Evolutional Development of Alkaline Aluminosilicates Processing
Processing of 4–4.5 tons of nepheline/concentrate with limestone gives 1 tonne of alumina, up to 0.8 t of soda ash, 0.3 t of potash and 10 t of cement; The main economic and environmental advantage of nepheline technology is the possibility for full utilization of all raw material components for different products, leading to waste-free ...