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1.发明公开公开(公告)号：US20240198282A1
公开(公告)日：2024-06-20
申请号：US18082994
申请日：2022-12-16
发明人： Yang Liu , Junyan Yang , Milind M. Vaidya
CPC分类号： B01D53/228 , B01D69/02 , B01D71/64 , C10L3/103 , C10L3/104 , B01D2325/20 , C10L2290/548
摘要： This disclosure relates to polymer membranes and methods of using said membranes for gas separation applications, such as removal of hydrogen sulfide (H2S) and carbon dioxide (CO2) from natural gas, particularly under rich natural gas and/or high pressure environments.
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2.发明申请公开(公告)号：US20190010052A1
公开(公告)日：2019-01-10
申请号：US16128586
申请日：2018-09-12
摘要： A method for increasing sulfur recovery from an acid gas feed comprising the steps of introducing the acid gas feed and a sulfur dioxide enriched air stream to a Claus process to produce a product gas stream, introducing the product gas stream to a thermal oxidizer to produce a flue gas stream, cooling the flue gas stream to produce a cooled take-off stream, separating the cooled take-off stream into a saturated gas stream, heating the saturated gas stream to produce a membrane gas stream, introducing the membrane gas stream to a membrane sweeping unit, the membrane sweeping unit comprises a membrane, the sulfur dioxide in the membrane gas stream permeates the membrane of the membrane sweeping unit, introducing a sweep air stream, the sweep air stream collects the sulfur dioxide to create the sulfur dioxide enriched air stream.
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公开(公告)号：US09962659B2
公开(公告)日：2018-05-08
申请号：US15195056
申请日：2016-06-28
申请人： AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLC , L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude , SAUDI ARABIAN OIL COMPANY
发明人： Sudhir S. Kulkarni , Karl S. Beers , Jean-Pierre R. Ballaguet , Milind M. Vaidya , Sebastien A. Duval
CPC分类号： B01D63/02 , B01D53/22 , B01D53/228 , B01D63/043 , B01D63/10 , B01D63/12 , B01D2053/224 , B01D2256/24 , B01D2256/245 , B01D2257/304 , B01D2257/504 , B01D2313/04 , B01D2313/20 , Y02C10/10
摘要： A gas separation membrane module includes a seal between a higher pressure gas and a lower pressure gas. The seal includes a compressible sealing member in between sealing surfaces. At least one of the sealing surfaces has corrosion-resistant cladding provided over either low alloy steel or high alloy steel. The cladding reduce the possibility of a seal failure due to corrosion of low alloy or high alloy steel exposed to acid gases or condensed moisture containing acid gases dissolved therein while at the same not requiring that all surfaces of the membrane module exposed to acid gases be provided with cladding.
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公开(公告)号：US09714925B2
公开(公告)日：2017-07-25
申请号：US14548432
申请日：2014-11-20
发明人： Naim Akmal , Saeed Hasan Al-Shahrani , Anwar H. Al-Khawajah , Milind M. Vaidya , Jean-Pierre R. Ballaguet , Sebastien A. Duval
IPC分类号： G01N30/04 , B01D53/00 , B01D53/22 , B01D53/30 , C10L3/10 , C10G5/06 , G01N30/02 , G01N30/46 , G01N30/88
CPC分类号： G01N30/04 , B01D53/002 , B01D53/225 , B01D53/30 , B01D2257/102 , B01D2257/304 , B01D2257/504 , B01D2257/702 , B01D2257/80 , C10G5/06 , C10L3/10 , G01N30/46 , G01N2030/025 , G01N2030/8854 , Y02C10/10
摘要： A gas chromatographic method for analyzing natural gas and a natural gas upgrading system using the gas chromatographic method for analyzing natural gas. The method includes transporting the natural gas through a chiller, transporting the natural gas from the chiller to at least two gas upgrading membranes, and operating a gas chromatographic system having at least one upstream gas chromatograph and at least two downstream gas chromatographs. The at least one upstream gas chromatograph, the first downstream gas chromatograph, and the second downstream gas chromatograph all operate simultaneously and utilize the same heating oven to heat samples of natural gas.
