臭氧應用於水及廢水處理系統改良之整合型研究─總計畫(3/3)
Date Issued
2001-07-31
Date
2001-07-31
Author(s)
張慶源
DOI
892211E002103
Abstract
One objective of this study is to
investigate the removal of2-naphthalenesulfonic acid sodium (2-NSAS)
via the ozonation combined with UV
radiation. Naphthalenesulfonic acids’
derivatives, such as 2-NSAS, have been
found in rivers and tannery effluents causing
pollution problems. 2-NSAS is thus of
concern for aquatic pollution control
especially in the surface and waste waters.
Ozonation combined with UV radiation is
employed for the removal of 2-NSAS in the
aqueous solution (deionized water as well as
copper plating solution).
In addition, the variations of toxicity and
biodegradability during ozonation of
2-chlorophenol, 3-chlorophenol and
4-chlorophenol in neutral condition are
examined. Toxicities of pure chlorophenols
(CPs) and their ozonated solutions are
evaluated by Microtox assay and by oxygen
uptake rate (OUR) test, respectively. The
third aim of the study is to establish a
catalytic ozonation continuous flow system.
A catalyst packing bed and an additional
apparatus with introduction of metal ion are
established to treat 2-chlorophenol aqueous
solution and various industrial wastewaters.
The forth objective is to study the
decomposition of 2-chlorophenol in aqueous
solution by ozone and H2O2/O3 processes
under various solution pH values, ozone
dosages, concentrations of t-butanol andsurfactants, gas flow rates and stirring
speeds.
Subjects
Ozone
ozonation
UV radiation
toxicity
biodegradability
catalytic ozonation
interfacial area
mass transfer coefficient
SDGs
Publisher
臺北市：國立臺灣大學環境工程學研究所
Type
report
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