公开(公告)号：US20230256422A1

公开(公告)日：2023-08-17

申请号：US18167159

申请日：2023-02-10

Applicant: North Carolina State University

Inventor： Fanxing Li ,  Xijun Wang ,  Emily Krzystowczyk ,  Jian Dou ,  Yunfei Gao

IPC: B01J23/78 ,  B01J23/889 ,  B01J23/83 ,  B01J23/00 ,  C01B32/40 ,  C01B3/40 ,  C07C5/42 ,  B01D53/86

CPC classification number: B01J23/78 ,  B01J23/8892 ,  B01J23/83 ,  B01J23/002 ,  C01B32/40 ,  C01B3/40 ,  C07C5/42 ,  B01D53/8671 ,  C01B2203/0261 ,  C01B2203/1058 ,  C01B2203/1241 ,  C07C2523/78 ,  C07C2523/889 ,  C07C2523/83 ,  B01D2255/402 ,  B01D2255/2045 ,  B01D2255/20738 ,  B01D2255/2047 ,  B01D2255/2022 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/2042 ,  B01D2255/2073 ,  B01D2257/104

Abstract: In one aspect, the disclosure relates to an oxygen-deficient mixed metal perovskite having the formula SrxA1-xFeyB1-yO3-δ, wherein A can be Ca, K, Y, Ba, La, Sm, or any combination thereof; wherein B can be Co, Cu, Mn, Mg, Ni, Ti, or any combination thereof; wherein x is from 0 to 1; wherein y is from 0 to 1; and wherein δ is from 0 to 0.7. Also disclosed are redox catalysts comprising the oxygen-deficient mixed metal perovskites and methods for chemical looping air separation, chemical looping CO2 splitting, and chemical looping alkane conversion using the disclosed catalysts.

公开(公告)号：US09878961B2

公开(公告)日：2018-01-30

申请号：US13982651

申请日：2011-12-28

Applicant: Hyo Jun Lim ,  Chang Dae Byun ,  In Kyu Song ,  Dong Jun Koh ,  Sun Hwan Hwang ,  Jeong Gil Seo

Inventor： Hyo Jun Lim ,  Chang Dae Byun ,  In Kyu Song ,  Dong Jun Koh ,  Sun Hwan Hwang ,  Jeong Gil Seo

IPC: B01J23/00 ,  C07C1/04 ,  B01J23/755 ,  B01J23/83 ,  B01J37/03 ,  B01J21/04 ,  B01J23/74 ,  B01J23/78 ,  B01J23/883 ,  B01J35/10

CPC classification number: C07C1/0435 ,  B01J21/04 ,  B01J23/74 ,  B01J23/755 ,  B01J23/78 ,  B01J23/83 ,  B01J23/883 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1061 ,  B01J37/036 ,  C07C1/044 ,  C07C2521/04 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2523/755 ,  C07C2523/78 ,  C07C2523/83 ,  C07C2523/883 ,  C07C9/04

Abstract: A nickel-M-alumina hybrid xerogel catalyst for preparing methane, wherein the metal M is at least one element selected from the group consisting of Fe, Co, Ni, Ce, La, Mo, Cs, Y, and Mg, a method for preparing the catalyst and a method for preparing methane using the catalyst are provided. The catalyst has strong resistance against a high-temperature sintering reaction and deposition of carbon species, and can effectively improve a conversion ratio of carbon monoxide and selectivity to methane.

