The amount of C5/C9+ distillates in pygas, the amount of unsaturated hydrocarbon, mono - olefin and diolefin in C5 distillate, and the typical composition of C9+ are presented.

• 介绍裂解汽油中C5／C9+的数量;C5馏分中不饱和烃的含量及单双烯烃的量;C9馏分的典型组成。