PROCESSES FOR THE PRODUCTION OF HYDROGENATED PRODUCTS
    91.
    发明申请
    PROCESSES FOR THE PRODUCTION OF HYDROGENATED PRODUCTS 有权
    生产氢化产品的方法

    公开(公告)号:US20110245515A1

    公开(公告)日:2011-10-06

    申请号:US13051688

    申请日:2011-03-18

    摘要: A process for making a hydrogenated product includes providing a clarified DAS-containing fermentation broth, distilling the broth to form an overhead that includes water and ammonia, and a liquid bottoms that includes MAS, at least some DAS, and at least about 20 wt % water, cooling and/or evaporating the bottoms, and optionally adding an antisolvent to the bottoms, to attain a temperature and composition sufficient to cause the bottoms to separate into a DAS-containing liquid portion and a MAS-containing solid portion that is substantially free of DAS, separating the solid portion from the liquid portion, recovering the solid portion, hydrogenating the second solid portion in the presence of at least one hydrogenation catalyst to produce the hydrogenated product comprising at least one of THF, GBL or BDO, and recovering the hydrogenated product.

    摘要翻译: 制备氢化产物的方法包括提供澄清的含DAS的发酵液,蒸馏培养液以形成包含水和氨的塔顶馏出物,以及液体塔底物,其包括MAS,至少一些DAS和至少约20wt% 水,冷却和/或蒸发塔底物,以及任选地向塔底物中加入抗溶剂,以获得足以使塔底物分离成含有DAS的液体部分的温度和组合物,以及基本上没有的含MAS的固体部分 的DAS,将固体部分与液体部分分离,回收固体部分,在至少一种氢化催化剂的存在下氢化第二固体部分以产生包含THF,GBL或BDO中的至少一种的氢化产物,并回收 氢化产物。

    Production of polytrimethylene ether glycol and copolymers thereof
    95.
    发明授权
    Production of polytrimethylene ether glycol and copolymers thereof 有权
    聚三亚甲基醚二醇的制备及其共聚物

    公开(公告)号:US06977291B2

    公开(公告)日:2005-12-20

    申请号:US09738688

    申请日:2000-12-15

    IPC分类号: C07C41/09 C08G65/34

    摘要: A process for the manufacture of polytrimethylene ether glycol comprising the steps of: (a) providing (1) 1,3-propanediol reactant selected from the group consisting of 1,3-propanediol and/or oligomers or prepolymers of 1,3-propanediol having a degree of polymerization of 2-9 and mixtures thereof, and (2) a polycondensation catalyst; and (b) polycondensing the 1,3-propanediol reactant to form a polytrimethylene ether glycol at less than one atmosphere pressure, and the product of the process. In addition, polytrimethylene ether glycol has a number average molecular weight greater than 1,500, an APHA color of less than 120, an unsaturation of less than 20 meq/kg, and a content of cyclic ether oligomers of less than 2%.

    摘要翻译: 一种制备聚三亚甲基醚二醇的方法,包括以下步骤:(a)提供(1)选自1,3-丙二醇和/或低聚物或1,3-丙二醇预聚物的1,3-丙二醇反应物 具有2-9的聚合度及其混合物,和(2)缩聚催化剂; 和(b)缩聚1,3-丙二醇反应物以在小于一个大气压下形成聚三亚甲基醚二醇,以及该方法的产物。 此外,聚三亚甲基醚二醇的数均分子量大于1500,APHA颜色小于120,不饱和度小于20meq / kg,环醚低聚物的含量小于2%。

    Production of 5-methylbutyrolactone from levulinic acid
    100.
    发明授权
    Production of 5-methylbutyrolactone from levulinic acid 失效
    从乙酰丙酸生产5-甲基丁内酯

    公开(公告)号:US06617464B2

    公开(公告)日:2003-09-09

    申请号:US10099354

    申请日:2002-03-15

    申请人: Leo E. Manzer

    发明人: Leo E. Manzer

    IPC分类号: C07D30704

    CPC分类号: C07D315/00

    摘要: A process for producing 5-methylbutyrolactone from levulinic acid utilizing an optionally supported metal catalyst is described. The catalyst has both a hydrogenation and a ring-closing function.

    摘要翻译: 描述了使用任选负载的金属催化剂从乙酰丙酸生产5-甲基丁内酯的方法。 催化剂具有氢化和闭环功能。