The U tubular reactor employed in this reaction practically achieves isothermal operation inside the bed, and presents good comparable results in screening new catalyst.
所采用的U型管式反应器基本实现床层内等温操作，用于筛选新型颗粒催化剂有较强的可比性。
2
An industrial catalyst from laboratory to commercial production, usually goes through three consecutive stages, namely, laboratory screening, pilot plant test and full-scall plant test.