Methodology transfer for the simulation of mineral and coal processing plants

Abstract Mathematics, process theory, process practice and computer applications are the main disciplines that contribute to developing useful techniques for computer simulation of mineral and coal processing plants. As in any multidisciplinary effort, communication or transfer mechanisms must be developed to facilitate the flow of experience between participants of different backgrounds. These mechanisms include written reports, verbal communications, workshops and transfer of computer programs. The SPOC project at CANMET is devoted to computer simulation and as such has addressed, or will address in the near future, problems inherent to methodology transfer. The first major output of the project was the material balance program, MA TBAL2, which has been acquired by over 30 organizations. Program documentation, industrial workshops and summer student programs have been used to effect the transfer. This experience is discussed and the future outlined.
Keywords: Mineral processing, Methodology transfer, Coal processing, Modelling, Simulation, Computers, SPOC project, Material balances, MATBAL2.
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Summary: Audiometric testing is a key element in hearing conservation in the mining environment. This paper gives the history of the audiometric testing program carried out by Inco Metals Company, including the program objectives, the personnel and equipment involved, calibration and testing, the test procedure, and the classification and evaluation of the test results.
Publication: CIM Bulletin
Author(s): LJ. VISENTIN, J.G. RICKABY
Keywords: Mine safety, Audiometric testing, Inco Metals, Hearing conservation, Noise, Computers.
Issue: 840
Volume: 75
Year: 1982
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Summary: This paper describes the sinking of a circular concrete ventilation shaft through 110 feet of water-bearing overburden. The brine circulation freezing method was used to stabilize the walls during excavation. In order to take advantage of the cold winter weather, a custom-built heat exchanger (natural radiator) was installed in place of the standard mechanical refrigeration plant.
Publication: CIM Bulletin
Author(s): MORRIS MEDD, JOHN DE LA VERGNE
Keywords: Mining methods, Shaft sinking, Overburden, Freezing, Concrete shafts, Ventilation shafts, Heat exchangers, Brine, Lining.
Issue: 840
Volume: 75
Year: 1982
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Summary: The stability of calcium arsenate is discussed in relation to the possible misuse of lime in the treatment of gold processing waste waters. Stability diagrams have been derived and experimental results cited to show that calcium arsenate has a higher solubility in neutral to alkaline solution than has previously been recognized and this solubility is further enhanced by the presence of carbon dioxide, bicarbonate or carbonate.
Publication: CIM Bulletin
Author(s): ROBERT G. ROBINS
Keywords: Mineral processing, Gold processing, Arsenic removal, Lime, Calcium arsenate.
Issue: 840
Volume: 75
Year: 1982
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Summary: Most of the recent large discoveries of zinc, lead and silver in Western Canada are Paleozoic-aged stratiform deposits that occur within the limits of the tectonic sub-province of the Canadian Cordillera known as Selwyn Basin. Bounded on either side by coeval carbonate platforms, Selwyn Basin trends northwest for 1300 km from northeast British Columbia to Alaska. Paleozoic rocks of Selwyn Basin consist primarily of chert, shale and coarser-grained clastic sedimentary rocks with minor volcanic...
Publication: CIM Bulletin
Author(s): R.C. CARNE, R.J. CATHRO
Keywords: Mineral exploration, Sedimentary deposits, Exhalative deposits, Zinc deposits, Lead deposits, Silver deposits, Cordillera, Selwyn Basin, Road River Formation, Black Clastic Group, Anvil camp, Howards Pass camp, Macmillan Pass camp, Gataga camp, Mineralization.
Issue: 840
Volume: 75
Year: 1982
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Summary: Aeromagnetic data can be useful in helping to delineate structure and rock types in gold exploration. Magnetic anomalies associated with Archean volcanic belts in northeastern Ontario can be quickly and effectively analyzed in profile form with the use of model curves. The model curves help to locate contacts between strata. They also help to estimate the magnetite content of the rocks and their depth beneath overburden.An aeromagnetic map of part of Catharine Township, Ontario has been...
Publication: CIM Bulletin
Author(s): RAYMOND J. PICHETTE
Keywords: Mineral exploration, Aeromagnetic data, Gold exploration, Ontario, Magnetic anomalies, Volcanic rocks, Geophysical exploration, Overburden.
Issue: 840
Volume: 75
Year: 1982
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Summary: As the 1981 annual reports of Canadian mining companies one by one see the light of day, it becomes clear that softer metal prices and rising costs are the main problems which beset the industry today. These problems are certainly not lightened by that familiar monster lurking in the shadows—taxation! Recent taxation trends in Canada, and the existing tax regimes for the mining industry, continue to be a major bugaboo.This examination by "Tax Notes" of the impact of current...
