公开(公告)号：US5030786A

公开(公告)日：1991-07-09

申请号：US371581

申请日：1989-06-23

Applicant: Edwar S. Shamshoum ,  James T. Merrill

Inventor： Edwar S. Shamshoum ,  James T. Merrill

IPC: C07C2/66 ,  C07C15/02

CPC classification number: C07C15/02 ,  C07C2/66 ,  C07C2529/08 ,  C07C2529/70

Abstract: Aromatic conversion processes employing zeolite Y, zeolite omega and zeolite beta molecular sieve catalyst. A feed stock containing at least one aromatic compound and having water entrained therein is passed to a dehydration zone. In the dehydration zone, water is removed to provide a dehydrated feed stock of a water content no more than 100 ppm, preferably 50 ppm or less. The dehydrated feed stock is then supplied to the reaction zone containing the molecular sieve catalyst selected from the group consisting of zeolite Y, zeolite omega, and zeolite beta. The reaction zone is operated at temperature and pressure conditions to maintain the reactor contents in the liquid phase and also sufficient to cause the conversion reaction to proceed in the presence of the catalyst. Specific conversion processes include the ethylation of benzene under liquid-phase conditions to produce ethylbenzene and the transalkylation of a feed stock containing a mixture of a polyalkylbenzene component and a benzene component to produce a disproportionation product comprising a monoalkylbenzene.

Abstract translation: 使用沸石Y，沸石ω和沸石β分子筛催化剂的芳香族转化方法。 含有至少一种芳族化合物并且携带有水的原料被送入脱水区。 在脱水区中，除去水，得到含水量不超过100ppm，优选为50ppm以下的脱水原料。 然后将脱水的原料供给到含有分子筛催化剂的反应区，该分子筛催化剂选自沸石Y，沸石ω和β沸石。 反应区在温度和压力条件下操作以将反应器内容物保持在液相中，并且还足以使催化剂存在下转化反应进行。 具体的转化方法包括在液相条件下苯的乙基化以制备乙苯和含有多烷基苯组分和苯组分的混合物的原料的烷基转移以产生包含单烷基苯的歧化产物。

公开(公告)号：US20130217937A1

公开(公告)日：2013-08-22

申请号：US13847267

申请日：2013-03-19

Applicant: James T. Merrill ,  Marcus Ledoux

Inventor： James T. Merrill ,  Marcus Ledoux

IPC: C07C2/66

CPC classification number: C07C2/66 ,  Y02P20/584 ,  C07C15/02

Abstract: Alkylation systems and methods of minimizing alkylation catalyst regeneration are discussed herein. The alkylation systems generally include a preliminary alkylation system adapted to receive an input stream including an alkyl aromatic hydrocarbon and contact the input stream with a first preliminary alkylation catalyst disposed therein to form a first output stream. The first preliminary alkylation catalyst generally includes a Y zeolite. The systems further include a first alkylation system adapted to receive the first output stream and contact the first output stream with a first alkylation catalyst disposed therein and an alkylating agent to form a second output stream.

Abstract translation: 本文讨论了使烷基化催化剂再生最小化的烷基化系统和方法。 烷基化系统通常包括适于接收包含烷基芳族烃的输入流并将输入流与设置在其中的第一初步烷基化催化剂接触以形成第一输出流的初步烷基化系统。 第一初步烷基化催化剂通常包括Y沸石。 所述系统还包括适于接收第一输出流并将第一输出流与设置在其中的第一烷基化催化剂接触的第一烷基化系统和烷基化剂以形成第二输出流。

公开(公告)号：US07696395B2

公开(公告)日：2010-04-13

申请号：US11811084

申请日：2007-06-08

Applicant: James T. Merrill

Inventor： James T. Merrill

IPC: C07C5/32 ,  C07C2/10 ,  C07C2/24

CPC classification number: C08F236/08 ,  C08C4/00

Abstract: Process for the production of an isoprene containing rubber compound by dehydrogenation of an isoamylene containing feedstock supplied to a dehydrogenation reactor containing a particulate dehydrogenation catalyst comprising iron and potassium and having a pore diameter of at least 500 nanometers. The dehydrogenation reactor is operated at a temperature of at least 570° C. to dehydrogenate the isoamylene to produce isoprene. The product containing isoprene and unreacted isoamylene is recovered from the dehydrogenation reactor. Isoprene is polymerized to produce an isoprene containing rubber product. An unreacted feed component containing isoamylene is separated from the rubber product and recycled to the dehydrogenation reactor.

Abstract translation: 通过将含有异戊烯的原料脱氢而制备含异戊二烯的橡胶化合物的方法，所述异戊烯的原料供给含有含有铁和钾并且孔径至少为500纳米的颗粒脱氢催化剂的脱氢反应器。 脱氢反应器在至少570℃的温度下操作以使异戊烯脱氢以产生异戊二烯。 从脱氢反应器回收含有异戊二烯和未反应的异戊烯的产物。 将异戊二烯聚合以产生含异戊二烯的橡胶产品。 将含有异戊烯的未反应进料组分与橡胶产物分离并再循环至脱氢反应器。

公开(公告)号：US20100022816A1

公开(公告)日：2010-01-28

申请号：US12177740

申请日：2008-07-22

Applicant: James T. Merrill

Inventor： James T. Merrill

IPC: C07C5/333 ,  C07C5/327

CPC classification number: C07C5/3332 ,  C07C2523/04 ,  C07C2523/745 ,  C07C11/18