公开(公告)号：US09732010B2

公开(公告)日：2017-08-15

申请号：US15443241

申请日：2017-02-27

Applicant: HITACHI ZOSEN CORPORATION ,  Koji Hashimoto

Inventor： Koji Hashimoto ,  Hiroyuki Takano ,  Kouichi Izumiya ,  Naokazu Kumagai ,  Zenta Kato ,  Hiroyuki Shinomiya

IPC: B01J21/00 ,  B01J23/00 ,  B01J25/00 ,  B01J29/00 ,  C07C1/12 ,  B01J23/83 ,  B01J23/78

CPC classification number: C07C1/12 ,  B01J23/002 ,  B01J23/78 ,  B01J23/83 ,  B01J37/0236 ,  B01J37/04 ,  B01J37/08 ,  B01J2523/00 ,  C07C1/0435 ,  C07C1/044 ,  C07C2521/06 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2523/755 ,  C07C2523/78 ,  C07C2523/83 ,  C10G2/332 ,  C10L3/08 ,  Y02P20/52 ,  C07C9/04 ,  B01J2523/23 ,  B01J2523/3706 ,  B01J2523/3737 ,  B01J2523/48 ,  B01J2523/847 ,  B01J2523/842 ,  B01J2523/3718 ,  B01J2523/845 ,  B01J2523/3762 ,  B01J2523/3725 ,  B01J2523/36 ,  B01J2523/22 ,  B01J2523/3712 ,  B01J2523/375

Abstract: Disclosed is a catalyst for methanation reaction producing methane with high conversion by reaction of hydrogen with carbon dioxide, or a gas mixture of carbon dioxide and carbon monoxide, or a gas mixture containing these compounds as the main components. The catalyst is prepared by the steps of mixing (A) aqueous zirconia sol with salts of (B) stabilizing element(s), which is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ca and Mg, and (C) iron group element(s), drying and calcining the mixture to obtain a catalyst precursor, and subsequent reduction of the precursor. The catalyst comprises, by atomic %, A: 18-70%, B: 1-20% and C: 25-80% based on the elemental states of the metals. The catalyst is characterized by multiple oxide of tetragonal zirconia structure, in which not only the stabilizing element(s) but also a part of the iron group element(s) is incorporated, and on which the iron group element(s) in the metallic state is supported.

公开(公告)号：US20170209851A1

公开(公告)日：2017-07-27

申请号：US15326959

申请日：2015-07-16

Applicant: HITACHI ZOSEN CORPORATION

Inventor： Koji HASHIMOTO ,  Hiroyuki TAKANO ,  Kouichi IZUMIYA ,  Naokazu KUMAGAI

IPC: B01J23/755 ,  B01J35/00 ,  C07C1/12 ,  B01J37/08 ,  B01J37/16 ,  B01J23/02 ,  B01J37/04

CPC classification number: B01J23/755 ,  B01J23/002 ,  B01J23/02 ,  B01J23/78 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/023 ,  B01J37/0009 ,  B01J37/0036 ,  B01J37/009 ,  B01J37/04 ,  B01J37/088 ,  B01J37/16 ,  B01J37/18 ,  B01J2523/00 ,  C07B61/00 ,  C07C1/12 ,  C07C2521/06 ,  C07C2523/02 ,  C07C2523/755 ,  C07C2523/78 ,  B01J2523/23 ,  B01J2523/48 ,  B01J2523/847 ,  B01J2523/31 ,  C07C9/04

Abstract: A methanation reaction catalyst for methanation by allowing carbon dioxide to react with hydrogen, wherein the methanation reaction catalyst includes a stabilized zirconia support having a tetragonal crystal structure and in which Ca and Ni are incorporated in the crystal structure, and Ni in the metal state supported on the stabilized zirconia support, includes the following in atomic % based on metals in the element state, A) Zr composing the stabilized zirconia support: 6 to 62 atomic %, B) Ca incorporated in the crystal structure: 1 to 20 atomic %, and C) a total of Ni incorporated in the crystal structure and Ni supported on the stabilized zirconia support: 30 to 90 atomic %, and the atomic ratio of Ca/(Zr+Ca) is 0.14 to 0.25.

