AIChE Journal Highlight: Reducing Lithium in Zeolites for Air Separation


The widespread adoption of lithium ion batteries for energy storage has driven a steep increase in the demand for lithium. As a result, lithium prices have surged, while lithium reserves have declined. Now, there is an urgent need to develop zeolites for air separation that use little or no lithium, but instead incorporate a low-cost and abundant alkali-earth metal cation, such as calcium, says Ralph Yang of the Univ. of Michigan in the February AIChE Journal article, “Mixed-Cation LiCa-LSX Zeolite with Minimum Lithium for Air Separation.” The article was coauthored by Franklin Epiepang and Xiong Yang (Univ. of Michigan), Jianbo Li (Luoyang Jianlong Micro-Nano New Materials Co.), and Yingshu Liu (Univ. of Science and Technology Beijing)...

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