一、前言:随着国民经济的持续快速发展,车用燃料的消耗量逐年增加,汽车排放尾气造成的大气环境污染问题越来越严重。因此,从源头上解决尾气污染问题生产清洁燃料已成为当务之急。另外,由于原油资源日趋重质化、劣质化,重质油的加工深度不断提高,催化裂化柴油的 I. Preface: With the sustained and rapid development of the national economy, the consumption of vehicle fuel has been increasing year by year. The pollution of the atmospheric environment caused by vehicle exhaust emissions is becoming more and more serious. Therefore, from the source to solve the problem of exhaust pollution to produce clean fuel has become a top priority. In addition, due to the increasingly heavy crude oil resources, poor quality, processing of heavy oil continues to increase the depth of FCC diesel