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Organic exhaust-gas processing method

An organic gas and organic technology, applied in the field of absorption and treatment of organic volatile gases, can solve problems such as waste, high emission standards, and investment income can not be optimized, and achieve convenient operation, easy acquisition, local and remote control Effect

Inactive Publication Date: 2016-02-17
北京日新达能技术有限公司
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Problems solved by technology

[0004] Since the destruction technology is to convert some high-use-value resource substances into low-value small molecular weight substances, this is a huge waste of some high-purity reusable VOCs gases, and high equipment investment also causes great harm to enterprises. equipment investment and operating costs; on the other hand, although the recovery technology can realize the recovery and reuse of VOCs, the emission of tail gas up to the standard requires high equipment investment, so that the investment-benefit ratio cannot be optimized

Method used

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  • Organic exhaust-gas processing method

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings, and the embodiments are not intended as a restrictive description of the present invention documents.

[0021] Before the exhaust gas is introduced, the feed pump 6 is turned on to add an appropriate absorption solution to the absorption tower 1. When the absorption solution overflows the exhaust gas inlet and meets the requirements, adjust the flow rate of the incoming absorbent to the required size to meet the spraying requirements. Density is 10.4m 3 / (m 2 .h). The waste gas is collected into the absorption tower through the pipeline, and part of the waste gas is absorbed by the solution in the lower part of the tower. Because the contact area between the waste gas and the absorption liquid is small, a large amount of waste gas rushes out of the absorption liquid and continues upward during the contact period. The surface is in contact and is fully absorbed by the a...

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Abstract

The invention relates to an organic volatile gas recovery technology and an apparatus thereof. The recovery technology comprises the following operation flow: 1) introducing volatile gas into an absorbing tower for being absorbed; 2) performing cyclic absorption on an absorption solution; 3) desorbing the absorption solution; 4) cooling the desorbed gas; 5) performing recycle recovery utilization on the absorption solution; and 6) finally, processing gas in an adsorption tank and then discharging the gas. The processing method is suitable for gas with high concentration, large flow and large concentration fluctuation such as mercaptan, thioether, organic acidity, phenol, methylphenol, amine, acetaldehyde, alcohol, hydrocarbons and acetone, or occasion of polymerizable organic compounds.

Description

technical field [0001] The invention relates to a method for absorbing and treating organic volatile gases, in particular to a process and device for organically combining absorption and adsorption to treat organic volatile gases. Background technique [0002] In chemical, petrochemical, pharmaceutical, textile, coating, degreasing, food, pesticide and other industries, a large amount of organic solvents are generally used, such as benzene, toluene, xylene and other aromatic solvents and ethanol, isopropanol, ethyl acetate , butyl acetate, butanone, dichloroethane, chloroethane, hydrocarbons, etc. These organic solvents are mainly low-boiling point, volatile organic compounds with certain toxicity, and a considerable part of them are finally discharged into the atmosphere in the form of organic waste gas, causing serious pollution to the surrounding environment. Therefore, under the background of the current severe environmental protection situation and the country's increa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14B01D53/18B01D53/02
Inventor 王润杨登奎李洪喜杨久满
Owner 北京日新达能技术有限公司
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