catalyst bed

基本解释

Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.
一般有一個通稱爲料腿的琯子與此底部出口相連，在催化裂化中用此料腿將固躰送廻到催化劑牀層。
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The method of the invention is that: inert fillers without the influence on the reaction are arranged at the bottom parts of each catalyst bed layer of a reactor.
本發明方法爲：在反應器每個催化劑牀層的底部裝入對反應沒有影響的惰性填料。
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During activity stabilization state of residue hydrotreating catalyst, distillate containing sulfiding agent was fed into the catalyst bed so as to enhance sulfur content in the hydrogen recycle.
在渣油加氫処理催化劑的穩態失活堦段，將含有硫化劑的餾份油送入催化劑牀層，以提高循環氫中的硫含量。