Journal
CHEMICAL ENGINEERING JOURNAL
Volume 362, Issue -, Pages 482-486Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2019.01.066
Keywords
Sr-LSX; Li-LSX; Air separation; Pressure swing adsorption
Categories
Funding
- National Natural Science Foundation of China [51604016]
- National Key R&D Program of China [2017YFC0806304]
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Due to the surging demand of lithium for lithium-ion batteries, the price of lithium has seen a steep rise and is projected to maintain the trend for the foreseeable future. With Li-LSX being the sorbent of choice in pressure swing adsorption systems for air separation, it is imperative to develop efficient adsorbents with significantly lower lithium content (mixed-cations zeolites) or completely replace it with abundant and low-cost alkali-earth metal cations such as Sr2+. This article presents promising results for pure Sr-LSX zeolite for O-2 productivity performance via PSA and the possibility of completely replacing Li-LSX with Sr-LSX.
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