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    SORBENT, SYSTEM AND METHOD FOR ABSORBING CARBON DIOXIDE (CO2)
    1.
    发明申请
    SORBENT, SYSTEM AND METHOD FOR ABSORBING CARBON DIOXIDE (CO2) 审中-公开
    吸收二氧化碳（CO2）的吸收系统和方法

    公开(公告)号：WO0213948A3

    公开(公告)日：2002-05-30

    申请号：PCT/US0124975

    申请日：2001-08-09

    Applicant: HAMILTON SUNDSTRAND CORP

    Inventor： BIRBIRA PHILIP J ,  FILBURN THOMAS P ,  MICHELS HARVEY H ,  NALETTE TIMOTHY A

    IPC: B01D53/18 ,  A62B11/00 ,  A62B19/00 ,  B01D53/02 ,  B01D53/04 ,  B01D53/62 ,  B01J20/22 ,  B01J20/26 ,  B01J20/32 ,  B01J41/04 ,  A61M16/22 ,  A62B31/00

    CPC classification number: B01D53/62 ,  A62B11/00 ,  A62B19/00 ,  B01D53/02 ,  B01D2253/10 ,  B01D2253/202 ,  B01D2257/504 ,  B01D2259/40084 ,  B01D2259/40096 ,  B01D2259/4508 ,  B01J20/26 ,  B01J20/264 ,  B01J20/28026 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08

    Abstract: A regenerable high capacity carbon dioxide (CO2) sorbent is operated to remove substantially all of the CO2 present in either a dry, or a humid environment. The sorbent is an amine compound which is composed predominantly of secondary amine groups, and includes one or more functional nitrile groups. Primary and tertiary amine groups form a minor percent of the sorbent. The reaction product of tetraethylenepentamine (TEPA) and acrylonitrile (AN), which reaction product will be referred to hereinafter as "TEPAN" is a preferred sorbent. The addition of one or more nitrile functional groups to TEPA by reason of the reaction between AN and TEPA converts most of the primary amines in TEPA to secondary amines in TEPAN. We have discovered that the presence of predominantly secondary amines in the sorbent by more than two and one-half times, as compared to a TEPA sorbent bed; and the use of TEPAN as the sorbent bed also significantly reduces amine volatility to low levels which are immeasurable. The sorbent bed of this invention is also easily regenarable.

    Abstract translation: 操作可再生的高容量二氧化碳（CO 2）吸附剂以去除干燥或潮湿环境中存在的基本上所有的二氧化碳。 吸附剂是主要由仲胺基组成的胺化合物，并且包括一个或多个官能的腈基。 伯胺和叔胺基组成吸附剂的一小部分。 四乙烯五胺（TEPA）和丙烯腈（AN）的反应产物，该反应产物在下文中称为“TEPAN”是优选的吸附剂。 由于AN和TEPA之间的反应，将一个或多个腈官能团添加到TEPA中，TEPA中的大部分伯胺在TEPAN中转化为仲胺。 与TEPA吸附剂床相比，我们已经发现吸附剂中主要是仲胺的存在超过2.5倍; 并且使用TEPAN作为吸附剂床也显着地将胺挥发性降低至不可测量的低水平。 本发明的吸附剂床也易于再生。

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