Most ferric chloride is produced as a byproduct of steel pickling liquor.
DuPont's production is byproduct ferric chloride from the manufacture of titanium dioxide. PVS produces ferric chloride by reacting chlorine with scrap steel, and Phibro-Tech recycles ferric chloride etchants. Eaglebrook markets the ferric chloride produced by DuPont at Edgemoor, Del., and has another 60,000 tons of capacity at Varennes, Quebec. Kemiron acquired Kemwater North America's ferric chloride business in March 1999. The Kemiron Rowley, Utah, plant is a 50-50 joint venture between Kemiron and Magnesium Corporation of America.