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公开(公告)号：US20130197258A1
公开(公告)日：2013-08-01
申请号：US13704845
申请日：2011-06-16
CPC分类号： C07C45/29 , B01J21/063 , B01J21/066 , B01J21/08 , B01J23/10 , B01J23/20 , B01J23/30 , B01J23/34 , C07C45/52 , C07C319/18 , C07C319/20 , C07C47/22 , C07C323/22 , C07C323/60 , C07C323/52 , C07C323/58
摘要： The invention concerns a method for preparing acrolein from glycerol or glycerine, wherein dehydration of the glycerol or glycerine is achieved in the presence of a catalyst based on zirconium oxide and which active phase consists in at leasta) a silicon oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and titanium,b) a titanium oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and silicon.This method can be used for making 3-(methylthio)propionic aldehyde MMP, 2-hydroxy-4-,methylthiobutyronitrile HMTBN, methionine and its analogs.
摘要翻译： 本发明涉及一种从甘油或甘油制备丙烯醛的方法，其中在基于氧化锆的催化剂存在下实现甘油或甘油的脱水，并且活性相至少包括a）氧化硅，氧化锆和 至少一种金属M氧化物，所述金属选自钨，铈，锰，铌，钽，钒和钛，b）氧化钛，氧化锆和至少一种金属M氧化物，所述金属选自钨， 铈，锰，铌，钽，钒和硅。 该方法可用于制备3-（甲硫基）丙醛MMP，2-羟基-4-甲基硫代丁腈HMTBN，甲硫氨酸及其类似物。
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公开(公告)号：US09079841B2
公开(公告)日：2015-07-14
申请号：US13704845
申请日：2011-06-16
IPC分类号： C07C45/66 , C07C319/18 , C07C49/29 , C07C45/29 , B01J21/06 , B01J21/08 , B01J23/30 , C07C45/52 , C07C319/20 , B01J23/10 , B01J23/20 , B01J23/34
CPC分类号： C07C45/29 , B01J21/063 , B01J21/066 , B01J21/08 , B01J23/10 , B01J23/20 , B01J23/30 , B01J23/34 , C07C45/52 , C07C319/18 , C07C319/20 , C07C47/22 , C07C323/22 , C07C323/60 , C07C323/52 , C07C323/58
摘要： The invention concerns a method for preparing acrolein from glycerol or glycerine, wherein dehydration of the glycerol or glycerine is achieved in the presence of a catalyst based on zirconium oxide and which active phase consists in at least a) a silicon oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and titanium, b) a titanium oxide, a zirconium oxide and at least one metal M oxide, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and silicon. This method can be used for making 3-(methylthio)propionic aldehyde MMP, 2-hydroxy-4-methylthiobutyronitrile HMTBN, methionine and its analogs.
摘要翻译： 本发明涉及一种从甘油或甘油制备丙烯醛的方法，其中在基于氧化锆的催化剂存在下实现甘油或甘油的脱水，并且活性相至少包括a）氧化硅，氧化锆和 至少一种金属M氧化物，所述金属选自钨，铈，锰，铌，钽，钒和钛，b）氧化钛，氧化锆和至少一种金属M氧化物，所述金属选自钨， 铈，锰，铌，钽，钒和硅。 该方法可用于制备3-（甲硫基）丙醛MMP，2-羟基-4-甲硫基丁腈HMTBN，甲硫氨酸及其类似物。
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公开(公告)号：US20110288323A1
公开(公告)日：2011-11-24
申请号：US13140109
申请日：2009-12-16
IPC分类号： C07C45/29 , C07C253/00 , C07C51/235 , C07C381/00
摘要： The invention relates to a method for preparing acrolein from glycerol or glycerine, comprising dehydrating glycerol or glycerine in the presence of a catalyst consisting of at least a) a mixed oxide of zirconium and at least one metal, said metal being selected from niobium, tantalum and vanadium, b) a zirconium oxide and at least one metal oxide, the metal being selected from niobium, tantalum and vanadium, c) a silicon oxide and a mixed oxide of zirconium and at least one metal, the metal being selected from tungsten, cerium, manganese, niobium, tantalum, titanium, vanadium and silicon, d) a silicon oxide and a mixed oxide of zirconium and at least one metal, the metal being selected from tungsten, cerium, manganese, niobium, tantalum, vanadium and titanium, e) a titanium oxide and a mixed oxide of zirconium and at least one metal, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, titanium, vanadium and silicon, f) a titanium oxide and a mixed oxide or zirconium and at least one metal, said metal being selected from tungsten, cerium, manganese, niobium, tantalum, titanium, vanadium and silicon. The method can be used for producing -3-(methylthio)propionic (MMP) aldehyde, 2-hydroxy-4-methylthiobutyronitrile (HMTBN), methionine and analogues thereof from acrolein.
摘要翻译： 本发明涉及一种由甘油或甘油制备丙烯醛的方法，包括在由至少一种锆和至少一种金属的混合氧化物组成的催化剂存在下使甘油或甘油脱水，所述金属选自铌，钽 和钒，b）氧化锆和至少一种金属氧化物，所述金属选自铌，钽和钒，c）氧化硅和锆与至少一种金属的混合氧化物，所述金属选自钨， 铈，锰，铌，钽，钛，钒和硅，d）氧化锆和锆与至少一种金属的混合氧化物，所述金属选自钨，铈，锰，铌，钽，钒和钛， e）氧化钛和锆与至少一种金属的混合氧化物，所述金属选自钨，铈，锰，铌，钽，钛，钒和硅，f）氧化钛和混合氧化物或z 所述金属选自钨，铈，锰，铌，钽，钛，钒和硅。 该方法可用于由丙烯醛生产3-（甲硫基）丙酸（MMP）醛，2-羟基-4-甲基硫代丁腈（HMTBN），甲硫氨酸及其类似物。
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