... caustic embrittlement 苛性脆化，碱性致脆 caustic extraction 碱抽提 caustic hydride process 苛化氢化法 ...
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Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
采用碱液抽提的方式，对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
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