扬子石化股份有限公司炼油厂于 2 0 0 1年 8月经过停车检修后的催化裂化装置在国内首次采用无排放开车获得成功 ,节省了液化气资源 ,增加了经济效益。过去 ,催化裂化装置在开车过程中 ,产生的大量液化气在 3ｈ左右的投料时间内 ,必须直接排放火炬燃烧 ,不但消耗大量能源 ,且对? Yangzi Petrochemical Co., Ltd. refinery in August 2001 after the overhaul of the catalytic cracking unit in the country for the first time using emission-free car was successful, saving the gas resources, increased economic benefits. In the past, when a large amount of liquefied gas generated during the driving of a catalytic cracking unit was drove, the liquefied gas must be directly discharged into the torch for combustion within a period of about 3 hours, not only consuming a large amount of energy,