With the developement of heavy petro leum processing, in order to make more catalytic cracking feed with solvent deasphalt unit, de-oil hard asphalt of lower value product is produced simultaneously.

• 随着重油加工深度的提高,溶剂脱沥青装置为生产更多的催化裂化原料,同时生产了低价值副产物脱油硬沥青,造粒成型技术是加工硬沥青的合理而有效的手段。