“During that time, we’ve seen a fourfold increase in the sales of sulphur, and a lot of that is ammonium sulphate,” Kaiser says. While much of this increase in sulphur use can be attributed to the ...

In the case of hypersaline soils with a high concentration of soluble sulfates, it is necessary to wash the excess sulfate with alcohol to prevent an overestimation of gypsum. Gypsum precipitation ...