-
公开(公告)号：US20130248770A1
公开(公告)日：2013-09-26
申请号：US13821882
申请日：2011-08-19
IPC分类号： C01B3/02
CPC分类号： C01B3/02 , B01J8/067 , B01J19/02 , B01J2219/0236 , B01J2219/024 , F28F19/02
摘要： A process for passivation of surfaces of heat exchange apparatus exposed to a synthesis gas containing carbon monoxide, includes the steps of: adding arsine to the synthesis gas to provide a total As concentration in the synthesis gas in range 0.001 to 10 ppmv, (ii) exposing the mixture of hot synthesis gas and arsine to the shell-side surfaces of said heat exchange apparatus to reduce the interaction between the carbon monoxide present in said gas and metals in said surfaces, (iii) recovering a cooled synthesis gas from the shell-side of said apparatus, and (iv) passing the cooled synthesis gas, optionally after further cooling, through a sorbent bed to remove arsenic compounds from the synthesis gas.
摘要翻译： 一种暴露于含有一氧化碳的合成气体的热交换装置的表面的钝化方法包括以下步骤：向合成气中加入胂以提供合成气中的总As浓度范围为0.001至10ppmv，（ii） 将热合成气和胂的混合物暴露于所述热交换装置的壳侧表面，以减少所述气体中存在的一氧化碳和所述表面中的金属之间的相互作用，（iii）从壳层中回收冷却的合成气， （iv）任选地在进一步冷却之后将冷却的合成气通过吸附剂床以从合成气中除去砷化合物。
-
公开(公告)号：US08470202B2
公开(公告)日：2013-06-25
申请号：US12091258
申请日：2006-10-10
CPC分类号： B01J8/0496 , B01J19/002 , B01J2219/02 , C01B3/38 , C01B2203/0227 , C01B2203/0261 , C01B2203/0495 , C07C29/1518 , C07C41/01 , C10G2/32 , C23F11/02 , C07C31/04 , C07C43/043
摘要： A method for passivating low-alloy steel surfaces in apparatus operating in the temperature range 350 to 580° C. and exposed to a carbon monoxide containing gas mixture comprises adding a passivating compound containing at least one phosphorus (P) atom to the gas mixture. The gas mixture is preferably a reformed gas and also described is a process for producing a synthesis gas wherein, prior to cooling a reformed gas mixture to a temperature between 350 and 580° C. in apparatus having low-alloy steel surfaces downstream of one or more reforming steps, a passivating compound containing at least one phosphorus (P) atom is combined with the gas mixture.
摘要翻译： 在350至580℃的温度范围内操作并暴露于含一氧化碳的气体混合物的设备中钝化低合金钢表面的方法包括向气体混合物中加入含有至少一个磷（P）原子的钝化化合物。 气体混合物优选是重整气体，并且还描述了一种生产合成气的方法，其中在将重整气体混合物冷却至350-580℃之间的温度之前，在具有低合金钢表面的装置中， 更多的重整步骤，含有至少一个磷（P）原子的钝化化合物与气体混合物组合。
-
公开(公告)号：US07727509B2
公开(公告)日：2010-06-01
申请号：US10499227
申请日：2002-12-16
IPC分类号： C01B3/24
CPC分类号： B01J19/002 , B01J8/0496 , B01J8/067 , B01J19/02 , B01J2208/00168 , B01J2208/00212 , B01J2208/00707 , B01J2219/00006 , B01J2219/00272 , B01J2219/0204 , B01J2219/0236 , C01B3/382 , C01B3/384 , C01B2203/0233 , C01B2203/0244 , C01B2203/0811 , C01B2203/0822 , C01B2203/0827 , C01B2203/0844 , C01B2203/1052 , C01B2203/1064 , C01B2203/1235 , C01B2203/127 , C01B2203/141 , C23F11/02 , Y02P20/128
摘要： A method for reducing the interaction between carbon monoxide present in a heat exchange medium and metals on the shell side of heat exchange reformer apparatus used for reforming of hydrocarbons by treatment of the shell-side of said apparatus with an effective amount of at least one passivation compound containing at least one element selected from phosphorus, tin, antimony, arsenic, lead, bismuth, copper, germanium, silver or gold is described. Where volatile compounds are formed by the passivation compound, the method further comprises compound recovery to prevent contamination and deactivation of subsequent process steps. The method reduces side reactions, provides improved reformer tube lifetime and allows tubes to be treated in-situ without the need for process shutdown.
