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1.
公开(公告)号:US20080167178A1
公开(公告)日:2008-07-10
申请号:US11731570
申请日:2007-03-29
IPC分类号: B01J21/00 , B01J29/00 , B01J29/06 , B01J29/072
CPC分类号: B01J29/061 , B01D53/9418 , B01D2251/2062 , B01D2255/2065 , B01D2255/20738 , B01D2255/407 , B01D2255/502 , B01D2255/504 , B01D2255/908 , B01J23/002 , B01J29/072 , B01J29/076 , B01J29/40 , B01J29/405 , B01J29/7007 , B01J29/7057 , B01J29/80 , B01J37/0242 , B01J37/0246 , B01J2229/20 , B01J2523/36 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , Y02T10/24
摘要: A catalyst and a method for selectively reducing nitrogen oxides (“NOx”) with ammonia are provided. The catalyst includes a first component comprising a zeolite or mixture of zeolites selected from the group consisting of ZSM-5, ZSM-11, ZSM-12, ZSM-18, ZSM-23, MCM-zeolites, mordenite, faujasite, ferrierite, zeolite beta, and mixtures thereof; a second component comprising at least one member selected from the group consisting of cerium, iron, copper, gallium, manganese, chromium, cobalt, molybdenum, tin, rhenium, tantalum, osmium, barium, boron, calcium, strontium, potassium, vanadium, nickel, tungsten, an actinide, mixtures of actinides, a lanthanide, mixtures of lanthanides, and mixtures thereof; optionally an oxygen storage material and optionally an inorganic oxide. The catalyst selectively reduces nitrogen oxides to nitrogen with ammonia at high temperatures. The catalyst has high hydrothermal stability. The catalyst has high activity for conversion of low levels of nitrogen oxides in exhaust streams. The catalyst and the method may have special application to selective reduction of nitrogen oxides in exhaust gas from gas turbines and gas engines, although the catalyst and the method have broad application to a wide range of gas streams that have excess oxygen and high temperatures. The temperature of exhaust gas from gas turbines and gas engines is high. Both the high temperature and the low levels of inlet NOx are challenging for selective catalytic reduction (SCR) catalysts.
摘要翻译: 提供催化剂和用氨选择还原氮氧化物(“NO”x“)的方法。 催化剂包括第一组分,其包含选自ZSM-5,ZSM-11,ZSM-12,ZSM-18,ZSM-23,MCM-沸石,丝光沸石,八面沸石,镁碱沸石,沸石的沸石或沸石混合物 β及其混合物; 包含选自铈,铁,铜,镓,锰,铬,钴,钼,锡,铼,钽,锇,钡,硼,钙,锶,钾,钒中的至少一种的第二组分, 镍,钨,锕系元素,锕系元素的混合物,镧系元素,镧系元素的混合物及其混合物; 任选的储氧材料和任选的无机氧化物。 该催化剂在高温下用氨选择性还原氮氧化物至氮气。 该催化剂具有很高的水热稳定性。 该催化剂具有高的活性,用于转化废气流中低含量的氮氧化物。 催化剂和方法可以特别适用于选择性还原来自燃气轮机和燃气发动机的废气中的氮氧化物,尽管催化剂和方法广泛应用于具有过量氧气和高温的多种气流。 燃气轮机和燃气发动机的废气温度高。 进口NO x的高温和低水平对选择性催化还原(SCR)催化剂都是挑战的。
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2.
