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公开(公告)号：US20180057422A1
公开(公告)日：2018-03-01
申请号：US15799398
申请日：2017-10-31
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Lin Luo , Susan Domke , Howard W. Clark , Richard A. Pierce , Andrzej M. Malek , Mark W. Stewart , Brien A. Stears , Albert E. Schweizer, JR. , Guido Capone , Duncan P. Coffey , Isa K. Mbaraka
IPC: C07C5/333 , C07C11/08 , B01J23/62 , B01J23/96 , B01J38/02 , C07C11/06 , B01J38/14 , C07C11/10 , C07C5/32 , C07C11/04 , B01J38/12
CPC classification number: C07C5/3337 , B01J23/62 , B01J23/96 , B01J38/02 , B01J38/12 , B01J38/14 , B01J2523/00 , B01J2523/828 , C07C5/325 , C07C2521/12 , C07C2523/04 , C07C2523/08 , C07C2523/14 , C07C2523/42 , C07C2523/44 , C07C2523/46 , C07C2523/62 , C07C2527/224 , Y02P20/52 , Y02P20/584 , B01J2523/13 , B01J2523/31 , B01J2523/32 , B01J2523/41 , C07C11/04 , C07C11/06 , C07C11/08 , C07C11/10
Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
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公开(公告)号：US20150231586A1
公开(公告)日：2015-08-20
申请号：US14425902
申请日：2013-09-16
Applicant: Dow Global Technologies LLC , Carmagen Engineering
Inventor： Matthew Pretz , Don F. Shaw , Richard E. Walter , Mark Stewart
CPC classification number: B01J8/44 , B01J8/0015 , B01J8/0025 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/24 , B01J2208/00495 , B01J2208/00548 , B01J2208/00752 , B01J2208/00769 , B01J2208/00884 , B01J2208/00893 , B01J2208/00938
Abstract: Embodiments include a reactor and feed distribution assembly. The reactor and feed distribution assembly can include a reactor vessel, a gaseous feed conduit, a catalyst feed conduit, a catalyst feed conduit housing, and a catalyst backflow diverter.
Abstract translation: 实施例包括反应器和进料分配组件。 反应器和进料分配组件可以包括反应器容器，气体进料管，催化剂进料管，催化剂进料管壳和催化剂回流分流器。
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公开(公告)号：US20160256840A1
公开(公告)日：2016-09-08
申请号：US15032401
申请日：2014-09-22
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Matthew Pretz , Don F. Shaw , Richard E. Walter
IPC: B01J7/00
CPC classification number: B01J7/00 , B01J8/0055 , B01J8/008 , B01J8/18 , B01J2208/00557 , B04C5/24 , B04C11/00
Abstract: A cyclonic reactor vessel comprising: a primary cyclonic separation device disposed within the shell and having an outlet; a plurality of secondary cyclones, said secondary cyclones being disposed within the shell, and each of said secondary cyclones having a body, an inlet and an outlet; wherein the outlet of the primary cyclonic separation device is connected to the inlet of at least one secondary cyclone; a first plenum having a skirt and a floor forming a sealed annular chamber within the shell; a second plenum having a smaller volume than a volume of the first plenum; and a secondary cyclone support system minimizing or eliminating mechanical thermal stresses; and wherein the outlets of the plurality of secondary cyclones are fluidly connected to the second plenum is provided.
Abstract translation: 一种旋风反应堆容器，包括：主旋转分离装置，其设置在壳体内并具有出口; 多个第二旋风分离器，所述第二旋风分离器设置在壳体内，并且每个所述次级旋风分离器具有主体，入口和出口; 其中所述主旋风分离装置的出口连接到至少一个次级旋风分离器的入口; 第一增压室具有裙部和底板，在壳体内形成密封的环形室; 具有比第一增压室的体积小的体积的第二增压室; 以及最小化或消除机械热应力的次级旋风支撑系统; 并且其中提供多个次级旋风分离器的出口流体连接到第二增压室。
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公开(公告)号：US20150298037A1
公开(公告)日：2015-10-22
申请号：US14434973
申请日：2013-10-14
Applicant: DOW GLOBAL TECHNOLOGIES LLC , CARMAGEN ENGINEERING INC.
Inventor： Matthew Pretz , Mark W. Stewart , Don F. Shaw , Brien A. Stears , Madhusudhan M. Kodam , Ben Freireich
CPC classification number: B01D45/16 , B01D45/08 , B01D45/12 , B01J8/0055 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/34 , B01J2208/00991 , B04C3/00
Abstract: An improved process and an improved apparatus for minimizing attrition of catalyst particles, especially propane dehydrogenation catalyst particles, entrained in a combined flow of such particles and an entraining gas in a catalyst recovery means during separation of such particles from the entraining gas, by use of a pre-treatment step in which the combined flow is at a rate between 7.6 and 15.2 meters per second are provided.
