PROCESS FOR SELECTIVE ADSORPTION AND RECOVERY OF LITHIUM FROM NATURAL AND SYNTHETIC BRINES

Abstract: this invention relates generally to a process for selective adsorption and recovery of lithium from natural and synthetic brines, and more particular to a process for recovering lithium from a natural or synthetic brine solution by passing the brine solution through a lithium selective adsorbent in a continuous countercurrent adsorption and desorption circuit.

Inventor(s): Charles R. Marston, Michael J. Garska

CPC Classification: C01D15/08 (COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM (metal hydrides {monoborane, diborane or addition complexes thereof} ; salts of oxyacids of halogens ; peroxides, salts of peroxyacids ; sulfides ; thiosulfates, dithionites, polythionates ; compounds containing selenium or tellurium ; binary compounds of nitrogen with metals ; azides ; {compounds other than ammonia and cyanogen, containing nitrogen and other non-metals }; metal amides ; nitrites ; phosphides ; {compounds of noble gases }; phosphides ; salts of oxyacids of phosphorus ; carbides ; compounds containing silicon ; compounds containing boron ; cyanides ; salts of cyanic acid ; salts of cyanamide ; thiocyanates ))

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