Dr Ellen Moon

Ellen Moon portrait

ellen.moon@scu.edu.au

Researchgate profile

Follow me on Twitter

Education

2012 - PhD Geochemistry from the University of Southampton, UK.
Thesis title: Sorption of trace metals to bacteria and (hydr)oxide minerals: Controls on the chemistry of natural waters.
Supervisors: Caroline L. Peacock & Rachel A. Mills

2006 - MSci Chemical Physics from the University of Bristol, UK.
Thesis title: An investigation into the effect of varying relative humidity on the evaporation of optically tweezed water droplets.
Supervisor: Jonathan P. Reid.

Research interests

I am interested in predicting the effects of climate and environmental change on the biogeochemical cycling, and environmental distribution, of trace and contaminant metals. I focus my research on the molecular-level interactions between metals, minerals and microbes in soils, sediments and natural waters. These processes ultimately control the abundance of metals in both modern and ancient environments, and are therefore key to understanding metal cycling on both a local and global scale. I have also applied my research to the molecular-level relationship between metals and engineered surfaces, which underpins a number of industrial separations processes, including water treatment and mineral processing. My research combines traditional chemical approaches with geochemical modelling and advanced spectroscopic and scattering techniques, including those available at the Australian Synchrotron and the Australian Centre for Neutron Scattering.

Science communication and outreach:

Research grants

As principle investigator

  • P4852: The partitioning of contaminants metal(loids) during the thermal transformation of iron(III) hydroxides: Implications for bushfire affected land (2016) Bragg Institute SAXS & USANS Beamtime + Travel (6 days) - $32,032
  • P4849: Investigating the primary and emergent phases during aging of greigite (Fe3S4): Insights from SANS and USANS (2016) Bragg Institute SANS & USANS Beamtime (8 days) - $67,805
  • Nano-scale insights into the stability of greigite: Key controls in the remediation of acid sulfate soils (2015) SCU Seed Grant - $4,912
  • Deducing the nanostructure of primary and emergent phases during aging of greigite, an iron sulfide mineral (2015) Bragg Institute SANS and SAXS Beamtime (6 days) - $25,380
  • Deducing the relationship between Fe and S oxidation dates during the oxidative aging of the iron sulfide mineral greigite, Fe3S4 (2015) NSRRC Taiwan Beamtime (3 days) - commercial value $46,800
  • ALNGRA15054: Nanostructural changes associated with formation, growth and aging of the iron sulfide mineral greigite (Fe3S4) in an iron-rich acid sulfate soil wetland (2015) AINSE Research Award - $5,060
  • M8911: U(VI) partitioning between Fe mineral phases during the aging of schwertmannite to goethite: Implications for contaminant mobility (2015) Australian Synchrotron XAS Beamtime (2 days), Travel & Accommodation - commercial value $31,200
  • M5907: XAS investigation into the formation of mixed Zr-Nb colloidal phases in sulphate-based mineral processing liquors (2013) Australian Synchrotron XAS Beamtime (3 days), Travel & Accommodation - commercial value $46,800
  • M5294: Uranium extraction from phosphoric acid by ion exchange: Determination of U speciation (2012) Australian Synchrotron XAS Beamtime (3 days), Travel & Accommodation - commercial value $46,800
  • M4891: Deducing the nano-structure of Zr-Nb colloidal phases formed in sulphate based mineral processing liquors (2012) Australian Synchrotron XAS Beamtime (1 day), Travel & Accommodation - commercial value $15,600
  • Sorption of trace metals to bacteria and hydroxide minerals: Controls on the chemistry of natural waters (2007) Natural Environment Research Council (UK) - PhD scholarship and top-up fund - £45,000

As co-investigator

  • ISP12197: Uranium crystal chemistry in fossilized teeth: Implications for accurate direct dating (2017) Australian Synchrotron International Synchrotron Access Program - $6,800

  • SP15769: Uranium crystal chemistry in fossilized teeth: Implications for accurate direct dating (2017) Diamond Light Source XAS & XRF Beamtime (4 days) – commercial value $62,400

  • ALNGRA15538: Effect of arsenic on the crystal structure of 2-line ferrihydrite and hematite: Implications for environmental contamination (2015) AINSE Research Award - $8,930

  • M8445: Iron mineral transformation during oxidation of monosulfidic black oozes: Implications for contaminants (2014) Australian Synchrotron XAS Beamtime (2 days), Travel & Accommodation - commercial value $31,200

  • M5424: Determination of uranium speciation during recovery from saline waters using ion exchange resins (2012) Australian Synchrotron XAS Beamtime (3 days), Travel & Accommodation - commercial value $46,800

  • M4891: Deducing the nano-structure of Zr-Nb colloidal phases formed in sulphate based mineral processing liquors (2012) Australian Synchrotron SAXS/WAXS Beamtime (2 days), Travel & Accommodation - commercial value $31,200

Postgraduate student supervision

PhD: Dakota Gibbs(ongoing)
Project title: Iron stable isotope fractionation in a partially remediated acid sulfate soil wetland - Insights into mineralisation pathways.
Principle supervisor: Richard Bush, Co-supervisors: Ellen Moon, Doug Connelly (NOC, UK), Rachel Mills (Uni. of Southampton, UK).

