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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۱، شماره ۱، صفحات ۷۹-۸۷
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عنوان انگلیسی Continuous Purification of Wet-Process Phosphoric Acid via Microchannel
چکیده انگلیسی مقاله Solvent extraction is an economically efficient method widely used in the purification of wet phosphoric acid. In this study, a microchannel was applied to promote the mixing and purification of phosphoric acid during continuous production. For this aim, solvent extraction was conducted to purify phosphoric acid via methyl isobutyl ketone/tri-butyl phosphate mixtures. Additionally, the Box-Behnken design method was used to survey the solvent extraction process. The effect of various operational parameters such as solvent concentration (45–65 %wt.), temperature (18-28˚C), and organic/aqueous phase ratio (2:1–6:1) at a constant flow rate of 70 mL/L was examined. Experimental results indicated that the microchannel at the residence time of 6.85 min could promote the extraction percentage of and sulfate removal of more than 98% and 60%, respectively, compared to the batch extractor.
کلیدواژه‌های انگلیسی مقاله Solvent extraction,Microchannel,Purification,Wet-process phosphoric acid
نویسندگان مقاله Saba Mansouri |
Department of Chemical Engineering, Faculty of Energy, Kermanshah University of Technology, Kermanshah, I.R. IRAN

Kambiz Varmira |
Research Center of Oils and Fats, Kermanshah University of Medical Science, Kermanshah, I.R. IRAN

Babak Aghel |
Department of Chemical Engineering, Faculty of Energy, Kermanshah University of Technology, Kermanshah, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_47073_6d03d8b3eb16761f58adf16b9674cfbc.pdf
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