I said it yesterday and I am saying it againg now: you are making a leap of logic with your statement. The absence of proof (that is, flow sheet) does not mean proof of absence (of a metallurgy).

 

"Using the solvent extraction method, has anyone in China or, for that matter, anywhere else in the world, figured out how to separate the SKK deposit specifically?" The answer is, as of today - but hopefully not for long - "No".