Production of porous aluminium and iron sulphated oxyhydroxides using industrial grade coagulants for optimised arsenic removal from groundwater

Yoann Glocheux, Ahmad B. Albadarin, Chirangano Mangwandi, Emma Stewart, Gavin M. Walker

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The optimisation of Fe and Al oxyhydroxide materials produced using industrial grade coagulants is presented in this work. The effects of synthesis pH and post-synthesis washing procedure onto the arsenic adsorption capacity of the materials were investigated. It was shown that the materials produced at higher pH were more efficient in removing As(V), especially after cleaning procedure. The materials produced at lower pH were less efficient in removing As(V) but the higher presence of sulphate groups in the materials produced at lower pH enhanced As(III) adsorption. Most performing materials can remove up to 84.7 mg As(V) g-1 or 77.9 mg As(III) g-1.
Original languageEnglish
Pages (from-to)56-66
Number of pages11
JournalJournal of Industrial and Engineering Chemistry
Volume25
Early online date08 Nov 2014
DOIs
Publication statusPublished - 25 May 2015

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