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Water Purification and Disinfection Processes

Water Purification and Disinfection Processes Fig. 2: Membrane operations disinfecting ability. Fig. 1: Number of deaths duetocholerainthe19th centuryinParis. their living, infectious form. Besides the fact that they arelivingor- ganisms,theysharetheir particulate statuswith bacteria and viruses. Fromthe above descriptionofinfectiousentities, onecande- ducethe possible modesofactionleadingtodisinfection, i.e. the unit operations leadingtoa reductionor complete removal of thein- fectiouspotential associated toagiven water. 4 How to Proceed Inadditiontothepossible processes usedtodisinfect waters, one should alsoaddress theproblems relatedtodisinfectionassess- ment. 4.1 Addressing the Physics ofInfectious Entities Treatment processes that removeparticlesfrom water maybe consideredas disinfectionprocessesprovidedthat theyindeed re- moveparticlesofthepropersize. Separationprocesses haveall a relativepotential to disinfect waters. But most ofthese processes Forum J.-L. Bersillon** 1 Introduction Interestingly enough, disinfection has not been the f irst water purif ication ever invented and used by mankind. However, our an- cestors knew by experience that a clear water had less chance to make them ill. Clarif ication was certainly the f irst water purif ica- tion rite that ancient Egyptians used to use prior to the storage of the Nile flood waters. Also, boiled water was certainly preferable to un- boiled, but no one could tell exactly why. The concept of infectious agents is rather recent as compared to other f indings of human civi- lisations. Louis Pasteur (1822–1895) was the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta hydrochimica et hydrobiologica Wiley

Water Purification and Disinfection Processes

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Publisher
Wiley
Copyright
Copyright © 1999 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0323-4320
eISSN
1521-401X
DOI
10.1002/(SICI)1521-401X(199902)27:2<98::AID-AHEH98>3.0.CO;2-E
Publisher site
See Article on Publisher Site

Abstract

Fig. 2: Membrane operations disinfecting ability. Fig. 1: Number of deaths duetocholerainthe19th centuryinParis. their living, infectious form. Besides the fact that they arelivingor- ganisms,theysharetheir particulate statuswith bacteria and viruses. Fromthe above descriptionofinfectiousentities, onecande- ducethe possible modesofactionleadingtodisinfection, i.e. the unit operations leadingtoa reductionor complete removal of thein- fectiouspotential associated toagiven water. 4 How to Proceed Inadditiontothepossible processes usedtodisinfect waters, one should alsoaddress theproblems relatedtodisinfectionassess- ment. 4.1 Addressing the Physics ofInfectious Entities Treatment processes that removeparticlesfrom water maybe consideredas disinfectionprocessesprovidedthat theyindeed re- moveparticlesofthepropersize. Separationprocesses haveall a relativepotential to disinfect waters. But most ofthese processes Forum J.-L. Bersillon** 1 Introduction Interestingly enough, disinfection has not been the f irst water purif ication ever invented and used by mankind. However, our an- cestors knew by experience that a clear water had less chance to make them ill. Clarif ication was certainly the f irst water purif ica- tion rite that ancient Egyptians used to use prior to the storage of the Nile flood waters. Also, boiled water was certainly preferable to un- boiled, but no one could tell exactly why. The concept of infectious agents is rather recent as compared to other f indings of human civi- lisations. Louis Pasteur (1822–1895) was the

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Acta hydrochimica et hydrobiologica – Wiley

Published: Feb 1, 1999

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