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    • 5. 发明授权
    • Method for removing carbon dioxide from combustion exhaust gas
    • 从燃烧废气中除去二氧化碳的方法
    • US06500397B1
    • 2002-12-31
    • US09187168
    • 1998-11-06
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • B01D5362
    • B01D53/1475B01D53/1493Y02A50/2342Y02C10/04Y02C10/06
    • There are disclosed a method for removing CO2 from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with an aqueous solution of a hindered amine selected from the group consisting of 2-amino-2-methyl-1-propanol, 2-methylaminoethanol, 2-ethylamino-ethanol and 2-piperidineethanol; and another method for removing carbon dioxide from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with a mixed aqueous solution of 100 parts by weight of an amine compound (X) selected from the group consisting of 2-amino-2-methyl-1, 3-propanediol, 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1, 3-propanediol, t-butyldiethanolamine and 2-amino-2-hydroxymethyl-1,3-propanediol; and 1-25 parts by weight of an amine compound (Y) selected from the group consisting of piperazine, piperidine, morpholine, glycine, 2-methylamino-ethanol, 2-piperidineethanol and 2-ethylaminoethanol.
    • 公开了一种从燃烧废气中除去CO 2的方法,其包括使大气压下的燃烧废气与受阻胺的水溶液接触的步骤,所述受阻胺的水溶液选自2-氨基-2-甲基 - 1-丙醇,2-甲基氨基乙醇,2-乙基氨基 - 乙醇和2-哌啶乙醇; 以及从燃烧废气中除去二氧化碳的另一种方法,其包括使大气压下的燃烧废气与100重量份选自以下的胺化合物(X)的混合水溶液接触的步骤: 2-氨基-2-甲基-1,3-丙二醇,2-氨基-2-甲基-1-丙醇,2-氨基-2-乙基-1,3-丙二醇,叔丁基二乙醇胺和2-氨基-2-丙醇, 羟甲基-1,3-丙二醇; 和1-25重量份选自哌嗪,哌啶,吗啉,甘氨酸,2-甲基氨基 - 乙醇,2-哌啶乙醇和2-乙基氨基乙醇的胺化合物(Y)。
    • 8. 发明授权
    • Process for removing carbon dioxide from combustion gases
    • 从燃烧气体中除去二氧化碳的方法
    • US5603908A
    • 1997-02-18
    • US651501
    • 1996-05-22
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • B01D53/14C01B32/50B01D53/62
    • C01B31/20B01D53/1425Y02C10/04Y02C10/06Y02P20/152
    • A process for removing CO.sub.2 from a combustion gas which comprises removing CO.sub.2 from the combustion gas through contact of an aqueous hindered amine solution used as a CO.sub.2 absorbent solution with the combustion gas at atmospheric pressure and then, in a regeneration column, liberating CO.sub.2 from the absorbent solution that has absorbed CO.sub.2 by heating it and thereby regenerating the absorbent solution. The process further comprises a partial absorbent solution regeneration step in at least one stage wherein the absorbent solution that has absorbed CO.sub.2 is heated through heat exchange with a high-temperature regenerated absorbent solution and part of the CO.sub.2 that is liberated is separated from the absorbent solution. Following this, according to the necessity, part of the partially regenerated absorbent solution thus obtained is returned to the step of removing CO.sub.2 from the combustion gas for use as part of the CO.sub.2 absorbent solution while the rest or all of the absorbent solution is heated and fed to a regeneration column further to liberate CO.sub.2 and regenerate the absorbent solution.
    • 一种用于从燃烧气体中除去CO 2的方法,其包括通过在大气压下与用作CO 2吸收剂溶液的水性受阻胺溶液和燃烧气体接触而从燃烧气体中除去CO 2,然后在再生塔中将CO 2从 吸收剂溶液通过加热而吸收CO 2,从而再生吸收剂溶液。 该方法还包括在至少一个阶段中的部分吸收溶液再生步骤,其中吸收了CO 2的吸收剂溶液通过与高温再生吸收剂溶液进行热交换而被加热,并且部分释放的CO 2与吸收剂溶液分离 。 然后,根据需要,由此获得的部分再生的吸收剂溶液的一部分返回到从燃烧气体中除去CO 2作为CO 2吸收剂溶液的一部分的步骤,同时其余部分或全部吸收剂溶液被加热, 进料到再生塔以释放CO 2并再生吸收剂溶液。
    • 9. 发明授权
    • Method for removing carbon dioxide from combustion exhaust gas
    • 从燃烧废气中除去二氧化碳的方法
    • US6036931A
    • 2000-03-14
    • US867988
    • 1997-06-03
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • Kunihiko YoshidaTomio MimuraShigeru ShimojoMutsunori KarasakiMasaki IijimaTouru SetoShigeaki Mitsuoka
    • B01D53/14B01D53/62
    • B01D53/1475B01D53/1493Y02C10/04Y02C10/06
    • There are disclosed a method for removing CO.sub.2 from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with an aqueous solution of a hindered amine selected from the group consisting of 2-amino-2-methyl-1-propanol, 2-methylaminoethanol, 2-ethylaminoethanol and 2-piperidineethanol; and another method for removing carbon dioxide from a combustion exhaust gas which comprises the step of bringing the combustion exhaust gas under atmospheric pressure into contact with a mixed aqueous solution of 100 parts by weight of an amine compound (X) selected from the group consisting of 2-amino-2-methyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1,3-propanediol, t-butyldiethanolamine and 2-amino-2-hydroxymethyl-1,3-propanediol; and 1-25 parts by weight of an amine compound (Y) selected from the group consisting of piperazine, piperidine, morpholine, glycine, 2-methylaminoethanol, 2-piperidineethanol and 2-ethylaminoethanol.
    • 公开了一种从燃烧废气中除去CO 2的方法,其包括使大气压下的燃烧废气与受阻胺的水溶液接触的步骤,所述受阻胺的水溶液选自2-氨基-2-甲基 - 1-丙醇,2-甲基氨基乙醇,2-乙基氨基乙醇和2-哌啶乙醇; 以及从燃烧废气中除去二氧化碳的另一种方法,其包括使大气压下的燃烧废气与100重量份选自以下的胺化合物(X)的混合水溶液接触的步骤: 2-氨基-2-甲基-1,3-丙二醇,2-氨基-2-甲基-1-丙醇,2-氨基-2-乙基-1,3-丙二醇,叔丁基二乙醇胺和2-氨基-2-甲基-1-丙醇, 羟甲基-1,3-丙二醇; 和1-25重量份选自哌嗪,哌啶,吗啉,甘氨酸,2-甲基氨基乙醇,2-哌啶乙醇和2-乙基氨基乙醇的胺化合物(Y)。