液化气液膜脱硫醇组合工艺及其应用
Petrochemical Technology & Application(2007)
Abstract
采用液膜脱硫醇组合工艺,对中国石化西安石化分公司的液化气脱硫醇装置进行了技术改造。工业应用表明,精制液化气的含硫总量由改造前的170 mg/m3下降到60 mg/m3以下,产品铜片腐蚀合格率由30%~40%提高到100%,液化气碱渣达到零排放。改造后单元操作成本每年下降约58万元。
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Key words
liquid film,removal of mercaptan,alkaline residue,corrosion resistance of copper piece,liqueified petroleum gas
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