TY - JOUR AU - Goncharov, S. AB - Z. V. Chagina, E. B. Konyukhova, F. E. Dubinskaya, Ao F. Epshtein, and S. B. Goncharov UDC 66.074:631.859.13 The waste gases from the production of ammophos contain fluorine, ammonia, and ammophos dust (Table I), which are formed in the granulating and drying reactors (GDR), in the crushing and sorting equipment, the transporting facilities, and when cooling ammophos in fluidized-bed (FB) reactors. Ammonia and fluorine compounds are released into the gaseous phase during neutralization of the phosphoric acid with ammonia and during granulation and drying of the ammophoso De- pending on the degree of neutralization of phosphoric acid with ammonia (the NH3/H3PO 4 molar ratio) monoammonium phosphate, diammonium phosphate, or a mixture of these salts are being formed. At the granulating and drying stages of the product diammonium phosphate decomposes partially in the GD reactor with the evolution of ammonia into the gaseous phase. It has been established that the ammonia and dust content of the gaseous phase decreases when the GD reactor operates in the technological regime including deoxidation (reduction).* Thus, the ammonia content was reduced from 6 to 2 g/nm 3 and the dust content from 7.8 to 1.86 g/nm 3 . Dust is removed from the waste TI - Purification of gases in ammophos production JF - Chemical and Petroleum Engineering DO - 10.1007/BF01156028 DA - 2005-01-29 UR - https://www.deepdyve.com/lp/springer-journals/purification-of-gases-in-ammophos-production-Op50HqNkdO SP - 519 EP - 521 VL - 25 IS - 9 DP - DeepDyve ER -