Publication: CIM Bulletin
Author(s): ROBERT B. PARSONS
Issue: 840
Volume: 75
Year: 1982
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Summary: The ore-element patterns in regional lake sediment geochemical survey data from four areas of Newfoundland containing granite-related mineralization reveal characteristics which can be used to identify mineralized granitoids. The St. Lawrence Granite with its fluorite deposits, the Ackley Granite with molybdenite mineralization, the Grey River tungsten lodes and the newly discovered Mo-W mineralization at Granite Lake, Central Newfoundland, have all been included in the regional lake sediment...
Publication: CIM Bulletin
Author(s): P.M. DAVENPORT
Keywords: Mineral exploration, Geochemistry, Granitoid plutons, Lake-sediment surveys, St. Lawrence Granite, Ackley Granite, Grey River, Granite Lake, Fluorite, Molybdenite, Tungsten, Mineralization.
Issue: 840
Volume: 75
Year: 1982
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Summary: The Athabasca Basin has been the scene of an intense exploration effort since the late 1960s, resulting in the establishment of this area as one of the major uranium districts in the world.The Athabasca Group is of Helikian age and unconform-ably overlies metamorphic rocks of Aphebian and Archean age. Most of the known uranium deposits have a close spatial relationship with the unconformity, graphitic meta-sediments, major northeast-trending structures and the basin edge. It should be noted...
Publication: CIM Bulletin
Author(s): R.J. McH. CLARK, L.A. HOMENIUK, R. BONNAR
Keywords: Mineral exploration, Uranium geology, Athabasca Basin, Proterozoic basins, Rabbit Lake deposit, Cluff Lake deposit, Key Lake deposit, Fond du Lac deposit, Baker area, Thelon area, Hornby Bay area, Dismal Lakes area, Sibley Group, Animikie Group, Sims Formation, Baffin Island, Ramah Group, Labrador Trough, Seal Lake area, Bathurst Inlet, Martin Formation, Sakami Formation, Avalon Zone, Circum-Ungava Geosyncline, Nonacho Group.
Issue: 840
Volume: 75
Year: 1982
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Summary: Important stratabound lead-zinc deposits in southeastern B. C. occur in rocks that range in age from Proterozoic Helikian to Middle Cambrian. The Sullivan deposit, and similar but smaller deposits in the Sullivan area are the only important deposits that occur in clastic rocks with little carbonate content. The highly deformed and metamorphosed Shuswap deposits, of probable Hadrynian to Helikian age, are in mixed marble, calc-silicate gneiss and pelitic schist assemblages, rocks transitional...
Publication: CIM Bulletin
Author(s): TRYGVE HOY
Keywords: Mineral exploration, Stratigraphy, Stratabound deposits, Lead deposits, Zinc deposits, British Columbia, Purcell Group, Sullivan Mine, Kootenay King deposit, Shuswap Metamorphic Complex, Frenchman Cap deposits, Cottonbelt property, River Jordan property, Kootenay Arc deposits, Reeves-MacDonald Mine, Duncan deposit, Monarch deposit, Kicking Horse deposit, Shag Creek showings, Silver Giant Mine, Jubilee Mountain prospect, SOAB claims.
Issue: 840
Volume: 75
Year: 1982
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Summary: Potentially economic stratiform barite-sulphide deposits have recently been discovered in Devonian basinal fades rocks of the Kechika Trough of northeast British Columbia. This new mineral district is over 180 kilometres long and includes nine major occurrences, namely Driftpile Creek, Bear, Mount Al-cock, Cirque, Fluke, Pie, Elf, Kwadacha and Sika. The Cirque is the largest known deposit, with reserves of at least 30 million tonnes averaging 10 per cent combined lead-zinc and 47 grams per...
Publication: CIM Bulletin
Author(s): D.G. MaclNTYRE
Keywords: Mineral exploration, Stratiform deposits, Barite deposits, Sulphide deposits, British Columbia, Kechika Trough, Driftpile Creek occurrence, Bear occurrence, Mount Alcock showing, Cirque deposit, Pie claims, Fluke claims, Elf claims, Kwadacha deposit, Sika deposit.
Issue: 840
Volume: 75
Year: 1982
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Summary: Transfer points on belt conveyors have long been a source of problems for both designers and users. Conveyors are generally given a low priority in new equipment layout, thus designers are often forced to compromise due to space limitations. Consequently, for this reason as well as for reasons of initial economics, many conveyors are supplied with less than adequate transfer points.Although not intended as a cure-all, a number of existing installations have been modified with the result that...
Publication: CIM Bulletin
Author(s): DOUGLAS G. JAY
Keywords: Material handling, Equipment, Catenary idlers, Conveyors, Belt conveyors, Spillage prevention, Energy absorption.
Issue: 840
Volume: 75
Year: 1982
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