A combination process of residual oil hydrodesulfurization and heavy oil catalytic cracking for processing imported sour crude oils was adopted in the Refinery of Maoming Petrochemical Company.

• 中国石化股份有限公司茂名分公司炼油厂为加工进口含硫原油采用了渣油加氢脱硫-重油催化裂化组合工艺。