... 7H2O - 90%, titanium dioxide content of p content of TiO2 than 0.75%, water content ... , outsourcing fiber woven bags of 50kgs net each / 2: single fiber woven bags of 50kgs net each. ... 2, in/sewage treatment purposes in sewage disposal of ferrous sulfate ... etc. 2, as precipitation agent: and the formation of sulfide, phosphate deposits, thus removing sulfide, phosphate, ...