公开(公告)号：US20190127341A1

公开(公告)日：2019-05-02

申请号：US16225147

申请日：2018-12-19

Applicant: SCIENTIFIC DESIGN COMPANY, INC. ,  Noritake Co., Limited

Inventor： Serguei PAK ,  Yasuyuki KATO

IPC: C07D301/10 ,  B01J21/08 ,  B01J21/12 ,  B01J23/66

Abstract: A carrier for an ethylene epoxidation catalyst, the carrier comprising a porous alumina body formed of sintered particles of alumina in a substantial absence of inorganic binder species other than alumina, wherein the substantial absence of inorganic binder species corresponds to an amount of less than 0.6 wt % inorganic binder species other than alumina and comprises at least a substantial absence of silicon-containing species.

公开(公告)号：US10124318B2

公开(公告)日：2018-11-13

申请号：US15171273

申请日：2016-06-02

Applicant: Scientific Design Company, Inc.

Inventor： Wojciech L. Suchanek ,  Matthew Julian

IPC: B01J21/04 ,  B01J35/04 ,  C04B35/06 ,  B01J35/10 ,  C07D301/22 ,  B01J37/00 ,  B01J37/08 ,  B01J23/50 ,  C04B38/00 ,  C07D301/10 ,  C04B41/88 ,  C04B38/08 ,  C04B41/00 ,  C04B41/51 ,  B01J19/00 ,  B01J23/04 ,  B01J23/36 ,  C04B41/45 ,  C04B111/00

Abstract: A precursor mixture for producing a porous body, wherein the precursor mixture comprises: (i) milled alpha alumina powder having a particle size of 0.1 to 6 microns, (ii) boehmite powder that functions as a binder of the alpha alumina powders, and (iii) burnout materials having a particle sizes of 1-10 microns. In some embodiments, an unmilled alpha alumina powder having a particle size of 10 to 100 microns is also included in said precursor mixture. Also described herein is a method for producing a porous body in which the above-described precursor mixture is formed to a given shape, and subjected to a heat treatment step in which the formed shape is sintered to produce the porous body.

公开(公告)号：US20170369460A1

公开(公告)日：2017-12-28

申请号：US15700813

申请日：2017-09-11

Applicant: Scientific Design Company, Inc.

Inventor： Nabil Rizkalla ,  Andrzej Rokicki

IPC: C07D301/10 ,  B01J37/06 ,  B01J23/50 ,  B01J21/04 ,  B01J23/68 ,  B01J23/66 ,  C01F7/02 ,  B01J37/02

Abstract: A method for lowering the sodium content of different carriers which may have different physical properties as well as varying degrees of sodium is provided. The method, which lowers the sodium content from the surface, subsurface as well as the binding layer of the carrier, includes contacting a carrier with water. A rinse solution is recovered from the contacting. The rinse solution includes leached sodium from the carrier. The sodium content in the rinse solution is then determined. The contacting, recovering and determining are repeated until a steady state in the sodium content is achieved.

公开(公告)号：US09227912B2

公开(公告)日：2016-01-05

申请号：US14578784

申请日：2014-12-22

Applicant: Scientific Design Company, Inc.

Inventor： Katelyn Marvin ,  Barry Jay Billig

IPC: C07C213/04 ,  C07C213/10

CPC classification number: C07C213/10 ,  C07C213/04 ,  C07C215/08 ,  C07C215/12

Abstract: A process for the preparation of ethanolamines comprising reacting a water-ammonia solution with ethylene oxide to form an effluent reaction mixture comprising unreacted ammonia, water and ethanolamines. This effluent reaction mixture is then subjected to a succession of steps to, inter alia, separate the ethanolamines.

Abstract translation: 一种制备乙醇胺的方法，包括使水 - 氨溶液与环氧乙烷反应以形成包含未反应的氨，水和乙醇胺的流出反应混合物。 然后将该流出物反应混合物进行一系列步骤，特别是分离乙醇胺。

公开(公告)号：US09221776B2

公开(公告)日：2015-12-29

申请号：US14578803

申请日：2014-12-22

Applicant: Scientific Design Company, Inc.

Inventor： Andrew D. Schmitz ,  William Crudge

IPC: C07D301/03 ,  C07D301/10

CPC classification number: C07D301/10

Abstract: A method for the epoxidation of an olefin comprising reacting a feed gas composition containing an olefin, oxygen, and a halocarbon moderator having a first moderator concentration M1 in the presence of an epoxidation catalyst at a first temperature T1; increasing the first temperature to a second temperature T2; and increasing the first moderator concentration to a second moderator concentration M2, wherein the second moderator concentration is defined by: M2=M1(1+r)T2−T1 wherein the temperature has the units of degrees Celsius, and r is a constant factor which is in the range of from 0.001% to 100%.

