iron forming Netherlands

... water hydrolyze fast forming combinations with various metal elements in water. They form slats that sediment at the base of the container and can be filtered away. Unlike many water purification agents, Ferric alum can work at very low temperature. This makes it ideal for water treatment during fall and winter seasons. The same compound works well in disinfecting and treatment of sewerage systems. It combines with organic matter and deals with the resulting odor. Aluminium oxide Al2O3 %:min 16.0 Iron Fe content%:max 0.5 Water insoluble matter 1%:max 0.15 AS %:max 0.0005 Grain size:15 mm max...