STABILISATION DE SULFATE FERREUX POUR RÉDUIRE LE CHROME 6 DANS LE CIMENT ET POUR DES APPLICATIONS DANS DES ALIMENTS POUR ANIMAUX, EN HORTICULTURE ET AGRICULTURE AVEC DES PROPRIÉTÉS AMÉLIORÉES ET PROCÉDÉ DE PRODUCTION ASSOCIÉ
Ferrous Sulphate Heptahydrate (Copperas) is intimately mixed with 15 to 40% Calcium Sulphate Hemihydrate and then immediately subjected to compacting by high pressure and stored for at least 10 minutes. Milled to fine particles it becomes an effective product for the reduction of Cr6+ in cement having improved efficiency and prolonged safe storage time. It can be used also as trace element additive for animal food, horticulture etc.