公开(公告)号：US20170166499A1

公开(公告)日：2017-06-15

申请号：US15118357

申请日：2015-02-11

Applicant: INEOS STYROLUTION GROUP GMBH

Inventor： Michael L. MILLER ,  Timothy A. BROWN ,  Clay SHAFER

IPC: C07C5/333 ,  B01J19/24

CPC classification number: C07C5/3332 ,  B01J19/24 ,  B01J2208/00637 ,  B01J2208/00646 ,  B01J2208/00716 ,  B01J2219/00027 ,  B01J2219/24 ,  C07C5/42 ,  C07C2523/04 ,  C07C2523/745 ,  C07C2523/78 ,  C07C15/46

Abstract: The invention relates to a method for operating a dehydrogenation reactor for the dehydrogenation of hydrocarbons is provided wherein the dehydrogenation reactor comprises a potassium promoted iron oxide catalyst, the hydrocarbons being dehydrogenated in contact with the catalyst and carbon dioxide is introduced during a) start-up of the reactor, b) shut-down of the reactor, and c) steaming procedures, wherein the carbon dioxide is introduced in conjunction with steam in at least one method step.

公开(公告)号：US08524969B2

公开(公告)日：2013-09-03

申请号：US12506317

申请日：2009-07-21

Applicant: James Butler ,  Olga Khabashesku ,  James T. Merrill

Inventor： James Butler ,  Olga Khabashesku ,  James T. Merrill

IPC: C07C5/333

CPC classification number: C07C5/3332 ,  C07C2523/745 ,  C07C2523/78 ,  C07C2527/232 ,  C07C15/46 ,  C07C11/167 ,  C07C11/18 ,  C07C11/20

Abstract: A method for the dehydrogenation of hydrocarbons to alkenes, such as n-pentene to piperylene and n-butane to butadiene at pressures less than atmospheric utilizing a dehydrogenation catalyst are disclosed. Embodiments involve operating the dehydrogenation reactor at a pressure of 1,000 mbar or less.

Abstract translation: 公开了一种使用脱氢催化剂在低于大气压的压力下将烃脱氢成烯烃，例如正戊烯至戊间二烯和正丁烷至丁二烯的方法。 实施方案涉及在1000mbar或更低的压力下操作脱氢反应器。

公开(公告)号：US20130046033A1

公开(公告)日：2013-02-21

申请号：US13695743

申请日：2011-05-06

Applicant: Cristina Ferrini

Inventor： Cristina Ferrini

IPC: C07C1/02

CPC classification number: C07C1/044 ,  C07C2521/04 ,  C07C2521/06 ,  C07C2521/08 ,  C07C2521/10 ,  C07C2521/12 ,  C07C2523/745 ,  C07C2523/78 ,  Y02P20/52 ,  C07C11/04 ,  C07C11/06

Abstract: A new process for light-olefins production is disclosed. The process comprises the step of contacting syngas with a iron-based catalyst at a temperature in the range from 250° C. to 350° C. and at a pressure in the range from 10 bar to 40 bar. By so doing a production of light olefins with a selectivity of at least 80% is obtained.

公开(公告)号：US20130012606A1

公开(公告)日：2013-01-10

申请号：US13510867

申请日：2010-11-16

Applicant: Erling Rytter ,  Øyvind Borg ,  Sigrid Eri ,  Thomas Sperle

Inventor： Erling Rytter ,  Øyvind Borg ,  Sigrid Eri ,  Thomas Sperle

IPC: B01J23/78 ,  B01J23/80 ,  B01J23/889 ,  B01J23/89 ,  C07C1/04 ,  B01J23/83

CPC classification number: B01J21/04 ,  B01J23/005 ,  B01J23/75 ,  B01J23/83 ,  B01J23/8896 ,  B01J23/8913 ,  B01J23/8946 ,  B01J35/0053 ,  B01J35/1014 ,  B01J35/1038 ,  B01J35/1042 ,  B01J37/0205 ,  B01J37/0207 ,  B01J37/08 ,  B01J37/18 ,  C07C1/0435 ,  C07C1/0445 ,  C07C2523/78 ,  C10G2/332 ,  C10G2/333 ,  C10G2300/1022 ,  C10G2300/703

Abstract: A process for the preparation of an F-T catalyst in which the presence of alkaline earth metals is minimized in the support itself and in the processing conditions, in order to provide a catalyst with an alkaline earth metal content of less than 2000 ppm.

