مطالعه و بررسی مؤلفه‌های فرایند استخراج حلالی کبالت از محلول کلریدی با استفاده از مخلوط عامل‌های کمپلکس‌‌ساز Cyanex272، TBP و TOPO

نوع مقاله: مقاله پژوهشی

نویسندگان

هیات علمی در پژوهشکده چرخه سوخت هسته ای، سازمان انرژی اتمی

چکیده

در این تحقیق، فرایند استخراج کبالت از محلول کلریدی با استفاده از مخلوط استخراج‌کننده‌های TBp ، TOPO و Cyanex272 بررسی شد. مؤلفه‌های فرایندی مانند
اثر
pH محلول آبی، غلظت استخراجکنندهها، نسبت فاز آبی به آلی و بازیابی با غلظتهای مختلف اسید سولفوریک در استخراج کبالت بررسی شدند. نتایج آزمایش‌ها نشان داد که مخلوط حاصل از استخراج‌کننده‌های TBp ، TOPO و Cyanex272 با غلظت بهترتیب برابر با 2/0، 1/0 و 3/0 مول بر لیتر برای استخراج بهینۀ کبالت با درصد استخراج بالای 39/91% مناسب است. اسید سولفوریک با غلظت یک مول بر لیتر بهعنوان یک واکنشگر مناسب در بازیابی محلول بهکار گرفته شد که درصد بازیابی آن بالای 2/99% بهدست آمد. در این مطالعه، یک سامانۀ هم‌افزایی مخلوط گزارش شد که در جداسازی یون‌های فلزی بسیار مؤثر است و می‌تواند در بازیابی باتری‌های لیتیومی با روش هیدرومتالورژی بهکار گرفته شود.

کلیدواژه‌ها


 
 
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