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RECORD NUMBER: 404 OF 1867

OLS Field Name OLS Field Data
Main Title Control of Ozone Disinfection by Exhaust Gas Monitoring.
Author Venosa, A. D. ; Meckes, M. C. ;
CORP Author Municipal Environmental Research Lab., Cincinnati, OH.
Year Published 1983
Report Number EPA-600/J-83-146;
Stock Number PB84-150648
Additional Subjects Ozone ; Disinfectants ; Water pollution control ; Industrial waste treatment ; Sewage treatment ; Water treatment ; Contractors ; Sampling ; Concentration(Composition) ; Reprints ; Air pollution sampling ; Gaseous wastes ; Water pollution sampling ; Monitoring ; Air water interactions
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NTIS  PB84-150648 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 7p
Abstract In this paper it was demonstrated empirically that disinfection with ozone can be controlled by monitoring the exhaust gas ozone concentration exiting the contactor. This method is more reliable than measuring dissolved ozone because of the inherent difficulties and inadequacies of the state-of-the-art dissolved residual techniques. The advantages of measuring exhaust gas ozone are summarized as follows: True ozone is being measured, free of interferences, ozone demand of the effluent and transfer efficiency of the contactor are automatically accounted for in one measurement, the method is easily automated, instruments are already available on the market for measuring ozone in the gas phase with accuracy, precision, and low level sensitivity and ozone is more stable in the gaseous phase than in the liquid phase, and consequently the operator does not have to concern himself with dissipation of the ozone from the time it leaves the contactor to the time it arrives at the analyzer.
NTIS Title Notes Journal article.
Title Annotations Reprint: Control of Ozone Disinfection by Exhaust Gas Monitoring.
PUB Date Free Form 1983
Category Codes 13B; 68D; 68A
NTIS Prices PC A02/MF A01
Primary Description 600/14
Document Type NT
Cataloging Source NTIS/MT
Control Number 411840771
Origin NTIS
Type CAT