Citation:
Wang Yujie, Bai Guangyue, Sun Wendong, Zhang Hezhe. EXTRACTION OF CHROMIUM(Ⅵ) BY TRIOCTYL AMINE MICROCAPSULE[J]. Chinese Journal of Applied Chemistry,
;1993, 10(6): 53-55.
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Trioetyl amine (TOA) was microencapsulated on ethyl cellulose for Cr(Ⅵ) extraction in acid medium. An column form apparatus has been assembled. The extractive capacity of the microcapsules was 158.0mg·mL-1,4.9 times that of the pure TOA. The microcapsules can be regenerated by NaOH solution and water and used repeatedly.
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Keywords:
- chromium ion,
- extraction,
- trioctyl amine,
- microcapsulation
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