公开(公告)号：US4528277A

公开(公告)日：1985-07-09

申请号：US566277

申请日：1983-12-28

申请人： Robert H. Hass ,  John W. Ward

发明人： Robert H. Hass ,  John W. Ward

IPC分类号： B01J23/22 ,  C01B17/50 ,  B01J29/16

CPC分类号： C01B17/508 ,  B01J23/22

摘要： Catalysts comprising bismuth and vanadium components are highly active and stable, especially in the presence of water vapor, for oxidizing hydrogen sulfide to sulfur or SO.sub.2. Such catalysts have been found to be especially active for the conversion of hydrogen sulfide to sulfur by reaction with oxygen or SO.sub.2.

摘要翻译： 包含铋和钒组分的催化剂是高活性和稳定的，特别是在水蒸气存在下，用于将硫化氢氧化成硫或SO 2。 已经发现这样的催化剂对于通过与氧或SO 2反应将硫化氢转化为硫而言是特别有活性的。

公开(公告)号：US4448899A

公开(公告)日：1984-05-15

申请号：US423008

申请日：1982-09-24

申请人： Robert H. Hass

发明人： Robert H. Hass

IPC分类号： B01D53/60 ,  B01D53/34

CPC分类号： B01D53/60

摘要： A process for removing SO.sub.x pollutants from a stack gas by (1) absorbing the SO.sub.x pollutants into an aqueous absorbent containing a formate compound and (2) regenerating the spent absorbent containing dissolved SO.sub.x compounds by contact, in the presence of added formate anion, with a water-insoluble, solid substance containing one or more tertiary amine functional groups. Nitrogen monoxide is removed by providing in the aqueous absorbant an iron(II) chelate, such as a chelate of ferrous ion with ethylenediaminetetraacetic acid. Regeneration of the spent absorbent containing absorbed NO is accomplished under the same conditions as for spent absorbents containing absorbed SO.sub.x compounds. SO.sub.x and NO pollutants dissolved in the absorbent are, during regeneration, converted to hydrogen sulfide and nitrogen, respectively.

摘要翻译： 一种通过（1）将SOx污染物吸收到含有甲酸盐化合物的含水吸收剂中的方法，和（2）在加入的甲酸根阴离子存在下，通过接触将含有溶解的SOx化合物的废吸收剂再生， 含有一个或多个叔胺官能团的水不溶性固体物质。 通过在水性吸收剂中提供铁（II）螯合物（例如亚铁离子与乙二胺四乙酸的螯合物）来除去一氧化氮。 在与含有吸收的SO x化合物的废吸收剂相同的条件下完成含有吸收的NO的废吸收剂的再生。 溶解在吸收剂中的SOx和NO污染物在再生过程中分别转化为硫化氢和氮气。

公开(公告)号：US4444908A

公开(公告)日：1984-04-24

申请号：US364415

申请日：1982-04-01

申请人： Robert H. Hass ,  John W. Ward

发明人： Robert H. Hass ,  John W. Ward

IPC分类号： B01J23/22 ,  C01B17/50 ,  B01J23/14 ,  B01J29/16 ,  C01B17/20 ,  C01B17/52

CPC分类号： B01J23/22 ,  C01B17/508 ,  Y10S502/517

摘要： Catalysts comprising bismuth and vanadium components are highly active and stable, especially in the presence of water vapor, for oxidizing hydrogen sulfide to sulfur or SO.sub.2. Such catalysts have been found to be especially active for the conversion of hydrogen sulfide to sulfur by reaction with oxygen or SO.sub.2.

公开(公告)号：US4432961A

公开(公告)日：1984-02-21

申请号：US336011

申请日：1981-12-30

申请人： Robert H. Hass ,  John W. Ward

发明人： Robert H. Hass ,  John W. Ward

IPC分类号： B01J23/22 ,  C01B17/50 ,  B01J23/14 ,  B01J29/16 ,  C01B17/52

CPC分类号： B01J23/22 ,  C01B17/508 ,  Y10S502/517

摘要： Catalysts comprising bismuth and vanadium components are highly active and stable, especially in the presence of water vapor, for oxidizing hydrogen sulfide to sulfur or SO.sub.2. Such catalysts have been found to be especially active for the conversion of hydrogen sulfide to sulfur by reaction with oxygen or SO.sub.2.

