EMC ’91: Non-Ferrous Metallurgy—Present and Future

Mineral Processing.- Design of non-cyanide technology for flotation of lead-zinc ores: energy prerequisites, implementation and results.- Recovery of gold and silver from plumbojarosite-containing hematite tailings by alkaline pretreatment and cyanidation.- Grinding of the ‘Jales de Santa Julia de la Compañía Real del Monte y Pachuca’, SA de CV, Mexico.- Lead and Tin.- Lead blast-furnace evolution: a new approach.- Das QSL-Verfahren in Stolberg.- Hydrogen reduction of cassiterite concentrates.- Hydrometallurgy.- Ammonium jarosite formation in ferric chloride leaching processes.- Jarosite precipitation during acid pressure leaching of zinc leach residue—application of factorial design and characterization of leach residue.- Selective recovery by precipitation of selenium and mercury from acid leaching solutions.- Bioleaching of complex sulphides with different cultures of mesophilic microorganisms.- Recovery of copper by dump leaching with use of bacteria and cementation at the Vlaikov Vrah mine, Bulgaria.- Ferrite behaviour in the processing of complex copper-zinc sulphide concentrates.- Limitation of lead jarosite formation in the leaching of calcine from high-iron Zn-Pb-Cu concentrates.- Nickel.- Intensification of the reductive-roast ammonia leaching process for nickel lateritic ores.- Ecological pyro-hydrometallurgical technology of nickel pyrrhotite concentrate treatment with non-traditional and reagentless recovery of sulphur dioxide from low concentrated gases.- Treatment of nickeliferous pyrrhotite.- Development of nickel smelting at Jinchuan Nickel Smelter, China.- Extraction of Co(II) and Ni(II) with Cyanex 272.- Copper.- Technological and technical problems of copper production from chalcosine concentrates in a flash furnace.- Flash technology forconverting.- Minor-element behaviour in copper-making.- Electrochemical reductive conversion of chalcopyrite with SO2.- Recycling.- Automotive exhaust catalysts: PGM usage and recovery.- Recovery of metals from spent catalysts in a DC plasma furnace.- Recovery of rare earths from spent FCC catalysts.- Vibration technique for recovery of non-ferrous, rare and noble metals from secondary raw materials.- Car scrap recycling towards 2000.- Sekundäraluminium im Automobil—Einsatz und Rückgewinnung.- Les fours tournants dans l’industrie européenne de la récupération des métaux non-ferreux.- The TBRC as a unit with a promising future for secondary copper plants.- Lead and copper recycling in the Boliden Kaldo.- Minor Metals.- Purity and long-term stability of 8-hydroxyquinoline-based metal extractants.- Improved technology for In, Ge and Ga recovery in an electrolytic zinc plant.- Production of molybdic trioxide by high-temperature oxidation of molybdenite in a cyclone reactor.- Trends in the development of processes for recovery of rare metals.- La lixiviation chlorurante d’alliages Fe-Si: une voie d’avenir dans la production du silicium?.- Recovery of vanadium from slags by sulphiding.- Electrolytic reduction of Eu (III) in acidic chloride solutions.- Environment.- Best available technology—a viewpoint on the development and application of the concept to the European non-ferrous industry.- Environmental legislation and advances in tailings disposal technology in North America and Europe.- Contaminated soil treatment technologies.- Recovery of non-ferrous metals from residues of integrated steel works.- Simultaneous microbial removal of sulphate and heavy metals from waste water.- New biological treatment plant for heavy metal contaminated groundwater.- Silverplating from thiosulphate baths.- Use of peroxygens in treating cyanide effluents from gold processing.- Mechanisms of uptake of metal complexes and organics on carbon and resins: their modelling for the design of multi-component adsorption columns.- Light Metals.- Status and challenges for modern aluminium reduction technology.- New approach to acid methods for special alumina production.- Hazelett twin-belt aluminium strip-casting process: caster design and current product programme of aluminium alloy sheet.- Surface engineering of aluminium and its alloys.- Modelling.- Time-dependent simulation of Czochralski growth: application to the production of germanium crystals.- Steady-state self-regulating simulation model applied to design of a new hydrometallurgical process for recovery of non-ferrous metals.- Modelling in a Pachuca tank—flow and mixing phenomena.