Erosion of Colloids Coated With Humic Substances in Fixed and Fluidized Beds

Mahmood, Talat; Amirtharajah, Appiah; Sturm, Terry W.; Dennett, Keith E.

Title:

Erosion of Colloids Coated With Humic Substances in Fixed and Fluidized Beds

dc.contributor.author	Mahmood, Talat
dc.contributor.author	Amirtharajah, Appiah
dc.contributor.author	Sturm, Terry W.
dc.contributor.author	Dennett, Keith E.
dc.contributor.corporatename	Georgia Institute of Technology. School of Civil and Environmental Engineering
dc.contributor.editor	Hatcher, Kathryn J.
dc.date.accessioned	2012-06-18T00:20:07Z
dc.date.available	2012-06-18T00:20:07Z
dc.date.issued	1995-04
dc.description	Proceedings of the 1995 Georgia Water Resources Conference, April 11 and 12, 1995, Athens, Georgia.	en_US
dc.description.abstract	Migration of various pollutants associated with colloidal particles has been reported by several researchers. Detachment of colloids and their associated pollutants could be controlled by hydrodynamic as well as chemical conditions of the eroding water. The objective of this study is to understand the mechanisms of detachment of uncoated colloids and colloids coated with humic substances from relatively coarse media grains. Under fixed-bed conditions, the percent detachment was found to increase with an increase in pore velocity. Increased organic coatings caused percent detachment to decrease under fluidized bed conditions. The results of this study will be useful for modifications to soil erosion models for cohesive sediments and estimation of transport of contaminants carried by colloids during dredging operations.	en_US
dc.description.sponsorship	Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, The University of Georgia, Georgia State University, Georgia Institute of Technology	en_US
dc.description.statementofresponsibility	This book was published by the Carl Vinson Institute of Government, The University of Georgia, Athens, Georgia 30602 with partial funding provided by the U.S. Department of Interior, Geological Survey, through the Georgia Water Research Institute as authorized by the Water Resources Research Act of 1990 (P.L. 101-397). The views and statements advanced in this publication are solely those of the authors and do not represent official views or policies of the University of Georgia or the U.S. Geological Survey or the conference sponsors.
dc.identifier.isbn	0-935835-04-0
dc.identifier.uri	http://hdl.handle.net/1853/44012
dc.language.iso	en_US	en_US
dc.publisher	Georgia Institute of Technology	en_US
dc.publisher.original	Carl Vinson Institute of Government
dc.relation.ispartofseries	GWRI1995. Public Involvement	en_US
dc.subject	Water resources management	en_US
dc.subject	Water pollution	en_US
dc.subject	Water chemistry	en_US
dc.subject	Water quality	en_US
dc.title	Erosion of Colloids Coated With Humic Substances in Fixed and Fluidized Beds	en_US
dc.type	Text
dc.type.genre	Proceedings
dspace.entity.type	Publication
local.contributor.corporatename	Georgia Water Resources Institute
local.contributor.corporatename	School of Civil and Environmental Engineering
local.contributor.corporatename	College of Engineering
local.relation.ispartofseries	Georgia Water Resources Conference
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relation.isSeriesOfPublication	e0bfffc9-c85a-4095-b626-c25ee130a2f3