摘要翻译： 包含铋和钒组分的催化剂是高活性和稳定的，特别是在水蒸气存在下，用于将硫化氢氧化成硫或SO 2。 已经发现这样的催化剂对于通过与氧或SO 2反应将硫化氢转化为硫而言是特别有活性的。

公开(公告)号：US4372932A

公开(公告)日：1983-02-08

申请号：US151783

申请日：1980-05-21

申请人： Robert H. Hass

发明人： Robert H. Hass

IPC分类号： B01D53/60 ,  B01D53/36 ,  C01B21/02

CPC分类号： B01D53/60 ,  Y10S210/903

摘要： A process for removing SO.sub.x pollutants from a stack gas by (1) absorbing the SO.sub.x pollutants into an aqueous absorbent containing a formate compound and (2) regenerating the spent absorbent containing dissolved SO.sub.x compounds by contact, in the presence of added formate anion, with a water-insoluble, solid substance containing one or more tertiary amine functional groups. Nitrogen monoxide is removed by providing in the aqueous absorbent an iron(II) chelate, such as a chelate of ferrous ion with ethylenediaminetetraacetic acid. Regeneration of the spent absorbent containing absorbed NO is accomplished under the same conditions as for spent absorbents containing absorbed SO.sub.x compounds. SO.sub.x and NO pollutants dissolved in the absorbent are, during regeneration, converted to hydrogen sulfide and nitrogen, respectively.

摘要翻译： 一种通过（1）将SOx污染物吸收到含有甲酸盐化合物的含水吸收剂中的方法，和（2）在加入的甲酸根阴离子存在下，通过接触将含有溶解的SOx化合物的废吸收剂再生， 含有一个或多个叔胺官能团的水不溶性固体物质。 通过在水性吸收剂中提供铁（II）螯合物，例如亚铁离子与乙二胺四乙酸的螯合物，去除一氧化二氮。 在与含有吸收的SO x化合物的废吸收剂相同的条件下完成含有吸收的NO的废吸收剂的再生。 溶解在吸收剂中的SOx和NO污染物在再生过程中分别转化为硫化氢和氮气。

公开(公告)号：US4311683A

公开(公告)日：1982-01-19

申请号：US161694

申请日：1980-06-23

申请人： Robert H. Hass ,  Rowland C. Hansford

发明人： Robert H. Hass ,  Rowland C. Hansford

IPC分类号： C01B17/04

CPC分类号： C01B17/0465

摘要： A process for the removal of H.sub.2 S from a feed gas, and the production of sulfur therefrom, is effected by oxidation with oxygen and/or SO.sub.2 at temperatures between 250.degree. and 450.degree. F. The oxidation is conducted in the presence of an extremely stable oxidation catalyst comprising an oxide and/or sulfide of vanadium supported on a non-alkaline porous refractory oxide. Sulfur deposition and consequent catalyst deactivation are prevented by maintaining the partial pressure of free sulfur in the oxidation reactor below that necessary for condensation. H.sub.2, CO, and light hydrocarbons present in the feed gas are not oxidized. Typical uses of the process include the removal of H.sub.2 S and the production of sulfur from sour natural gases or gases obtained from the gasification of coal.Feed gases which contain SO.sub.2 and H.sub.2 S in mole ratios greater than 0.5, or which contain other gaseous sulfur compounds such as COS, CS.sub.2, SO.sub.3 and mercaptans, can be desulfurized by hydrogenating all of such sulfur components to H.sub.2 S and subsequently removing the H.sub.2 S from the hydrogenated feed gas by the oxidation process of the invention. This hydrogenation-oxidation combination is especially contemplated for the desulfurization of Claus tail gases and stack gas effluents.

