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    • 1. 发明授权
    • Selective removing method of carbon monoxide
    • 选择性去除一氧化碳的方法
    • US06528032B1
    • 2003-03-04
    • US09588708
    • 2000-06-07
    • Shigeru NojimaToshinobu Yasutake
    • Shigeru NojimaToshinobu Yasutake
    • B01D5362
    • C01B3/583B01D53/864C01B2203/044C01B2203/047
    • According to the present invention, provided is a method of selectively removing carbon monoxide, comprising the step of preparing a catalyst bed capable of selectively oxidizing carbon monoxide and including a plurality of catalyst layers arranged in series and the plurality of catalyst layers differing from each other in the temperature of application and arranged in the order of the application temperature such that the catalyst layer having the lowest application temperature constitutes the upstream side of the catalyst bed, and the step of introducing a gaseous mixture containing H2, CO and an oxidizing agent of O2 into the catalyst bed through the upstream side of the catalyst bed and supplying an additional oxidizing agent to the gaseous mixture when the gaseous mixture is introduced into the catalyst layer having a high application temperature so as to selectively oxidize and remove CO from the gaseous mixture.
    • 根据本发明,提供了一种选择性地除去一氧化碳的方法,包括制备能够选择性地氧化一氧化碳并且包括多个彼此排列的催化剂层并且彼此不同的催化剂层的催化剂床的步骤 在施加温度下按照施加温度的顺序排列,使得具有最低施用温度的催化剂层构成催化剂床的上游侧,以及引入含有H 2,CO和氧化剂的气态混合物的步骤 O 2通过催化剂床的上游侧进入催化剂床,并且当将气体混合物引入具有高施用温度的催化剂层中时,向气态混合物供应另外的氧化剂,以便选择性地从气体混合物中氧化和除去CO 。
    • 2. 发明授权
    • Carbon dioxide capture process with regenerable sorbents
    • 二氧化碳捕获过程与可再生的吸附剂
    • US06387337B1
    • 2002-05-14
    • US09616871
    • 2000-07-14
    • Henry W. PennlineJames S. Hoffman
    • Henry W. PennlineJames S. Hoffman
    • B01D5362
    • B01D53/08B01D2251/30B01D2251/40B01D2251/602B01D2251/604B01D2251/606B01D2253/102B01D2253/104B01D2253/106B01D2253/108B01D2253/25B01D2257/504B01D2259/40086B01D2259/40088Y02C10/04Y02C10/08
    • A process to remove carbon dioxide from a gas stream using a cross-flow, or a moving-bed reactor. In the reactor the gas contacts an active material that is an alkali-metal compound, such as an alkali-metal carbonate, alkali-metal oxide, or alkali-metal hydroxide; or in the alternative, an alkaline-earth metal compound, such as an alkaline-earth metal carbonate, alkaline-earth metal oxide, or alkaline-earth metal hydroxide. The active material can be used by itself or supported on a substrate of carbon, alumina, silica, titania or aluminosilicate. When the active material is an alkali-metal compound, the carbon-dioxide reacts with the metal compound to generate bicarbonate. When the active material is an alkaline-earth metal, the carbon dioxide reacts with the metal compound to generate carbonate. Spent sorbent containing the bicarbonate or carbonate is moved to a second reactor where it is heated or treated with a reducing agent such as, natural gas, methane, carbon monoxide hydrogen, or a synthesis gas comprising of a combination of carbon monoxide and hydrogen. The heat or reducing agent releases carbon dioxide gas and regenerates the active material for use as the sorbent material in the first reactor. New sorbent may be added to the regenerated sorbent prior to subsequent passes in the carbon dioxide removal reactor.
