Ferrous sulfate for water treatment

FeSO4.7H2O >= 95%
Fe >= 18.9%
Pb <= 0.002%
As <=0.0002%

Application
1. As reducing agent, electroplate factory, will revert hexavalent chromium to 3 chromium. Can replace sodium sulfite, sulfur dioxide etc.
2. Used as flocculating agent. For industrial waste water.
3. As precipitator, take dyeing factory for example, can remove sulfide.
4. Used as raw material, for iron oxide red plant, farm chemical factory, chemical fertilizer. Can supply iron.
5. Used to decoloring