Accession Number : ADA139742

Title :   Ozonolysis and Oxyphotolysis of Municipal and Industrial Effluents.

Descriptive Note : Final scientific rept. 15 Jul 80-14 Jul 81,


Personal Author(s) : Howarth,C R ; Saw,C B

PDF Url : ADA139742

Report Date : 14 Jul 1981

Pagination or Media Count : 83

Abstract : This research deals with the tertiary treatment of effluents using 'OZONE' and the 'OZONE/U.V.' (oxyphotolysis) process. The ozone was either generated insitu at the gas-liquid interface or externally produced and fed into a novel reactor which ahs a high mass transfer efficiency. The novel reactor uses the 'Hibee' principle of enhanced mass transfer to a thin liquid film as it flows across the surface of a rotating disc. Measurements of mass transfer coefficients for ozone were compared with results calculated from empirical formula derived from previous studies on the hydro-dynamics of such a reactor. Also, tertiary treatment work was carried out and the performance of this rotating disc reactor in contracting ozone with secondary effluents was evaluated. The reactor performed well with these effluents.

Descriptors :   *Waste treatment, *Ozonation, *Photolysis, Wastes(Industrial), Domestic, Effluents, Oxidation, Ultraviolet radiation, Ozone, Test reactors, Mass transfer, Efficiency, Thin films, Liquids, Fluid flow, Disks, Coefficients, Measurement

Subject Categories : Water Pollution and Control

Distribution Statement : APPROVED FOR PUBLIC RELEASE