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公开(公告)号:US20110047988A1
公开(公告)日:2011-03-03
申请号:US12550970
申请日:2009-08-31
申请人: Larry Neil Lewis , Benjamin Hale Winkler , Dan Hancu , Daniel George Norton , Ashish Balkrishna Mhadeshwar
发明人: Larry Neil Lewis , Benjamin Hale Winkler , Dan Hancu , Daniel George Norton , Ashish Balkrishna Mhadeshwar
CPC分类号: B01J35/0006 , B01D53/9418 , B01D53/945 , B01D53/9477 , B01D2251/208 , B01D2255/104 , B01D2255/20707 , B01D2255/2073 , B01D2255/20776 , B01J21/04 , B01J23/50 , B01J29/061 , B01J29/072 , B01J35/1061 , B01J37/0215 , F01N3/2807 , F01N3/36 , F01N13/009 , F01N2240/30 , Y02T10/20 , Y02T10/22
摘要: A catalyst system comprising a first catalytic composition comprising a first catalytic material disposed on a metal inorganic support; wherein the metal inorganic support has pores; and at least one promoting metal. The catalyst system further comprises a second catalytic composition comprising, (i) a zeolite, or (ii) a first catalytic material disposed on a first substrate, the first catalytic material comprising an element selected from the group consisting of tungsten, titanium, and vanadium. The catalyst system may further comprise a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. A catalyst system comprising a first catalytic composition, the second catalytic composition, and the third catalytic composition is also provided. An exhaust system comprising the catalyst systems described herein is also provided.
摘要翻译: 一种催化剂体系,其包含第一催化剂组合物,其包含设置在金属无机载体上的第一催化材料; 其中所述金属无机载体具有孔; 和至少一种促进金属。 催化剂体系还包括第二催化剂组合物,其包含(i)沸石,或(ii)设置在第一基材上的第一催化材料,所述第一催化材料包含选自钨,钛和钒的元素 。 催化剂体系还可包含第三催化组合物。 催化剂体系还可以包括配置成递送还原剂和任选的共还原剂的递送系统。 还提供了包含第一催化组合物,第二催化组合物和第三催化组合物的催化剂体系。 还提供了包括本文所述的催化剂体系的排气系统。
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22.
公开(公告)号:US20100143227A1
公开(公告)日:2010-06-10
申请号:US12328942
申请日:2008-12-05
IPC分类号: B01J29/06 , B01J29/064 , B01D53/56 , B01J29/072
CPC分类号: B01D53/9418 , B01D2255/104 , B01D2255/20715 , B01D2255/50 , B01D2258/012 , B01J23/38 , B01J23/48 , B01J23/50 , B01J23/74 , B01J29/064 , B01J29/126 , B01J29/22 , B01J29/44 , B01J29/65 , B01J29/67 , B01J29/7415 , B01J35/0006 , B01J35/04 , B01J35/1019 , B01J37/0009 , B01J37/0018 , B01J37/0215 , B01J37/04 , B01J37/32 , B01J2229/42
摘要: Disclosed herein is a catalyst comprising a binder; and a catalytic composition, the catalytic composition comprising a first catalyst composition that comprises a zeolite; and a second catalyst composition that comprises a catalytic metal disposed upon a porous inorganic material, wherein the porous inorganic material is a metal oxide, an inorganic oxide, an inorganic carbide, an inorganic nitride, an inorganic hydroxide, an inorganic oxide having a hydroxide coating, an inorganic carbonitride, an inorganic oxynitride, an inorganic boride, an inorganic borocarbide, or a combination comprising at least one of the foregoing inorganic materials; wherein the catalyst is in the form of an extrudate or foam.
