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公开(公告)号:US09522866B2
公开(公告)日:2016-12-20
申请号:US14959576
申请日:2015-12-04
发明人: Xiaoqi Zhao , Ge Luo , Yong Chen , Chunhua Qin , Tonghao Wu , Yan Zhuang , Jianxue Ma , Xiaodong Chu , Jinhua Ji
IPC分类号: C07C45/37 , B01J23/888
CPC分类号: C07C45/37 , B01J23/002 , B01J23/8885 , B01J35/023 , B01J35/026 , B01J37/0009 , B01J37/038 , B01J2523/00 , B01J2523/15 , B01J2523/54 , B01J2523/68 , B01J2523/69 , B01J2523/842 , B01J2523/845 , B01J2523/847 , B01J2523/41 , B01J2523/48 , C07C47/22
摘要: A method for preparing methacrolein from t-butanol, specifically a method for preparing methacrolein by using t-butanol as a starting material, is disclosed, comprising passing the starting material through a fixed bed reactor filled with catalyst, wherein the fixed bed reactor is divided to n reaction zones from the inlet of the starting material to the outlet of the starting material and each zone is filled with catalysts of different catalytic activities; wherein the catalytic activity of the catalyst in the first reaction zone is higher than the catalytic activity of the catalyst in the second reaction zone, and the catalytic activity of the catalyst is gradually increased from the second reaction zone to the last reaction zone; and n is an integer between 3 to 10.
摘要翻译: 公开了一种由叔丁醇制备甲基丙烯醛的方法,特别是通过使用叔丁醇作为原料制备甲基丙烯醛的方法,包括使原料通过填充有催化剂的固定床反应器,其中固定床反应器被分开 从原料入口到原料出口的n个反应区,并且每个区填充有不同催化活性的催化剂; 其中所述催化剂在所述第一反应区中的催化活性高于所述第二反应区中所述催化剂的催化活性,并且所述催化剂的催化活性从所述第二反应区逐渐增加到所述最后反应区; n为3〜10的整数。
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公开(公告)号:US20160184807A1
公开(公告)日:2016-06-30
申请号:US14959469
申请日:2015-12-04
发明人: Xin Wen , Ge Luo , Xinlei Jin , Chunhua Qin , Tonghao Wu , Yan Zhuang , Jianxue Ma , Xiaodong Chu , Jinhua Ji
IPC分类号: B01J27/199 , B01J37/02 , B01J37/08
CPC分类号: B01J27/199 , B01J35/023 , B01J37/0018 , B01J37/0045 , C07C51/252 , C07C57/04
摘要: Disclosed is a method for preparing a heteropolyacid salt catalyst, comprising dissolving the lead compounds for each element to prepare a suspension and dispersion slurry of catalyst precursor, which comprises all of the catalyst components; drying the catalyst precursor, mixing them with an organic compound, molding, and calcining to produce the catalyst.
摘要翻译: 公开了一种制备杂多酸盐催化剂的方法,包括将每种元素的铅化合物溶解以制备包含所有催化剂组分的催化剂前体的悬浮和分散浆料; 干燥催化剂前体,将其与有机化合物混合,模塑和煅烧以制备催化剂。
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公开(公告)号:US11325109B2
公开(公告)日:2022-05-10
申请号:US14959469
申请日:2015-12-04
发明人: Xin Wen , Ge Luo , Xinlei Jin , Chunhua Qin , Tonghao Wu , Yan Zhuang , Jianxue Ma , Xiaodong Chu , Jinhua Ji
IPC分类号: B01J37/02 , B01J27/199 , C07C51/25 , B01J37/00 , B01J35/02
摘要: Disclosed is a method for preparing a heteropolyacid salt catalyst, comprising dissolving the lead compounds for each element to prepare a suspension and dispersion slurry of catalyst precursor, which comprises all of the catalyst components; drying the catalyst precursor, mixing them with an organic compound, molding, and calcining to produce the catalyst.
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公开(公告)号:US20160185698A1
公开(公告)日:2016-06-30
申请号:US14959576
申请日:2015-12-04
发明人: Xiaoqi Zhao , Ge Luo , Yong Chen , Chunhua Qin , Tonghao Wu , Yan Zhuang , Jianxue Ma , Xiaodong Chu , Jinhua Ji
IPC分类号: C07C45/37 , B01J23/888
CPC分类号: C07C45/37 , B01J23/002 , B01J23/8885 , B01J35/023 , B01J35/026 , B01J37/0009 , B01J37/038 , B01J2523/00 , B01J2523/15 , B01J2523/54 , B01J2523/68 , B01J2523/69 , B01J2523/842 , B01J2523/845 , B01J2523/847 , B01J2523/41 , B01J2523/48 , C07C47/22
摘要: A method for preparing methacrolein from t-butanol, specifically a method for preparing methacrolein by using t-butanol as a starting material, is disclosed, comprising passing the starting material through a fixed bed reactor filled with catalyst, wherein the fixed bed reactor is divided to n reaction zones from the inlet of the starting material to the outlet of the starting material and each zone is filled with catalysts of different catalytic activities; wherein the catalytic activity of the catalyst in the first reaction zone is higher than the catalytic activity of the catalyst in the second reaction zone, and the catalytic activity of the catalyst is gradually increased from the second reaction zone to the last reaction zone; and n is an integer between 3 to 10.
摘要翻译: 公开了一种由叔丁醇制备甲基丙烯醛的方法,特别是以叔丁醇为起始原料制备甲基丙烯醛的方法,包括使原料通过填充有催化剂的固定床反应器,其中固定床反应器被分开 从原料入口到原料出口的n个反应区,并且每个区填充有不同催化活性的催化剂; 其中所述催化剂在所述第一反应区中的催化活性高于所述第二反应区中所述催化剂的催化活性,并且所述催化剂的催化活性从所述第二反应区逐渐增加到所述最后反应区; n为3〜10的整数。
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