公开(公告)号：US20110213183A1

公开(公告)日：2011-09-01

申请号：US13061147

申请日：2009-08-24

申请人： Roman Anatolievich Trunin ,  Mikhail Lvovich Uchitel ,  Evgenij Iljich Maevsku ,  Vladimar Izrailevich Heifets ,  Sveilana Yakovlevna Chernitzkaya ,  Donna Kasseinova ,  Larisa Petrovna Pivonenkova ,  Tatiana Borisovna Lubimova

发明人： Roman Anatolievich Trunin ,  Mikhail Lvovich Uchitel ,  Evgenij Iljich Maevsku ,  Vladimar Izrailevich Heifets ,  Sveilana Yakovlevna Chernitzkaya ,  Donna Kasseinova ,  Larisa Petrovna Pivonenkova ,  Tatiana Borisovna Lubimova

IPC分类号： C07C51/36

CPC分类号： B01J23/892 ,  B01J23/44 ,  C07C51/36 ,  C07C51/43 ,  C07C55/10

摘要： A method for preparing succinic acid, including producing a modified palladium-containing catalyst by using an acid and liquid-phase hydrogenation of unsaturated acid compounds on the modified catalyst at an increased temperature and pressure; separating the catalyst from the succinic acid; wherein the modification of the catalyst is performed on a substrate having the palladium-containing catalyst delivered thereon, the delivery being performed in an oxygen-free atmosphere; the delivery being performed in an aqueous medium of succinic, maleic or fumaric acids and/or their mixtures at a Pd2+/acid ratio of 1:1-1:100; hydrogenating the liquid-phase unsaturated acid compounds selected from maleic, fumaric acids or their anhydrides or their mixtures; and crystallizing the succinic acid from an aqueous solution containing 0.001-0.01 wt. % succinic acid seed.

摘要翻译： 一种制备琥珀酸的方法，包括在升高的温度和压力下，通过在改性催化剂上使用不饱和酸化合物的酸和液相氢化制备改性的含钯催化剂; 将催化剂与琥珀酸分离; 其中所述催化剂的改性在其上交付有所述含钯催化剂的基材上进行，所述输送在无氧气氛中进行; 递送在丁酸，马来酸或富马酸和/或其混合物的水性介质中以1：1-1：100的Pd 2+ /酸比进行; 氢化选自马来酸，富马酸或其酸酐或其混合物的液相不饱和酸化合物; 并从含有0.001-0.01重量％的水溶液中使琥珀酸结晶。 ％琥珀酸种子。