RE: Market news28 Apr 2023 16:53
>>Rainbow is much more difficult, since it has to work with waste from the production of phosphoric acid, and not with minerals. New solutions are needed, time.
NF clue have you? RBW's process has 5 steps and costs $33/kg,
Pensana etc have a 200 step process that costs $44/kg. At least.
Mining cost $2.8/ton plus strip ratio.
Stack processing costs <$1/ton and no waste. plus its above ground.