摘要翻译: 本文公开了包含粘合剂的催化剂; 和催化组合物,所述催化组合物包含包含沸石的第一催化剂组合物; 以及第二催化剂组合物,其包含设置在多孔无机材料上的催化金属,其中所述多孔无机材料是金属氧化物,无机氧化物,无机碳化物,无机氮化物,无机氢氧化物,具有氢氧化物涂层的无机氧化物 无机碳氮化物,无机氮氧化物,无机硼化物,无机硼化物或包含至少一种上述无机材料的组合; 其中催化剂是挤出物或泡沫的形式。
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公开(公告)号:US20100095591A1
公开(公告)日:2010-04-22
申请号:US12254224
申请日:2008-10-20
申请人: Dan Hancu , Ashish Balkrishna Mhadeshwar , Daniel George Norton , Frederic Vitse , Benjamin Hale Winkler
发明人: Dan Hancu , Ashish Balkrishna Mhadeshwar , Daniel George Norton , Frederic Vitse , Benjamin Hale Winkler
CPC分类号: B01J35/0006 , B01D53/9431 , B01D2251/208 , B01D2255/104 , B01D2257/404 , B01D2258/01 , B01J8/001 , B01J8/0438 , B01J23/40 , B01J23/50 , B01J29/068 , B01J37/0246 , B01J2208/00061 , B01J2219/00202 , B01J2219/00231 , C01B3/40 , C01B2203/0244 , C01B2203/0261 , C01B2203/1047 , C01B2203/1064 , C01B2203/107 , F01N3/106 , F01N3/2066 , F01N13/009 , F01N13/017 , F01N2240/30 , F01N2610/03 , F01N2610/04 , Y02P20/52 , Y02T10/24
摘要: A system includes a fuel converter comprising a catalyst composition, and the catalyst composition can convert fuel into a hydrocarbon reductant stream; a separation system that separates the hydrocarbon reductant stream into a first reductant sub-stream that comprises short chain hydrocarbon molecules, and a second reductant sub-stream that comprises long chain hydrocarbon molecules; a selective catalytic reduction catalyst reactor in fluid communication with the fuel converter, and the catalyst reactor has an inner surface that defines a first zone and a second zone, and the first zone is configured to receive the second reductant sub-stream, and the second zone is configured to receive the first reductant sub-stream; and an exhaust stream that flows into the first zone contacts the second reductant sub-stream before flowing into the second zone and contacting the first reductant sub-stream.
摘要翻译: 一种系统包括燃料转化器,其包括催化剂组合物,并且催化剂组合物可将燃料转化为烃还原剂流; 分离系统,其将烃还原剂流分离成包含短链烃分子的第一还原剂子流和包含长链烃分子的第二还原剂子流; 与所述燃料转化器流体连通的选择性催化还原催化剂反应器,并且所述催化剂反应器具有限定第一区和第二区的内表面,并且所述第一区被配置为接收所述第二还原子流,所述第二区 区域被配置为接收第一还原子流; 并且流入第一区域的排气流在流入第二区域并接触第一还原剂子流之前接触第二还原剂子流。
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24.
公开(公告)号:US07655203B2
公开(公告)日:2010-02-02
申请号:US12204845
申请日:2008-09-05
CPC分类号: B01D53/8628 , B01D53/9477 , B01D2255/50 , B01J23/08 , B01J23/14 , B01J23/24 , B01J23/62 , B01J23/66 , B01J35/0006 , B01J37/0246
摘要: A catalyst system for the reduction of NOx is disclosed. One embodiment of the catalyst system is based on a catalyst in a first zone, including a catalyst support, gallium, and at least one promoting metal; and a catalyst in the second zone following the first zone. The second-zone catalyst includes a second catalyst support and a zeolite material. The catalyst system further includes a gas stream comprising an organic reductant, such as a hydrocarbon material or a compound containing oxygen or nitrogen. A method for reducing NOx, utilizing the catalyst system, is also described.