    • 使用横流或移动床反应器从气流中除去二氧化碳的方法。 在反应器中,气体与作为碱金属化合物的活性物质接触,例如碱金属碳酸盐,碱金属氧化物或碱金属氢氧化物; 或者替代地,碱土金属化合物,例如碱土金属碳酸盐,碱土金属氧化物或碱土金属氢氧化物。 活性材料可以单独使用或负载在碳,氧化铝,二氧化硅,二氧化钛或硅铝酸盐的基材上。 当活性物质是碱金属化合物时,二氧化碳与金属化合物反应产生碳酸氢盐。 当活性物质是碱土金属时,二氧化碳与金属化合物反应产生碳酸盐。 将含有碳酸氢盐或碳酸盐的废吸附剂移至第二反应器,在其中用还原剂如天然气,甲烷,一氧化碳氢气或包含一氧化碳和氢气的组合的合成气进行加热或处理。 热或还原剂释放二氧化碳气体并再生活性物质,用作第一反应器中的吸附剂材料。 在二氧化碳去除反应器中随后通过之前,可将新的吸附剂加入到再生吸附剂中。
    • 3. 发明授权
    • Selective removing method of carbon monoxide
    • 选择性去除一氧化碳的方法
    • US06531106B1
    • 2003-03-11
    • US09588714
    • 2000-06-07
    • Shigeru NojimaToshinobu Yasutake
    • Shigeru NojimaToshinobu Yasutake
    • B01D5362
    • C01B3/583B01D53/864C01B2203/044C01B2203/047
    • According to the present invention, provided is a method of selectively removing carbon monoxide, comprising the steps of preparing a catalyst bed capable of selectively oxidizing carbon monoxide and including a plurality of catalyst layers arranged in series and the plurality of catalyst layers differing from each other in the temperature of application and arranged in the order of the application temperature such that the catalyst layer having the highest application temperature constitutes the upstream side of the catalyst bed, and introducing a gaseous mixture containing H2, CO and an oxidizing agent of O2 into the catalyst bed through the upstream side of the catalyst bed so as to selectively oxidize and remove CO from the gaseous mixture.
    • 根据本发明,提供了一种选择性地除去一氧化碳的方法,包括以下步骤:制备能够选择性地氧化一氧化碳并包括多个串联排列的催化剂层的催化剂床,并且所述多个催化剂层彼此不同 在施加温度下按照施加温度的顺序排列,使得具有最高施用温度的催化剂层构成催化剂床的上游侧,并将含有H 2,CO和O 2的氧化剂的气态混合物引入到 催化剂床通过催化剂床的上游侧,以便选择性地从气体混合物中氧化和除去CO。
    • 6. 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)。
    • 7. 发明授权
    • Apparatus and method for reducing carbon monoxide concentration and catalyst for selectively oxidizing carbon monoxide
    • 用于减少一氧化碳浓度的装置和方法以及用于选择性氧化一氧化碳的催化剂
    • US06350423B1
    • 2002-02-26
    • US09509384
    • 2000-03-27
    • Satoshi Aoyama
    • Satoshi Aoyama
    • B01D5362
    • C01B3/583B01J23/58C01B2203/044C01B2203/047H01M8/0662
    • The present invention provides a technique of reducing the concentration of carbon monoxide included in a hydrogen rich gas, which is fed as a supply of gaseous fuel to fuel cells. It is required that the activity of a carbon monoxide selective oxidation reaction for reducing the concentration of carbon monoxide is kept at a sufficiently high level in a wider temperature range. A CO selective oxidation unit 34, which reduces the concentration of carbon monoxide included in a hydrogen rich gas fed to fuel cells 20, has a carbon monoxide selective oxidation catalyst that includes a second element, such as lithium, in addition to ruthenium as a primary component. This arrangement enables the activity of the carbon monoxide selective oxidation reaction in the CO selective oxidation unit 34 to be kept at a sufficiently high level in a wider temperature range.
    • 本发明提供了一种降低富含气体的一氧化碳浓度的技术,该气体作为气体燃料供给燃料电池而被供给。 需要在较宽的温度范围内将一氧化碳选择氧化反应的活性降低到足够高的水平。 一种CO选择氧化装置34,其将包含在供给燃料电池20的富氢气体中的一氧化碳的浓度降低,除了钌作为主要原料之外,还具有一氧化碳选择氧化催化剂,其包括诸如锂的第二元素,例如锂。 零件。 这种布置使得CO选择氧化单元34中的一氧化碳选择氧化反应的活性在更宽的温度范围内保持在足够高的水平。