-
公开(公告)号：US4049577A
公开(公告)日：1977-09-20
申请号：US640616
申请日：1975-12-15
CPC分类号： B01J23/8876 , C07C45/35 , B01J2523/00
摘要： A method of preparing acrolein and methacrolein by oxidation of propylene and isobutylene over a new improved catalyst providing conversions and yields, each greater than 90% in a single-pass reactor. The improved catalyst contains within certain prescribed proportions the oxides of cobalt, iron, bismuth, molybdenum, potassium, and optionally silicon. The metals have atomic ratios ofCo.sub.3-10 Fe.sub.0.5-3.0 Bi.sub.0.5-3.0 Mo.sub.15 K.sub.0.01-0.5 Si.sub.0.5-3.0and are present in the form of oxides as pellets, spheres, or on a support. With a recycle system, a conversion of the olefin greater than 99% and yield to the aldehyde of greater than 95% are possible.
摘要翻译： 一种通过丙烯和异丁烯氧化制备丙烯醛和异丁烯醛的方法，在一种新型改进的催化剂中提供转化率和产率，每一种都在单程反应器中大于90％。 改进的催化剂在一定规定比例内含有钴，铁，铋，钼，钾和任选的硅的氧化物。 这些金属具有Co3-10Fe0.5-3.0 Bi0.5-3.0 Mo15K0.01-0.5Si0.5-3的原子比。
-
公开(公告)号：US4129600A
公开(公告)日：1978-12-12
申请号：US778907
申请日：1977-03-18
IPC分类号： B01J23/887 , C07C45/35 , C07C47/20 , C07C47/22
CPC分类号： B01J23/8876 , C07C45/35 , B01J2523/00
摘要： A method of preparing acrolein and methacrolein by oxidation of propylene and isobutylene over a new improved catalyst providing conversions and yields, each greater than 90% in a single-pass reactor. The improved catalyst contains within certain prescribed proportions the oxides of cobalt, iron, bismuth, molybdenum, potassium, and optionally silicon. The metals have atomic ratios ofCo.sub.3-10 Fe.sub.0.5-3.0 Bi.sub.0.5-3.0 Mo.sub.15 K.sub.0.01-0.5 Si.sub.0.5-3.0and are present in the form of oxides as pellets, spheres, or on a support. With a recycle system, a conversion of the olefin greater than 99% and yield to the aldehyde of greater than 95% are possible.
摘要翻译： 一种通过丙烯和异丁烯氧化制备丙烯醛和异丁烯醛的方法，在一种新型改进的催化剂中提供转化率和产率，每一种都在单程反应器中大于90％。 改进的催化剂在一定规定比例内含有钴，铁，铋，钼，钾和任选的硅的氧化物。 这些金属的原子比为Co3-10Fe0.5-3.0Bi0.5-3.0Mo15K0.01-0.5Si0.5-3。
-
公开(公告)号：US4208306A
公开(公告)日：1980-06-17
申请号：US955045
申请日：1978-10-26
IPC分类号： B01J23/88 , B01J23/887 , C07C51/25 , B01J21/06 , B01J21/08
CPC分类号： B01J23/8878 , C07C51/252 , B01J2523/00
摘要： A method for preparing acrylic acid by oxidation of acrolein over a new and improved catalyst providing conversions of acrolein of greater than 99% with yields of acrylic acid in excess of 95%. The catalyst consists essentially of the oxides of molybdenum, vanadium, chromium, copper and titanium and optionally silicon on an inert carrier. Catalysts useful in the process contain the elements previously mentioned in the atomic ratios ofMo.sub.15 V.sub.5-10 Cu.sub.2-5 Cr.sub.0.2-2 Ti.sub.1-3.
摘要翻译： 通过在新的和改进的催化剂上氧化丙烯醛制备丙烯酸的方法，其提供丙烯醛的转化率大于99％，丙烯酸的产率超过95％。 催化剂主要由钼，钒，铬，铜和钛的氧化物和任选的惰性载体上的硅组成。 在该方法中有用的催化剂包含以前在Mo15V5-10Cu2-5Cr0.2-2Ti1-3的原子比中提及的元素。
-
公开(公告)号：US4350830A
公开(公告)日：1982-09-21
申请号：US85568
申请日：1979-10-17
IPC分类号： B01J23/88 , B01J23/887 , C07C51/25 , C07C57/055
CPC分类号： B01J23/8878 , C07C51/252 , B01J2523/00
摘要： A method for preparing acrylic acid by oxidation of acrolein over a new and improved catalyst providing conversions of acrolein of greater than 99% with yields of acrylic acid in excess of 95%. The catalyst consists essentially of the oxides of molybdenum, vanadium, chromium, copper and titanium and optionally silicon on an inert carrier. Catalysts useful in the process contain the elements previously mentioned in the atomic ratios ofMo.sub.15 V.sub.5-10 Cu.sub.2-5 Cr.sub.0.2-2 Ti.sub.1-3
摘要翻译： 通过在新的和改进的催化剂上氧化丙烯醛制备丙烯酸的方法，其提供丙烯醛的转化率大于99％，丙烯酸的产率超过95％。 催化剂主要由钼，钒，铬，铜和钛的氧化物和任选的惰性载体上的硅组成。 在该方法中有用的催化剂包含先前提到的元素Mo15V5-10Cu2-5Cr0.2-2Ti的原子比
-
公开(公告)号：US4035262A
公开(公告)日：1977-07-12
申请号：US678274
申请日：1976-04-19
CPC分类号： B01J23/8878 , C07C51/252 , B01J2523/00
摘要： A method of preparing acrylic acid by oxidation of acrolein over a new and improved catalyst providing conversions of acrolein of greater than 99% with yields of acrylic acid in excess of 95%. The catalyst consists essentially of the oxides of molybdenum, vanadium, chromium and copper and at least one of tantalum and niobium and optionally silicon on an inert carrier. Catalysts useful in the process contain the elements previously mentioned in the atomic ratios ofMo.sub.15 V.sub.5-10 Cu.sub.2-5 Cr.sub.0.2-2 M.sub.0.1-3where M is tantalum, niobium or mixtures thereof.
摘要翻译： 通过在新的和改进的催化剂上氧化丙烯醛制备丙烯酸的方法，提供大于99％的丙烯醛转化率，丙烯酸的产率超过95％。 催化剂基本上由钼，钒，铬和铜的氧化物以及钽和铌中的至少一种以及任选地在惰性载体上的硅组成。 在该方法中有用的催化剂包含以前在Mo15V5-10Cu2-5Cr0.2-2M0的原子比中提及的元素。
-
-
-
-
搜索结果
5 条记录 (耗时 0.162 秒)
