Przemysl Chemiczny, Vol.92, No.12, 2168-2172, 2013
Progress in the technology for mechanically granulated nitro-chalk fertilizers in ZAK SA
History of modernization of technol. for prodn. of nitro-chalk fertilizers was presented. Now, a modern prodn. line of nitro-chalk fertilizers with NH3 and HNO3 units and 2 plants for mech. granulation used for prodn. of the S, B, K, P, Na, Ca and Mg-contg. nitro-chalk fertilizers is under operation.