Groundwater Defluoridation with Raw Bauxite, Gypsum, Magnesite, and Their Composites

Bernard Thole, Felix Mtalo, Wellington Masamba

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Breakthrough characteristics, kinetics, and dose-effect in defluoridation with bauxite, gypsum, magnesite, and their composites were determined. The aim was to identify optimum filter and configuration viable for groundwater defluoridation. Bed depth service time (BDST) design model and empty bed residence time (EBRT) optimization model were employed to characterize breakthrough. Higher doses obtained lower loading capacities but higher sorption percentages and breakthrough times. Breakthrough times obtained were 50 400, 32 400,
Original languageEnglish
Pages (from-to)1222-1228
Number of pages7
JournalClean-Soil Air Water
Volume40
Issue number11
DOIs
Publication statusPublished - 2012

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magnesite
bauxite
gypsum
groundwater
residence time
sorption
filter
kinetics
dose

Cite this

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Groundwater Defluoridation with Raw Bauxite, Gypsum, Magnesite, and Their Composites. / Thole, Bernard; Mtalo, Felix; Masamba, Wellington.

In: Clean-Soil Air Water, Vol. 40, No. 11, 2012, p. 1222-1228.

Research output: Contribution to journalArticle

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AB - Breakthrough characteristics, kinetics, and dose-effect in defluoridation with bauxite, gypsum, magnesite, and their composites were determined. The aim was to identify optimum filter and configuration viable for groundwater defluoridation. Bed depth service time (BDST) design model and empty bed residence time (EBRT) optimization model were employed to characterize breakthrough. Higher doses obtained lower loading capacities but higher sorption percentages and breakthrough times. Breakthrough times obtained were 50 400, 32 400,

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