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Treatment agent of acidic components used for mixed gas

A technology of acidic components and mixed gases, which is applied in the field of amide compositions or aqueous solutions, treatment agents, and alcohol amines, which can solve the problems of high cost and achieve the effects of low energy consumption, large processing capacity, and low desorption temperature

Inactive Publication Date: 2010-07-21
JILIN TAINENG GASOLINEEUM & CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is more expensive

Method used

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  • Treatment agent of acidic components used for mixed gas

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Embodiment Construction

[0017] The present invention can be implemented according to the following typical process flow.

[0018] The raw material gas containing acidic gas components enters the absorption tower equipped with packing or trays from the lower part, the absorption treatment agent drips from the top of the tower, and absorbs countercurrently with the raw material gas, and the purified net gas is drawn out from the top of the absorption tower. The absorption treatment agent containing acidic components is discharged from the bottom of the absorption tower, heated by a heat exchanger, and then enters a separator to separate part of the acidic components, and the acidic gas components are sent for further treatment.

[0019] The absorption treatment agent flowing out of the separator is further removed from the acid gas components in the desorption tower. After being cooled and condensed, the acid-rich gas stream from the top of the tower is separated into gas and liquid in the separator, t...

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Abstract

The invention relates to a treatment agent of acidic components used for mixed gas, which comprises a composite containing hydramine and amide or an aqueous solution. The treatment agent is used for removing and purifying the acidic components in the mixed gas and can be applied to the gas treatment process of the fields of natural gas exploitation, chemical fertilizer synthesis gas, petrochemical production, greenhouse gas recovery and the like.

Description

[0001] The invention relates to a treatment agent for acidic components in mixed gas, including a composition or aqueous solution containing alcohol amine and amide, which is used for the removal and purification of acidic components in mixed gas, and can be applied to natural gas , Fertilizer synthesis gas, petrochemical production, greenhouse gas recovery and other gas treatment processes. Background technique [0002] At present, the process gases of natural gas, chemical fertilizer synthesis gas, refineries, and greenhouse gas recovery usually contain acidic components such as carbon dioxide and hydrogen sulfide. There are many ways to remove acid gas components. The MDEA decarburization process is a decarbonization process based on N-methyldiethanolamine aqueous solution developed by BASF in the early 1970s. 2 craft. This process is different from other deCO2 processes in terms of investment, public works, material consumption, and cost. 2 Compared with other methods, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14
Inventor 王振凡
Owner JILIN TAINENG GASOLINEEUM & CHEM
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