1

[0013] Example 1, the specification of the wastewater tank is Ф400mm×5mm×500mm, the material is 304 stainless steel, the specification of the clean water tank is Ф400mm×5mm×500mm, the material is 304 stainless steel, the specification of the pre-mixing reactor is Ф45mm×5mm×300mm, and the specification of the reactor is Ф45mm×5mm×850mm, the material is 316L stainless steel, the gas-liquid separator is Ф300mm×5mm×520mm, the material is 304 stainless steel, the sampling condenser is Ф400mm×5mm×500mm, the quantity is 5, and the material is 316L stainless steel , the model of the high-pressure metering pump is J1-5 / 8, the model of the liquid level controller is BLC02X, the model of the valve is J23W-160P, the model of the pressure sensor is RPT-301, the model of the digital / analog converter is AI-708JA, and the PC is 586 type, the gas flowmeter is WFM type, the liquid flowmeter is VFA-1-SSV type, the drain valve is ZCL-2Y electromagnetic flowmeter, the liquid check valve is I-10 typ...

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PUM

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Abstract

The invention relates to a trickle-bed catalytic oxidization reactor, composed of waste water tank, premixing reactor, reactor, gas-liquid separator, condenser, oxygenated part and temperature-control part, which are connected together by pipelines and valves, where the reactor adopts segment heating and temperature control to ensure the reaction at the isothermy. The reactor is set with side sampling mouth able to collect the samples in different positions of the reactor, and has backflushing part able to regularly wash the catalyst in the reactor, effectively the salt stain problem always occurring in the course of wet-oxidizing actual high-concentration organic industrial waste water. It can be used to research the law of effect of technical operating conditions on the catalytic wet-oxidization reaction course of high-concentration, difficult- degradation, poisonous and harmful organic waste water discharged by the industries such as chemical industry, medicine industry and pesticide industry, has a very important significance in further enlarging the application field and range of wet oxidization and has good market prospect.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a trickle bed catalytic oxidation reaction device. Background technique [0002] With the rapid development of petrochemical, pharmaceutical, pesticide, dyestuff and other industries, the types of refractory organic compounds in wastewater are increasing day by day, and the degree and scope of their harm are increasing. A large number of studies have shown that wet oxidation (WO) is an effective method for treating high-concentration refractory organic wastewater, but the high temperature and pressure in the WO process and the high requirements for equipment materials limit its popularization and application. In order to reduce the reaction temperature and pressure, the research and development of catalytic wet oxidation (CWO for short) technology with heterogeneous catalysts has become a research hotspot. Catalytic wet oxidation technology is curren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/02C02F1/72
Inventor 李光明赵建夫王华赵修华陈玲
Owner TONGJI UNIV
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