Selective extraction of nitric and acetic acids from etching waste acid using N235 and MIBK mixtures
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- 作者：Fang Chen ; Xiaomei Wang ; Weizao Liu ; Bin Liang ; Hairong Yue ; Chun Li ; lic@scu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Etching waste acid ; Solvent extraction ; Phosphoric acid ; Acetic acid ; Alamine 336 ; MIBK ; Extraction mechanism
- 刊名：Separation and Purification Technology
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：169
- 期：Complete
- 页码：50-58
- 全文大小：1928 K
文摘
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A method of almost complete extraction of HNO3 and HAC from etching waste acid.
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The MIBK + N235 mixtures extraction of HNO3 and HAC were very effective.
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Extraction mechanism of the etching waste acid was established.