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从洗油中分离和精制苊的新工艺研究

Yao Runsheng,Xue Yongqiang,Wang Zhizhong,Cui Zixiang

Coal Conversion（2010）

Cited 8|Views34
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Abstract
采用精馏和重结晶相结合的方法,研究了从洗油中分离和精制苊的新工艺.结果表明,单纯使用多次精馏的方法很难制得高纯度的苊,而通过精馏与重结晶相结合的方法可制得高纯度的苊;提出了从洗油中提取苊的精馏-重结晶工艺,该工艺具有能耗低、纯度高、收率高、工艺简单、溶剂可多次循环套用、无环境污染和成本低等优点.
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Key words
acenaphthene,gas absorber oil,recrystallization,coal tar,rectification
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