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公开(公告)号：US20170001150A1
公开(公告)日：2017-01-05
申请号：US15195056
申请日：2016-06-28
申请人： AIR LIQUIDE ADVANCED TECHNOLOGIES U.S. LLC , L'Air Liquide, Societe Anonyme pour I'Etude et I'Etude et I'Exploitation des Procedes Georges Cla , SAUDI ARABIAN OIL COMPANY
发明人： Sudhir S. KULKARNI , Karl S. Beers , Jean-Pierre R. Ballaguet , Milind M. Vaidya , Sebastien A. Duval
CPC分类号： B01D63/02 , B01D53/22 , B01D53/228 , B01D63/043 , B01D63/10 , B01D63/12 , B01D2053/224 , B01D2256/24 , B01D2256/245 , B01D2257/304 , B01D2257/504 , B01D2313/04 , B01D2313/20 , Y02C10/10
摘要： A gas separation membrane module includes a seal between a higher pressure gas and a lower pressure gas. The seal includes a compressible sealing member in between sealing surfaces. At least one of the sealing surfaces has corrosion-resistant cladding provided over either low alloy steel or high alloy steel.The cladding reduce the possibility of a seal failure due to corrosion of low alloy or high alloy steel exposed to acid gases or condensed moisture containing acid gases dissolved therein while at the same not requiring that all surfaces of the membrane module exposed to acid gases be provided with cladding.
摘要翻译： 包层减少了由于暴露于酸性气体的低合金或高合金钢或含有溶解在其中的酸性气体的冷凝水分而导致的密封破坏的可能性，同时不要求膜组件暴露于酸性气体的所有表面 与包层。
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6.发明申请SOUR GAS AND ACID NATURAL GAS SEPARATION MEMBRANE PROCESS BY PRE REMOVAL OF DISSOLVED ELEMENTAL SULFUR FOR PLUGGING PREVENTION 有权通过预先除去溶解的元素硫来预防气体和酸性天然气分离膜过程公开(公告)号：US20140187838A1
公开(公告)日：2014-07-03
申请号：US14178936
申请日：2014-02-12
IPC分类号： C07C7/11
CPC分类号： C07C7/11 , B01D53/14 , B01D53/229 , B01D2256/245 , B01D2257/102 , B01D2257/30 , B01D2257/304 , B01D2257/504 , B01D2257/80 , Y02C10/10
摘要： Methods for removing sulfur from a gas stream prior to sending the gas stream to a gas separation membrane system are provided. Two schemes are available. When the sulfur content is high or flow is relatively high, a scheme including two columns where one tower is regenerated if the sulfur concentration exceeds a preset value can be used. When the sulfur content is low or flow is relatively low, a scheme including one column and an absorption bed.
摘要翻译： 提供了在将气流送至气体分离膜系统之前从气流中除去硫的方法。 有两种方案可供选择。 当硫含量高或流量相对较高时，可以使用包括两个塔的方案，其中如果硫浓度超过预设值，则一个塔被再生。 当硫含量低或流动相对较低时，包括一个柱和吸收床的方案。
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7.发明授权Sour gas and acid natural gas separation membrane process by pre removal of dissolved elemental sulfur for plugging prevention 有权酸性天然气和酸性天然气分离膜工艺通过预除去溶解的元素硫来防止堵塞公开(公告)号：US08696791B2
公开(公告)日：2014-04-15
申请号：US13975935
申请日：2013-08-26
IPC分类号： B01D53/14
CPC分类号： C07C7/11 , B01D53/14 , B01D53/229 , B01D2256/245 , B01D2257/102 , B01D2257/30 , B01D2257/304 , B01D2257/504 , B01D2257/80 , Y02C10/10
摘要： Methods for removing sulfur from a gas stream prior to sending the gas stream to a gas separation membrane system are provided. Two schemes are available. When the sulfur content is high or flow is relatively high, a scheme including two columns where one tower is regenerated if the sulfur concentration exceeds a preset value can be used. When the sulfur content is low or flow is relatively low, a scheme including one column and an absorption bed.
