Abstract
An orthogonal test design was applied to confirm the optimum condition for H2TiO3–lithium adsorbent preparation and Li+ adsorption. Extraction and adsorption mechanism and cycle performance were studied. The verified optimal condition is confirmed as the Li+ concentration, adsorption temperature, molar ratio of Li/Ti, reaction, and pre-calcination temperature are 4.0 g L−1, 60 °C, 2.2, and 650 and 25 °C, respectively. Under the optimal condition, the adsorptive capacity reaches 57.8 mg g−1. Adsorptive capacity of the adsorbent maintains in 5 cycles, typically 25–30 mg g−1.
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He, G., Zhang, L., Zhou, D. et al. The optimal condition for H2TiO3–lithium adsorbent preparation and Li+ adsorption confirmed by an orthogonal test design. Ionics 21, 2219–2226 (2015). https://doi.org/10.1007/s11581-015-1393-3
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DOI: https://doi.org/10.1007/s11581-015-1393-3