公开(公告)号：US20180036688A1

公开(公告)日：2018-02-08

申请号：US15653853

申请日：2017-07-19

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM ,  David C. CALABRO ,  Hans THOMANN ,  Randall D. PARTRIDGE

IPC: B01D69/14 ,  B01D71/02 ,  B01D71/06

CPC classification number: B01D69/147 ,  B01D53/0407 ,  B01D53/229 ,  B01D71/022 ,  B01D71/06 ,  B01D2251/30 ,  B01D2251/302 ,  B01D2251/304 ,  B01D2251/306 ,  B01D2251/40 ,  B01D2251/402 ,  B01D2251/404 ,  B01D2251/406 ,  B01D2251/408 ,  B01D2251/606 ,  B01D2253/102 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/204 ,  B01D2256/16 ,  B01D2256/245 ,  B01D2257/102 ,  B01D2257/302 ,  B01D2257/304 ,  B01D2257/504 ,  B01D2258/0283 ,  B01D2311/2626 ,  B01D2325/08 ,  B01D2325/12 ,  Y02C10/08 ,  Y02C10/10

Abstract: Gas separation modules and methods for use including an integrated adsorbent and membrane. In certain refining applications, it is paramount to obtain high purity product gases. Adsorbent beds are effective at removing certain contaminants, such as CO2, from gas streams containing product and contaminant constituents to form a product-rich stream. The integrated membrane permits a further separation of products from any unadsorbed contaminant to produce a high purity product, such as hydrogen, stream. The gas separation modules described herein include stacked, radial, and spiral arrangements. Each modules includes a configuration of feed and cross-flow channels for the collection of contaminant gases and/or high purity product gases.

公开(公告)号：US20180036674A1

公开(公告)日：2018-02-08

申请号：US15653833

申请日：2017-07-19

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM ,  Hans THOMANN ,  David C. CALABRO ,  Frank MITTRICKER

IPC: B01D53/053

CPC classification number: B01D53/053 ,  B01D53/047 ,  B01D2253/1122 ,  B01D2253/1124 ,  B01D2256/16 ,  B01D2256/20 ,  B01D2257/108 ,  B01D2257/504 ,  B01D2259/4003 ,  B01D2259/40035 ,  B01D2259/40043 ,  B01D2259/40079 ,  B01D2259/40081 ,  B01D2259/403 ,  B01D2259/404 ,  C01B3/56 ,  C01B32/50 ,  C01B2203/043 ,  C01B2203/0465 ,  C01B2203/0475 ,  Y02C10/08 ,  Y02P20/152 ,  Y02P30/30

Abstract: In various aspects, methods are provided for hydrogen production while reducing and/or mitigating emissions during various refinery processes that produce syngas, such as power generation. Syngas can be effectively separated to generate high purity carbon dioxide and hydrogen streams, while reducing and/or minimizing the energy required for the separation, and without needing to reduce the temperature of the flue gas. In various aspects, the operating conditions, such as high temperature, mixed metal oxide adsorbents, and cycle variations, for a pressure swing adsorption reactor can be selected to minimize energy penalties while still effectively capturing the CO2 present in syngas.

公开(公告)号：US20180036673A1

公开(公告)日：2018-02-08

申请号：US15653770

申请日：2017-07-19

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM

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

CPC classification number: B01D53/0473 ,  B01D53/0407 ,  B01D53/0415 ,  B01D53/047 ,  B01D2253/102 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/204 ,  B01D2253/308 ,  B01D2253/342 ,  B01D2256/245 ,  B01D2257/302 ,  B01D2257/304 ,  B01D2257/504 ,  B01D2259/4146 ,  C10L3/10 ,  Y02C10/08

Abstract: In various aspects, apparatuses and methods are provided for low pressure drop gas separations. In PSA processes, where there are large swings in pressure and corresponding swings in fluid velocity through the adsorbent, mechanical stresses during pressure cycling are of considerable concern. When that pressure is relieved in a lower pressure portion of the cycle, the high velocity of gas moving through the adsorbent bed can erode, strip away, or otherwise damage the channels within the adsorbent. Provided herein are methods which utilize flexible boundaries between adsorbent beds that are operated out of phase with one another. The flexible boundaries permit an increase in void space through the adsorbent during high pressure stages of the cycle and a decrease in void space through the adsorbent during low pressure stages of the cycle.