Abstract: A method for the dehydrogenation of isoamylene to isoprene at pressures less than atmospheric utilizing a dehydrogenation catalyst is 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异戊烯脱氢成异戊二烯的方法。 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：US07105711B2

公开(公告)日：2006-09-12

申请号：US10631687

申请日：2003-07-31

Applicant: James T. Merrill

Inventor： James T. Merrill

IPC: C07C5/10

CPC classification number: C07C5/09 ,  C07C7/167 ,  C07C2521/04 ,  C07C2523/72 ,  C07C15/46

Abstract: A process for the reduction of a phenylacetylene contaminant in the presence of a styrene monomer. A styrene monomer stream containing a minor amount of phenylacetylene is supplied to a hydrogenation reactor. A hydrogenation gas comprising hydrogen is also supplied to the hydrogenation reactor. The styrene monomer stream and the hydrogen are brought into contact with a catalyst bed containing a catalyst comprising a reduced copper compound on a theta alumina support. The hydrogenation reactor is operated at a temperature of at least 60° C. and a pressure of at least 30 psig to hydrogenate phenylacetylene to styrene. A product is recovered from the hydrogenation reactor having a substantially reduced phenylacetylene content and an enhanced styrene content. The hydrogenation gas comprises a mixture of nitrogen and hydrogen.

Abstract translation: 在苯乙烯单体存在下还原苯乙炔污染物的方法。 将含有少量苯乙炔的苯乙烯单体流供给到氢化反应器。 包含氢的氢化气体也被供给到氢化反应器。 使苯乙烯单体流和氢与含有还原铜化合物的催化剂床在θ氧化铝载体上接触。 氢化反应器在至少60℃的温度和至少30psig的压力下操作以将苯乙炔氢化成苯乙烯。 从具有显着降低的苯乙炔含量和增强的苯乙烯含量的氢化反应器中回收产物。 氢化气体包括氮和氢的混合物。

公开(公告)号：US06960279B2

公开(公告)日：2005-11-01

申请号：US10139524

申请日：2002-05-06

Applicant: James T. Merrill

Inventor： James T. Merrill

IPC: C07C7/04 ,  C07C7/20 ,  C07C15/46 ,  C08F2/42 ,  C08F12/00 ,  B01D3/34 ,  C07C7/05 ,  C09K3/00

CPC classification number: C07C7/20 ,  C08F2/40 ,  C08F112/08 ,  C07C15/46 ,  C07C15/44 ,  C08F2/38 ,  C08F2/42

Abstract: Disclosed is the observation that 7-aryl-quinone methides and 4-tert-butylcatechol, when used in combination in a vinyl aromatic monomer to inhibit polymerization,do not inhibit polymerization to the same extend as each would if used separately. Stated another way, a phenomenon has been observed that when these two compounds are used together, they can, to a large extent, render each other unable to inhibit polymerization in a vinyl aromatic monomer. Also disclosed are methods of preventing adverse results of this interaction when undesired and a method of using this interaction to prepare a reactive vinyl aromatic monomer having a concentration of 4-tert-butylcatechol that would otherwise inhibit polymerization. The invention is disclosed to be useful with the production and storage of any vinyl aromatic monomer and is disclosed to be particularly useful with the production and storage of styrene monomer.

Abstract translation: 公开的观察结果是，7-芳基 - 醌甲基化物和4-叔丁基邻苯二酚在乙烯基芳族单体中组合用于抑制聚合时不抑制聚合反应至相同的延伸，如同分别使用的那样。 换句话说，已经观察到当这两种化合物一起使用时，它们可以在很大程度上彼此不能抑制乙烯基芳族单体中的聚合。 还公开了防止这种相互作用的不利结果的方法，以及使用该相互作用制备具有4-叔丁基儿茶酚浓度的反应性乙烯基芳族单体的方法，否则其将抑制聚合。 公开了本发明可用于任何乙烯基芳族单体的生产和储存，并且被公开用于苯乙烯单体的生产和储存特别有用。

公开(公告)号：US08426662B2

公开(公告)日：2013-04-23

申请号：US13344390

申请日：2012-01-05

Applicant: James T. Merrill ,  Marcus Ledoux

Inventor： James T. Merrill ,  Marcus Ledoux

IPC: C07C2/66

CPC classification number: C07C2/66 ,  Y02P20/584 ,  C07C15/02

Abstract: Alkylation systems and methods of minimizing alkylation catalyst regeneration are discussed herein. The alkylation systems generally include a preliminary alkylation system adapted to receive an input stream including an alkyl aromatic hydrocarbon and contact the input stream with a first preliminary alkylation catalyst disposed therein to form a first output stream. The first preliminary alkylation catalyst generally includes a Y zeolite. The systems further include a first alkylation system adapted to receive the first output stream and contact the first output stream with a first alkylation catalyst disposed therein and an alkylating agent to form a second output stream.

Abstract translation: 本文讨论了使烷基化催化剂再生最小化的烷基化系统和方法。 烷基化系统通常包括适于接收包含烷基芳族烃的输入流并将输入流与设置在其中的第一初步烷基化催化剂接触以形成第一输出流的初步烷基化系统。 第一初步烷基化催化剂通常包括Y沸石。 所述系统还包括适于接收第一输出流并将第一输出流与设置在其中的第一烷基化催化剂接触的第一烷基化系统和烷基化剂以形成第二输出流。