摘要翻译： 从进料气体中除去H 2 S和从其中产生硫的方法是通过在250-450°F的温度下用氧和/或SO 2进行氧化来实现的。氧化是在非常稳定的条件下进行的 包含负载在非碱性多孔难熔氧化物上的钒的氧化物和/或硫化物的氧化催化剂。 通过将氧化反应器中的游离硫的分压维持在低于冷凝所需的程度来防止硫沉积和随之而来的催化剂失活。 存在于进料气体中的H 2，CO和轻烃不被氧化。 该方法的典型用途包括从酸性天然气或煤气化获得的气体中除去H 2 S和产生硫。 含有大于0.5摩尔比的SO2和H2S的进料气体或含有其它气态硫化合物如COS，CS2，SO3和硫醇的进料气体可以通过将所有这些硫组分氢化成H 2 S并随后从H 2 S中除去H 2 S来脱硫 氢化原料气通过本发明的氧化方法。 这种氢化 - 氧化组合特别适用于克劳斯尾气和烟道气体废气的脱硫。

公开(公告)号：US4243647A

公开(公告)日：1981-01-06

申请号：US700513

申请日：1976-06-28

申请人： Robert H. Hass ,  Rowland C. Hansford

发明人： Robert H. Hass ,  Rowland C. Hansford

IPC分类号： C01B17/04

CPC分类号： C01B17/0465

摘要： A process for the removal of H.sub.2 S from a feed gas, and the production of sulfur therefrom, is effected by oxidation with oxygen and/or SO.sub.2 at temperatures between 250.degree. and 450.degree. F. The oxidation is conducted in the presence of an extremely stable oxidation catalyst comprising an oxide and/or sulfide of vanadium supported on a non-alkaline porous refractory oxide. Sulfur deposition and consequent catalyst deactivation are prevented by maintaining the partial pressure of free sulfur in the oxidation reactor below that necessary for condensation. H.sub.2, CO, and light hydrocarbons present in the feed gas are not oxidized. Typical uses of the process include the removal of H.sub.2 S and the production of sulfur from sour natural gases or gases obtained from the gasification of coal.Feed gases which contain SO.sub.2 and H.sub.2 S in mole ratios greater than 0.5, or which contain other gaseous sulfur compounds such as COS, CS.sub.2, SO.sub.3 and mercaptans, can be desulfurized by hydrogenating all of such sulfur components to H.sub.2 S and subsequently removing the H.sub.2 S from the hydrogenated feed gas by the oxidation process of the invention. This hydrogenation-oxidation combination is especially contemplated for the desulfurization of Claus tail gases and stack gas effluents.

摘要翻译： 从进料气体中除去H 2 S和从其中产生硫的方法是通过在250-450°F的温度下用氧和/或SO 2进行氧化来实现的。氧化是在非常稳定的条件下进行的 包含负载在非碱性多孔难熔氧化物上的钒的氧化物和/或硫化物的氧化催化剂。 通过将氧化反应器中的游离硫的分压维持在低于冷凝所需的程度来防止硫沉积和随之而来的催化剂失活。 存在于进料气体中的H 2，CO和轻烃不被氧化。 该方法的典型用途包括从酸性天然气或煤气化获得的气体中除去H 2 S和产生硫。 含有大于0.5摩尔比的SO2和H2S的进料气体或含有其它气态硫化合物如COS，CS2，SO3和硫醇的进料气体可以通过将所有这些硫组分氢化成H 2 S并随后从H 2 S中除去H 2 S来脱硫 氢化原料气通过本发明的氧化方法。 这种氢化 - 氧化组合特别适用于克劳斯尾气和烟道气体废气的脱硫。