摘要翻译： 一种用于通过用有效量的至少一种钝化处理所述装置的壳侧来减少在热交换介质中存在的一氧化碳与用于重整烃的热交换重整装置的壳侧上的金属之间的相互作用的方法 描述了含有选自磷，锡，锑，砷，铅，铋，铜，锗，银或金中的至少一种元素的化合物。 当通过钝化化合物形成挥发性化合物时，该方法还包括化合物回收以防止后续工艺步骤的污染和失活。 该方法减少了副反应，提供了改进的重整器管寿命，并允许管原位处理，而不需要过程关闭。
-
公开(公告)号：US20140158942A1
公开(公告)日：2014-06-12
申请号：US14123809
申请日：2012-05-22
申请人： Peter Edward James Abbott , Martin Fowles , Antonio Chica Lara , Norman Macleod , Juan Jose Gonzalez Perez , Elaine Margaret Vass
发明人： Peter Edward James Abbott , Martin Fowles , Antonio Chica Lara , Norman Macleod , Juan Jose Gonzalez Perez , Elaine Margaret Vass
IPC分类号： B01J23/887 , C01B3/16
CPC分类号： B01J23/8872 , B01J21/063 , B01J23/85 , B01J23/882 , B01J35/026 , B01J37/0009 , B01J37/024 , C01B3/16 , C01B2203/0283 , C01B2203/1041 , C01B2203/1052 , C01B2203/1082 , Y02P20/52
摘要： A catalyst precursor for preparing a catalyst suitable for use in a sour water-gas shift process is described, including; 5 to 30% by weight of a catalytically active metal oxide selected from tungsten oxide and molybdenum oxide; 1 to 10% by weight of a promoter metal oxide selected from cobalt oxide and nickel oxide; and 1 to 15% by weight of an oxide of an alkali metal selected from sodium, potassium and caesium; supported on a titania catalyst support.
摘要翻译： 描述了一种用于制备适用于酸性水煤气变换过程的催化剂的催化剂前体，包括： 5至30重量％的选自氧化钨和氧化钼的催化活性金属氧化物; 1至10重量％的选自氧化钴和氧化镍的助催化剂金属氧化物; 和1至15重量％的选自钠，钾和铯的碱金属氧化物; 支持二氧化钛催化剂载体。
-
公开(公告)号：US08747734B2
公开(公告)日：2014-06-10
申请号：US13821882
申请日：2011-08-19
CPC分类号： C01B3/02 , B01J8/067 , B01J19/02 , B01J2219/0236 , B01J2219/024 , F28F19/02
摘要： A process for passivation of surfaces of heat exchange apparatus exposed to a synthesis gas containing carbon monoxide, includes the steps of: (i) adding arsine to the synthesis gas to provide a total As concentration in the synthesis gas in range 0.001 to 10 ppmv, (ii) exposing the mixture of hot synthesis gas and arsine to the shell-side surfaces of said heat exchange apparatus to reduce the interaction between the carbon monoxide present in said gas and metals in said surfaces, (iii) recovering a cooled synthesis gas from the shell-side of said apparatus, and (iv) passing the cooled synthesis gas, optionally after further cooling, through a sorbent bed to remove arsenic compounds from the synthesis gas.
摘要翻译： 一种暴露于含有一氧化碳的合成气体的热交换装置的表面的钝化处理方法，包括以下步骤：（i）向合成气中加入胂以提供合成气中的总As浓度范围为0.001至10ppmv， （ii）将热合成气和胂的混合物暴露于所述热交换装置的壳侧表面，以减少所述气体中存在的一氧化碳与所述表面中的金属之间的相互作用，（iii）从 所述装置的壳侧，以及（iv）任选地在冷却后通过吸附剂床将冷却的合成气通过以从合成气中除去砷化合物。
-
公开(公告)号：US20130248769A1
公开(公告)日：2013-09-26
申请号：US13821768
申请日：2011-08-19
IPC分类号： C23C16/30
CPC分类号： C23C16/30 , B01J8/067 , B01J19/02 , B01J2219/0236 , B01J2219/024 , F28F19/02
摘要： A process is described for the passivation of the surfaces of heat exchange apparatus exposed to a synthesis gas containing carbon monoxide and hydrogen, including the steps of: (i) adding an arsenic compound to the synthesis gas at a temperature ≧850° C. to generate volatile arsenic passivation species, (ii) exposing the mixture of hot synthesis gas and arsenic passivation species to surfaces on the shell-side of said heat exchange apparatus to reduce the interaction between the carbon monoxide present in said gas and metals said in said surfaces, (iii) recovering a cooled synthesis gas from the shell-side of said apparatus, and (iv) passing the cooled synthesis gas, optionally after further cooling, through a sorbent bed to remove arsenic compounds from the synthesis gas.
