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Arsenic in Aquatic Environments

Studies on arsenic removal (arsenite and arsenate) by mineral and organo-mineral complexes from contaminated solutions, affected by pH, presence of competing ligands (at different molar ratios and sequence of addition), adsorbents nature, etc.

Activity start 2008
Publications - A.G. Caporale, P. Punamiya, M. Pigna, A. Violante, D. Sarkar (2013). Effect of particle size of drinking-water treatment residuals on the sorption of arsenic in the presence of competing ions. JOURNAL OF HAZARDOUS MATERIALS, vol. 260, p. 644-651, ISSN: 0304-3894, doi: 10.1016/j.jhazmat.2013.06.023 (Q1)
- A.G. Caporale, M. Pigna, S.M.G.G. Azam, A. Sommella, M.A. Rao, A. Violante (2013). Effect of competing ligands on the sorption/desorption of arsenite on/from Mg-Fe layered double hydroxides (Mg-Fe-LDH). CHEMICAL ENGINEERING JOURNAL, vol. 225, p. 704-709, ISSN: 1385-8947, doi: 10.1016/j.cej.2013.03.111  (Q1)
- Zhu, J., Pigna, M.,  Cozzolino, V., Caporale, A.G.,  Violante, A. (2013). Higher sorption of arsenate versus arsenite on amorphous Al-oxide, effect of ligands. ENVIRONMENTAL CHEMISTRY LETTERS, vol. 11(3), p. 289-294. ISSN: 1610-3653, doi: 10.1007/s10311-013-0405-7 (Q3)
- A.G. Caporale, M. Pigna, J.J. Dynes, V. Cozzolino, J. Zhu, A. Violante (2011). Effect of inorganic and organic ligands on the sorption/desorption of arsenate on/from Al-Mg and Fe-Mg layered double hydroxides. JOURNAL OF HAZARDOUS MATERIALS, vol. 198, p. 291-298, ISSN: 0304-3894, doi: 10.1016/j.jhazmat.2011.10.044 (Q1)
- J. Zhu., M. Pigna, V. Cozzolino, A.G. Caporale, A. Violante (2011). Sorption of arsenite and arsenate on ferrihydrite: Effect of organic and inorganic ligands. JOURNAL OF HAZARDOUS MATERIALS, vol. 189, p. 564-571, ISSN: 0304-3894, doi: 10.1016/j.jhazmat.2011.02.071 (Q1)
- F. Sannino, A. De Martino, M. Pigna, A. Violante, P. Di Leo, E. Mesto, R. Capasso (2009). Potential remediation of waters contaminated with dihydrogenarsenate or/and dichromate by sorption on polymerin, Fe(OH)x-polymerin complex and ferrihydrite. Combined redox and sorption processes of Cr(VI) on polymerin. JOURNAL OF HAZARDOUS MATERIALS, vol. 166, p. 1174-1179, ISSN: 0304-3894, doi: 10.1016/j.jhazmat.2008.12.015 (Q1)
- A. Violante, M. Pucci, V. Cozzolino, J. Zhu, M. Pigna (2009). Sorption/desorption of arsenate on/from Mg-Al layered double hydroxides: influence of phosphate. JOURNAL OF COLLOID AND INTERFACE SCIENCE, vol. 333, p. 63-70, ISSN: 0021-9797, doi: 10.1016/j.jcis.2009.01.004 (Q2)
Permanent staff Massimo Pigna (AGR/13) 
Temporary or external staff Dr. Antonio Giandonato Caporale (post-doc) UNINA, Alessia Sommella (PhD student) UNINA, Shah Md. Golam Gousul Azam (PhD student) UNINA
Collaborations  
SSD  
Projects - Responsible of unit B of Naples, PRIN  entitled "Healthiness of agro-systems: chemical, biochemical and biological processes regulating the mobility of As in the soil-water-plant systems", number code 2010JBNL17_005, (MIUR, 72.000 €, 2010-2011)
- Member of unit B of Naples "Factors affecting adsorption/desorption processes and arsenic phytoavailability in polluted environments" of PRIN entitled "Mobility, toxicity and bioavailability of arsenic in soil-plant system", number code 20082FC352_001 (MIUR, 36.011 €, 2008)
- Member of unit B of Naples "Speciation, mobility and phytoavailability of heavy metals and metalloids in soil-plant system" of PRIN entitled "Transformation, mobility and phytoavailability of heavy metals and metalloids in soil-plant system ", number code 2006073324_001 (MIUR, 33.700 €, 2006)
- Member of unit B of Naples "Factors affecting the mobility and availability of toxicants in soil-plant system" of PRIN entitled "Biotic and abiotic processes affecting the mobility and availability of toxicants in soil-plant system", number code 2004078795_001 (MIUR, 22.000 €, 2004)
Recognitions and awards Primo premio nazionale di Dottorato di Ricerca in Chimica Agraria, edizione 2012, finanziato dalla Società Italiana di Chimica Agraria (SICA) e conferito al Dott. Antonio Giandonato Caporale al XXX Convegno annuale SICA (Milano, 18-19 Settembre 2012).
Scientific events XXXI Convegno Annuale SICA, organized by Dipartimento di Agraria, Università di Napoli Federico II, held in Napoli on 16-17 September 2013.
Technology and know-how transfers  
Other