Citation:
ZHONG Hui. Property of H2TiO3 Type Ion-exchangers and Extraction of Lithium from Brine of Natural Gas Wells[J]. Chinese Journal of Applied Chemistry,
;2000, 17(3): 307-309.
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The ion-exchangers of H2TiO3 type for Li+ were prepared from TiO2 and Li2CO3(or LiOH), followed by calcinating at 400~800℃. The ion-exchangers showed an unusual high selectivity for Li+ in mixtures of alkali metal and alkaline earth metal ions. The exchange capacity for Li+ was 25.34 mg/g. The selectivity order was Li+>>Mg2+ > Ca2+ > Na+,K+. Being applied in brine of a local natural gas well, an exchange rate and elution rate for Li+ up to 97% and 98%, respectively, were achieved.
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Keywords:
- lithium,
- ion-exchanger,
- natural gas well brine
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