Ferrous sulfate, also known as green-vitriol, is the main byproduct in titanium pigment production with sulfuric acid method. According to different mines, every ton of titanium dioxide would usually brings ferrous sulfate heptahydrate 2.5 ~ 4t. With these byproducts as raw materials, Rech Chemical Co. Ltd makes ferrous sulfate. For manufacturers, comprehensive utilization can make profits. Otherwise, there’re would be a trouble to dispose large amount of ferrous sulfate. [Read More]