Lithuania: Scientists Invented Method of Producing Plaster Stones from Waste
In June this year, the Lithuanian Kaunas University of Technology (KTU) reported, that a group of scientists have developed a method of producing increased strength gypsum binding material using only industrial waste products. By combining phosphogypsum (fertilizing production waste), zeolite (a waste product from oil refining industry) and an activator they have cast gypsum stone, […]
