Delivery of iron II sulphate heptahydrate (green salt) for wastewater treatment at the Duisburg-Kaßlerfeld sewage treatment plant. The estimated amount is 3,520,000 moles of Fe per year.
Delivery of iron II sulphate heptahydrate (green salt) for wastewater treatment at the Duisburg-Kaßlerfeld sewage treatment plant. The estimated amount is 3,520,000 moles of Fe per year.