Bulking of Activated Sludge: Preventative and Remedial MethodsB. Chambers, E. J. Tomlinson |
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Page 185
... anoxic zone im- proved it . Dr. Chambers stressed that septic conditions did not exist in the anoxic zone because oxygen was available in the form of nitrate . Therefore , he did not think that the evidence was contradictory ...
... anoxic zone im- proved it . Dr. Chambers stressed that septic conditions did not exist in the anoxic zone because oxygen was available in the form of nitrate . Therefore , he did not think that the evidence was contradictory ...
Page 227
... anoxic zones as illustrated in Fig . 13.1 . Until April 1977 , both crude sewage and return activated sludge were fed equally into the two aeration zones . It was considered that introduction of the total feed into one aeration zone ...
... anoxic zones as illustrated in Fig . 13.1 . Until April 1977 , both crude sewage and return activated sludge were fed equally into the two aeration zones . It was considered that introduction of the total feed into one aeration zone ...
Page 259
... ANOXIC ZONE TO IMPROVE ACTIVATED SLUDGE SETTLE- ABILITY G. J. Price , Wessex Water Authority INTRODUCTION A significant improvement in Stirred Specific Volume Index ( SSVI ) ( at 3.5 g / l ) , from 155 to 112 ml / g was achieved by ...
... ANOXIC ZONE TO IMPROVE ACTIVATED SLUDGE SETTLE- ABILITY G. J. Price , Wessex Water Authority INTRODUCTION A significant improvement in Stirred Specific Volume Index ( SSVI ) ( at 3.5 g / l ) , from 155 to 112 ml / g was achieved by ...
Common terms and phrases
activated sludge activated-sludge plants aeration tank anoxic anoxic zone Arthrobacter Ash Vale batch system bulking control bulking problem bulking sludge cells chlorination Chudoba Clâ‚‚ dose completely-mixed contact tanks continuously-fed denitrification dissolved oxygen effect effluent Eikelboom experiments Eynde feeding Filament Index filamentous bacteria filamentous bulking filamentous micro-organisms filamentous organisms floc loading floc-forming flow glucose hydraulic residence hydrossis influent longitudinal mixing measured mg COD/g MLSS mg/l Microthrix parvicella mixed liquor ml/g nitrification Nocardia non-filamentous North West Water oleic acid operation oxidation ditches pilot plants plug-flow Professor Grau Professor Jenkins recycle ratio Rensink return sludge settlement tank settling characteristics sludge bulking sludge flocs sludge loading Sludge Volume Index Sphaerotilus natans Stevenage substrate substrate concentration substrate removal suspended solids Table Tarrant Crawford Thames Water Authority treatment plant Type values waste water Water Pollution Water Pollution Control Water Research Centre Wessex Water Wessex Water Authority Yorkshire Water Authority