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MEI Online: MEI Conferences: Bio- & Hydrometallurgy 07: Technical Programme

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Tuesday May 1st

Technical Session 1- Bio and Hydrometallurgical Treatment of Ores

Specific quantification of bacteria inhabiting a low-grade copper ore bioleaching test heap at Escondida mine in Chile by DGGE and real time PCR
C. Demergasso et al (Universidad Catolica del Norte, Chile), D. Rautenbach and S.J. van Rensburg (BHP-Billiton, South Africa)

Response of thermophiles to the simultaneous addition of sulfur and ferric ion to enhance bioleaching of chalcopyrite
J. Vilcaez, K. Suto and C. Inoue (Tohoku University, Japan)

Bioleaching of a low-grade complex sulphide ore using mixed mesophilic bacterial culture
P.A. Olubambi, J.H. Potgieter, S. Ndlovu (University of the Witwatersrand, South Africa) and J.O. Borode (Federal University of Technology, Nigeria)

Effect of pH on rates of iron and sulfur oxidation by bioleaching organisms
J.J. Plumb, R. Muddle and P.D. Franzmann (CSIRO Land and Water, Australia)

Bioshale FP6 European project: Search for a sustainable way of exploiting black shale ores using biotechnologies
P. d’Hugues (BRGM, French Geological Survey, France), A. Grotowski (KGHM Cuprum, France), W. Charewicz (Wroclaw University of Technology, Poland), T. Farbiszewska (University of Opole, Poland), A. Sklodowska (Warsaw University, Poland), J. Langwaldt (GTK Finnish Geological Survey, Finland), K. Loukola-Ruskeeniemi (Helsinki University, Finland), F. Sanchez (Tecnicas Reunidas, Spain), B. Johnson (University Wales, Bangor, UK), P. Norris (Warwick University, UK), F. Glombitza (GEOS), S. Groudev (University of Sofia, Bulgaria) and J. Pasava (Czech Geological BRGM, France)

Recovery of copper by flotation of microbially pretreated black shales
S. Groudev, I. Spasova, M. Nicolova (University of Mining & Geology, Bulgaria), T. Chmielewski and A. Luszczkiewicz (Wrclaw University of Technology, Poland)

Heterotrophic and autotrophic bioleaching of middling from flotation of Lubin mine
E. Jazdzyk, Z. Sadowski and A. Szubert (Wroclaw University of Technology, Poland)

A kinetics of black shale-type ores bioleaching in column
A. Szubert, Z. Sadowski and M. Lupinski (Wroclaw University of Technology, Poland)

Extremely thermophilic bioleaching of complex multimetal sulphidic ore in STR
J. Langwaldt (Geological Survey of Finland, Finland)

On the surface chemistry of biosorption of rhodococcus opacus and its effect in calcite and magnesite flotation
A.E.C. Botero, M.L. Torem (Catholic University of Rio de Janeiro, Brazil) and L.M.S de Mesquita (Brazilian Petroleum Agency, Brazil)

Bioflotation and bioflocculation studies on sulphide minerals using Acidithiobacillus group bacteria
A. Vilinska, K. Hanumantha Rao and E. Forssberg (Lulea University of Technology, Sweden)


Technical Session 2- Treatment of ores by Hydrometallurgical Methods

Leaching of sphalerite in H2SO4 solutions containing H2O2 and complexing agents
E.T. Pecina, T.K. Franco, P. Castillo and E. Orrantia (CIMAV, Mexico)

Effect of the G/L flow relation in a packed column on the copper leaching from ores at room temperature
C.G. García-Ramírez et al (Tecnológico de Estudios Superiores de Ecatepec, Mexico) and R.E. Rivera-Santillán (Universidad Autónoma de México, Mexico)

Characterisation of uranium leaching behaviour for low grade ores
M.J. Lottering, L. Lorenzen (University of Stellenbosch, South Africa), N.S. Phala and J Smit (Anglo Research, South Africa)

