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Conference Proceedings

Green Processing 2002 HC

Conference Proceedings

Green Processing 2002 HC

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The Stanwell Magnesium Project - Providing New Environmental Standards for Magnesium Production

The Australian Magnesium Corporation Limited (AMC) is constructing the world's largest magnesium metal plant at Stanwell, 24 km west of Rockhampton in Central Queensland. The $1.3 billion, 97 000 tonne per year plant is scheduled to commence production in mid-2004. It will produce magnesium from magnesite using the innovative, locally developed AM Process Technology which enables magnesium to be produced at internationally competitive costs. The technology will enable the plant to have the lowest environmental impact of all the available magnesium production processes. The project will meet current world-best-practice environmental and emission standards while on a life cycle analysis, magnesium produced by the Stanwell plant will result in net reduction in global greenhouse gas emissions._x000D_
Magnesium is the lightest of the structural metals. Its high strength to weight ratio and ease of casting and machinability makes it particularly suitable for the manufacture of light weight automotive components. Reducing the weight of motor vehicles through the use of light weight materials such as magnesium is the current primary means adopted by the automobile manufacturing industry to improve motor vehicle fuel efficiency and the lowering of emissions of greenhouse gases._x000D_
The Australian Magnesium or AM process has been developed over the past decade by AMC in conjunction with the CSIRO to produce magnesium from magnesite mined at AMC's Kunwarara deposit. Over $200 million has been spent developing the AM process, designing, building and operating a demonstration plant at Gladstone and to complete an environmental impact statement and receive environmental approvals as well as funding for the commercial Stanwell Project._x000D_
The paper outlines the development of the AM process technology, the operations of the Gladstone demonstration plant confirming the process technology, its operating costs and environmental performance. The paper covers the particular attention that was given to minimising the production of CHC's, the development of new cover gases for molten magnesium, the minimising of emissions of greenhouse gases and the life cycle analysis of magnesium as a replacement for steel and heavier metals in motor vehicles which confirmed its use resulted in a net reduction in global greenhouse gas emissions. The project received both Commonwealth and Queensland Government environmental approvals by August 2000.
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  • Published: 2002
  • PDF Size: 0.423 Mb.
  • Unique ID: P200204015

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