摘要翻译： 描述了暴露于含有一氧化碳和氢气的合成气体的热交换装置的表面钝化的方法，包括以下步骤：（i）在温度≥850℃下向合成气中加入砷化合物。 以产生挥发性砷钝化物质，（ii）将热合成气和砷钝化物质的混合物暴露于所述热交换装置的壳侧上的表面，以减少所述气体中存在的一氧化碳和所述气体中所述的金属之间的相互作用 表面，（iii）从所述装置的壳侧回收冷却的合成气，和（iv）任选地在冷却后通过吸附剂床将冷却的合成气通过，以从合成气中除去砷化合物。
-
公开(公告)号：US07314891B2
公开(公告)日：2008-01-01
申请号：US10534239
申请日：2003-10-23
IPC分类号： C07C27/00
CPC分类号： C10G2/32 , C01B3/382 , C01B3/384 , C01B2203/0233 , C01B2203/0244 , C01B2203/062 , C01B2203/0844 , C01B2203/1052 , C01B2203/12 , C01B2203/1241 , C01B2203/1247 , C01B2203/143 , C01B2203/146 , C01B2203/147 , C01B2203/148 , C01B2203/82
摘要： A process for production of hydrocarbons including a) reforming a divided hydrocarbon feedstock stream, mixing the first stream with steam, passing the mixture over a catalyst disposed in heated heat exchange reformer tubes to form a primary reformed gas, forming a secondary reformer feed stream including the primary reformed gas and the second hydrocarbon stream, partially combusting the secondary reformer feed stream and bringing the partially combusted gas towards equilibrium over a secondary catalyst, and producing a partially cooled reformed gas, b) further cooling the partially cooled reformed gas below the dew point of steam therein to condense water and separating condensed water to give a de-watered synthesis gas, c) synthesising hydrocarbons from the de-watered synthesis gas by the Fischer-Tropsch reaction and separating some of the synthesised hydrocarbons into a tail gas, and d) incorporating part of the tail gas into the secondary reformer feed stream before partial combustion thereof.
摘要翻译： 一种生产烃的方法，包括：a）重整分离的烃原料流，将第一料流与蒸汽混合，使混合物通过设置在加热的热交换重整器管中的催化剂，形成初级重整气体，形成二级重整器进料流，包括 主要重整气体和第二烃流，部分地燃烧二次重整器进料流并使部分燃烧的气体在二次催化剂上达到平衡，并产生部分冷却的重整气体，b）进一步冷却低于露点的部分冷却的重整气体 蒸汽点冷凝水，分离冷凝水，得到脱水合成气; c）通过费 - 托反应合成来自脱水的合成气的碳氢化合物，并将一些合成的烃分离成尾气;以及 d）将部分尾气混入二次重整器进料流中 其中。
-
公开(公告)号：US20080313962A1
公开(公告)日：2008-12-25
申请号：US12091258
申请日：2006-10-10
CPC分类号： B01J8/0496 , B01J19/002 , B01J2219/02 , C01B3/38 , C01B2203/0227 , C01B2203/0261 , C01B2203/0495 , C07C29/1518 , C07C41/01 , C10G2/32 , C23F11/02 , C07C31/04 , C07C43/043
摘要： A method for passivating low-alloy steel surfaces in apparatus operating in the temperature range 350 to 580° C. and exposed to a carbon monoxide containing gas mixture comprises adding a passivating compound containing at least one phosphorus (P) atom to the gas mixture. The gas mixture is preferably a reformed gas and also described is a process for producing a synthesis gas wherein, prior to cooling a reformed gas mixture to a temperature between 350 and 580° C. in apparatus having low-alloy steel surfaces downstream of one or more reforming steps, a passivating compound containing at least one phosphorus (P) atom is combined with the gas mixture.
