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    • 7. 发明申请
    • ABSORBING SOLUTION USED IN A METHOD FOR CAPTURING CARBON DIOXIDE CONTAINED IN A GASEOUS EFFLUENT
    • 用于捕获在气体流化物中包含二氧化碳的方法中使用的吸收溶液
    • WO2008068410A3
    • 2008-07-31
    • PCT/FR2007001856
    • 2007-11-09
    • INST FRANCAIS DU PETROLEDELFORT BRUNOCARRETTE PIERRE-LOUIS
    • DELFORT BRUNOCARRETTE PIERRE-LOUIS
    • B01D53/14B01D53/62B01J20/22
    • B01D53/1493B01D53/1475Y02A50/2342Y02C10/04Y02C10/06Y02C10/08
    • The invention relates to an absorbing solution used in a method for capturing carbon dioxide contained in a gaseous effluent. The CO 2 extraction medium used in said method comprises the product obtained from an acid-base reaction between two species B and R(ZH)n, in which B is a base or a mixture of bases selected from among phosphazenes and R(ZH)n is a compound or a mixture of compounds comprising at least one alcohol function or a thiol function (R being a heterocyclic, mono or polyaromatic, alicyclic or aliphatic multivalent or monovalent group, Z being an oxygen atom and/or a sulphur atom and n being between 1 and 20). The carbon dioxide capture method comprises the following steps: a) the CO 2 -containing gas to be treated is brought into contact with the extraction medium so as to obtain a CO 2 -depleted gas and a CO 2 -rich extraction medium, and b) the CO 2 -rich extraction medium is regenerated in order to obtain a reusable extraction medium and generate a gas that is very rich in CO 2 .
    • 本发明涉及用于捕获气态流出物中所含二氧化碳的方法中的吸收溶液。 所述方法中使用的CO 2萃取介质包含从两种B和R(ZH)n之间的酸碱反应获得的产物,其中B是碱或碱的混合物, 在磷腈和R(ZH)中,n是包含至少一个醇官能团或硫醇官能团的化合物或化合物的混合物(R是杂环,单或多芳族,脂环族或脂族多价或一价基团,Z是氧原子, /或硫原子,n在1和20之间)。 二氧化碳捕获方法包括以下步骤:a)将待处理的含CO 2的气体与萃取介质接触以获得CO 2 CO 2, 分离的气体和富CO 2萃取介质,和b)富CO 2萃取介质被再生以获得可再利用的萃取介质并产生气体 这是非常丰富的CO 2 2。