Using requirment

1.the catalyst can be affected with damp, can not contact with acid, alkali

2. catalyst in the process of using according to product condensation point, when the condensation point meet the requirment          pls maintain low reaction temperature.

3.intermittent operation, stop feeding using with 0.4-0.6 Mpa steam purging 8-12 hours

4.the ratio of catalyst A:catalyst B=1:2 

Package