Environmental Microbiology of Aquatic and Waste Systems

244 9 Municipal Purification of Water freshwater, E. coli (126/100 mL threshold) or entero- cocci (33/100 mL). EPA requires that ...

References 245 period exceeding 230 MPN per 100 mL) and fecal coliform monitoring (median concentration should not exceed 14 MPN ...

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Part V Waste Disposal in Aquatic and Solid Media ...

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N. Okafor, Environmental Microbiology of Aquatic and Waste Systems, 249 DOI 10.1007/978-94-007-1460-1_10, © Springer Science+Bus ...

250 10 Waste Disposal in the Aqueous Medium: Sewage Disposal (c) Finally, the wastes may be treated mechanically, biologically, ...

10.2 Methods for the Determination of Organic Matter Content in Sewage and Wastewaters 251 that algae present in it may not prod ...

252 10 Waste Disposal in the Aqueous Medium: Sewage Disposal shown in the equations above. It occurs not only in water but also ...

10.2 Methods for the Determination of Organic Matter Content in Sewage and Wastewaters 253 adjustment of the pressure changes br ...

254 10 Waste Disposal in the Aqueous Medium: Sewage Disposal organic materials in water which can be oxidized by a strong chemic ...

10.3 Systems for the Treatment of Sewage 255 10.3.1.1 The Activated Sludge System The activated sludge method (Nielsen 2002 ; Li ...

256 10 Waste Disposal in the Aqueous Medium: Sewage Disposal flocs which are essential for sludge formation was brought about by ...

10.3 Systems for the Treatment of Sewage 257 is absent, is due to underloading in the aeration cham- ber. Streptothrix and non-s ...

258 10 Waste Disposal in the Aqueous Medium: Sewage Disposal Contact stabilization: This is used when the waste- water has a hi ...

10.3 Systems for the Treatment of Sewage 259 90–95% of the BOD is removed. When the contact time is less (in the high-rate treat ...

260 10 Waste Disposal in the Aqueous Medium: Sewage Disposal is uniformly spread on the bed by a rotating distributor which is p ...

10.3 Systems for the Treatment of Sewage 261 Microbiology of the Trickling Filter As the sewage percolates over the stones, micr ...

262 10 Waste Disposal in the Aqueous Medium: Sewage Disposal 10.3.1.4 Oxidation Ponds Oxidation ponds (also called or Stabilizat ...

10.3 Systems for the Treatment of Sewage 263 then passes into a High Rate Pond (HRP) for rapid growth of algae and concomitant p ...