摘要翻译： 在350至580℃的温度范围内操作并暴露于含一氧化碳的气体混合物的设备中钝化低合金钢表面的方法包括向气体混合物中加入含有至少一个磷（P）原子的钝化化合物。 气体混合物优选是重整气体，并且还描述了一种生产合成气的方法，其中在将重整气体混合物冷却至350-580℃之间的温度之前，在具有低合金钢表面的装置中， 更多的重整步骤，含有至少一个磷（P）原子的钝化化合物与气体混合物组合。
-
公开(公告)号：US09067850B2
公开(公告)日：2015-06-30
申请号：US14345554
申请日：2012-07-23
IPC分类号： C07C27/06 , C07C1/04 , C07C29/151 , C10K1/00 , C10K1/04 , C10K3/04 , C10G2/00 , C01B3/16 , C01B3/38 , B01D53/22
CPC分类号： C07C1/0485 , B01D53/229 , C01B3/16 , C01B3/38 , C01B2203/0233 , C01B2203/0244 , C01B2203/0255 , C01B2203/0261 , C01B2203/0283 , C01B2203/0405 , C01B2203/0415 , C01B2203/043 , C01B2203/0475 , C01B2203/0495 , C01B2203/062 , C07C29/1518 , C10G2/30 , C10K1/005 , C10K1/04 , C10K3/04 , Y02P20/125
摘要： Process for synthesizing hydrocarbons includes: reforming a hydrocarbon feedstock containing inert gases in reforming stages to generate a synthesis gas including the inert gases, steam, hydrogen and carbon monoxide; cooling the synthesis gas below the dew point to obtain a dewatered synthesis gas; synthesizing hydrocarbons from the dewatered synthesis gas by the Fischer-Tropsch reaction and separating at least part of the synthesized hydrocarbons, to give a tail gas; subjecting a mixture of at least part of the tail gas and steam to the water-gas shift reaction, to form shifted tail gas having increased hydrogen and carbon dioxide contents; subjecting the shifted tail gas to one or more membrane separation stages thereby generating an inert gas-containing gas mixture and one or more of a hydrogen-, carbon dioxide- and a hydrocarbon-containing gas mixture; and using one or more of the hydrogen-, carbon dioxide- and hydrocarbon-containing gas mixture in a reformer feed stream.
摘要翻译： 合成烃的方法包括：在重整阶段重整含有惰性气体的烃原料以产生包括惰性气体，蒸汽，氢气和一氧化碳的合成气; 冷却低于露点的合成气，得到脱水合成气; 通过费 - 托反应从脱水合成气中合成烃，并分离至少部分合成的烃，得到尾气; 使至少部分尾气和蒸汽的混合物进行水煤气变换反应，形成具有增加的氢和二氧化碳含量的转移尾气; 将转移的尾气经受一个或多个膜分离阶段，从而产生含惰性气体的气体混合物和一种或多种含氢气，二氧化碳和含烃气体混合物; 并在重整器进料流中使用一种或多种含氢气，二氧化碳和含烃气体混合物。
-
公开(公告)号：US09057036B2
公开(公告)日：2015-06-16
申请号：US13884821
申请日：2011-10-17
IPC分类号： C10L3/08 , C01B3/58 , C10G2/00 , C10K1/20 , C10K1/32 , C10J3/00 , B01D53/04 , B01J20/08 , B01J20/28 , B01J20/30 , B01J20/02 , B01D53/02
CPC分类号： C10L3/08 , B01D53/02 , B01D53/04 , B01D2253/104 , B01D2253/1122 , B01D2253/1124 , B01D2257/306 , B01J20/0237 , B01J20/0244 , B01J20/08 , B01J20/28004 , B01J20/28016 , B01J20/2803 , B01J20/3028 , C01B3/58 , C01B2203/042 , C01B2203/0445 , C01B2203/047 , C01B2203/0485 , C01B2203/0495 , C01B2203/061 , C10G2/32 , C10G2300/1011 , C10G2300/1022 , C10G2300/202 , C10J3/00 , C10J2300/093 , C10J2300/1618 , C10K1/20 , C10K1/32 , C10L2290/02 , C10L2290/04 , C10L2290/06 , C10L2290/08 , C10L2290/10 , C10L2290/542 , Y02P20/145 , Y02P30/20
摘要： A process for reducing the thiophene content in a synthesis gas mixture, comprises the steps of (i) passing a synthesis gas mixture comprising hydrogen and carbon oxides and containing thiophene over a copper-containing sorbent disposed in a sorbent vessel at an inlet temperature in the range 200-280° C., (ii) withdrawing a thiophene depleted synthesis gas containing methanol from the sorbent vessel, and (iii) adjusting the temperature of the methanol-containing thiophene-depleted synthesis gas mixture. The resulting gas mixture may be used for production of chemicals, e.g. methanol production or for the Fischer-Tropsch synthesis of liquid hydrocarbons, for hydrogen production by using water gas shift, or for the production of synthetic natural gas.
摘要翻译： 一种降低合成气混合物中噻吩含量的方法包括以下步骤：（i）使包含氢和碳氧化物并含有噻吩的合成气混合物在设置在吸附剂容器中的含铜吸附剂上通入入口温度 范围为200-280℃，（ii）从吸附剂容器中取出含有甲醇的噻吩缺乏合成气，和（iii）调节含甲醇的噻吩贫乏合成气混合物的温度。 所得到的气体混合物可用于生产化学品，例如 甲醇生产或液体碳氢化合物的费 - 托合成，通过使用水煤气变换的氢气生产或合成天然气的生产。
-
-
-
-
-
-
-
-
-
搜索结果
25 条记录 (耗时 0.021 秒)