公开(公告)号:US08802582B2
公开(公告)日:2014-08-12
申请号:US11731570
申请日:2007-03-29
IPC分类号: B01J29/06
CPC分类号: B01J29/061 , B01D53/9418 , B01D2251/2062 , B01D2255/2065 , B01D2255/20738 , B01D2255/407 , B01D2255/502 , B01D2255/504 , B01D2255/908 , B01J23/002 , B01J29/072 , B01J29/076 , B01J29/40 , B01J29/405 , B01J29/7007 , B01J29/7057 , B01J29/80 , B01J37/0242 , B01J37/0246 , B01J2229/20 , B01J2523/36 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , Y02T10/24
摘要: A catalyst and a method for selectively reducing nitrogen oxides (“NOx”) with ammonia are provided. The catalyst includes a first component comprising a zeolite or mixture of zeolites selected from the group consisting of ZSM-5, ZSM-11, ZSM-12, ZSM-18, ZSM-23, MCM-zeolites, mordenite, faujasite, ferrierite, zeolite beta, and mixtures thereof; a second component comprising at least one member selected from the group consisting of cerium, iron, copper, gallium, manganese, chromium, cobalt, molybdenum, tin, rhenium, tantalum, osmium, barium, boron, calcium, strontium, potassium, vanadium, nickel, tungsten, an actinide, mixtures of actinides, a lanthanide, mixtures of lanthanides, and mixtures thereof; optionally an oxygen storage material and optionally an inorganic oxide. The catalyst selectively reduces nitrogen oxides to nitrogen with ammonia at high temperatures. The catalyst has high hydrothermal stability. The catalyst has high activity for conversion of low levels of nitrogen oxides in exhaust streams. The catalyst and the method may have special application to selective reduction of nitrogen oxides in exhaust gas from gas turbines and gas engines, although the catalyst and the method have broad application to a wide range of gas streams that have excess oxygen and high temperatures. The temperature of exhaust gas from gas turbines and gas engines is high. Both the high temperature and the low levels of inlet NOx are challenging for selective catalytic reduction (SCR) catalysts.
摘要翻译: 提供了用氨选择还原氮氧化物(“NOx”)的催化剂和方法。 催化剂包括第一组分,其包含选自ZSM-5,ZSM-11,ZSM-12,ZSM-18,ZSM-23,MCM-沸石,丝光沸石,八面沸石,镁碱沸石,沸石的沸石或沸石混合物 β及其混合物; 包含选自铈,铁,铜,镓,锰,铬,钴,钼,锡,铼,钽,锇,钡,硼,钙,锶,钾,钒中的至少一种的第二组分, 镍,钨,锕系元素,锕系元素的混合物,镧系元素,镧系元素的混合物及其混合物; 任选的储氧材料和任选的无机氧化物。 该催化剂在高温下用氨选择性还原氮氧化物至氮气。 该催化剂具有很高的水热稳定性。 该催化剂具有高的活性,用于转化废气流中低含量的氮氧化物。 催化剂和方法可以特别适用于选择性还原来自燃气轮机和燃气发动机的废气中的氮氧化物,尽管催化剂和方法广泛应用于具有过量氧气和高温的多种气流。 燃气轮机和燃气发动机的废气温度高。 入口NOx的高温和低水平都是选择性催化还原(SCR)催化剂的挑战。
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公开(公告)号:US08323601B2
公开(公告)日:2012-12-04
申请号:US12784140
申请日:2010-05-20
申请人: Rachelle Justice , Rajashekharam Malyala , Svetlana Iretskaya , Dylan Trandal , Dien To , Jason Pless , Stephen Golden , Jiho Yoo
发明人: Rachelle Justice , Rajashekharam Malyala , Svetlana Iretskaya , Dylan Trandal , Dien To , Jason Pless , Stephen Golden , Jiho Yoo
IPC分类号: B01D53/56 , B01D53/94 , B01J8/02 , B01J8/00 , C01B21/00 , C01B23/00 , C01B25/00 , C01B31/00 , C01B33/00 , C01B35/00 , C01B31/18 , C01G28/00 , C01G30/00
CPC分类号: B01J23/14 , B01D53/944 , B01D2255/1021 , B01D2255/1023 , B01D2255/206 , B01D2255/20707 , B01D2255/20715 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2258/012 , B01J21/063 , B01J21/066 , B01J23/002 , B01J23/005 , B01J23/626 , B01J23/83 , B01J23/835 , B01J23/8892 , B01J29/061 , B01J29/072 , B01J29/46 , B01J37/0246 , B01J2523/00 , F01N3/035 , F01N3/103 , F01N2370/02 , F01N2370/04 , B01J2523/17 , B01J2523/3712 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , B01J2523/43 , B01J2523/47
摘要: Embodiments of the present disclosure include a catalyst for the conversion of CO and/or hydrocarbons in an exhaust stream including a Sn compound selected from the group consisting of a binary composition comprising Sn and Ti, a ternary composition comprising Sn, Ti and Zr, and mixtures of any thereof. In those embodiments, the binary composition may include Sn(X)Ti(y)O2, wherein x+y=1, 0.85>y>0. In other embodiments of the present disclosure, the Sn compound includes a ternary composition including Sn(a)Ti(b)Zr(c)O2, wherein a is 0.25, b is 0.25 and c is 0.5. Certain embodiments of this disclosure include a method for the conversion of CO in an exhaust stream, including contacting an exhaust stream containing CO with the catalyst described above containing a Sn compound. In other embodiments, the exhaust stream includes hydrocarbons.