摘要翻译: 公开了一种用于还原NOx的催化剂体系。 催化剂体系的一个实施方案是基于第一区域中的催化剂,其包括催化剂载体,镓和至少一种促进金属; 以及在第一区之后的第二区中的催化剂。 第二区催化剂包括第二催化剂载体和沸石材料。 催化剂体系还包括含有有机还原剂如烃材料或含氧或氮的化合物的气流。 还描述了利用催化剂体系来还原NOx的方法。
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公开(公告)号:US20090173058A1
公开(公告)日:2009-07-09
申请号:US11971259
申请日:2008-01-09
CPC分类号: F01N3/208 , F01N11/00 , F01N2240/30 , F01N2560/026 , F01N2610/03 , F01N2610/06 , Y02T10/24 , Y02T10/47
摘要: A system is provided for the on-board production of reductants. The system comprises a fuel tank adapted to directly or indirectly supply a first fuel stream and a second fuel stream. An engine is in fluid communication with the fuel tank, and is configured to receive the first fuel stream and create an exhaust stream. The system further includes an emission treatment unit to treat the exhaust stream. A fuel conversion unit is configured to receive the second fuel stream, and also receive a stream comprising oxygen to partially oxidize at least a portion of the second fuel stream thereby forming reductants. In addition, the fuel conversion unit is configured to supply a reductant stream comprising the reductants to the exhaust stream. The invention further provides a method for the on-board production of reductants including supplying a first fuel stream to an engine, wherein the engine is configured to create an exhaust stream. A second fuel stream and a stream comprising oxygen are supplied to a fuel conversion unit. At least a portion of the second fuel stream is partially oxidized in the fuel conversion unit to form reductants, and a reductant stream comprising the reductants is supplied to the exhaust stream. The selective catalytic reduction of NOx present in the exhaust stream is performed.
摘要翻译: 提供了用于车载生产还原剂的系统。 该系统包括适于直接或间接地供应第一燃料流和第二燃料流的燃料箱。 发动机与燃料箱流体连通,并且构造成接收第一燃料流并产生排气流。 该系统还包括用于处理废气流的排放处理单元。 燃料转换单元被构造成接收第二燃料流,并且还接收包含氧的流以部分地氧化至少一部分第二燃料流,从而形成还原剂。 此外,燃料转化单元构造成将包含还原剂的还原剂流供应到排气流。 本发明还提供一种用于车载生产还原剂的方法,包括向发动机提供第一燃料流,其中发动机被配置成产生排气流。 第二燃料流和包含氧气的流被供应到燃料转化单元。 第二燃料流的至少一部分在燃料转化单元中被部分氧化以形成还原剂,并且将包含还原剂的还原剂流供应到废气流中。 执行排气流中存在的NOx的选择性催化还原。
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公开(公告)号:US20070092421A1
公开(公告)日:2007-04-26
申请号:US11242655
申请日:2005-10-04
申请人: Dan Hancu , Jonathan Male , Jennifer Redline , Stanlee Buddle , Teresa Rocha , Alison Palmatier , Benjamin Wood , Job Rijssenbeek
发明人: Dan Hancu , Jonathan Male , Jennifer Redline , Stanlee Buddle , Teresa Rocha , Alison Palmatier , Benjamin Wood , Job Rijssenbeek
IPC分类号: B01D53/56
CPC分类号: B01D53/8628 , B01D53/9477 , B01J23/10 , B01J23/34 , B01J23/62 , B01J23/83 , B01J23/888 , B01J23/8892 , B01J35/0006
摘要: Disclosed is a catalyst system for the reduction of NOx. The catalyst system comprises a catalyst in a first zone comprising a catalyst support, a catalytic metal comprising gallium, and at least one promoting metal selected from the group consisting of silver, gold, vanadium, zinc, tin, bismuth, cobalt, molybdenum, tungsten, indium and mixtures thereof; a catalyst in the second zone following the first zone; the catalyst comprising a second catalyst support, a second catalytic metal selected from the group consisting of indium, copper, manganese, tungsten, molybdenum, titanium, vanadium, iron, cerium and mixtures thereof. The catalyst system further comprises a gas stream comprising an organic reductant comprising oxygen or nitrogen. The catalyst system may further optionally comprise a catalyst in a third zone following the second zone; the catalyst comprising a third catalyst support and a third catalytic metal selected from the group consisting of platinum, palladium, and mixtures thereof. A method for reducing NOx utilizing the catalyst system is also provided.
