共 50 条
- [41] SORPTION WITH NATURAL ZEOLITE OF AMMONIUM-IONS FROM WASTE-WATERS KHIMIKO-FARMATSEVTICHESKII ZHURNAL, 1981, 15 (01): : 89 - 92
- [45] Hyperfiltration Purification of Waste Water Chemical and Petroleum Engineering, 2001, 37 : 575 - 578
- [46] Urea waste water purification AMMONIA PLANT SAFETY & RELATED FACILITIES, VOL 39, 1999, 39 : 264 - 271