摘要翻译: 本公开的实施方案包括用于在包含Sn化合物的排气流中转化CO和/或烃的催化剂,所述Sn化合物选自包含Sn和Ti的二元组合物,包含Sn,Ti和Zr的三元组合物,以及 其中任何一种的混合物。 在这些实施方案中,二元组合物可以包括Sn(X)Ti(y)O 2,其中x + y = 1,0 0.85> y> 0。 在本公开的其它实施方案中,Sn化合物包括包含Sn(a)Ti(b)Zr(c)O 2的三元组合物,其中a为0.25,b为0.25,c为0.5。 本公开的某些实施方案包括用于在排气流中转化CO的方法,包括使含有CO的废气流与含有Sn化合物的上述催化剂接触。 在其它实施方案中,废气流包括烃。
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公开(公告)号:US20120286211A1
公开(公告)日:2012-11-15
申请号:US13428522
申请日:2012-03-23
IPC分类号: C01B3/22
CPC分类号: C01B3/34 , C01B3/36 , C01B32/324 , C01B32/336 , C01B2203/0211 , C01B2203/025 , C01B2203/061 , C01B2203/062 , C10B53/02 , C10G1/02 , C10G2300/1011 , C10J3/62 , C10J2300/0916 , C10J2300/0976 , C10K3/00 , Y02E50/14 , Y02P20/145 , Y02P30/20
摘要: Biomass is processed through a biomass fractioning system that creates, through the application of selective temperature ramps and pressure shocks, a series of useful volatile components and BMF char, wherein the BMF char is reacted sacrificially with any one stream of methane, carbon dioxide, steam or oxygen to create highly pure synthesis gas with a controllable range of compositions. The resulting synthesis gas may be used in any desired manner, including conversion to oxygenates such as methanol and dimethyl ether, and to hydrocarbons.
摘要翻译: 通过生物质分馏系统处理生物质,通过应用选择性温度斜坡和压力冲击,产生一系列有用的挥发性组分和BMF炭,其中BMF炭与甲烷,二氧化碳,蒸汽 或氧气以产生具有可控范围的组合物的高纯度合成气。 所得合成气可以以任何所需的方式使用,包括转化为含氧化合物如甲醇和二甲醚,以及转化成烃。
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公开(公告)号:US08372311B2
公开(公告)日:2013-02-12
申请号:US13428522
申请日:2012-03-23
CPC分类号: C01B3/34 , C01B3/36 , C01B32/324 , C01B32/336 , C01B2203/0211 , C01B2203/025 , C01B2203/061 , C01B2203/062 , C10B53/02 , C10G1/02 , C10G2300/1011 , C10J3/62 , C10J2300/0916 , C10J2300/0976 , C10K3/00 , Y02E50/14 , Y02P20/145 , Y02P30/20
摘要: Biomass is processed through a biomass fractioning system that creates, through the application of selective temperature ramps and pressure shocks, a series of useful volatile components and BMF char, wherein the BMF char is reacted sacrificially with any one stream of methane, carbon dioxide, steam or oxygen to create highly pure synthesis gas with a controllable range of compositions. The resulting synthesis gas may be used in any desired manner, including conversion to oxygenates such as methanol and dimethyl ether, and to hydrocarbons.
摘要翻译: 通过生物质分馏系统处理生物质,通过应用选择性温度斜坡和压力冲击,产生一系列有用的挥发性组分和BMF炭,其中BMF炭与甲烷,二氧化碳,蒸汽 或氧气以产生具有可控范围的组合物的高纯度合成气。 所得合成气可以以任何所需的方式使用,包括转化为含氧化合物如甲醇和二甲醚,以及转化成烃。
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公开(公告)号:US08143464B2
公开(公告)日:2012-03-27
申请号:US13071016
申请日:2011-03-24
IPC分类号: C10L1/00
CPC分类号: C10G1/002 , C10B53/02 , C10G3/42 , C10G50/00 , C10L1/04 , C10L3/08 , C10L2200/0469 , C10L2290/06 , Y02E50/13 , Y02E50/14 , Y02E50/32 , Y02P30/20
摘要: Multiple catalytic processing stations enable a method for producing volatile gas streams from biomass decomposition at discrete increasing temperatures. These catalytic processing stations can be programmed to maximize conversion of biomass to useful renewable fuel components based on input feedstock and desired outputs.