公开(公告)号：US4169136A

公开(公告)日：1979-09-25

申请号：US787904

申请日：1977-04-15

申请人： Robert H. Hass ,  Rowland C. Hansford

发明人： Robert H. Hass ,  Rowland C. Hansford

IPC分类号： B01D53/52 ,  C01B17/50 ,  B01D53/34

CPC分类号： B01D53/52 ,  C01B17/508 ,  Y10S423/19

摘要： A process for the conversion of H.sub.2 S to SO.sub.2 in a feed gas containing H.sub.2 S is effected by oxidation with air or oxygen at temperatures between 300.degree. and 900.degree. F. The oxidation is conducted in the presence of an extremely stable oxidation catalyst comprising an oxide and/or sulfide of vanadium supported on a non-alkaline porous refractory oxide. The preferred catalyst comprises between 5 and 15 wt. % V.sub.2 O.sub.5 on hydrogen mordenite or alumina. Hydrogen, carbon monoxide, light hydrocarbons, and ammonia present in the feed gas are not oxidized. The invention is especially contemplated for use in treating waste gases from geothermal steam power plants.

摘要翻译： 在含有H 2 S的进料气体中将H 2 S转化为SO 2的方法通过在空气或氧气下在300-900°F的温度下氧化来实现。氧化是在极其稳定的氧化催化剂的存在下进行的，包括氧化物和 /或负载在非碱性多孔难熔氧化物上的钒的硫化物。 优选的催化剂包含5至15wt。 ％V2O5对氢丝光沸石或氧化铝。 进料气体中存在的氢，一氧化碳，轻质烃和氨不被氧化。 本发明特别考虑用于处理地热蒸汽发电厂的废气。

公开(公告)号：US4092404A

公开(公告)日：1978-05-30

申请号：US605638

申请日：1975-08-18

申请人： Robert H. Hass

发明人： Robert H. Hass

IPC分类号： C01B17/04

CPC分类号： C01B17/0456 ,  C01B17/0465 ,  Y10S423/19

摘要： A process for the conversion of H.sub.2 S to SO.sub.2 is a feed gas containing H.sub.2 S is effected by oxidation with air or oxygen at temperatures between 300.degree. and 900.degree. F. The oxidation is conducted in the presence of an extremely stable oxidation catalyst comprising an oxide and/or sulfide of vanadium supported on a non-alkaline porous refractory oxide. The preferred catalyst comprises between 5 and 15 wt.% V.sub.2 O.sub.5 on hydrogen mordenite or alumina. Hydrogen, carbon monoxide and light hydrocarbons present in the feed gas are not oxidized. The invention is especially contemplated for use in treating waste gases from geothermal steam power plants.

摘要翻译： 用于将H 2 S转化为SO 2的方法是含有H 2 S的进料气体通过在空气或氧气下在300-900°F的温度下氧化来实现。氧化是在极其稳定的氧化催化剂的存在下进行的，包括氧化物和 /或负载在非碱性多孔难熔氧化物上的钒的硫化物。 优选的催化剂在氢丝光沸石或氧化铝上含有5至15重量％的V 2 O 5。 进料气中存在的氢，一氧化碳和轻烃不被氧化。 本发明特别考虑用于处理地热蒸汽发电厂的废气。

公开(公告)号：US4060589A

公开(公告)日：1977-11-29

申请号：US652290

申请日：1976-01-26

申请人： Robert H. Hass ,  Michael H. Gibson

发明人： Robert H. Hass ,  Michael H. Gibson

IPC分类号： C01B17/16

CPC分类号： C01B17/164

摘要： A process is disclosed whereby NO.sub.x and SO.sub.x components contained in stack gases are simultaneously reduced to N.sub.2 and H.sub.2 S, respectively, by passing said stack gases (which also contain steam and usually some oxygen) over bituminous coke at between about 900.degree. and 1600.degree. F.

摘要翻译： 公开了一种方法，其中通过将所述堆积气体（其还含有蒸汽和通常为一些氧气）通过在约900°至1600°F的沥青焦炭之间分别同时还原为N 2和H 2 S而将包含在烟道气中的NOx和SO x组分同时还原 。