You'd be surprised how many wastewater setups are designed around what's cheap to procure rather than what actually fits the effluent chemistry. Procurement picks a mineral, operations figures out how to use it

Most people outside the steel industry think making steel is mostly about heat. Crank up the furnace hot enough and iron becomes steel. That is roughly 10% of the story.The other 90% is chemistry specifically, getting unwanted elements...

Most people outside the paint industry have never heard of dolomite powder. Inside it, almost nobody skips it. It shows up in emulsion paints, wall primers, textured finishes doing the kind of unglamorous work that keeps a formulation honest without ever getting mentioned on the label.