发明申请
US20050038291A1 Preparation of (meth)acrolein and/or (meth)acrylic acid 失效
(甲基)丙烯醛和/或(甲基)丙烯酸的制备

Preparation of (meth)acrolein and/or (meth)acrylic acid
摘要:
A process for preparing (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound over a fresh fixed catalyst bed, in which the process is started up at a reduced hourly space velocity of charging gas mixture on the fixed catalyst bed.
公开/授权文献
信息查询
0/0