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Title: Effect of calcium on lead in soft-water distribution systems

Abstract

Meeting the lead rule action level for drinking water can be difficult for soft-water systems. One concern in these systems is the formation of particulate or colloidal lead that is difficult to remove from the aqueous phase. In this preliminary study, batch and pipe-loop systems are used to assess the effect of calcium addition on lowering the concentration of particulate or colloidal lead. The addition of calcium at levels as low as 5 mg/L reduced zeta potential of lead-bound colloids and in some cases resulted in a reduction of total Pb concentration.

Authors:
; ;
Publication Date:
Research Org.:
Cornell Univ., Ithaca, NY (US)
OSTI Identifier:
20075770
Alternate Identifier(s):
OSTI ID: 20075770
Resource Type:
Journal Article
Journal Name:
Journal of Environmental Engineering (New York)
Additional Journal Information:
Journal Volume: 126; Journal Issue: 5; Other Information: PBD: May 2000; Journal ID: ISSN 0733-9372
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; WATER POLLUTION; DRINKING WATER; LEAD; CALCIUM; WATER CHEMISTRY; BENCH-SCALE EXPERIMENTS

Citation Formats

Bisogni, J.J. Jr., Nassar, I.S., and Menegaux, A.M. Effect of calcium on lead in soft-water distribution systems. United States: N. p., 2000. Web. doi:10.1061/(ASCE)0733-9372(2000)126:5(475).
Bisogni, J.J. Jr., Nassar, I.S., & Menegaux, A.M. Effect of calcium on lead in soft-water distribution systems. United States. doi:10.1061/(ASCE)0733-9372(2000)126:5(475).
Bisogni, J.J. Jr., Nassar, I.S., and Menegaux, A.M. Mon . "Effect of calcium on lead in soft-water distribution systems". United States. doi:10.1061/(ASCE)0733-9372(2000)126:5(475).
@article{osti_20075770,
title = {Effect of calcium on lead in soft-water distribution systems},
author = {Bisogni, J.J. Jr. and Nassar, I.S. and Menegaux, A.M.},
abstractNote = {Meeting the lead rule action level for drinking water can be difficult for soft-water systems. One concern in these systems is the formation of particulate or colloidal lead that is difficult to remove from the aqueous phase. In this preliminary study, batch and pipe-loop systems are used to assess the effect of calcium addition on lowering the concentration of particulate or colloidal lead. The addition of calcium at levels as low as 5 mg/L reduced zeta potential of lead-bound colloids and in some cases resulted in a reduction of total Pb concentration.},
doi = {10.1061/(ASCE)0733-9372(2000)126:5(475)},
journal = {Journal of Environmental Engineering (New York)},
issn = {0733-9372},
number = 5,
volume = 126,
place = {United States},
year = {2000},
month = {5}
}