The article points out that the refining? chemical integration advantages should be exploited to the full via recovering the ethylene and light olefins in the refinery FCC and coking dry gas to increase ethylene output and reduce ethylene cost.

• 提出了应发挥炼油化工一体化优势,回收炼厂催化和焦化干气中的乙烯和轻烃,增加乙烯产量,降低乙烯成本。