By using coal pitches and green petroleum coke as starting materials, the mixture of sulfuric acid and nitric acid as ox以煤沥青和石油生焦为原料，以浓硝酸和浓硫酸混合物为氧化剂，对炭质原料性能与水性中间相的产率之间的关系以及工艺条件对水性中间相产率的影响进行了研究。