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(gè)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。
www.infopetro.com.cn
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(yīng)器每個(gè)催化劑床層的底部裝入對(duì)反應(yīng)沒有影響的惰性填料。
ip.com
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。