公开(公告)号：US20170138236A1

公开(公告)日：2017-05-18

申请号：US15339970

申请日：2016-11-01

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM ,  Hans THOMANN ,  Franklin F. MITTRICKER

IPC: F01N3/08

CPC classification number: F01N3/0857 ,  B01D53/047 ,  B01D53/62 ,  B01D53/864 ,  B01D2256/22 ,  B01D2257/502 ,  F01N3/0885 ,  Y02A50/2342 ,  Y02C10/04 ,  Y02C10/08

Abstract: A method for capturing emissions from a fuel combustion process comprising: providing a fuel to a combustor on a gas turbine, providing an oxidant to the combustor, combusting the fuel and the oxidant in the combustor to produce an exhaust gas, passing at least a portion of the exhaust gas to one or more catalyst beds. The one or more catalyst beds promote a reaction which consumes CO and produces CO2 and adsorb CO2. Pressure at the catalyst beds is reduced by outputting a blow down stream from the catalyst beds and then CO2 is purged from the one or more catalyst beds with a regenerant stream to create a product stream.

公开(公告)号：US20170136401A1

公开(公告)日：2017-05-18

申请号：US15339978

申请日：2016-11-01

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM ,  Hans THOMANN ,  Franklin F. MITTRICKER ,  Loren STARCHER

IPC: B01D53/047 ,  F01N13/00 ,  F01N3/08

CPC classification number: B01D53/047 ,  B01D53/053 ,  B01D2253/10 ,  B01D2253/1124 ,  B01D2256/10 ,  B01D2256/22 ,  B01D2257/102 ,  B01D2257/40 ,  B01D2257/504 ,  B01D2259/40028 ,  B01D2259/40043 ,  B01D2259/40052 ,  B01D2259/40056 ,  B01D2259/40086 ,  B01D2259/414 ,  F01N3/0857 ,  F01N3/0885 ,  F01N13/0093 ,  F01N13/011 ,  Y02C10/08

Abstract: Systems and methods for using pressure swing adsorption to separate and/or capture resulting emissions are provided. A stream of recycled exhaust gas is passed into a first swing adsorption reactor comprising a first adsorbent material which adsorbs CO2. An enriched N2 stream is recovered from a forward end of the first swing adsorption reactor. The pressure in the first swing adsorption reactor is reduced. The first swing adsorption reactor is purged with a portion of the first N2 stream recovered from the first swing adsorption reactor. The first purge output is passed to a second swing adsorption reactor comprising a second adsorbent material which adsorbs CO2. A second N2 stream is recovered from the second swing adsorption reactor. The pressure in the second swing adsorption reactor is reduced. The second swing adsorption reactor is purged with a steam purge.

公开(公告)号：US20170009652A1

公开(公告)日：2017-01-12

申请号：US15273800

申请日：2016-09-23

Applicant: ExxonMobil Research and Engineering Company

Inventor： Narasimhan SUNDARAM ,  Ramesh GUPTA ,  Hans THOMANN ,  Hugo S. CARAM ,  Loren K. STARCHER ,  Franklin F. MITTRICKER ,  Simon C. WESTON ,  Scott J. WEIGEL

IPC: F02C3/34 ,  F01K17/04 ,  B01D53/047 ,  F02C9/16

Abstract: Systems and methods are provided for combined cycle power generation while reducing or mitigating emissions during power generation. Recycled exhaust gas from a power generation combustion reaction can be separated using a swing adsorption process so as to generate a high purity CO2 stream while reducing/minimizing the energy required for the separation and without having to reduce the temperature of the exhaust gas. This can allow for improved energy recovery while also generating high purity streams of carbon dioxide and nitrogen.

Abstract translation: 提供系统和方法用于联合循环发电，同时减少或减少发电过程中的排放。 来自发电燃烧反应的回收废气可以使用回转吸附法分离，以产生高纯度CO 2流，同时减少/最小化分离所需的能量，而不必降低废气的温度。 这可以改善能量回收同时产生高纯度的二氧化碳和氮气流。