Extraction and mechanisms of acid dyes into a room temperature ionic liquid

Changping Li*, Baoping Xin

*此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

4 引用 (Scopus)

摘要

Investigation of Liquid-liquid extraction of acid dyes is carried out by using ionic liquid - 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) as extraction phase. Effects of its process parameters are studied such as extraction phase ratio, pH of the aqueous phase, concentration of salt. Important results are obtained that acid dyes can be extracted with [BMIM][PF6] quantitatively, however, different acid dyes proceed through different mechanisms. The anion-exchange extraction process is predominantly responsible for the extraction of acid yellow RN, while the ion-pair process is for Acid Brilliant Red B. The pH value has a great impact on the removal efficiency of the acid dyes. This pH swing effect may be a good solution for the recovery of acid dyes after extraction.

源语言英语
主期刊名2nd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2008
出版商IEEE Computer Society
3519-3522
页数4
ISBN(印刷版)9781424417483
DOI
出版状态已出版 - 2008
活动2nd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2008 - Shanghai, 中国
期限: 16 5月 200818 5月 2008

出版系列

姓名2nd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2008

会议

会议2nd International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2008
国家/地区中国
Shanghai
时期16/05/0818/05/08

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