Oxidative Treatment of a Wastewater Stream from a Molasses Processing Using Ozone and Advanced Oxidation Technologies

The discoloration of a biologically pretreated wastewater stream from a molasses processing by ozonation and two advanced oxidation processes (O 3 /H 2 O 2 and O 3 /γ-irradiation, respectively) was studied. Color removal occurred with all three processes with almost the same efficiency. The main dif...

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Bibliographic Details
Published in:	Ozone: science & engineering 1997, Vol.19 (2), p.157-168
Main Authors:	Gehringer, P., Szinovatz, W., Eschweiler, H., Haberl, R.
Format:	Article
Language:	eng
Subjects:	Advanced Oxidation Applied sciences Biochemical Oxygen Demand (BOD) Chemical Oxygen Demand (COD) Discoloration Exact sciences and technology Industrial wastewaters Molasses Ozone Ozone/Hydrogen Peroxide Ozone/γ-irradiation Pollution Wastewater Treatment Wastewaters Water treatment and pollution
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Summary:	The discoloration of a biologically pretreated wastewater stream from a molasses processing by ozonation and two advanced oxidation processes (O 3 /H 2 O 2 and O 3 /γ-irradiation, respectively) was studied. Color removal occurred with all three processes with almost the same efficiency. The main difference between the methods applied was reflected by the BOD increase during the discoloration period. By ozonation it was much higher than by AOPs, but it also appeared with AOPs. AOPs therefore, were not appropriate as an effective BOD control during discoloration.
ISSN:	0191-9512 1547-6545