Lithium-boron ex­trac­tion dis­cov­ery

The Australian Mining Review - - NEWS -

ASX-listed Global Geo­science has made an ‘ in­dus­try first’ lithium-boron ex­trac­tion dis­cov­ery at its Rhy­o­lite Ridge project in Ne­vada.

Re­cent test work at the project found that lithium and boron could be read­ily ex­tracted by sim­ple heap leach pro­cess­ing with high re­cov­er­ies of be­tween 88 and 92 per cent.

Global Geo­science said heap leach pro­cess­ing pro­vided sig­nif­i­cantly lower op­er­at­ing and cap­i­tal costs com­pared to other forms of acid-leach pro­cess­ing as grind­ing, flota­tion, fil­tra­tion and leach tanks are not re­quired.

“This is a very sig­nif­i­cant break­through as we are not aware of any other lithium de­posit where heap leach pro­cess­ing has been suc­cess­fully demon­strated,” Global Geo­science man­ag­ing di­rec­tor Bernard Rowe said.

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