Report: Potash Ridge Taking advantage of a high SOP and ...
Jun 20, 2016· What''s really interesting here is the fact Potash Ridge will be able to sell the sulphuric acid as well, which reduces the direct operating cost to US112/t, and the total cash production cost would come in at 218/t (with an average AISC of 230235/t). As far as we know, this makes Blawn the lowest cost SOP mine in the world.