Adsorption of aqueous heavy metals onto carbonaceous substrates

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Title: Adsorption of aqueous heavy metals onto carbonaceous substrates
Author(s): Burns, Carolyn A.; Cass, Peter J.; Harding, Ian H.; Crawford, Russell J.
Abstract: The present study determines the efficiency with which a range of Australian coals could adsorb a single heavy metal, Cr(III), which is frequently found in industrial waste streams. The extent of adsorption is measured as a function of pH on a range of coals varying in rank from brown to low-volatile bituminous. In addition, the efficiency with which brown coal could adsorb a variety of aqueous heavy metals is measured. The adsorption results for each of the metal systems are directly compared. The adsorption profiles resulting from this investigation are interpreted in terms of both the solution properties of the metal ions and the ranks of the coals under investigation.
Publication type: Journal article
Research centre: Swinburne University of Technology. Centre for Applied Colloid and BioColloid Science
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 155, no. 1 (Sep 1999), pp. 63-68
Publication year: 1999
FOR Code(s): 02 Physical Sciences; 03 Chemical Sciences; 09 Engineering
Keyword(s): Adsorption; Aqueous heavy metals; Australian coal; Bituminous coal; Carbon; Carbonaceous substrates; Chromium; Coal rank; Heavy metal; Lignite; pH effects; Wastewater treatment
Publisher: Elsevier
ISSN: 0927-7757
Publisher URL: http://dx.doi.org/10.1016/S0927-7757(98)00419-1
Peer reviewed