一、前言 Norust PS—31(以下简称PS—31)是从法国进口的抗硫化氢腐蚀工艺缓蚀剂。主要用于辽阳石油化学纤维总厂的蒸汽裂解、催化重整、汽油加氢装置及南京、广州、安庆三十万吨化肥厂轻油造气脱硫装置。为了使缓蚀剂的供应早日立足国内,节约外汇,化工部组织有关单位组成协作组,分别负责 I. Introduction Norust PS-31 (hereinafter referred to as PS-31) is imported from France anti-hydrogen sulfide corrosion process inhibitor. Mainly used in Liaoyang Petrochemical Fiber Plant steam cracking, catalytic reforming, gasoline hydrogenation plant and Nanjing, Guangzhou, Anqing 300,000 tons of fertilizer plant light oil gas desulfurization plant. In order to make the supply of corrosion inhibitor as soon as possible based on the domestic and save foreign exchange, the Ministry of Chemical Industry organizes the relevant units to form a cooperation group, which is respectively responsible for