Bulking of Activated Sludge: Preventative and Remedial MethodsB. Chambers, E. J. Tomlinson |
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Page 226
... Ash Vale Works and Fig . 13.3 to Cirencester Works . In practice , SSVI provides a measurement of settleability with a range from about 40 ml / g to 286 ml / g . A sludge with an SSVI of less than 40 ml / g would have to be capable of ...
... Ash Vale Works and Fig . 13.3 to Cirencester Works . In practice , SSVI provides a measurement of settleability with a range from about 40 ml / g to 286 ml / g . A sludge with an SSVI of less than 40 ml / g would have to be capable of ...
Page 227
... Ash Vale Carrousel 1977-80 . Having operated with a single feed for three sludge ages the original feed pattern was re - adopted and SSVI very gradually increased from 90 mg / 1 to 105 ml / g . After operating with the original two ...
... Ash Vale Carrousel 1977-80 . Having operated with a single feed for three sludge ages the original feed pattern was re - adopted and SSVI very gradually increased from 90 mg / 1 to 105 ml / g . After operating with the original two ...
Page 240
... Ash Vale with the recommendation that either a slower acting motorized valve or a motorized bellmouth be installed . The latter type of control valve was utilized for an automatic sludge blanket level control system installed for Thames ...
... Ash Vale with the recommendation that either a slower acting motorized valve or a motorized bellmouth be installed . The latter type of control valve was utilized for an automatic sludge blanket level control system installed for Thames ...
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