process and it is transported to ponds in order to dispose it there. # 10 tonnes of bauxite are required to produce 1 tonne of aluminium‚ using this process. Total cost – AU$1 632 per tonne. Energy: # Bayer process – when bauxite is refined to create alumina it requires 15 000 MJ of energy per tonne. # Electrolytic reduction - when alumina is refined to create aluminium it request 100 000 amps per tonne. # Refineries and smelting factories they need their own power plant because of the amount
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Introduction to Automotive Systems Technology Assignment No.1 Research and discuss the use of steel as a material for the construction of vehicle bodywork and also the reasons why Glass fibre or Aluminium may be used. Benjamin Lichtenberg DT007/1 Submission Date: Monday 6th November 2006 After wood became obsolete as a building material for automotive chassis and bodies‚ steel became the most popular material for the Automotive Industry to use for vehicle bodies. In 1922 the American
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ACKNOWLEDGEMENT It gives me immense pleasure to take this opportunity to acknowledge all those whose guidance and encouragement served as platform for completing this project. I do express my deep sense of gratitude to…………………‚ for giving me the necessary guidance on this project. I would like to convey my best regards with lot of thanks to all the persons of NALCO‚ who gave me their kind cooperation‚ cordiality and guidance for making this project a successful one
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Type of metal Zinc Brasses Bronzes Aluminium Aluminium alloys Tin Amount of shrinkage (%) 2.60 1.30-1.55 1.05-2.10 1.65 1.30-1.60 2.00 In practice‚ pattern makers use a special rule or scale‚ called the “pattern maker’s contraction rule”‚ which‚ after providing with necessary allowance‚ is slightly longer than the ordinary rule of the same length. The graduations are oversized by a proportionate amount‚ for example‚ when constructing a pattern for aluminium alloys‚ the pattern maker uses a contraction
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SPELT analysis for VEDANTA By Santram Bantram Singh Socio-cultural factors: Dongria-Kondh tribe which inhabits the upper reaches of the hilly forest of Orissa. Vedanta operates hospitals and health posts extending health services to tribal people. This includes health care‚ diagnostic and treatment services. The rehabilitation colony was constructed by Vedanta
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Formula of oxide Na2O2 MgO Al2O3 SiO2 P4O10 Cl2O Melting Point (C) 460 2825 2072 1700 340 -120.6 Boiling Point (C) 657 3600 2977 2230 360 2.2 State at STP Solid Solid Solid Solid Solid Liquid Action of water Dissolve in water and form alkaline solution Slightly dissolve in water and form alkaline solution Insoluble in water Insoluble in water Dissolve in water and form acidic solution Dissolve in water and form acidic solution pH of aqueous solution
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Organisational Behaviour. The Volta Aluminium Company Limited (VALCO) is an aluminium reduction facility (smelter) located in the industrial seaport city of Tema‚ east of the capital city of Accra. VALCO was originally jointly owned by Kaiser Aluminium and Chemical Corporation (KACC) - 90% and Reynolds Metals Company .The Government of Ghana purchased the 90% shares of KACC in October 2004 and subsequently completed acquisition in June 2008. Therefore‚ currently VALCO is solely owned by the
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the casting. When doing this all vertical edges must be tapered as to make it easier to lift the pattern out of the mould. - Contraction allowances have to be added to the pattern because it shrinks in size in all dimensions. In this case it’s Aluminium‚ which has a contraction allowance of 1.3%. - Machining allowance: Castings are usually machined so that they fit perfectly with mating components. So therefore extra material should be added for machining. This can range from 1 - 35mm. - The pattern
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PREFACE The report has been intended to reflect some of the basic issues covered under the “Working Capital Management” of Hindalco Industries Ltd.‚ a first truly MNC in India. All the aspects have been formulated and presented on the basis of the ideas and information gathered by the investigator during the span of project training. This gives a practical exposure of the content under topic‚ what has already been studied in classroom in theoretical form. This report has been written
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1. INTRODUCTION SilCote aluminum pigment is manufactured by mixing aluminum paste with Monomer‚ SR-350 (trimethylolpropane trimethancrylate) and additive‚ Z-6040 which is an epoxy-functional Silane (3-glycidoxypropyl trimethoxy silane)‚ in a jacketed mixer with the presence of catalyst‚ ABIN (azo-bis-isobutyronitrile). White spirit‚ acts as the carrier solvent in the process. 2. PROCESS FLOW The aluminum paste is first loaded into the jacketed mixer‚ followed by introducing a pre-determined
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