共 50 条
- [45] USING BY PRODUCTS OF AN IRON REMOVAL PROCESS TO IMPROVE WATER-TREATMENT JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1983, 75 (05): : 246 - 248
- [47] SMALL WATER-TREATMENT SYSTEMS BASED ON 2-STAGE OZONATION TECHNOLOGY THE HYDROZON SYSTEM DRINKING WATER TREATMENT: SMALL SYSTEM ALTERNATIVES, 1989, : 260 - 289
- [49] AN EVALUATION OF NITROGENOUS ORGANIC-COMPOUNDS IN WATER-TREATMENT PLANTS NITROGEN POLLUTION OF WATER, 1988, 6 : 253 - 263