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Modelling disinfection by-products in contact tanks
Modelling disinfection by-products contact tanks
2009/12/7
Numerical modelling has been extensively used in the field of environmental engineering as an efficient method for predicting the fate of contaminants. For chlorine disinfection contact tanks, current...
Design of two-storey final settling tanks using mathematical models
Design two-storey final settling tanks mathematical models
2009/12/7
A mathematical model is applied to the design of two-storey final settling tanks. Computations show that the flow and suspended solids (SS) concentration fields for the upper and bottom tanks are simi...
Verification and application of a mathematical model for the assessment of the effect of guiding walls on the hydraulic efficiency of chlorination tanks
mathematical model assessment guiding walls hydraulic efficiency chlorination tanks
2009/12/4
A mathematical model is applied to the tank of Kipseli in Athens, Greece, which is used for storage, balancing and emergency chlorination. A Flow-Through Curve (FTC) experiment is performed for the in...
Tolerance and adaptation of the mosquito-fish Gambusia affinis (Baird & Girard) to the increase in water salinity in tanks
adaptation Gambusia affinis mosquito-fish native fish salinity tolerance
2009/4/2
The salinity tolerance of the mosquito-fish Gambusia affinis that is natived to Japan was investigated in tanks. The salinity of water in the tanks was raised to various levels, and the percentage of ...
Bio-Oxidation of Air-Borne Hydrophobic VOCs in Activated Sludge Aeration Tanks-Effects of Activated Sludge Concentration and Gas Diffuser
Hydrophobic VOCs Activated sludge aeration Bio-oxidation Diffuser
2016/3/25
An activated sludge aeration basin (20 cm i.d., 140 cm height) equipped with either a coarse air
diffuser (a plastic pipe perforated with 56 orifices of 2 mm in diameter) or a fine diffuser (porous
...
Research on optimization of valve open time of the launch barge’s ballast tanks
launch barge stowage penalty function method simulated annealing method grid method
2011/9/9
Launch barge is an effective tool for transporting ship segments from one place to another in shipyards. During shifting of segments onto a barge, the slideway on the barge’s deck must be adjusted to ...
Damage of oil storage tanks due to the 2003 Tokachi-oki earthquake and revision of design spectra for liquid sloshing
Tokai-oki earthquake Oil Storage tank liquid sloshing seismotectonic zone design spectrum
2009/3/5
The 2003 Tokachi-oki earthquake (Mw=8.0) caused the severe damage to oil storage tanks such as tank fires, submergence of floating roof, and overflow of large amount of oil, due to large liquid sloshi...