Encyclopedia of Environmental Science and Engineering, Volume I and II

156 BIOLOGICAL TREATMENT OF WASTEWATER Depending on pH, ammonia can be toxic to anaerobic bacteria and free ammonia is more toxi ...

BIOLOGICAL TREATMENT OF WASTEWATER 157 A supplemental source of carbonaceous BOD must be added in this stage to reduce the nitra ...

158 BIOLOGICAL TREATMENT OF WASTEWATER u x = Mean cell retention time, time m = dx / X d t = Specific growth rate of microorgani ...

BIOLOGICAL TREATMENT OF WASTEWATER 159 Division, Proceedings of the American Society of Civil Engineers, 85 , SA6, 1959. Friedm ...

160 BROWNFIELDS The American Society for Testing and Materials (ASTM) defines brownfields as “abandoned, idled, or underutilized ...

BROWNFIELDS 161 TABLE 1 Brownfields time line Brownfields Timeline 1976 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 ...

162 BROWNFIELDS Some of these principles have become engineering practice in the “Standard for Process of Sustainable Brownfield ...

BROWNFIELDS 163 of brownfields begins in the definitions and continues through implementation. Legally, the EPA uses the definit ...

164 BROWNFIELDS environmental impact, and by offering incentives for certain desirable types of development, including brownfiel ...

BROWNFIELDS 165 helped to streamline the evaluation and regulatory process for each site. Both reduced the time needed to collec ...

166 C CHEMICAL EFFECTS : see EFFECTS OF CHEMICALS; AIR POLLUTANT EFFECTS; POLLUTION EFFECTS ON FISH CHEMICAL TREATMENT : see PHY ...

COAL GASIFICATION PROCESSES 167 Some of the more important coal gasification processes include those of Texaco, Shell, Dow & ...

168 COAL GASIFICATION PROCESSES The stack emission values presented in Table 4, as per Holt’s (1988) review of Cool Water data, ...

The main problems found with sulfur sorbents involve mechanical property degradation and/or loss of sulfur capac- ity over many ...

170 COAL GASIFICATION PROCESSES gas treatment, silica gel from the air separation plant, and various resins from the water treat ...

171 COMMUNITY HEALTH GENERAL Health is the ability to cope with activities of daily living, ever a norm yet always relative.^1 M ...

172 COMMUNITY HEALTH and types of hospitals, with attention to emergency services and rehabilitation care are important. Slightl ...

COMMUNITY HEALTH 173 for public health practice as changing beyond any predictions and urged support of government for health mo ...

174 COMMUNITY HEALTH One school of fully qualified healers, the osteopathic physicians, were once considered as having a discipl ...

COMMUNITY HEALTH 175 Official public health services provide some sickness care but are legally charged to assure that all citiz ...