| 摘要 |
Disclosed is a method for producing (meth)acrolein and/or (meth)acrylic acid by partially oxidizing C3 and/or C4 precursor compounds in the gas phase in the presence of a heterogeneous particulate catalyst in a reactor comprising two or several vertical thermal sheet metal plates (1) which are placed parallel to each other while leaving a gap (2) therebetween, respectively. The heterogeneous particulate catalyst is introduced into the gaps (2), and the gaseous reaction mixture is directed through the gaps (2). The invention is characterized in that the method is monitored, controlled, and/or regulated by selecting one or several temperature values as a monitoring parameter, control parameter, and/or regulating parameter, said temperature values being measured in one or several gaps (2) at one or several measurement points which are distributed along the height of each gap (2).
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