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Micro-channel absorber for absorbing H2S

A technology of absorber and microchannel, which is applied in chemical instruments and methods, separation of dispersed particles, separation methods, etc., can solve time-consuming and labor-intensive problems, and achieve the effects of uniform distribution, compact structure, and large gas volume

Inactive Publication Date: 2011-08-24
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

Due to the amplification effect, the traditional amplification process is time-consuming and labor-intensive, generally taking 2-5 years

Method used

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  • Micro-channel absorber for absorbing H2S
  • Micro-channel absorber for absorbing H2S
  • Micro-channel absorber for absorbing H2S

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Embodiment Construction

[0023] Microchannel absorber of the present invention ( figure 1 ), an absorbing H 2 The microchannel absorber of S comprises an absorber body, a lean liquid absorption liquid inlet and a gas tangential inlet are respectively arranged on the upper part of the absorber body, and a gas outlet and a rich absorption liquid outlet are respectively arranged on the lower part of the absorber body; There are 2 or more parallel micro-channels in the middle of the device body, and the two ends of the micro-channels are provided with an entrance common passage area and an exit common passage area; there are 1-5 layers between the gas inlet and the entrance common passage Layer-by-layer gas distributor; a liquid distributor is arranged between the inlet of the lean liquid absorption liquid and the common channel of the inlet;

[0024] The equivalent diameter of each microchannel can be selected according to the requirements of the specific decarburization process, and the specific range ...

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Abstract

The invention provides a micro-channel absorber, wherein a main body part is a plurality of micro-channels which are along the flow direction of gas and liquid, have certain mutual spacing distance and are applicable to receiving gas and liquid fluids; a contact mode of material flow between gas which needs to be absorbed and an absorption liquid is cocurrent; and an inlet of the absorber is provided with corresponding distribution devices of the gas and the liquid, which ensures the even distribution of the gas and the liquid. The micro-channel absorber has large gas treatment capacity in unit volume, and has a compact structure; and the micro-channel absorber is particularly suitable for removing acid gas (such as CO2, H2S and the like) in mixed gas flow such as synthetic gas, natural gas, coking gas, tail gas of coal gas, oilfield associated gas and Claus tail gas to reach the requirements of environmental emission and subsequent process gas processing.

Description

technical field [0001] The present invention relates to a kind of microchannel absorber, can be particularly suitable for removing acid gas (such as CO 2 , H 2 S, etc.) to meet the requirements required for environmental emissions and subsequent process gas processing. Background technique [0002] H 2 There are many methods of S, which can be generally divided into dry desulfurization, wet desulfurization, membrane desulfurization, biological desulfurization and some latest desulfurization technologies. Among them, dry and wet desulfurization are more mature. Dry desulfurization uses various adsorbents (such as activated carbon, molecular sieve, MnO, ZnO, Fe 2 o 3 etc.) to adsorb H 2 S, but dry adsorption is suitable for low concentrations of H 2 S mixed air flow, where high purification treatment requirements are required, the adsorbent has low adsorption capacity and low selectivity, and is not suitable for processing high-concentration air flow, and it occupies a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/18B01D53/78B01D53/52
Inventor 王树东潘立卫苏宏久牛海宁李世英
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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