Petroleum sulfonate was obtained through sulfonation reaction using extract oil from lube oil solvent refining unit as raw material and fuming sulfuric acid as sulfonation agent.

• 摘要 以减五线馏分油溶剂精制后的抽出油为原料，采用发烟硫酸为磺化剂进行磺化反应制取石油磺酸，进而制取石油磺酸钠。