Chemical fundamentals and effectiveness of typical industrial hydrogen donors such as FCC decant oil and its sub-fractions during mild thermal cracking of a vacuum residue were revealed.

• 以FCC油浆及其窄馏分作为工业供氢剂,首先测定其受热供氢能力,然后在此基础上考察了掺炼工业供氢剂对减压渣油缓和热转化生产燃料油和部分轻质油的改进效果及其化学原因。