Carbon dioxide mixed amine absorbent and preparation method thereof
The invention relates to the technical field of mixed gas separation and purification, in particular to a carbon dioxide mixed amine absorbent and a preparation method thereof.The mixed amine absorbent comprises a main agent and an activating agent, the main agent is tertiary amine containing one N...
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creator | WANG ZHENGRONG WANG TAO WANG KAILIANG WANG YANG HU XIMING FANG MENGXIANG SUN LUCHANG SUN YUHANG |
description | The invention relates to the technical field of mixed gas separation and purification, in particular to a carbon dioxide mixed amine absorbent and a preparation method thereof.The mixed amine absorbent comprises a main agent and an activating agent, the main agent is tertiary amine containing one N atom, the activating agent is diamine, and the mass ratio of the main agent to the activating agent is (1-2): 1. According to the invention, tertiary amine containing one N atom is selected as a main agent, and more hydrogen atoms in molecules are substituted by alkyl groups, so that the alkalinity is stronger, and the absorption performance is better; the activating agent is added on the basis of the main agent, so that the absorption rate and the regeneration rate of the absorbent can be further improved, and the regeneration energy consumption of the absorbent is reduced. Therefore, the carbon dioxide mixed amine absorbent disclosed by the invention has the advantages of high absorption rate, high regeneration r |
format | Patent |
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According to the invention, tertiary amine containing one N atom is selected as a main agent, and more hydrogen atoms in molecules are substituted by alkyl groups, so that the alkalinity is stronger, and the absorption performance is better; the activating agent is added on the basis of the main agent, so that the absorption rate and the regeneration rate of the absorbent can be further improved, and the regeneration energy consumption of the absorbent is reduced. 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title | Carbon dioxide mixed amine absorbent and preparation method thereof |
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