JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Separations
Recovery of Borax from Stripping Solution by Adding Alcohol
Michiaki MatsumotoTomotsugu MatsuiKazuo Kondo
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1998 Volume 31 Issue 5 Pages 853-855

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Abstract

Using a salting-out technique with alcohol, precipitation of borax from a stripping solution containing boric acid after the solvent extraction process is investigated. From the low solubility of borax and small temperature effect on the solubility, ethanol was selected as a salting-out agent. The X-ray diffraction results show that the precipitates were borax decahydrate. 74% of boric acid present in the organic phase is recovered as precipitates when the volume ratio of the organic phase to the stripping phase is 2.

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© 1998 The Society of Chemical Engineers, Japan
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