Scholarlink

Industrial by-products are a potential resource for fulfilling the demand for critical metals. Critical metal concentrations in industrial by-products can show significant fluctuation, necessitating the identification of by-products with concentrations suitable for metal recoveryMetal recovery via ICP-based methods. However, ICP-based methods require the conversion of solid by-products into a liquid form through acid digestionDigestion. Acid digestionDigestion requires significant time (~hours) and can often fail to dissolve critical metals residing in refractory minerals. These limitations of acid digestionDigestion can be potentially overcome with alkaline fusionAlkaline fusion. Here, we evaluate the feasibility of employing alkaline fusionAlkaline fusion using LiBO2 and Li2B4O7 as fluxes as an alternative to acid digestionDigestion. By analyzing two standard reference materials, we report alkaline fusionAlkaline fusion with LiBO2 as flux can satisfactorily dissolve critical metals from siliceous and non-siliceous by-products (>80% recoveryRecovery). These findings suggest that alkaline fusionAlkaline fusion with LiBO2 can screen industrial by-products with concentrations suitable for metal recoveryMetal recovery.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Screening Alternative Sources of Critical Metals Via Alkaline Fusion: The Effect of Flux on Digestion Efficiency

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Vikram Kumar,
  • John W. Scott,
  • Linduo Zhao,
  • Margarita Fyodorovna Bargon,
  • Aniruddha Baral,
  • Jeffery R. Roesler,
  • Brajendra K. Sharma,
  • Nishant Garg

摘要

Industrial by-products are a potential resource for fulfilling the demand for critical metals. Critical metal concentrations in industrial by-products can show significant fluctuation, necessitating the identification of by-products with concentrations suitable for metal recoveryMetal recovery via ICP-based methods. However, ICP-based methods require the conversion of solid by-products into a liquid form through acid digestionDigestion. Acid digestionDigestion requires significant time (~hours) and can often fail to dissolve critical metals residing in refractory minerals. These limitations of acid digestionDigestion can be potentially overcome with alkaline fusionAlkaline fusion. Here, we evaluate the feasibility of employing alkaline fusionAlkaline fusion using LiBO2 and Li2B4O7 as fluxes as an alternative to acid digestionDigestion. By analyzing two standard reference materials, we report alkaline fusionAlkaline fusion with LiBO2 as flux can satisfactorily dissolve critical metals from siliceous and non-siliceous by-products (>80% recoveryRecovery). These findings suggest that alkaline fusionAlkaline fusion with LiBO2 can screen industrial by-products with concentrations suitable for metal recoveryMetal recovery.