Aiming at the shortage of visbreaker feedstock and fuel oil as well as the surplus of asphalt in Shanghai Oil Refinery, asphalt blended feedstock was tested.

高石化公司炼油厂针对减粘裂化装置原料紧缺造成燃料油供应紧张及沥青出厂困等情况，采取了以减压渣油掺炼部分沥青作为减粘装置原料措施。

It is reseached that the process of catalytic cross-bridging in synthetic ketonic residuum resin and obtained that the utility resin.

酮渣油是化工生工业废料,经催化交联制成树脂,于经济和环保方面都有意义。