Naujos sudėties fosfogipsinių atliekų ypatumai ir panaudojimo ekologiškai gipsinei rišamajai medžiagai gaminti tyrimas

Abstract

The hills at the approaches to the Kedainiai plant "Lifosa" Ltd are the heaps of waste of the concentrated phosphorus fertilizer production from imported raw materials. In the recent production of phosphoric acid the Kola's appatite is decomposed by sulfuric asid according to the half-hydrate technology at the temperature of 85-95 C.[...].