Process to separate useful compounds, such as quinoline, indole, derived from coal using solvent extraction or liquid membrane method

使用溶剂萃取或液膜法从煤中分离有用化合物(例如喹啉、吲哚)的方法

基本信息

  • 批准号:
    13650826
  • 负责人:
  • 金额:
    $ 0.96万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2001
  • 资助国家:
    日本
  • 起止时间:
    2001 至 2004
  • 项目状态:
    已结题

项目摘要

Solvent extraction and liquid membrane methods were applied to the raw separation of adsorption oil and tar light oil as coal tar distillates.In the study of the solvent extraction method, experimental measurement of liquid-liquid equilibrium relationship between feed mixture (adsorption oil/tar light oil) and solvent (aqueous methanol solution), separation between extractant and solvent components in the extract after extraction, calculation of extraction with countercurrent multistage contact based on the obtained experimental results, and so on, were carried out. The results showed that nitrogen heterocyclic compounds could be extracted preferentially to the other compounds contained in the feed mixture. Extractant rich in nitrogen compounds could be separated by both extraction with secondary solvent and distillation from the extract after extraction to recover the solvent components, these feeds could be separated into the products wife practical operation conditions, and so forth.In the study of the liquid membrane method, experimental measurement of liquid-liquid equilibria between feed and membrane liquid (water) and between solvent (several kinds of hydrocarbon) and membrane liquid, batch permeation through supported and emulsion liquid membrane were conducted. Since the distribution coefficients of nitrogen compounds in feeds were strongly dependent on the kind of hydrocarbon solvent, it was predicted that the separation performance for nitrogen compounds could be improved by the use of the solvent in which the distribution coefficient of nitrogen compounds were low. This prediction was confirmed by the permeation experiments with supported and emulsion liquid membrane.
采用溶剂萃取法和液膜法对煤焦油馏分中的吸附油和焦油轻油进行了粗分离,在溶剂萃取法的研究中,实验测定了原料混合物的液液平衡关系(吸附油/焦油轻油)和溶剂(甲醇水溶液),萃取后萃取物中萃取剂和溶剂组分之间的分离,根据实验结果进行了逆流多级接触萃取的计算等。结果表明,含氮杂环化合物可以优先萃取的进料混合物中所包含的其他化合物。富含含氮化合物的萃取剂可以通过第二溶剂萃取和萃取后的萃取液蒸馏回收溶剂组分来分离,这些进料可以在实际操作条件下分离成产品等。进料和膜液体(水)之间以及溶剂之间的液-液平衡的实验测量(几种烃类)和膜液,分别进行了支撑液膜和乳状液膜的间歇渗透实验。由于含氮化合物在进料中的分配系数强烈地依赖于烃溶剂的种类,因此预测使用含氮化合物在其中的分配系数低的溶剂可以改善含氮化合物的分离性能。支撑液膜和乳状液膜的渗透实验证实了这一预测。

项目成果

期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Separation of Coal Tar Fractions by Solvent Extraction -Extractants/Solvent Separation by Secondary Extraction-
通过溶剂萃取分离煤焦油馏分 - 通过二次萃取进行萃取剂/溶剂分离 -
化学工学シンポジウムシリーズ76高機能界面・分子集合体の基礎構築と応用分野の新展開
化学工程研讨会系列76 高功能界面和分子组装体的基本构建及应用领域的新进展
  • DOI:
  • 发表时间:
    2001
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Salim;C.;J.Saito;R.Egashira;機能性界面・分子集合体(特別研究会編)(化学工学会)
  • 通讯作者:
    機能性界面・分子集合体(特別研究会編)(化学工学会)
Separation of Coal Tar Fractions by Solvent Extraction-Extractants/Solvent Separation by Secondary Extraction-
通过溶剂萃取分离煤焦油馏分-萃取剂/二次萃取溶剂分离-
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EGASHIRA Ryuichi其他文献

EGASHIRA Ryuichi的其他文献

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