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以大港原油为研究对象 ,通过加水萃取试验、实沸点蒸馏和氧化铝柱色谱四组份分析及全溶剂法四组份分析对原油中的钙和镍进行了研究 ,发现原油中的钙大部分是非水溶性钙 ,和镍一样主要富集在渣油中。但四组份分析结果表明 ,钙和镍的存在状态具有很大的差异。
Taking Dagang Crude oil as the research object, calcium and nickel in crude oil were studied through water extraction test, four-component analysis of boiling point distillation and alumina column chromatography and four-component analysis of all-solvent method. It was found that most of the calcium in crude oil Is a non-water-soluble calcium, mainly enriched in residual oil as nickel. However, the results of the four-component analysis show that there is a great difference between the existing states of calcium and nickel.