<正>The catalyst for oxo-synthesis of acetic acid from metha-nol—— 'a bimetallic catalyst with positive/negative ions,its method of preparation and applic
<正> The Baoyuan Chemical Company,Ltd.in Taiyuan has per-formed the precommissioning of a 120 kt/a unit forhydrotreating crude coke oven benzene.This unit is th
<正>The construction of a 360-kt/a aniline unit at Ninbo Wanhua Polyurethane Company, Ltd., the share holder of which is Yantai Wanhua Polyurethane Company, was