发明授权
- 专利标题： Catalytic steam dealkylation
- 专利标题（中）： 催化蒸汽处理
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申请号： US20264071申请日： 1971-11-26
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公开(公告)号： US3812196A公开(公告)日： 1974-05-21
- 发明人: UCHIYAMA M , KANEKO N
- 申请人： MITSUBISHI PETROCHEMICAL CO
- 专利权人： Mitsubishi Petrochemical Co
- 当前专利权人： Mitsubishi Petrochemical Co
- 优先权： JP10570970 1970-11-30; JP10571070 1970-11-30; JP10571170 1970-11-30
- 主分类号： B01J23/40
- IPC分类号： B01J23/40 ; B01J23/755 ; B01J23/76 ; B01J23/89 ; C07C4/20 ; C07C3/58
摘要：
AN ALKYLAROMATIC HYDROCARBON IS DEALKYLATED BY CONTACTING IT, IN THE PRESENCE OF STEAM AND AT A TEMPERATURE RANGING FROM 350 TO 500* C., WITH A CATALYST COMPRISING NICKEL, AND AT LEAST ONE METAL SELECTED FROM PALLADIUM, IRON, IRIDIUM, RHODIUM, THALLIUM, CERIUM, SELENIUM, ANTIMONY, CADMIUM, TUNGSTEN, BARIUM, SODIUM, POTASSIUM, AND RHENIUM, SUPPORTED ON A CARRIER, PREFERABLY ALUMINA.