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公开(公告)号:US5252752A
公开(公告)日:1993-10-12
申请号:US962982
申请日:1992-10-16
申请人: Toshinao Aono , Yukio Asami , Noboru Hirooka , Yusaku Arima , Susumu Fujii
发明人: Toshinao Aono , Yukio Asami , Noboru Hirooka , Yusaku Arima , Susumu Fujii
IPC分类号: B01J23/22 , B01J27/055 , C07C51/265 , C07D307/89 , B01J22/02 , C07D307/60 , C07D493/02
CPC分类号: B01J23/22 , B01J27/055 , C07C51/265
摘要: A process for the production of carboxylic anhydrides from aromatic hydrocarbons in gas phase oxidation by using a high activity and high selectivity fluid catalyst, comprising 50 to 95% by weight calculated as TiO.sub.2 +SiO.sub.2 +B.sub.2 O.sub.3 of component (A) which comprises titanium oxide, silicon dioxide and boron oxide and5 to 50% by weight calculated as V.sub.2 O.sub.5 +M.sub.2 O (M represents an alkali metal) +SO.sub.3 of component (B) comprising vanadium oxide, an alkali metal oxide and sulfuric anhydride, wherein weight ratios of B.sub.2 O.sub.3 to TiO.sub.2 and SiO.sub.2 to TiO.sub.2 in said component (A) are in the range of 0.02 to 0.5 and 0.25 to 1.0, respectively, is provided.
摘要翻译: 一种通过使用高活性和高选择性流体催化剂在气相氧化中由芳族烃生产羧酸酐的方法,其包含以包含二氧化钛的组分(A)的TiO 2 + SiO 2 + B 2 O 3计算的50至95重量% 以氧化钒,碱金属氧化物和硫酸酐为原料的组分(B)的V 2 O 5 + M 2 O(M表示碱金属)+ SO 3计算为5〜50重量%,其中B 2 O 3与TiO 2的重量比 和所述组分(A)中的SiO 2与TiO 2分别在0.02至0.5和0.25至1.0的范围内。
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2.
公开(公告)号:US5185309A
公开(公告)日:1993-02-09
申请号:US673962
申请日:1991-03-22
申请人: Toshinao Aono , Yukio Asami , Noboru Hirooka , Yusaku Arima , Susumu Fujii
发明人: Toshinao Aono , Yukio Asami , Noboru Hirooka , Yusaku Arima , Susumu Fujii
IPC分类号: C07D307/89 , B01J23/22 , B01J27/053 , B01J27/055 , C07B61/00 , C07C51/265
CPC分类号: C07C51/265 , B01J23/22 , B01J27/055
摘要: A high activity and high selectivity fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons, comprising 50 to 95% by weight (calculated by TiO.sub.2 +SiO.sub.2 +B.sub.2 O.sub.3) of component (A) which comprises titanium oxide, silicon dioxide and boron oxide and 5 to 50% by weight [calculated by V.sub.2 O.sub.5 +M.sub.2 O (M represents an alkali metal)+SO.sub.3 ] of component (B) comprising vanadium oxide, an alkali metal oxide and sulfuric anhydride, wherein weight ratios of B.sub.2 O.sub.3 to TiO.sub.2 and SiO.sub.2 to TiO.sub.2 in said component (A) are in the range of from 0.02 to 0.5 and from 0.25 to 1.0, respectively, is provided.
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