Purification of fluorene by melt crystallization

JIA Chunyan; YIN Qiuxiang; ZHANG Meijing; WANG Jingkang

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Purification of fluorene by melt crystallization

更新时间：2025-12-10

- Purification of fluorene by melt crystallization
- CIESC Journal Issue 9, Pages: 2266-2269(2007)
- 作者机构：
  
  天津大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 September 2007，
  
  Published：05 September 2007
- 稿件说明：
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JIA Chunyan, YIN Qiuxiang, ZHANG Meijing, et al. Purification of fluorene by melt crystallization[J]. CIESC Journal, 2007, (9): 2266-2269.
DOI：

JIA Chunyan, YIN Qiuxiang, ZHANG Meijing, et al. Purification of fluorene by melt crystallization[J]. CIESC Journal, 2007, (9): 2266-2269. DOI：

摘要

以工业芴为原料，实验研究了利用熔融结晶法制备精芴的工艺过程，考察了结晶降温速率、结晶终温、发汗升温速率及发汗终温对产品纯度及收率的影响，得到了利用熔融结晶方法分离提纯芴的优化工艺条件，产品纯度可达97.4%。同时根据实验结果，对芴与2-甲基氧芴两元物系的固液平衡相图进行了推测分析。

Abstract

The refining process of fluorene by melt crystallization was experimentally studied.The effects of the cooling rate

final temperature in the crystallization process

heating rate and final temperature in the sweating process on the purity and yield of the product were investigated.The optimum conditions of the refining process of fluorene by melt crystallization were determined and a product with purity of 97.4% was obtained.The binary solid-liquid equilibrium phase diagram for fluorene and 2-methyl-diphenylene oxide is analyzed according to the experimental results.

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