Abstract translation: 一种改进的方法和一种改进的装置，用于在将这种颗粒与夹带气分离期间将催化剂颗粒，特别是丙烷脱氢催化剂颗粒的磨损最小化，这些丙烷脱氢催化剂颗粒被夹带在这种颗粒的组合流和催化剂回收装置中的夹带气体中， 提供了组合流量在7.6至15.2米/秒之间的速率的预处理步骤。
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公开(公告)号：US10065905B2
公开(公告)日：2018-09-04
申请号：US15799398
申请日：2017-10-31
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Lin Luo , Susan Domke , Howard W. Clark , Richard A. Pierce , Andrzej M. Malek , Mark W. Stewart , Brien A. Stears , Albert E. Schweizer, Jr. , Guido Capone , Duncan P. Coffey , Isa K. Mbaraka
Abstract: Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least 660° C., conditioning the heated catalyst in an oxygen-containing atmosphere and, optionally, stripping molecular oxygen from the conditioned catalyst.
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Patent Agency Ranking
公开(公告)号：US10016736B2
公开(公告)日：2018-07-10
申请号：US15032401
申请日：2014-09-22
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Don F. Shaw , Richard E. Walter
CPC classification number: B01J7/00 , B01J8/0055 , B01J8/008 , B01J8/18 , B01J2208/00557 , B04C5/24 , B04C11/00
Abstract: A cyclonic reactor vessel comprising: a primary cyclonic separation device disposed within the shell and having an outlet; a plurality of secondary cyclones, said secondary cyclones being disposed within the shell, and each of said secondary cyclones having a body, an inlet and an outlet; wherein the outlet of the primary cyclonic separation device is connected to the inlet of at least one secondary cyclone; a first plenum having a skirt and a floor forming a sealed annular chamber within the shell; a second plenum having a smaller volume than a volume of the first plenum; and a secondary cyclone support system minimizing or eliminating mechanical thermal stresses; and wherein the outlets of the plurality of secondary cyclones are fluidly connected to the second plenum is provided.
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公开(公告)号：US20150073191A1
公开(公告)日：2015-03-12
申请号：US14152346
申请日：2014-01-10
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Susan Domke , William M. Castor , Simon J. Hamper
IPC: C07C5/333
CPC classification number: C07C5/3337 , C07C5/3332 , Y02P20/52 , Y02P20/584 , C07C15/46 , C07C11/09 , C07C11/04 , C07C11/08 , C07C15/44 , C07C11/06
Abstract: A process for the dehydrogenation of a paraffinic hydrocarbon compound, such as an alkane or alkylaromatic hydrocarbon compound to produce an unsaturated hydrocarbon compound, such as an olefin or vinyl aromatic compound or mixture thereof, in which a dehydrogenation catalyst contacts gaseous reactant hydrocarbons in a reactor at dehydrogenation conditions.
Abstract translation: 一种链烷烃化合物如烷烃或烷基芳族烃化合物的脱氢以产生不饱和烃化合物如烯烃或乙烯基芳族化合物或其混合物的方法，其中脱氢催化剂与反应器中的气态反应物烃接触 在脱氢条件下。
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公开(公告)号：US09687765B2
公开(公告)日：2017-06-27
申请号：US14434973
申请日：2013-10-14
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Mark W. Stewart , Don F. Shaw , Brien A. Stears , Madhusudhan M. Kodam , Ben Freireich
CPC classification number: B01D45/16 , B01D45/08 , B01D45/12 , B01J8/0055 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/34 , B01J2208/00991 , B04C3/00
Abstract: An improved process and an improved apparatus for minimizing attrition of catalyst particles, especially propane dehydrogenation catalyst particles, entrained in a combined flow of such particles and an entraining gas in a catalyst recovery means during separation of such particles from the entraining gas, by use of a pre-treatment step in which the combined flow is at a rate between 7.6 and 15.2 meters per second are provided.
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公开(公告)号：US09624142B2
公开(公告)日：2017-04-18
申请号：US14152346
申请日：2014-01-10
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Susan Domke , William M. Castor , Simon J. Hamper
IPC: C07C5/333
CPC classification number: C07C5/3337 , C07C5/3332 , Y02P20/52 , Y02P20/584 , C07C15/46 , C07C11/09 , C07C11/04 , C07C11/08 , C07C15/44 , C07C11/06
Abstract: A process for the dehydrogenation of a paraffinic hydrocarbon compound, such as an alkane or alkylaromatic hydrocarbon compound to produce an unsaturated hydrocarbon compound, such as an olefin or vinyl aromatic compound or mixture thereof, in which a dehydrogenation catalyst contacts gaseous reactant hydrocarbons in a reactor at dehydrogenation conditions.
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公开(公告)号：US09370759B2
公开(公告)日：2016-06-21
申请号：US14425902
申请日：2013-09-16
Applicant: Dow Global Technologies LLC
Inventor： Matthew Pretz , Don F. Shaw , Richard E. Walter , Mark Stewart
CPC classification number: B01J8/44 , B01J8/0015 , B01J8/0025 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/24 , B01J2208/00495 , B01J2208/00548 , B01J2208/00752 , B01J2208/00769 , B01J2208/00884 , B01J2208/00893 , B01J2208/00938
Abstract: Embodiments include a reactor and feed distribution assembly. The reactor and feed distribution assembly can include a reactor vessel, a gaseous feed conduit, a catalyst feed conduit, a catalyst feed conduit housing, and a catalyst backflow diverter.
Abstract translation: 实施例包括反应器和进料分配组件。 反应器和进料分配组件可以包括反应器容器，气体进料管，催化剂进料管，催化剂进料管壳和催化剂回流分流器。
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