Abstract translation: 一种制备F-T催化剂的方法，其中碱土金属的存在在载体本身和处理条件下最小化，以提供碱土金属含量小于2000ppm的催化剂。

公开(公告)号：US07196035B2

公开(公告)日：2007-03-27

申请号：US11249867

申请日：2005-10-13

Applicant: J. Yong Ryu ,  Hugh M. Putman

Inventor： J. Yong Ryu ,  Hugh M. Putman

IPC: B01J23/755

CPC classification number: C07C5/05 ,  C07C5/09 ,  C07C2523/755 ,  C07C2523/78 ,  C07C2523/80 ,  C07C2523/84 ,  C07C2523/85 ,  C07C2523/885

Abstract: Improved Ni catalysts for hydrogenation reactions are disclosed. The catalysts are useful for hydrogenation such as selective hydrogenation of acetylenic impurities in crude olefin and diolefin streams. The catalysts are prepared by depositing nickel on a porous support which has the following specific physical properties; BET surface area of from 30 to about 100 m2/g, total nitrogen pore volume of from 0.4 to about 0.9 cc/g, and an average pore diameter of from about 110 to 450 Å with or without modifiers of one or more elements selected from the group consisting of Cu, Re, Pd, Zn, Mg, Mo, Ca and Bi.

Abstract translation: 公开了用于氢化反应的改进的Ni催化剂。 该催化剂可用于氢化，例如在粗烯烃和二烯烃流中的炔属杂质的选择性氢化。 催化剂通过在具有以下具体物理性质的多孔载体上沉积镍来制备; BET表面积为30至约100m 2 / g，总氮孔体积为0.4至约0.9cc / g，平均孔径为约110至450有或没有 一种或多种选自Cu，Re，Pd，Zn，Mg，Mo，Ca和Bi的元素的改性剂。

公开(公告)号：US20050272964A1

公开(公告)日：2005-12-08

申请号：US11171797

申请日：2005-06-30

Applicant: J. Ryu ,  Hugh Putman

Inventor： J. Ryu ,  Hugh Putman

IPC: C07C5/05 ,  C07C5/09 ,  C07C5/03 ,  B01J23/00 ,  B01J23/72 ,  C07C5/08

CPC classification number: C07C5/05 ,  C07C5/09 ,  C07C2523/755 ,  C07C2523/78 ,  C07C2523/80 ,  C07C2523/84 ,  C07C2523/85 ,  C07C2523/885

Abstract: Improved Ni catalysts for hydrogenation reactions are disclosed. The catalysts are useful for hydrogenation such as selective hydrogenation of acetylenic impurities in crude olefin and diolefin streams. The catalysts are prepared by depositing nickel on a porous support which has the following specific physical properties; BET surface area of from 30 to about 100 m2/g, total nitrogen pore volume of from 0.4 to about 0.9 cc/g, and an average pore diameter of from about 110 to 450 Å with or without modifiers of one or more elements selected from the group consisting of Cu, Re, Pd, Zn, Mg, Mo, Ca and Bi.

Abstract translation: 公开了用于氢化反应的改进的Ni催化剂。 该催化剂可用于氢化，例如在粗烯烃和二烯烃流中的炔属杂质的选择性氢化。 催化剂通过在具有以下具体物理性质的多孔载体上沉积镍来制备; BET表面积为30至约100m 2 / g，总氮孔体积为0.4至约0.9cc / g，平均孔径为约110至450有或没有 一种或多种选自Cu，Re，Pd，Zn，Mg，Mo，Ca和Bi的元素的改性剂。