catalyst bed

基本解釋

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.
一般有一個通稱為料腿的管子與此底部出口相連，在催化裂化中用此料腿將固體送回到催化劑床層。
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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(fā)明方法為：在反應器每個催化劑床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.
在渣油加氫處理催化劑的穩(wěn)態(tài)失活階段，將含有硫化劑的餾份油送入催化劑床層，以提高循環(huán)氫中的硫含量。