ETTRINGITE DECOMPOSITION WITH ACIDIC MINE WATER FOR ALKALINE POTENTIAL VALORISATION AND ALUMINIUM HYDROXIDE RECOVERY

Simate G.S., Ndlovu S., Acid mine drainage: Challenges and opportunities, Journal of Environmental Chemical Engineering 2 (2014), pp.1785–1803

Vera M.; Schippers, A.; Sand W., Progress in bioleaching: Fundamentals and mechanisms of bacterial metal sulfide oxidation —Part A . Appl. Microbiol. Biotechnol. 2013, 97, pp 7529–7541.

Janneck E., Cook M., Kunze C., Sommer K., Dinu L., Ettringite Precipitation vs. Nano-Filtration for Efficient Sulphate Removal from Mine Water, –Eds.: McCullough, C.D.; Lund, M.A.; Wyse, L.: Internatio nal Mine Water Associ ation Symposium; Bunbury, AU, ISBN 978-0-7298-0707-4, 2012, pp 206 I – 206 R;

Perkins R.B., Palmer C.D., Solubility of ettringite (Ca6[Al(OH)6]2(SO4)3 · 26H2O) at 5 –75°C, Geochimica et Cosmochimica Acta, Volume 63, Issues 13 – 14, July 1999, pp 1969-1980;

Chrysochoou M., Dermatas D., Evaluation of ettringite and hydrocalumite formation for heavy metal immobilization: Literature review and experimental study, Journal of Hazardous Materials 136 (2006), pp 20–33;

Thomas J.J., Rothstein D. , Jennings H. M., Christensend B. J., Effect of hydration temperature on the solubility behavior of Ca, S, Al and Si bearing solid phases in Portland cement pastes, Cement and Concrete Research 33 (2003) pp. 2037–2047

Skalny J. P., Marchand J., Odler I., Sulfate Attack on Concrete, Spon Press, 2002, London;

Damons R. E., Petersen F. W., An Aspen Model for the Treatment of Acid Mine Water, The European Journal of Mineral Processing and Environmental Protection, Vol. 2, No. 2, 1303-0868, 2002, pp. 69-81;

Report COALTECH 2020, Evaluation Of New And Emerging Mine Water Treatment Technologies, Part D, Evaluation of the Savmin Sulphate Removal Process COALTECH 2020 WMB 4431/2582/2/P, retrieved from http://www.coaltech.co.za/;

Ramsay J., Process for the treatment of effluent streams, Patent US 6280630 / 28 August 2001;

Sánchez-España J., Yusta I., Diez -Ercilla M., Schwertmannite and hydrobasaluminite: A re -evaluation of their solubility and control on the iron and aluminium concentration in acidic pit lakes, A pplied Geochemistry 26 (2011) , pp1752–1774;

Dietz J. M., Dempsey B.A., Innovative Treatment of Alkaline Mine Drainage Using Recirculated Iron Oxides in a Complete Mix Reactor, American Society of Mining and Reclamation 19th Annual National Conference June 9-13, R. Barnhisel & M. Collins, Editors, 2002 Lexington, KY, pp 496-516;

Morgan B., Lahav O. , The effect of pH on the kinetics of spontaneous Fe(II) oxidation by O2 in aqueous solution --basic principles and a simple heuristic description, Chemosphere. 2007 Aug; 68(11), pp 2080-2084. International Multidisciplinary Scientific GeoConfenferences SGEM 2015 www.sgem.org

Simate G.S., Ndlovu S., Acid mine drainage: Challenges and opportunities, Journal of Environmental Chemical Engineering 2 (2014), pp.1785–1803

Vera M.; Schippers, A.; Sand W., Progress in bioleaching: Fundamentals and mechanisms of bacterial metal sulfide oxidation —Part A . Appl. Microbiol. Biotechnol. 2013, 97, pp 7529–7541.

Janneck E., Cook M., Kunze C., Sommer K., Dinu L., Ettringite Precipitation vs. Nano-Filtration for Efficient Sulphate Removal from Mine Water, –Eds.: McCullough, C.D.; Lund, M.A.; Wyse, L.: Internatio nal Mine Water Associ ation Symposium; Bunbury, AU, ISBN 978-0-7298-0707-4, 2012, pp 206 I – 206 R;

Perkins R.B., Palmer C.D., Solubility of ettringite (Ca6[Al(OH)6]2(SO4)3 · 26H2O) at 5 –75°C, Geochimica et Cosmochimica Acta, Volume 63, Issues 13 – 14, July 1999, pp 1969-1980;

Chrysochoou M., Dermatas D., Evaluation of ettringite and hydrocalumite formation for heavy metal immobilization: Literature review and experimental study, Journal of Hazardous Materials 136 (2006), pp 20–33;

Thomas J.J., Rothstein D. , Jennings H. M., Christensend B. J., Effect of hydration temperature on the solubility behavior of Ca, S, Al and Si bearing solid phases in Portland cement pastes, Cement and Concrete Research 33 (2003) pp. 2037–2047

Skalny J. P., Marchand J., Odler I., Sulfate Attack on Concrete, Spon Press, 2002, London;

Damons R. E., Petersen F. W., An Aspen Model for the Treatment of Acid Mine Water, The European Journal of Mineral Processing and Environmental Protection, Vol. 2, No. 2, 1303-0868, 2002, pp. 69-81;

Report COALTECH 2020, Evaluation Of New And Emerging Mine Water Treatment Technologies, Part D, Evaluation of the Savmin Sulphate Removal Process COALTECH 2020 WMB 4431/2582/2/P, retrieved from http://www.coaltech.co.za/;

Ramsay J., Process for the treatment of effluent streams, Patent US 6280630 / 28 August 2001;

Sánchez-España J., Yusta I., Diez -Ercilla M., Schwertmannite and hydrobasaluminite: A re -evaluation of their solubility and control on the iron and aluminium concentration in acidic pit lakes, A pplied Geochemistry 26 (2011) , pp1752–1774;

Dietz J. M., Dempsey B.A., Innovative Treatment of Alkaline Mine Drainage Using Recirculated Iron Oxides in a Complete Mix Reactor, American Society of Mining and Reclamation 19th Annual National Conference June 9-13, R. Barnhisel & M. Collins, Editors, 2002 Lexington, KY, pp 496-516;

Morgan B., Lahav O. , The effect of pH on the kinetics of spontaneous Fe(II) oxidation by O2 in aqueous solution --basic principles and a simple heuristic description, Chemosphere. 2007 Aug; 68(11), pp 2080-2084. International Multidisciplinary Scientific GeoConfenferences SGEM 2015 www.sgem.org