Ferrous Sulfate Monohydrate Industry Grade
Product Name: ferrous sulfate monohydrate industry gradeSynonyms: ferrous sulfate mono industry grade, ferrous sulphate monohydrate industry grade, ferrous sulphate mono industry grade; iron sulfate mono industry grade, iron sulfate monohydrate industry grade, iron sulphate mono industry grade, iron sulphate monohydrate industry grade.1. Product IntroductionChemical formula: FeSO4·H2OHS NO.: 28332910CAS No.: 17375-41-6EINECS No.: 231-753-5Standards: HG/T2935-2006Appearance: Yellowish powder/granular2. Product Parameter (Specification)Ferrous sulphate mono powderQuality:FE2+29.0-30.5%PB10 PPM MaxAS10 PPM MaxCD5 PPM Max3. Product Feature And ApplicationFerrous Sulfate mono industrial grade majority used to remove chromium in cement. In the process of cement production, 900 ppm of ferrous sulphate can make hexavalent chromium (Cr6+) decrease to 2 ppm.Chemical Deposition:Formula: H2Cr2O7+6FeSO4+6H2SO4=Cr2(SO4)3+3Fe2(SO4)3+7H2OProcesses: The Harm Of Hexavalent Chromium (Cr6+):1. Human skin and respiratory system will be harmed. Hexavalent chromium is also the dangerous carcinogens.2. Hexavalent chromium leaching out gradually from the cement, and dissolve in water, dissolving out for 7 months. After the rain, it will cause a large area of water pollution.In California, hexavalent chromium be provision that cannot exceed 10 ppb. But it still 500 times of the 0.02 ppb recommended by The Office of Environmental Health Hazard Assessment (OEHHA).The ROHS of European Union rules that the sum of Pb, Cd, Hg and Cr6+ in packing must less than 100 PPM.Ferrous Sulphate Remove ChromiumFerrous Sulphate can be used as reducing agent to decrease chromate in cement. In the process of cement production, 900 ppm of ferrous sulphate can make hexavalent chromium (Cr6+) decrease to 2 ppm.Chemical Deposition:Formula: H2Cr2O7+6FeSO4+6H2SO4=Cr2(SO4)3+3Fe2(SO4)3+7H2OProcesses: The Harm Of Hexavalent Chromium (Cr6+):1. Human skin and respiratory system will be harmed. Hexavalent chromium is also the dangerous carcinogens.2. Hexavalent chromium leaching out gradually from the cement, and dissolve in water, dissolving out for 7 months. After the rain, it will cause a large area of water pollution.In California, hexavalent chromium be provision that cannot exceed 10 ppb. But it still 500 times of the 0.02 ppb recommended by The Office of Environmental Health Hazard Assessment (OEHHA).The ROHS of European Union rules that the sum of Pb, Cd, Hg and Cr6+ in packing must less than 100 PPM.Ferrous sulphate, also known as copperas, crystal of light blue or green. It can be used as flocculating agent, reducing agent, and precipitation agent for various kinds water treatment, not only obvious effect, but also cheaper.The Purpose Of Ferrous Sulphate:1. As reducing agent:*Formula:Cr2O72-+6Fe2++14H+=2Cr3++6Fe3++7H2OCr3++3OH-=Cr(OH)3↓Ferrous sulphate is a strong reducing agent, it can transfer hexavalent chromium to trivalent chromic ion by reduction reaction. Then adjust PH value by alkalize, transform trivalent chromic to sediment of chromium hydroxide. There is no toxic gas be generated in the whole process.*Ferrous sulphate also can adjust the pH of water.2. As flocculating agent:*Formula:6FeSO4+KClO3+3H2O==2Fe2(SO4)3+KCl+2Fe(OH)3↓Resultant Fe(OH)3 can adsorb impurities to purify the water.*Ferrous sulphate has strong decolorization ability. It can discolor the textile waste such as textile printing, water scrubbing, etc.*Ferrous sulphate can dislodge heavy metal ion, and sterilization, etc.Advantage: sedimentation speed, better flocculating effects, and non-toxic.3. As precipitation agent*Formula:FeSO4 + H2S = FeS↓ + H2SO4Generate precipitate with sulfide, phosphate, etc. and thus dislodge ion of sulfide, phosphate, etc.
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