公开(公告)号：WO2016209593A1

公开(公告)日：2016-12-29

申请号：PCT/US2016/035774

申请日：2016-06-03

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： DUGAS, Ross E. ,  LEISTER, Jonathan W. ,  MCJANNETT, Jack D.

IPC: B01D53/14 ,  C10K1/00 ,  C10L3/10

CPC classification number: B01D53/1493 ,  B01D53/1456 ,  B01D2252/2026 ,  B01D2257/304 ,  B01D2257/306 ,  B01D2257/308 ,  B01D2257/408 ,  B01D2257/504 ,  C01B3/52 ,  C01B2203/0415 ,  C10K1/003 ,  C10L3/102 ,  C10L2290/541 ,  Y02P20/152

Abstract: An improved composition and method for acid gas treatment, comprising an effective amount of tetraethylene glycol dimethyl ether in combination with other alkyl ethers of alkylene glycols. Utilization of a mixture consisting of 60 to 84 weight percent tetraethylene glycol dimethyl ether produces significant benefits in freeze point reduction. A solvent based said mixture of 60 to 84 weight percent tetraethylene glycol dimethyl ether can be used neat or as an aqueous mixture or can be added to the existing recirculating solvent stream to change the concentration of tetraethylene glycol dimethyl ether to a satisfactory level.

Abstract translation: 一种改进的酸性气体处理的组合物和方法，包括有效量的四甘醇二甲醚与其它亚烷基二醇的烷基醚的组合。 由60至84重量％的四甘醇二甲醚组成的混合物的利用在冻点降低中产生显着的益处。 基于溶剂的所述60至84重量％的四甘醇二甲醚的混合物可以纯的或作为水性混合物使用，或者可以加入到现有的再循环溶剂流中以将四甘醇二甲醚的浓度改变到令人满意的水平。

公开(公告)号：WO2016187199A1

公开(公告)日：2016-11-24

申请号：PCT/US2016/032875

申请日：2016-05-17

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： DUGAS, Ross E. ,  LAROCHE, Christophe R. ,  LEISTER, Jonathan W.

IPC: B01D53/14

CPC classification number: B01D53/1468 ,  B01D53/1493 ,  B01D2252/20405 ,  B01D2252/20431 ,  B01D2252/20489 ,  B01D2252/504 ,  B01D2252/606 ,  B01D2252/608

Abstract: The present invention relates to an aqueous alkanolamine solution and use therein a process for the selective removal of hydrogen sulfide from gaseous mixtures comprising hydrogen sulfide. The aqueous alkanolamine solution consists of - an amino compound with the formula: R 1 R 2 NCH 2 CH(OH)CH 2 OH wherein R 1 and R 2 independently represent methyl, ethyl, propyl or isopropyl groups - and bis(2-hydroxyethyl)methylamine, - optionally one or more of a physical solvent, an antifoaming agent, an antioxidant, a corrosion inhibitor, a film former, a chelating agent or a pH adjuster and - water The process for selectively removing hydrogen sulfide, comprising the step of contacting the gaseous mixture with the aqueous alkanolamine solution, preferably wherein the temperature of the aqueous alkanolamine solution is equal to or greater than 140°F.

Abstract translation: 本发明涉及一种链烷醇胺水溶液，并在其中用于从包含硫化氢的气体混合物中选择性除去硫化氢的方法。 链烷醇胺水溶液由以下结构式的氨基化合物组成：其中R 1和R 2独立地表示甲基，乙基，丙基或异丙​​基 - 和双（2-羟乙基）甲胺， - 任选地一个或多个 物理溶剂，消泡剂，抗氧化剂，缓蚀剂，成膜剂，螯合剂或pH调节剂和水。选择性除去硫化氢的方法，包括使气态混合物与烷基醇胺水溶液接触的步骤， 优选其中链烷醇胺水溶液的温度等于或大于140°F。

公开(公告)号：WO2016069316A1

公开(公告)日：2016-05-06

申请号：PCT/US2015/056313

申请日：2015-10-20

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： DUGAS, Ross E. ,  BADHWAR, Ajay N.

IPC: B01D53/04 ,  B01D53/047 ,  B01D53/06 ,  C10L3/10 ,  B01J20/26 ,  B01J20/28 ,  B01J20/34

CPC classification number: C10L3/101 ,  B01D53/0462 ,  B01D53/047 ,  B01D53/06 ,  B01D2253/102 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/112 ,  B01D2253/202 ,  B01D2253/206 ,  B01D2253/304 ,  B01D2253/306 ,  B01D2253/311 ,  B01D2256/245 ,  B01D2257/702 ,  B01D2257/7022 ,  B01D2259/40088 ,  B01D2259/40094 ,  B01J20/0233 ,  B01J20/0288 ,  B01J20/08 ,  B01J20/103 ,  B01J20/18 ,  B01J20/20 ,  B01J20/223 ,  B01J20/267 ,  B01J20/3208 ,  B01J20/3236 ,  B01J20/3408 ,  B01J20/3416 ,  B01J20/3425 ,  B01J20/3441 ,  B01J20/3458 ,  B01J2220/56 ,  C10L2290/12 ,  C10L2290/542

Abstract: Disclosed is an improved process for recovering condensable components from a gas stream, in particular, hydrocarbons from a gas stream such as natural gas. The present process uses solid adsorbent media to remove said hydrocarbons wherein the adsorbent media is regenerated in a continuous fashion in a heated continuous counter-current regeneration system, wherein said heated regenerated adsorbent media is cooled prior to reuse.

