Show simple item record

dc.contributor.authorFreeman, Sandra
dc.contributor.authorJones, Franca
dc.contributor.authorOgden, Mark
dc.contributor.authorOliveira, Allan
dc.contributor.authorRichmond, William
dc.identifier.citationFreeman, Sandra and Jones, Franca and Ogden, Mark and Oliveira, Allan and Richmond, William. 2006. Effect of Benzoic Acids on Barite and Calcite Precipitation. Crystal Growth and Design 6 (11): 2579-2587.

The effect of various benzoic acids on the precipitation of barite (BaSO4) and calcite (CaCO3) was investigated. The acids varied in the number of carboxylate groups, from dibenzoic acids (phthalic, isophthalic, and terephthalic) through to the hexabenzoic acid (mellitic acid). It was found that the stereochemistry of the dibenzoic acids was important, as was the pH of the solution (trimesic acid was used as a test case and showed that greatest inhibition was achieved with all carboxylate groups deprotonated). Interestingly, for both the calcite and barite systems, mellitic acid was found to be both a potent inhibitor and a significant crystal growth modifier. In the case of barite, the presence of mellitic acid produced nanoparticles that agglomerated. The nanoparticles were found to be 20 nm in size from X-ray diffraction (XRD) line width analysis and 20-50 nm from transmission electron microscopy (TEM). Humic acid was also tested and found to form bundled fibers of barium sulfate.

dc.publisherAmerican Chemical Society
dc.titleEffect of Benzoic Acids on Barite and Calcite Precipitation
dc.typeJournal Article
dcterms.source.titleCrystal Growth and Design
curtin.accessStatusFulltext not available
curtin.facultyDepartment of Applied Chemistry
curtin.facultyDivision of Engineering, Science and Computing
curtin.facultyFaculty of Science

Files in this item


This item appears in the following Collection(s)

Show simple item record