Publications

Journal articles

2017

Luke, H., Martens, M.A., Moon, E.M., Smith, D., Ward, N.J., Bush, R.T. (2017) Ecological restoration of a severely degraded coastal acid sulfate soil: A case study of the East Trinity wetland, Queensland. Ecological Management and Restoration 18, 103-114.

Moon, E.M., Ogden, M.D., Griffith, C.S., Wilson, A., Mata, J.P. (2017) Impact of chloride on uranium(VI) speciation in acidic sulfate ion exchange systems: Towards seawater-tolerant mineral processing circuits. Journal of Industrial and Engineering Chemistry 51, 255-263.

Ogden, M.D., Moon, E.M., Wilson, A., Pepper, S.E. (2017) Application of chelating weak base resin Dowex M4195 to the recovery of uranium from mixed sulfate/chloride media. Chemical Engineering Journal 317, 80-89.

Choppala, G., Bush, R., Moon, E., Ward, N., Wang, Z., Bolan, N., Sullivan, L. (2017) Oxidative transformation of iron monosulfides and pyrite in estuarine sediments: Implications for trace metals mobilisation. Journal of Environmental Management, 186, pp. 158-166.

2016

Johnston, S.G., Burton, E.D., Moon, E.M. (2016) Arsenic Mobilization Is Enhanced by Thermal Transformation of Schwertmannite. Environmental Science and Technology, 50 (15), pp. 8010-8019.

2013

Moon EM; Peacock CL (2013) Modelling Cu(II) adsorption to ferrihydrite and ferrihydrite-bacteria composites: Deviation from additive adsorption in the composite sorption system, Geochimica et Cosmochimica Acta, 104, pp.148-164. doi: 10.1016/j.gca.2012.11.030

Nielsen SG; Wasylenki LW; Rehkamper M; Peacock CL; Xue Z; Moon EM (2013) Towards an understanding of thallium isotope fractionation during adsorption to manganese oxides, Geochimica et Cosmochimica Acta, 117, pp.252-265. doi: 10.1016/j.gca.2013.05.004

2012

Moon, E.M. and Peacock, C.L. (2012) Adsorption of Cu(II) to ferrihydrite and ferrihydrite-bacteria composites: Importance of the carboxyl group for Cu mobility in natural environments. Geochimica et Cosmochimica Acta 92, 203-219. doi: 10.1016/j.gca.2012.06.012

Peacock, C.L. and Moon, E.M. (2012) Oxidative scavenging of thallium by birnessite: Explanation for thallium enrichment and stable isotope fractionation in marine ferromanganese precipitates. Geochimica et Cosmochimica Acta 84, 297-313. doi: 10.1016/j.gca.2012.01.036

2011

Moon, E.M. and Peacock, C.L. (2011) Adsorption of Cu(II) to Bacillus subtilis: A pH-dependent EXAFS and thermodynamic modelling study. Geochimica et Cosmochimica Acta 75, 6705-6719. doi: 10.1016/j.gca.2011.08.004

Conference proceedings

Peacock, C.L. and Moon, E.M. (2013) Bioessential metal sorption at ferrihydrite-bacteria interfaces. Mineralogical Magazine 77(5), 1940. 10.1180/minmag.2013.077.5.16

Peacock CL, Nielsen SG, Wasylenki L, Moon EM & Rehkamper M (2012) Deciphering the Cenozoic Tl Isotope Record of Marine Ferromanganese Crusts- New Evidence from Adsorption Experiments. Mineralogical Magazine, 76(6), 2212.

Moon, E.M. and Peacock, C.L. (2010) Modelling trace-metal sorption to bacteriogenic iron oxides: Cu(II) and bacteriogenic ferrihydrite. Geochimica et Cosmochimica Acta, 74(12), Supp 1, A723.

Moon, E.M. and Peacock, C.L. (2009) Cu(II) sorption to Bacillus subtilis and bacteriogenic ferrihydrite: Insights from XAS spectroscopy. Geochimica et Cosmochimica Acta, 73(13), Supp 1, A898.

Peacock, C.L., Moon, E.M., Nielsen, S.G. and Halliday, A.N. (2009) Oxidative scavenging of Tl by Mn oxide birnessite: Sorption and stable isotope fractionation. Geochimica et Cosmochimica Acta, 73(13), Supp 1, A1003.

Other

Peacock C.L. and Moon E.M. (2013) Copper-carboxyl binding provides a ubiquitous control on copper mobility in natural environments. Diamond Light Source Annual Review 2012/13. Available at http://diamond.ac.uk/Home/About/Corporate-Literature.html