摘要翻译: 公开了一种用于还原NO x的催化剂体系。 催化剂体系包括在包含催化剂载体,包含镓的催化金属和至少一种选自银,金,钒,锌,锡,铋,钴,钼,钨的促进金属的第一区中的催化剂 ,铟及其混合物; 在第一区之后的第二区中的催化剂; 所述催化剂包含第二催化剂载体,选自铟,铜,锰,钨,钼,钛,钒,铁,铈及其混合物的第二催化金属。 催化剂体系还包括含有包含氧或氮的有机还原剂的气流。 催化剂体系还可以任选地包括在第二区之后的第三区中的催化剂; 所述催化剂包含第三催化剂载体和选自铂,钯及其混合物的第三催化金属。 还提供了利用催化剂体系还原NO x的方法。
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公开(公告)号:US06399794B1
公开(公告)日:2002-06-04
申请号:US09998939
申请日:2001-11-15
申请人: Dan Hancu
发明人: Dan Hancu
IPC分类号: C07D30106
CPC分类号: C07D301/04
摘要: The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a modifier and a catalyst comprising a noble metal and titanium zeolite. The modifier is (a) calcium carbonate in the presence of carbon dioxide or (b) ammonium bicarbonate. The process results in increased catalyst activity, selectivity to epoxide, and increased catalyst life.
摘要翻译: 本发明是一种在改性剂和包含贵金属和钛沸石的催化剂存在下用氢和氧环氧化烯烃的方法。 改性剂是(a)在二氧化碳存在下的碳酸钙或(b)碳酸氢铵。 该方法导致催化剂活性增加,对环氧化物的选择性增加,催化剂寿命增加。
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公开(公告)号:US08871669B2
公开(公告)日:2014-10-28
申请号:US12789592
申请日:2010-05-28
IPC分类号: B01J23/00 , B01J21/00 , B01J20/00 , B01J35/10 , B01J37/02 , B01J23/38 , B01J37/03 , B01J23/40 , B01J23/48 , B01J21/04 , B01J23/50 , B01J23/74 , B01D53/94
CPC分类号: B01J35/1061 , B01D53/9418 , B01D2255/1021 , B01D2255/1023 , B01D2255/104 , B01D2255/106 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/2092 , B01D2255/9205 , B01D2257/404 , B01D2258/012 , B01J21/04 , B01J23/38 , B01J23/40 , B01J23/48 , B01J23/50 , B01J23/74 , B01J37/0201 , B01J37/0203 , B01J37/0242 , B01J37/033 , B01J37/036
摘要: A catalyst composition is provided comprising a homogeneous solid mixture having ordered directionally aligned tubular meso-channel pores having an average diameter in a range of about 1 nanometer to about 15 nanometers, wherein the homogeneous solid mixture is prepared from a gel formed in the presence of a solvent, modifier, an inorganic salt precursor of a catalytic metal, an inorganic precursor of a metal inorganic network, and a templating agent. The templating agent comprises an octylphenol ethoxylate having a structure [I]: wherein “n” is an integer having a value of about 8 to 20.
