Use Of Static Mixer For Oxidation And Disinfection By Ozone
作者:
Nathalie Martin,
Catherine Galey,
期刊:
Ozone: Science & Engineering
(Taylor Available online 1994)
卷期:
Volume 16,
issue 6
页码: 455-473
ISSN:0191-9512
年代: 1994
DOI:10.1080/01919512.1994.10555754
出版商: Taylor & Francis Group
关键词: Ozone;Ozone Contacting;Static Mixer;Drinking Water Treatment;Disinfection;Oxidation;Advanced Oxidation;Ozone/Hydrogen Peroxide;“CT” Calculations;Atrazine Destruction;Simazine;Pesticides Oxidation;Ozone Mass Transfer Coefficient;Melun Arvigny
数据来源: Taylor
摘要:
Ozone is used in drinking water treatment as a biocide, as an oxidant and as a pretreatment in order to improve the performance of subsequent processes. Increasing concern over the quality of drinking water has led to a number of new stringent regulations in the control of chemical and microbiological contaminants. Disinfection deals with the concept of “CT”, which is the need to maintain a certain minimum concentration for a given time. Under ideal laboratory conditions, it is 0.4 mg O3/L for 4 min. In practice, since the method for the CT determination has not been finalized by the EPA, “T” can be the minimum detention time of 90% of total flow, and “C” can be a measured ozone residual at the outlet of cells of the contactor. New standards for micropollutants in drinking water imply an optimization of the ozonation step, by improving the ozone transfer from gas to water, and the control of the detention time as well as ozone residual within the contactor.
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