Use of H2S-containing offgas streams for preparing sulfur-containing products
    3.
    发明授权
    Use of H2S-containing offgas streams for preparing sulfur-containing products 有权
    使用含H2S的废气流来制备含硫产品

    公开(公告)号:US07235697B2

    公开(公告)日:2007-06-26

    申请号:US11302614

    申请日:2005-12-14

    摘要: The present invention relates to a process for preparing sulfur-containing compounds of the general formula I in which Q, R1 and R2 are each independently defined as follows: Q: —S— or —S—S—, R1: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, R2: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, where R1 and R2 are not simultaneously hydrogen, by reacting a mixed gas stream comprising hydrogen sulfide, with or without oxygen, with linear or branched C1-C30-olefins, which comprises carrying out the reaction in the presence of water and carbon dioxide at a pressure of from 2 to 325 bar.

    摘要翻译: 本发明涉及一种制备通式I的含硫化合物的方法,其中Q,R 1和R 2各自独立定义如下:Q: -S-或-SS-,R 1:氢或饱和或不饱和的直链或支链C 1 -C 30 - 烷基, R 2是氢或饱和或不饱和的直链或支链C 1 -C 30 - 烷基,其中R 1, 通过使包含硫化氢的混合气流与有或没有氧气反应,使其与直链或支链的C 1 -C 1烷基, 其中包括在2至325巴的压力下在水和二氧化碳存在下进行反应。

    Preparation of thiols
    4.
    发明申请
    Preparation of thiols 审中-公开
    硫醇的制备

    公开(公告)号:US20060173218A1

    公开(公告)日:2006-08-03

    申请号:US11300620

    申请日:2005-12-14

    IPC分类号: C07C319/00

    CPC分类号: C07C319/04 C07C321/04

    摘要: The present invention relates to a process for preparing alkyl thiols by adding hydrogen sulfide to double bonds of C6-C20 olefins at a temperature of from 20 to 150° C. and a pressure of from 1 to 40 bar, wherein the reaction is carried out in the presence of at least one organic, liquid acid, and to the use of organic, liquid acids as a catalyst for increasing the selectivity and/or reaction rate in the addition of hydrogen sulfide to double bonds of C6-C20 olefins to prepare alkyl thiols.

    摘要翻译: 本发明涉及通过在20-150℃的温度下将硫化氢加入到C 6 -C 20烯烃的双键中制备烷基硫醇的方法。 和1至40巴的压力,其中反应在至少一种有机液体酸存在下进行,并且使用有机液体酸作为催化剂,以提高选择性和/或反应速率 将硫化氢加入到C 6 -C 20烯烃的双键中以制备烷基硫醇。

    Use of H2S-containing offgas streams for preparing sulfur-containing products
    5.
    发明申请
    Use of H2S-containing offgas streams for preparing sulfur-containing products 有权
    使用含H2S的废气流来制备含硫产品

    公开(公告)号:US20060128994A1

    公开(公告)日:2006-06-15

    申请号:US11302614

    申请日:2005-12-14

    IPC分类号: C07C315/00

    摘要: The present invention relates to a process for preparing sulfur-containing compounds of the general formula I in which Q, R1 and R2 are each independently defined as follows: Q: —S— or —S—S—, R1: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, R2: hydrogen or saturated or unsaturated, linear or branched C1-C30-alkyl radical, where R1 and R2 are not simultaneously hydrogen, by reacting a mixed gas stream comprising hydrogen sulfide, with or without oxygen, with linear or branched C1-C30-olefins, which comprises carrying out the reaction in the presence of water and carbon dioxide at a pressure of from 2 to 325 bar.

    摘要翻译: 本发明涉及一种制备通式I的含硫化合物的方法,其中Q,R 1和R 2各自独立定义如下:Q: -S-或-SS-,R 1:氢或饱和或不饱和的直链或支链C 1 -C 30 - 烷基, R 2是氢或饱和或不饱和的直链或支链C 1 -C 30 - 烷基,其中R 1, 通过使包含硫化氢的混合气流与有或没有氧气反应,使其与直链或支链的C 1 -C 1烷基, 其中包括在2至325巴的压力下在水和二氧化碳存在下进行反应。

