摘要
介绍了影响催化裂化装置干气产率的原因，分析总结了国内外炼厂为降低催化干气产率而采取的几种技术措施。
It introduces the reason to effect the yield of dry gas from the Deep Catalytic Cracring (DCC)unit, and analyzes some technological methods adopted by the domestic and overseas refinedes for reducing the yield of the dry gas