Recovery of precious metals by using lignophenol compounds
K. Inoue et al (Saga University, Japan) and M. Funaoka (Mie University, Japan)

Liquid-liquid extraction of rhodium from aqueous solutions of Rh(III)-Sn(II)-Cl- by a N, N’ - tetra-substituted malonamide
P. Malik and A.P. Paiva (DQB-FCUL, Portugal)


Wednesday May 2nd


Technical Session 3 - Bio and Hydrometallurgical Treatment of Wastes

Biosorption of lead(II), chromium(III) and copper(II) by r. opacus: equilibrium and kinetic studies
B.Y.M. Bueno, M.L. Torem (Catholic University of Rio de Janeiro, Brazil) and L.M.S. de Mesquita (Brazilian Oil Agency, Brazil)

Metal recovery from spent refinery catalysts by "two-stage" bioleaching process
D. Mishra, D.J. Kim, J.G. Ahn, K.H. Park (Korea Institute of Geosciences and Mineral Resources, South Korea) and Y.H. Rhee (Chungnam National University, South Korea)

Research on process integration of the iron bacteria oxidization and the neutralization parts for acid mine drainage treatment
N. Masuda (Japan Oil, Gas & Metals National Corporation, Japan)

Biosorption of metals from acid mine drainage by fixed bed column
R. Marandi and M. Safaei (Islamic Azad University, Iran)

Application of agricultural wastes for heavy metal removal in biological permeable reactive barriers: biosorption and bioprecipitation
F. Pagnanelli et al (University of Rome "La Sapienza"), F. Vegliò (University of L’Aquila, Italy) and F. Beolchini (Polytechnic University of Marche, Italy)

Kinetic evaluation of the sorption of platinum ions from aqueous solution by immobilized Saccharomyces cerevisiae biomass
C.L. Mack, B. Wilhelmi, J.R. Duncan and J.E. Burgess (Rhodes University, South Africa)

Separation of nutrients from mine water for biological treatment by reverse osmosis
K. Häyrynen (University of Oulu, Finland), M. Mänttäri (Lappeenranta University, Finland), G. Zaitsev (Finnish Forest Research Institute, Finland) and J. Langwaldt (Geological Survey of Finland, Finland)

Inducing sulfate reducing bacteria in the saturated zone near a non-ferrous industry
K. Vanbroekhovenet al (VITO, Belgium), P. Verkaeren (MWH, Belgium), L. Zeuwts (Smet GWT, Belgium), F. van den Broeck and K. Feyaerts (Umicore, Belgium)

Removal of metal from wastewaters using fungal bioaccumulation
B.A. Moore, J.R. Duncan and J.E. Burgess (Rhodes University, South Africa)


Technical Session 4- Treatment of Wastes by Hydrometallurgical Operations

Pure ZnO from Waelz oxide through an advanced hydrometallurgical process
J. Nuñez et al (Tecnica Superior de Ingenieria de Bilbao, Spain)

Zinc recovery from a galvanizing industry effluent by solvent extraction
G.C. Garducci et al (Universidade Federal de Minais Gerais, Brazil)

Carrier-in-pulp method as a new hydrometallurgical route to reject and recover Pb from MSW melting fly ash
R.D. Alorro, S. Mitani, N. Hiroyoshi and M. Tsunekawa (Hokkaido University, Japan)

Extraction and separation of Fe(III) from sulphate / chloride medium with alkylphosphines
A. Deep and J.M.R. de Carvalho (Instituto Sperior Tecnico, Portugal)

Optimization of ferrous scrap dissolution for the recovery of Fe, Ni, Cr and Mo powders by a hydrometallurgical process
A. Moutsatsou, C. Sotiriou (National Technical University of Athens, Greece) and V. Karayannis (Technological Educational Institute of West Macedonia, Greece)

Recovery of zinc and manganese from spent batteries by reducing acid leaching
F. Beolchini (Polytechnic University of Marche, Italy), I. De Michelis et al (University of L’Aquila, Italy) and F. Pagnanelli et al (University of Rome "La Sapienza", Italy)

