Conventional Catalytic Dewaxing (CDW) processes lower base oil (or gas oil) pour point by using a zeolite containing catalyst to selectively cracle wax mainly to naphtha and LPG.

• 吾人亦可利用传统的触媒脱腊程序，使用择形性触媒，把腊裂解为轻油和LPG，以降低基础油(或制气油)的流动点。