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Publications: Ralph, David

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Number of items: 33.

2014

Mullett, M., Fornarelli, R. and Ralph, D. (2014) Nanofiltration of mine water: Impact of feed pH and membrane charge on resource recovery and water discharge. Membranes, 4 (2). pp. 163-180.

Minakshi, M., Ralph, D.E., Singh, P. and Yin, C-Y (2014) New insights into the electrochemical behavior of hematite (α-Fe2O3) microparticles in strong aqueous basic electrolyte: formation of metallic iron. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 45 (5). pp. 2023-2029.

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2014) The effects of nitrate on substrate utilisation by some iron(II)- and sulfur-oxidising Bacteria and Archaea. Hydrometallurgy, In press .

2013

Candy, R.M., Blight, K.R. and Ralph, D.E. (2013) Analysis of the bacterial sulphur system. Advanced Materials Research, 825 . pp. 190-193.

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2013) Substrate utilisation and chalcopyrite concentrate bioleaching at 60°c in the presence of nitrate. Advanced Materials Research, 825 . pp. 435-438.

Shiers, D.W., Ralph, D.E., Bryan, C.G. and Watling, H.R. (2013) Substrate utilisation by Acidianus brierleyi, Metallosphaera hakonensis and Sulfolobus metallicus in mixed ferrous ion and tetrathionate growth media. Minerals Engineering, 48 . pp. 86-93.

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2013) The effect of ferrous iron addition during tetrathionate utilisation by some sulfobacillus species. Advanced Materials Research, 825 . pp. 447-450.

Minakshi, M. and Ralph, D. (2013) A novel Sodium-Ion rechargeable battery. ECS transactions, 45 (29). pp. 95-102.

2012

Minakshi, M., Singh, P., Ralph, D., Appadoo, D., Blackford, M. and Ionescu, M. (2012) Structural characteristics of olivine Li(Mg0.5Ni0.5)PO4 via TEM analysis. Ionics, 18 (6). pp. 583-590.

Blight, K.R., Candy, R.M., Menzel, M.J.M. and Ralph, D.E. (2012) Total dissolved solids and their effects on iron oxidation by chemolithotrophic cells. Hydrometallurgy, 125-126 . pp. 109-114.

2011

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2011) Batch culture of Acidithiobacillus caldus on tetrathionate. Biochemical Engineering Journal, 54 (3). pp. 185-191.

Yin, C-Y, Minakshi, M., Ralph, D.E., Jiang, Z-T, Xie, Z. and Guo, H. (2011) Hydrothermal synthesis of cubic α-Fe2O3 microparticles using glycine: Surface characterization, reaction mechanism and electrochemical activity. Journal of Alloys and Compounds, 509 (41). pp. 9821-9825.

Minakshi, M., Ralph, D., Blackford, M. and Ionescu, M. (2011) LiNiPO4 aqueous rechargeable battery. In: 219th ECS Meeting , 1 - 6 May, Montreal, Canada pp. 281-292.

Minakshi, M., Sharma, N., Ralph, D.E., Appadoo, D. and Nallathamby, K. (2011) Synthesis and characterization of Li(Co0.5Ni0.5)PO4 cathode for Li-Ion aqueous battery applications. Electrochemical and Solid-State Letters, 14 (6). A86-A89.

2010

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2010) A comparative study of substrate utilisation by Sulfobacillus species in mixed ferrous ion and tetrathionate growth medium. Hydrometallurgy, 104 (3-4). p. 363.

Watling, H.R., Watkin, E.L.J. and Ralph, D.E. (2010) The resilience and versatility of acidophiles that contribute to the bio-assisted extraction of metals from mineral sulphides. Environmental Technology, 31 (8). pp. 915-933.

2009

Candy, R.M., Blight, K.R. and Ralph, D.E. (2009) Specific iron oxidation and cell growth rates of bacteria in batch culture. Hydrometallurgy, 98 (1-2). pp. 148-155.