摘要翻译: 提供了一种催化剂组合物,其包含均匀的固体混合物,其具有排列方向取向的管状中孔通道孔,其平均直径在约1纳米至约15纳米的范围内,其中均匀的固体混合物由在存在 溶剂,改性剂,催化金属的无机盐前体,金属无机网络的无机前体和模板剂。 模板剂包含具有[I]结构的辛基酚乙氧基化物:其中“n”是具有约8至20的值的整数。
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公开(公告)号:US08101145B1
公开(公告)日:2012-01-24
申请号:US12873141
申请日:2010-08-31
申请人: Daniel George Norton , Benjamin Hale Winkler , Ashish Balkrishna Mhadeshwar , Dan Hancu , Stanlee Teresa Buddle
发明人: Daniel George Norton , Benjamin Hale Winkler , Ashish Balkrishna Mhadeshwar , Dan Hancu , Stanlee Teresa Buddle
CPC分类号: B01D53/90 , B01D53/9431 , B01D53/9495 , B01D2251/208 , B01D2251/21 , B01D2255/104 , B01D2255/9205 , F01N3/208 , F01N2560/026 , F01N2610/03 , F01N2900/1402 , F01N2900/1404 , F01N2900/1411 , F01N2900/1622 , Y02C20/10 , Y02T10/24 , Y10S423/05
摘要: An exhaust treatment system is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The exhaust treatment system includes an exhaust source, a reductant source, a nitrogen oxide (NOx) reduction catalyst, a sensor, and a controller. The reductant source includes a first reductant and second reductant, and is disposed to inject a reductant stream into an exhaust stream from the exhaust source. The NOx catalyst is disposed to receive both the exhaust stream and reductant stream. The sensor is disposed to sense a system parameter related to carbon loading of the catalyst and produce a signal corresponding to the system parameter. The controller is disposed to receive the signal and to control dosing of the reductant stream based at least in part on the signal.
摘要翻译: 提供排气处理系统。 讨论了使用两种或更多种还原剂增加NOx还原催化剂活化的方法。 排气处理系统包括排气源,还原剂源,氮氧化物(NOx)还原催化剂,传感器和控制器。 还原剂源包括第一还原剂和第二还原剂,并且被设置成将还原剂流注入到来自排气源的废气流中。 NOx催化剂被设置成接收排气流和还原剂流两者。 传感器被设置为感测与催化剂的碳负载相关的系统参数,并产生对应于系统参数的信号。 控制器设置成接收信号并且至少部分地基于信号来控制还原剂流的计量。
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公开(公告)号:US20110239622A1
公开(公告)日:2011-10-06
申请号:US12751183
申请日:2010-03-31
CPC分类号: F01N3/2066 , B01D53/90 , B01D53/9418 , B01D2251/208 , B01D2255/104 , B01D2255/2092 , B01D2255/30 , B01D2255/9207 , B01D2257/404 , F01N3/2828 , F01N2240/02 , F01N2240/16 , F01N2240/30 , F01N2330/06 , F01N2330/48 , F01N2370/04 , F01N2610/03 , Y02T10/24
摘要: An emission treatment system is provided. The emission treatment system comprises a separation system and a selective catalytic reduction (SCR) catalyst. The separation system comprises a separator, a fuel inlet disposed to supply fuel to the separator, a first fuel outlet and a second fuel outlet respectively disposed to carry away fuel from the separator. The SCR catalyst comprises a catalyst composition comprising silver and templated metal oxide substrate. The emission treatment system is designed such that the separation system is configured to be in fluid communication with the SCR catalyst through the first fuel outlet during operation. A system including the emission treatment system and a combustion engine is also provided. Method of increasing NOx reduction efficiency of the SCR catalyst using fuel fraction is discussed.
摘要翻译: 提供排放处理系统。 排放处理系统包括分离系统和选择性催化还原(SCR)催化剂。 分离系统包括分离器,设置成向分离器供应燃料的燃料入口,分别设置成从分离器携带燃料的第一燃料出口和第二燃料出口。 SCR催化剂包含包含银和模板化金属氧化物底物的催化剂组合物。 排气处理系统被设计成使得分离系统被配置为在操作期间通过第一燃料出口与SCR催化剂流体连通。 还提供了包括排放处理系统和内燃机的系统。 讨论了使用燃料馏分提高SCR催化剂的NOx还原效率的方法。
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