摘要翻译： 提供了在将气流送至气体分离膜系统之前从气流中除去硫的方法。 有两种方案可供选择。 当硫含量高或流量相对较高时，可以使用包括两个塔的方案，其中如果硫浓度超过预设值，则一个塔被再生。 当硫含量低或流动相对较低时，包括一个柱和吸收床的方案。
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公开(公告)号：US11420153B2
公开(公告)日：2022-08-23
申请号：US16877433
申请日：2020-05-18
发明人： Milind M. Vaidya , Sebastien A. Duval , Feras Hamad , Richard Baker , Tim Merkel , Kaaeid Lokhandwala , Ahmad A. Bahamdan , Faisal D. Al-Otaibi
IPC分类号： B01D53/22 , B01D71/36 , B01D71/44 , C01B17/16 , C01B17/50 , C08F14/26 , C08F34/02 , C09K8/58
摘要： A process for recovering sulfur from a sour gas is provided. The process includes the steps of: providing the sour gas to a membrane separation unit having a carbon dioxide-selective membrane that comprises a perfluoropolymer, wherein the sour gas comprises carbon dioxide and at least 1 mol % hydrogen sulfide; separating the sour gas using the carbon dioxide-selective membrane in the membrane separation stage to obtain hydrogen sulfide-enriched gas and hydrogen sulfide-stripped gas, wherein the hydrogen sulfide-enriched gas has a hydrogen sulfide concentration of at least 20 mol %, and wherein the hydrogen sulfide-stripped gas comprises carbon dioxide; and processing the hydrogen sulfide-enriched gas in a sulfur recovery unit to obtain sulfur.
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公开(公告)号：US20180363978A1
公开(公告)日：2018-12-20
申请号：US16007585
申请日：2018-06-13
发明人： Jean-Pierre R. Ballaguet , Milind M. Vaidya , Iran D. Charry-Prada , Sebastien A. Duval , Aadesh Harale , Feras Hamad
摘要： Techniques for treating a natural gas feed stream include receiving a natural gas feed stream that includes one or more acid gases, one or more hydrocarbon fluids, and one or more non-hydrocarbon fluids; circulating the natural gas feed stream to a membrane module; separating, with the membrane module, at least a portion of the one or more acid gases into a permeate stream and at least a portion of the one or more hydrocarbon fluids into a reject stream; circulating the permeate stream to a distillation unit; and separating, in the distillation unit, the one or more acid gases from the one or more non-hydrocarbon fluids.
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10.发明授权Sulfur recovery process for treating low to medium mole percent hydrogen sulfide gas feeds with BTEX in a Claus unit 有权用于在克劳斯装置中用BTEX处理低至中等摩尔百分比的硫化氢气体进料的硫回收方法公开(公告)号：US09593015B2
公开(公告)日：2017-03-14
申请号：US14686950
申请日：2015-04-15
发明人： Jean-Pierre R. Ballaguet , Milind M. Vaidya , Sebastien A. Duval , Aadesh Harale , Anwar H. Khawajah , Veera Venkata R. Tammana
IPC分类号： C01B17/04 , C10G70/00 , B01J19/24 , C07C7/11 , C07C7/12 , B01D53/22 , B01D53/04 , B01D53/047
CPC分类号： C01B17/0408 , B01D53/0462 , B01D53/047 , B01D53/226 , B01D53/228 , B01D53/229 , B01D2257/304 , B01D2257/504 , B01D2257/702 , B01D2257/7027 , B01J19/24 , B01J2219/24 , C07C7/11 , C07C7/12 , Y02C10/08 , Y02C10/10 , Y02P20/152
摘要： An enrichment apparatus and process for enriching a hydrogen sulfide concentration in an acid gas stream to create a hydrogen sulfide rich stream for feed to a Claus. The enrichment apparatus comprises a hydrocarbon selective separation unit operable to separate the acid gas stream into a hydrocarbon rich stream and a purified acid gas stream, wherein the acid gas stream comprises hydrogen sulfide, carbon dioxide, and hydrocarbons, a hydrogen sulfide selective separation unit operable to separate the purified acid gas stream to create the hydrogen sulfide rich stream and a hydrogen sulfide lean stream, the hydrogen sulfide rich stream having a concentration of hydrogen sulfide, and the Claus unit operable to recover sulfur from the carbon dioxide lean stream. The enrichment apparatus can include a carbon dioxide selective separation unit in fluid communication with the hydrogen sulfide selective separation unit, operable to separate the hydrogen sulfide rich stream.
摘要翻译： 一种富集装置和方法，用于富集酸性气流中的硫化氢浓度以产生富含硫化氢的料流以供给克劳斯。 富集装置包括烃选择分离单元，其可操作以将酸性气流分离成富烃流和纯化的酸性气流，其中酸性气流包含硫化氢，二氧化碳和烃，可操作的硫化氢选择性分离单元 以分离纯化的酸性气体流以产生富硫化物流和贫硫化物流，富硫化氢气流具有硫化氢浓度，克劳斯单元可操作以从贫二氧化碳流中回收硫。 浓缩装置可以包括与硫化氢选择性分离单元流体连通的二氧化碳选择性分离单元，可操作以分离富硫化物流。
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