摘要翻译: 多个催化加工站实现了在不断增加的温度下从生物量分解产生挥发性气体流的方法。 这些催化加工站可以被编程为基于输入原料和期望的输出使生物质转化成有用的可再生燃料组分。
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公开(公告)号:US08137628B2
公开(公告)日:2012-03-20
申请号:US13071038
申请日:2011-03-24
CPC分类号: C10G1/002 , C10G2300/1014 , C10G2300/4006 , C10G2300/44 , Y02P30/20
摘要: Multiple catalytic processing stations couple with a system which produces volatile gas streams from biomass decomposition at discrete increasing temperatures. These catalytic processing stations can be programmed to maximize conversion of biomass to useful renewable fuel components based on input feedstock and desired outputs.
摘要翻译: 多个催化加工站与在不连续增加的温度下从生物质分解产生挥发性气体流的系统耦合。 这些催化加工站可以被编程为基于输入原料和期望的输出使生物质转化成有用的可再生燃料组分。
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公开(公告)号:US20130211147A1
公开(公告)日:2013-08-15
申请号:US13567991
申请日:2012-08-06
CPC分类号: B01J21/16 , B01J21/04 , B01J23/80 , B01J29/04 , B01J35/0006 , B01J35/1014 , B01J37/0009 , B01J37/031 , B01J37/04 , B01J37/06 , B01J2523/00 , C07C41/01 , C07C41/09 , C07C43/043 , B01J2523/17 , B01J2523/27 , B01J2523/31
摘要: A catalyst and process for synthesis of dimethyl ether from synthesis gas are disclosed. The catalyst and process allow dimethyl ether synthesis at low pressures (below 20 bars) at a conversion rate close to the expected equilibrium rate. The catalyst is a combination of a methanol synthesis catalyst and a methanol dehydration catalyst, wherein the dehydration catalyst is a mixture of dehydration agents which allow optimum production of dimethyl ether.
摘要翻译: 公开了从合成气合成二甲醚的催化剂和方法。 催化剂和方法使二甲醚在低压(低于20巴)下合成,转化率接近预期的平衡速率。 催化剂是甲醇合成催化剂和甲醇脱水催化剂的组合,其中脱水催化剂是允许二甲醚最佳生产的脱水剂的混合物。
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公开(公告)号:US20120189498A1
公开(公告)日:2012-07-26
申请号:US13361828
申请日:2012-01-30
IPC分类号: G05D23/00
CPC分类号: C10G1/002 , C10G2300/1014 , C10G2300/4006 , C10G2300/44 , Y02P30/20
摘要: Multiple catalytic processing stations couple with a system which produces volatile gas streams from biomass decomposition at discrete increasing temperatures. These catalytic processing stations can be programmed to maximize conversion of biomass to useful renewable fuel components based on input feedstock and desired outputs.
摘要翻译: 多个催化加工站与在不连续增加的温度下从生物质分解产生挥发性气体流的系统耦合。 这些催化加工站可以被编程为基于输入原料和期望的输出使生物质转化成有用的可再生燃料组分。
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公开(公告)号:US20110212004A1
公开(公告)日:2011-09-01
申请号:US13071038
申请日:2011-03-24
IPC分类号: B01J8/00
CPC分类号: C10G1/002 , C10G2300/1014 , C10G2300/4006 , C10G2300/44 , Y02P30/20
摘要: Multiple catalytic processing stations couple with a system which produces volatile gas streams from biomass decomposition at discrete increasing temperatures. These catalytic processing stations can be programmed to maximize conversion of biomass to useful renewable fuel components based on input feedstock and desired outputs.
摘要翻译: 多个催化加工站与在不连续增加的温度下从生物质分解产生挥发性气体流的系统耦合。 这些催化加工站可以被编程为基于输入原料和期望的输出使生物质转化成有用的可再生燃料组分。
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