Flow downstream of an aerator - aerator spacing
نویسندگان
چکیده
منابع مشابه
Vortex behaviour of an unbaffled surface aerator
Agitating liquids in an unbaffled surface aeration tank leads to the formation of a vortex in the region of the impeller shaft. The types and characteristics of the vortex govern the process phenomena of a surface aeration tank. In the present work, experimental results and empirical correlations have been obtained to relate the vortex depth to a number of physical factors. Experiments have bee...
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Oxidation ditch process is used to treat the municipal and domestic sewage. The untreated sewage generates fouling smell, harmful bacteria, etc. which is hazardous for public health and degrades the environment by librating noxious gases. This paper examines the use of curved blade aerator for oxidation ditch process. The rotor, which controls the aeration, is the main component of the aeration...
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∗1Ateneo Innovation Center, Ateneo de Manila University Loyola Heights, Quezon City 1108, Philippines E-mail: [email protected] ∗2Electronics Computer and Communications Engineering Department, Ateneo de Manila University ∗3Institut Catholique d’Arts et Métiers 6 rue Auber, Lille 59000, France ∗4Alsons Aquaculture Corporation 2286 Chino Roces Ave., Makati City, 1200, Philippines ∗5Environmen...
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−The scale up or scale down of the process variables in a surface aerator requires information about the shear rate prevailing in the system. In fact, the performance of surface aerator depends upon the shear rate. Shear rate affects the mass transfer operation needed by the surface aerator. Theoretical analysis of shear rate suggests a nonlinear behavior with rotational speed of the impeller, ...
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A full scale swine (300 pigs) waste treatment system, including a solid/liquid separation unit (3 m) with a solids holding tank (1.2 m) and a liquid holding tank (20 m), two anaerobic reactors (10 m each) in series, an intermittent aeration unit (20 m), a sedimentation/polishing unit (20 m) and a sludge dewatering bed (17 m), was used to investigate the impact of integrating an intermittent aer...
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ژورنال
عنوان ژورنال: Journal of Hydraulic Research
سال: 1989
ISSN: 0022-1686,1814-2079
DOI: 10.1080/00221688909499127