Waste electrical and electronic equipment’s behaviour in acid and alkali media
A. Moutsatsou, L. Georgakopoulos and I. Masavetas (National Technical University of Athens, Greece)

Recovery of base metals and precious metals from electronic scrap chloride leach solutions
T. Mahlangu and N. Mulaudzi (University of Pretoria, South Africa)



Growth and activity of pure and mixed bioleaching strains on low grade chalcopyrite ore
J.J. Plumb, P.D. Franzmann (CSIRO Land and Water, Australia) and N.J. McSweeney (University of Western Australia, Australia)

Characterization and extraction studies of rare earth elements from apatite concentrate of Chadormalu plant (Iran)
E. Jorjani and A.H. Bagherieh (Islamic Azad University, Iran)

Bio-hydrometallurgical approach in processing of low grade Indian uranium ore in column reactor
Abhilash, K.D. Mehta, V. Kumar and B.D. Pandey (National Metallurgical Laboratory, India)

On the fundamentals of Cr3+ removal from liquid streams by a bacterial strain
B.A. Calfa and M.L. Torem (Catholic University of Rio de Janeiro, Brazil)

Wet process for synthesizing Mn-Zn ferrite powder from spent zinc-carbon battery scrap
Shun-myung Shin et al (Korea Institute of Geosciences & Mineral Resources, Korea) and Jin-gu Kang (University of Science & Technology, Daejeon, Korea)

Solvent extraction of Cu(I) from chloride solution using tri-butyl phosphate (TBP) diluted in 1-octanol
Jae-chun Lee et al (Korea Institute of Geoscience & Mineral Resources, Korea) and Zhu Tun (Chinese Academy of Sciences, China)

Preferential leaching of zinc and manganese from spent zinc-carbon battery scrap with ammoniacal leaching using ammonium carbonate
Jin-gu Kang (University of Science & Technology, Daejeon, Korea) and Shun-myung Shin et al (Korea Institute of Geoscience & Mineral Resource, Korea)

Behavior of electrochemical reactions at anode during leaching of copper using electro-generated chlorine
Eun-young Kim (University of Science & Technology, Daejeon, Korea) and Min-seuk Kim et al (Korea Institute of Geoscience & Mineral Resources, Korea)

Removal of total nitrogen from cold mine water by biofilm-reactors
G. Zaitsev (Finnish Forest Research Institute, Finland) and J. Langwaldt (Geological Survey of Finland, Finland)

Importance of roasted sulphide ores characterization in the hydrometallurgical zinc extraction
J.C. Balarini, L.O. Polli, T.L.S. Miranda, R.M.Z. Castro and A. Salum (Universidade Federal de Minas Gerais, Brazil)

Microorganism behavior and arsenic emission under protracted storage of arsenic-bearing materials
V.A. Luganov et al (K.I. Satpaev Kazakh National Technical University, Kazakhstan)

Solvent extraction of the basis non-ferrous metals with bifunctional agents
G.A. Ussoltseva, A.O. Baikonurova and V.A. Luganov (K.I. Satpaev Kazakh National Technical University, Kazakhstan)

Gold recovery from “easy to dismantle” chips taken out from printed circuit boards
A. Manni (Inter Universitary Consortium of Georesource Engineering, Italy), M. Ferrini, and P. Massacci (University of Rome “La Sapienza”, Italy)

Possibilities to use oxidic by-products for precipitation of Fe/As from leaching solutions for subsequent base metal recovery
M.L. Cunha (CENIMAT, Portugal), C.S. Gahan, Å. Sandström (Lulea University of Technology, Sweden) and N. Menad (BRGM-EPI/ECO, France)

Enhanced leachability of gold and silver in cyanide media: effect of alkaline pretreatment of jarosite minerals
K. Kasongo, N. Naude, H. Kasaini (Tshwane University of Technology, South Africa) and J. Katabua (Exxaro Technology, South Africa)



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