Shiers, D.W., Ralph, D.E. and Watling, H.R. (2009) Substrate utilisation by Sulfobacillus thermosulfidooxidans in mixed ferrous ion and tetrathionate growth medium. Advanced Materials Research, 71-73 . pp. 251-254.

Blight, K.R., Candy, R.M. and Ralph, D.E. (2009) The preferential oxidation of orthorhombic sulfur during batch culture. Hydrometallurgy, 99 (1-2). pp. 100-104.

2008

Blight, K.R. and Ralph, D.E. (2008) Aluminium sulphate and potassium nitrate effects on batch culture of iron oxidising bacteria. Hydrometallurgy, 92 (3-4). pp. 130-134.

Mishra, D., Kim, D-J, Ralph, D.E., Ahn, J-G and Rhee, Y-H (2008) Bioleaching of metals from spent lithium ion secondary batteries using Acidithiobacillus ferrooxidans. Waste Management, 28 (2). pp. 333-338.

Mishra, D., Kim, D.J., Ralph, D.E., Ahn, J.G. and Rhee, Y.H. (2008) Bioleaching of spent hydro-processing catalyst using acidophilic bacteria and its kinetics aspect. Journal of Hazardous Materials, 152 (3). pp. 1082-1091.

Blight, K.R. and Ralph, D.E. (2008) Maximum yield and standard enthalpy of growth of iron-oxidising bacteria. Hydrometallurgy, 93 (1-2). pp. 66-71.

Kim, D-J, Mishra, D., Park, K.H., Ahn, J.G. and Ralph, D.E. (2008) Metal leaching from spent petroleum catalyst by acidophilic bacteria in presence of Pyrite. Materials Transactions, 49 (10). pp. 2383-2388.

2007

Mishra, D., Kim, D.J., Ralph, D.E., Ahn, J.G. and Rhee, Y.H. (2007) Bioleaching of vanadium rich spent refinery catalysts using sulfur oxidizing lithotrophs. Hydrometallurgy, 88 (1-4). pp. 202-209.

Kim, D.J., Mishra, D., Ralph, D.E., Ahn, J.G. and Rhee, Y.H. (2007) Application of Mesophilic Mixed Micro-Organisms for Recovery of Valuable Metals from Spent Refinery Catalysts. In: Biohydrometallurgy: From the Single Cell to the Environment, 2 - 5 September 2007, Frankfurt am Main, Germany pp. 119-125.

2006

Mishra, D., Kim, D.J., Ralph, D.E., Ahn, G.J. and Rhee, Y.H. (2006) Bioleaching of valuable metals from waste cathode materials of the lithium ion battery industry using Acidithiobacillus ferrooxidans. In: Green Processing 2006 - 3rd International Conference on the Sustainable Processing of Minerals, 5-6 June 2006, Newcastle, NSW pp. 49-54.

2005

Shiers, D.W., Blight, K.R. and Ralph, D.E. (2005) Sodium sulphate and sodium chloride effects on batch culture of iron oxidising bacteria. Hydrometallurgy, 80 (1-2). pp. 75-82.

2004

Blight, K.R. and Ralph, D.E. (2004) Effect of ionic strength on iron oxidation with batch cultures of chemolithotrophic bacteria. Hydrometallurgy, 73 (3-4). pp. 325-334.

2002

McEwan, K. and Ralph, D. (2002) The i-BO™ process and related treatments for mine waste remediation. In: First International Conference on Brownfield Sites: Assessment,Rehabilitation and Development, 2 - 4 September, Cadiz, Spain pp. 525-532.

1997

May, N., Ralph, D.E. and Hansford, G.S. (1997) Dynamic redox potential measurement for determining the ferric leach kinetics of pyrite. Minerals Engineering, 10 (11). pp. 1279-1290.

1996

Scott, J.P., Fawell, P.D., Ralph, D.E. and Farrow, J.B. (1996) The shear degradation of high-molecular-weight flocculant solutions. Journal of Applied Polymer Science, 62 (12). pp. 2097-2106.

1995

Ralph, D.E. and Stevenson, J.M. (1995) The role of bacteria in well clogging. Water Research, 29 (1). pp. 365-369.

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