Abstract translation: 公开了一种用于从气流中回收可冷凝成分的改进方法，特别是来自气流如天然气的烃。 本发明方法使用固体吸附剂介质去除所述烃，其中吸附剂介质以连续方式在加热的连续逆流再生系统中再生，其中所述加热的再生吸附介质在再次使用之前被冷却。

公开(公告)号：WO2015183330A1

公开(公告)日：2015-12-03

申请号：PCT/US2014/049793

申请日：2014-08-05

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： LEISTER, Jonathan W. ,  BADHWAR, Ajay N. ,  DUGAS, Ross E. ,  GOLTZ, H. Robert ,  MATTEUCCI, Scott T.

IPC: B01D53/04 ,  C10L3/10 ,  C10G5/02 ,  B01D53/08

CPC classification number: C10L3/10 ,  B01D5/006 ,  B01D53/002 ,  B01D53/04 ,  B01D53/0446 ,  B01D53/0462 ,  B01D53/047 ,  B01D53/08 ,  B01D2253/102 ,  B01D2253/108 ,  B01D2253/1122 ,  B01D2253/202 ,  B01D2253/25 ,  B01D2253/304 ,  B01D2253/306 ,  B01D2253/31 ,  B01D2256/245 ,  B01D2257/7022 ,  B01D2259/40052 ,  B01D2259/40081 ,  B01D2259/40088 ,  B01D2259/4009 ,  B01D2259/40094 ,  B01D2259/40098 ,  C10G5/02 ,  C10G5/06 ,  C10L3/101 ,  C10L3/12 ,  C10L2290/541 ,  C10L2290/543

Abstract: Disclosed is an improved process for recovering condensable components from a gas stream, in particular, heavier hydrocarbons from a gas stream. The present process uses solid adsorbent media to remove said heavier hydrocarbons wherein the adsorbent media is regenerated in a continuous fashion in a continuous adsorbent media counter-current regeneration system using a stripping gas to provide a regenerated adsorbent media and a product gas comprising heavier hydrocarbons from a loaded adsorbent media. The improvement is the use of a portion of the product gas from the regeneration unit as the stripping gas.

Abstract translation: 公开了一种用于从气流，特别是来自气流的较重烃回收可冷凝成分的改进方法。 本发明方法使用固体吸附剂介质去除所述较重的烃，其中吸附介质在连续的吸附剂介质逆流再生系统中以连续方式再生，使用汽提气体提供再生的吸附剂介质和包含较重烃的产物气体 加载的吸附剂介质。 改进之处在于使用来自再生单元的一部分产物气体作为汽提气体。

公开(公告)号：WO2019032283A1

公开(公告)日：2019-02-14

申请号：PCT/US2018/043466

申请日：2018-07-24

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： TAN, Runyu ,  BADHWAR, Ajay N. ,  DUGAS, Ross E.

IPC: B01D53/04 ,  B01J20/26 ,  B01J20/28 ,  B01D53/047

CPC classification number: B01D53/04 ,  B01D53/0462 ,  B01D53/047 ,  B01D2253/202 ,  B01D2253/304 ,  B01D2253/306 ,  B01D2253/308 ,  B01D2253/311 ,  B01J20/261 ,  B01J20/267 ,  B01J20/28004 ,  B01J20/28007 ,  B01J20/28057 ,  B01J20/28064 ,  B01J20/28066 ,  B01J20/28073 ,  B01J20/28076 ,  B01J20/2808 ,  B01J20/28083 ,  B01J20/28085

Abstract: A process is disclosed for the removal of low molecular weight sulfur containing compounds from a gas feedstream, preferably a natural gas feedstream. The process provides for passing a gas feedstream comprising low molecular weight sulfur containing compounds though a regenerable adsorbent media which adsorbs low molecular weight sulfur containing compounds to provide a low molecular weight sulfur containing compounds-lean gas product and a low molecular weight sulfur containing compounds-rich adsorbent media. The regenerable adsorbent media of the present invention is a cross- linked macroporous polymeric adsorbent media.