    Process for workup of a stream comprising butene and/or butadiene
    9.
    发明授权
    Process for workup of a stream comprising butene and/or butadiene 有权
    用于后处理包含丁烯和/或丁二烯的流的方法

    公开(公告)号:US08420879B2

    公开(公告)日:2013-04-16

    申请号:US13411080

    申请日:2012-03-02

    IPC分类号: C07C7/08

    摘要: The invention relates to a process for workup of a stream (1) comprising butene and/or butadiene, butane, hydrogen and/or nitrogen and carbon dioxide, comprising: (a) absorption of stream (1) with a mixture (5) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to obtain a stream (9) comprising N-methylpyrrolidone, water, butene and/or butadiene, butane, and optionally carbon dioxide, and a stream (7) comprising hydrogen and/or nitrogen and butane, (b) extractive distillation of stream (9) with a stream (13) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to separate the stream (9) into a stream (17) comprising N-methylpyrrolidone, water, butene and/or butadiene, and a stream (15) comprising essentially butane, and optionally carbon dioxide, (c) distillation of stream (17) into a stream (23) comprising essentially N-methylpyrrolidone and water, and a stream (21) comprising butene and/or butadiene.

    摘要翻译: 本发明涉及一种用于后处理包含丁烯和/或丁二烯,丁烷,氢气和/或氮气和二氧化碳的物流(1)的方法,其包括:(a)通过混合物(5)吸收料流(1) 80至97重量%的N-甲基吡咯烷酮和3至20重量%的水,以获得包含N-甲基吡咯烷酮,水,丁烯和/或丁二烯,丁烷和任选的二氧化碳的流(9)和流 7)包含氢和/或氮和丁烷,(b)用包含80至97重量%的N-甲基吡咯烷酮和3至20重量%的水的料流(13)萃取蒸馏料流(9)以分离 (9)进入包含N-甲基吡咯烷酮,水,丁烯和/或丁二烯的物流(17)和基本上包含丁烷和任选的二氧化碳的物流(15),(c)将物流(17)蒸馏成流 (23)和包含丁烯和/或丁二烯的物流(21)。

    PROCESS FOR WORKUP OF A STREAM COMPRISING BUTENE AND/OR BUTADIENE
    10.
    发明申请
    PROCESS FOR WORKUP OF A STREAM COMPRISING BUTENE AND/OR BUTADIENE 有权
    用于工作包含有机和/或二倍体的流程的方法

    公开(公告)号:US20120226087A1

    公开(公告)日:2012-09-06

    申请号:US13411080

    申请日:2012-03-02

    IPC分类号: C07C7/11 C07C7/04 C07C7/08

    摘要: The invention relates to a process for workup of a stream (1) comprising butene and/or butadiene, butane, hydrogen and/or nitrogen and carbon dioxide, comprising: (a) absorption of stream (1) with a mixture (5) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to obtain a stream (9) comprising N-methylpyrrolidone, water, butene and/or butadiene, butane, and optionally carbon dioxide, and a stream (7) comprising hydrogen and/or nitrogen and butane, (b) extractive distillation of stream (9) with a stream (13) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to separate the stream (9) into a stream (17) comprising N-methylpyrrolidone, water, butene and/or butadiene, and a stream (15) comprising essentially butane, and optionally carbon dioxide, (c) distillation of stream (17) into a stream (23) comprising essentially N-methylpyrrolidone and water, and a stream (21) comprising butene and/or butadiene.

    摘要翻译: 本发明涉及一种用于后处理包含丁烯和/或丁二烯,丁烷,氢气和/或氮气和二氧化碳的物流(1)的方法,其包括:(a)通过混合物(5)吸收料流(1) 80至97重量%的N-甲基吡咯烷酮和3至20重量%的水,以获得包含N-甲基吡咯烷酮,水,丁烯和/或丁二烯,丁烷和任选的二氧化碳的流(9)和流 7)包含氢和/或氮和丁烷,(b)用包含80至97重量%的N-甲基吡咯烷酮和3至20重量%的水的料流(13)萃取蒸馏料流(9)以分离 (9)进入包含N-甲基吡咯烷酮,水,丁烯和/或丁二烯的物流(17)和基本上包含丁烷和任选的二氧化碳的物流(15),(c)将物流(17)蒸馏成流 (23)和包含丁烯和/或丁二烯的物流(21)。