Abstract translation: 一种烯烃的环氧化方法，包括在环氧化催化剂的存在下，在第一温度T1下使包含烯烃，氧和具有第一缓和剂浓度M1的卤化碳慢化剂的进料气体组合物反应; 将第一温度升高到第二温度T2; 并且将第一减速剂浓度增加到第二减速剂浓度M2，其中第二减速剂浓度由以下定义：M2 = M1（1 + r）T2-T1其中温度具有摄氏度的单位，r是常数因子 在0.001％至100％的范围内。

公开(公告)号：US09096561B2

公开(公告)日：2015-08-04

申请号：US14253366

申请日：2014-04-15

Applicant: Scientific Design Company, Inc.

Inventor： Mansoor Husain

IPC: C07D301/06

CPC classification number: C07D301/06 ,  C07D301/04 ,  C07D301/32

Abstract: A method for the oxidation of ethylene to form ethylene oxide is provided that includes passing an aqueous stream through a guard bed and one or more ion exchange treatment beds. The guard bed and the aqueous stream contain from about 0.2 to 20 wt % ethylene glycol. The guard bed contains a cross-linked polystyrene resin, partially functionalized with quaternary ammonium functional groups and the resin has a surface area of greater than 400 m2/g.

Abstract translation: 提供了一种乙烯氧化形成环氧乙烷的方法，其包括使水流通过保护床和一个或多个离子交换处理床。 保护床和含水流含有约0.2-20重量％的乙二醇。 保护床含有交联聚苯乙烯树脂，部分用季铵官能团官能化，树脂的表面积大于400m2 / g。

公开(公告)号：US09067902B2

公开(公告)日：2015-06-30

申请号：US14152519

申请日：2014-01-10

Applicant: Scientific Design Company, Inc.

Inventor： Ashok S. Padia ,  Hassan Eisa Al-Ahmadi

IPC: C07D301/03 ,  C07C43/00 ,  C07C29/00 ,  C07D301/10 ,  C07D301/08 ,  C07C29/10

CPC classification number: C07D301/10 ,  C07C29/106 ,  C07D301/08 ,  C07C31/202

Abstract: A method for the epoxidation of an olefin comprising the steps of reacting a feed gas composition containing an olefin, oxygen, and a moderator having a post-conditioning step where the catalyst is exposed to reactor feed having a chlorides concentration of from about 5 ppm to about 7 ppm and at a temperature of about 215° C. to about 225° C.

Abstract translation: 一种用于烯烃环氧化的方法，包括以下步骤：使含有烯烃，氧和具有后处理步骤的缓和剂的进料气体组合物反应，其中催化剂暴露于反应器进料中，氯化物浓度为约5ppm至 约7ppm和约215℃至约225℃的温度

公开(公告)号：US20140221196A1

公开(公告)日：2014-08-07

申请号：US14175401

申请日：2014-02-07

Applicant: Scientific Design Company, Inc.

Inventor： Wojciech Suchanek ,  Andrzej Rokicki

IPC: B01J23/66 ,  B01J23/50 ,  B01J21/04

CPC classification number: B01J23/66 ,  B01J21/04 ,  B01J23/002 ,  B01J23/50 ,  B01J23/688 ,  B01J35/0006 ,  B01J35/006 ,  B01J35/023 ,  B01J35/026 ,  B01J35/10 ,  B01J35/1009 ,  B01J35/1014 ,  B01J35/1038 ,  B01J35/1042 ,  B01J35/1076 ,  B01J35/109 ,  B01J37/0018 ,  B01J37/0203 ,  B01J37/0207 ,  B01J37/06 ,  B01J37/08 ,  C04B35/1115 ,  C04B35/117 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3284 ,  C04B2235/3409 ,  C04B2235/3817 ,  C04B2235/3852 ,  C04B2235/40 ,  C04B2235/442 ,  C04B2235/446 ,  C04B2235/448 ,  C04B2235/52 ,  C04B2235/6021 ,  C07D301/08 ,  C07D301/10 ,  Y02P20/52

Abstract: Silver based ethylene oxide catalysts having enhanced stability are disclosed. The enhanced stability silver based ethylene oxide catalysts include an alumina carrier which has been modified to include cavities on the surface of the carrier. The presence of the cavities on the surface of the modified carrier stops or at least impedes the motion of silver particles on the surface of the carrier during an epoxidation process. In particular, the cavities on the surface of the alumina carrier effectively trap and/or anchor silver particles and prevent them from further motion.

Abstract translation: 公开了具有增强的稳定性的银基环氧乙烷催化剂。 增强稳定性的银基环氧乙烷催化剂包括氧化铝载体，其已被改性以在载体的表面上包括空腔。 在环氧化过程中，改性载体表面上的空腔的存在停止或至少阻止银颗粒在载体表面上的运动。 特别地，氧化铝载体表面上的空穴有效地俘获和/或锚定银颗粒并防止它们进一步运动。