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Energy Requirements for Air Stripping Trihalomethanes
Author(s) -
Roberts Paul V.,
Levy James A.
Publication year - 1985
Publication title -
journal ‐ american water works association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.466
H-Index - 74
eISSN - 1551-8833
pISSN - 0003-150X
DOI - 10.1002/j.1551-8833.1985.tb05523.x
Subject(s) - stripping (fiber) , aeration , countercurrent exchange , air stripping , trihalomethane , mass transfer , environmental science , water treatment , waste management , process engineering , environmental engineering , chemistry , materials science , chromatography , engineering , thermodynamics , composite material , physics , wastewater
In process design for air stripping of trihalomethanes (THMs) the gas‐phase, mass‐transfer resistance must be taken into account to ensure efficient operation. In most cases, it should be possible to attain effective THM control with an energy expenditure of less than 0.1 kW · h/m 3 of treated water. Mechanical surface aeration and countercurrent, packed‐column air stripping require approximately the same amounts of energy to achieve the same treatment efficiency. Considerable energy savings can be realized by choosing a multistage configuration in surface aeration.