公开(公告)号：WO2016191259A1

公开(公告)日：2016-12-01

申请号：PCT/US2016/033468

申请日：2016-05-20

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： DUGAS, Ross E. ,  DANDEKAR, Preshit

IPC: B01D53/04 ,  B01D53/047 ,  C10L3/10

CPC classification number: B01D53/0473 ,  B01D53/0462 ,  B01D2253/102 ,  B01D2253/202 ,  B01D2256/245 ,  B01D2257/7022 ,  B01D2259/40052 ,  B01D2259/40081 ,  B01D2259/4009 ,  B01D2259/402 ,  C10L3/101 ,  C10L3/103 ,  C10L2290/06 ,  C10L2290/12 ,  C10L2290/542

Abstract: The present invention relates to a method to remove one or more contaminant from a gas stream, preferably a hydrocarbon gas steam, using a solid adsorbent, preferably a porous cross-linked polymeric adsorbent, a pyrolized macroporous polymer, or mixtures thereof and regenerating said adsorbent by an improved pressure swing adsorption process wherein a portion of the product gas is heated and used as the purge gas.

Abstract translation: 本发明涉及使用固体吸附剂，优选多孔交联聚合物吸附剂，热解大孔聚合物或其混合物从气流，优选烃气蒸汽中除去一种或多种污染物的方法，并再生所述吸附剂 通过改进的变压吸附方法，其中将一部分产物气体加热并用作吹扫气体。

公开(公告)号：WO2015183331A1

公开(公告)日：2015-12-03

申请号：PCT/US2014/049795

申请日：2014-08-05

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： LEISTER, Jonathan W. ,  BADHWAR, Ajay N. ,  DUGAS, Ross E. ,  GOLTZ, H. Robert ,  MATTEUCCI, Scott T.

IPC: B01D53/04 ,  C10L3/10 ,  C10G5/02 ,  B01D53/08

CPC classification number: C10L3/101 ,  B01D53/04 ,  B01D53/08 ,  B01D2253/202 ,  B01D2256/245 ,  B01D2257/7022 ,  B01D2259/40088 ,  B01D2259/4009 ,  B01D2259/40094 ,  B01D2259/40098 ,  B01J20/3408 ,  B01J20/3416 ,  B01J20/3425 ,  B01J20/3433 ,  B01J20/3458 ,  B01J20/3483 ,  B01J20/3491 ,  C10G5/02 ,  C10L2290/06 ,  C10L2290/12 ,  C10L2290/36 ,  C10L2290/542 ,  C10L2290/543 ,  C10L2290/545

Abstract: Disclosed is an improved process for recovering condensable components from a gas stream, in particular, heavier hydrocarbons from a gas stream. The present process uses solid adsorbent media to remove said heavier hydrocarbons wherein the adsorbent media is regenerated in a continuous fashion in a continuous adsorbent media co-current regeneration system using a stripping gas to provide a regenerated adsorbent media and a product gas comprising heavier hydrocarbons from a loaded adsorbent media.

Abstract translation: 公开了一种用于从气流，特别是来自气流的较重烃回收可冷凝成分的改进方法。 本发明方法使用固体吸附剂介质去除所述较重的烃，其中吸附介质在连续的吸附介质共流再生系统中以连续方式再生，使用汽提气体提供再生的吸附剂介质和包含较重烃的产物气体， 加载的吸附剂介质。

公开(公告)号：WO2015041914A1

公开(公告)日：2015-03-26

申请号：PCT/US2014/055103

申请日：2014-09-11

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： LEISTER, Jonathan W. ,  DUGAS, Ross E.

IPC: B01D53/14

CPC classification number: B01D53/1425 ,  B01D3/00 ,  B01D3/007 ,  B01D19/0015 ,  B01D2252/2021 ,  B01D2252/2025 ,  B01D2252/2026 ,  B01D2252/20421 ,  B01D2252/20426 ,  B01D2252/20431 ,  B01D2252/20447 ,  B01D2252/20452 ,  B01D2252/20468 ,  B01D2252/20484 ,  B01D2252/20489 ,  B01D2256/245 ,  B01D2257/108 ,  B01D2257/302 ,  B01D2257/304 ,  B01D2257/306 ,  B01D2257/308 ,  B01D2257/406 ,  B01D2257/408 ,  B01D2257/502 ,  B01D2257/504 ,  B01D2257/702

Abstract: Disclosed is an improved process for regenerating solvent used to remove contaminants from a fluid stream. Said process comprises a solvent regeneration system (10) comprising a rich/lean solvent stripper column (29), reboiler (50), condenser (36), and reflux receiver (38) wherein the improvement is the location 46 of the condensed stripper gas return from the reflux receiver.

Abstract translation: 公开了一种用于再生用于从流体流中除去污染物的溶剂的改进方法。 所述方法包括包含富/贫溶剂汽提塔（29），再沸器（50），冷凝器（36）和回流容器（38）的溶剂再生系统（10），其中改进是冷凝汽提塔气体的位置46 从回流接收器返回。