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31. 发明授权

US4418045A Method for disposal of waste gas and apparatus therefor 失效
标题翻译：废气处理方法及其设备
公开(公告)号：US4418045A
公开(公告)日：1983-11-29
申请号：US302219
申请日：1981-09-14
申请人： Takahisa Sato , Keizo Maruyama , Kunio Sano
发明人： Takahisa Sato , Keizo Maruyama , Kunio Sano
IPC分类号： B01D53/86 , F01N3/28 , B01D53/36
CPC分类号： B01D53/864 , F01N3/2846 , F01N2260/10
摘要： A method for the disposal of waste gas, which method comprises (a) heating the incoming waste gas containing hydrocarbons, carbon monoxide, and other inflammable organic compounds with the gas obtained by removing heat from the outlet gas of the catalytic-oxidation reactor, (b) further heating the resultant hot waste gas with part of the outlet gas of the catalytic-oxidation reactor, (c) subjecting the heated waste gas to complete oxidation in the catalytic-oxidation reactor thereby rendering the waste gas no longer noxious, (d) diverting part of the outlet gas of the catalytic-oxidation reactor to be used for heating the aforementioned heated waste gas, (e) causing at least part of the outlet gas of the reactor which has been used for heating the waste gas to mingle with the remainder of the outlet gas of the reactor, (f) causing the remainder of the outlet gas of the reactor which has been used for heating the waste gas to mingle with the aforementioned heated waste gas, and (g) subjecting to heat recovery the mixture of the remainder of the outlet gas of the reactor with at least part of the outlet gas of the reactor which has been used for heating the waste gas.
摘要翻译：一种处理废气的方法，该方法包括：（a）通过从催化氧化反应器的出口气体中除去热量来加热含有烃，一氧化碳和其它易燃有机化合物的进入废气（ b）用催化氧化反应器的出口气体的一部分进一步加热得到的热废气，（c）使经加热的废气在催化氧化反应器中完全氧化，从而使废气不再有害（d ）转移用于加热上述加热废气的催化氧化反应器的出口气体的一部分，（e）使用于加热废气的反应器的至少部分出口气体与反应器的出口气体的剩余部分，（f）使用于加热废气的反应器的出口气体的剩余部分与上述加热的废气相混合，和（g）将反应器的出口气体的剩余部分的混合物与用于加热废气的反应器的出口气体的至少一部分进行加热回收。

32. 发明授权

US4147885A Process for producing acrylic acid from propylene 失效
标题翻译：由丙烯生产丙烯酸的方法
公开(公告)号：US4147885A
公开(公告)日：1979-04-03
申请号：US775286
申请日：1977-03-07
申请人： Noboru Shimizu , Isao Yanagisawa , Masahiro Takata , Takahisa Sato
发明人： Noboru Shimizu , Isao Yanagisawa , Masahiro Takata , Takahisa Sato
IPC分类号： C07C57/05 , B01J23/00 , C07B61/00 , C07C45/00 , C07C45/35 , C07C47/22 , C07C51/00 , C07C51/25 , C07C57/07 , C07C67/00 , C07C51/32 , C07C57/04
CPC分类号： C07C45/35 , C07C51/252
摘要： A process for producing acrylic acid from propylene through acrolein as an intermediate by catalytic vapor phase oxidation, which comprises passing a starting reactant gas mixture containing propylene, a molecular oxygen-containing gas and steam through a first-stage reactor packed with a molybdenum-containing multi-component catalyst, passing the resulting acrolein-containing gas through a second-stage reactor packed with a multi-component catalyst containing vanadium and molybdenum, introducing the resulting acrylic acid-containing gas to an acrylic acid collector thereby to recover acrylic acid in the form of an aqueous solution, and incorporating a part of the exhaust gas from the collector in the starting reactant gas mixture.
摘要翻译：一种由丙烯通过丙烯醛作为中间体通过催化气相氧化制备丙烯酸的方法，其包括将含有丙烯，含分子氧的气体和蒸汽的起始反应气体混合物通过填充有含钼的第一级反应器将所得含丙烯醛的气体通过填充有含有钒和钼的多组分催化剂的第二级反应器，将所得含丙烯酸的气体引入丙烯酸收集器中，从而回收丙烯酸形式的水溶液，并且在起始反应气体混合物中引入来自收集器的一部分废气。

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