利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

173 条记录 (耗时 0.031 秒)

    Recovering ethanol sidedraw by separating crude product from hydrogenation process
    3.
    发明授权
    Recovering ethanol sidedraw by separating crude product from hydrogenation process 有权
    通过将粗产物与氢化过程分离来回收乙醇

    公开(公告)号：US08536384B2

    公开(公告)日：2013-09-17

    申请号：US13456651

    申请日：2012-04-26

    申请人： Victor J. Johnston ,  Radmila Jevtic ,  David Lee ,  Adam Orosco ,  R. Jay Warner ,  Heiko Weiner ,  Zhenhua Zhou ,  Emily Duff

    发明人： Victor J. Johnston ,  Radmila Jevtic ,  David Lee ,  Adam Orosco ,  R. Jay Warner ,  Heiko Weiner ,  Zhenhua Zhou ,  Emily Duff

    IPC分类号： C07C29/149

    CPC分类号： B01D3/002 ,  B01D3/143 ,  C07C29/149 ,  C07C29/76 ,  C07C29/80 ,  C07C31/08

    摘要： A process for producing ethanol is disclosed, comprising the steps of hydrogenating acetic acid in a reactor in the presence of a catalyst to form a crude ethanol product, separating at least a portion of the crude ethanol product in a column into a first distillate comprising ethanol and a first residue comprising acetic acid and water, wherein a substantial portion of the water in the crude ethanol product that is fed to the column is removed in the first residue, and separating a portion of the ethanol mixture stream to the second distillation column to yield an ethanol product sidedraw, second residue comprising water and a second distillate comprising ethyl acetate. The water content of the ethanol product sidedraw may be further reduced to yield a stream having reduced water content.

    摘要翻译： 公开了一种生产乙醇的方法，包括在催化剂存在下在反应器中氢化乙酸以形成粗乙醇产物的步骤，将塔中的至少一部分粗乙醇产物分离成包含乙醇的第一馏出物 和包含乙酸和水的第一残余物，其中在第一残余物中除去进料到塔中的粗乙醇产物中的大部分水，并将一部分乙醇混合物物流分离成第二蒸馏塔至 产生乙醇产物，副产物，第二残余物包含水和包含乙酸乙酯的第二馏出物。 可以进一步降低乙醇产品侧面的水含量以产生具有降低的水含量的料流。

    Chemisorption of ethyl acetate during hydrogenation of acetic acid to ethanol
    9.
    发明授权
    Chemisorption of ethyl acetate during hydrogenation of acetic acid to ethanol 有权
    在乙酸氢化成乙醇期间乙酸乙酯的化学吸附

    公开(公告)号：US09050585B2

    公开(公告)日：2015-06-09

    申请号：US13371064

    申请日：2012-02-10

    申请人： Zhenhua Zhou ,  Heiko Weiner ,  Dheeraj Kumar ,  Xiaoyan Tu ,  Victor J. Johnston ,  Radmila Jevtic

    发明人： Zhenhua Zhou ,  Heiko Weiner ,  Dheeraj Kumar ,  Xiaoyan Tu ,  Victor J. Johnston ,  Radmila Jevtic

    IPC分类号： C07C27/04 ,  B01J23/89 ,  C07C29/149 ,  C07C67/56 ,  C07C31/08 ,  B01J37/02 ,  B01J37/00

    CPC分类号： B01J23/8993 ,  B01J23/8966 ,  B01J23/898 ,  B01J37/0018 ,  B01J37/0201 ,  B01J37/0205 ,  C07C29/149 ,  C07C31/08 ,  C07C67/56 ,  C07C69/14

    摘要： A hydrogenation catalyst and process using the catalyst for converting a mixture comprising acetic acid and ethyl acetate to ethanol at a first temperature, and the catalyst desorbs ethyl acetate, in the absence of hydrogen, at a second temperature that is greater than the first temperature. The catalyst has a suitable chemisorption of ethyl acetate at the first temperature in the absence of hydrogen. In one embodiment, the first temperature ranges from 125° C. to 350° C. and the second temperature ranges from 300° C. to 600° C. The catalyst comprises one or more active metals or oxide thereof on a support that comprises tungsten or an oxide thereof. The one or more active metals are selected from the group consisting of cobalt, copper, gold, iron, nickel, palladium, platinum, iridium, osmium, rhenium, rhodium, ruthenium, tin, zinc, lanthanum, cerium, manganese, chromium, vanadium, and molybdenum.

    摘要翻译： 一种氢化催化剂和在第一温度下将包含乙酸和乙酸乙酯的混合物转化成乙醇的催化剂的方法，催化剂在不存在氢气的情况下在大于第一温度的第二温度下解吸乙酸乙酯。 在不存在氢气的情况下，催化剂在第一温度下具有适当的乙酸乙酯化学吸附。 在一个实施方案中，第一温度范围为125℃至350℃，第二温度范围为300℃至600℃。催化剂在包含钨的载体上包含一种或多种活性金属或其氧化物 或其氧化物。 一种或多种活性金属选自钴，铜，金，铁，镍，钯，铂，铱，锇，铼，铑，钌，锡，锌，镧，铈，锰，铬，钒 ，和钼。