Research Article
Aug 1975
Particles, Polymers, and Performance in Filtration
Publication: Journal of the Environmental Engineering Division
Volume 101, Issue 4
Abstract
Coagulation and filtration processes for water and wastewater treatment have important similarities which are useful in understanding: (1) What these processes accomplish, and how they can accomplish it; and (2) how to design and operate these processes to function effectively. For example, effective filtration requires effective chemical pretreatment to destabilize the particles to be removed. This may be done in a conventional coagulation and sedimentation process, or by a direct addition of appropriate chemicals to the filter influent. The appropriate type and dosage of destabilizing chemical to produce the most effective removal in filtration can usually be determined readily by batch (jar) coagulation tests. Filter design should then be tailored to the pretreatment process selected. Experimental evidence for these and related filtration phenomena are presented and examined.
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Published In
Journal of the Environmental Engineering Division
Volume 101 • Issue 4 • August 1975
Pages: 567 - 583
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Aug 1975
Published online: Feb 11, 2021
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Authors
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Mohammad T. Habibian
Engr., Quanta Consulting Engrs., Tehran, Iran
Charles R. O'Melia, M.ASCE
Prof. of Environmental Sci. and Engrg., Univ. of North Carolina, Chapel Hill, N.C.
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