Based on the preparation of silica in a rotating packed - bed reactor ( rpbr ) , an in - situ modification of silica is carried out by addition of silicane coupling agent during the final stage of carbonization reaction 摘要在超生力反应沉淀法制备白炭黑的基础上，在沉淀反应的后期加入矽烷偶联剂，实现沉淀法白炭黑的原位改性。
