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An Application of exergy accounting to four basic metal industries

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The thermodynamic quantity known as exergy provides a systematic and uniform general-purpose indicator for both materials and energy resource inputs, useful product outputs, waste products and energy losses for any industrial process. An exergy balance groups together both mass and energy flows, thus providing a concise means of characterizing any materials transformation process. It links resource analysis, industrial engineering and environmental analysis. It can be used for assessing process efficiency, identifying potential opportunities for future technological advances, and it even provides a basis for first-order evaluation of the potential for harm associated with waste materials released into the environment. To demonstrate these capabilities an exergy accounting has been carried out for four metal industries: steel, aluminium, copper, and lead. Production processes have been analysed and compared in order to identify major inefficiencies as well as areas of potential risk for environment

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en

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application/pdf

Resource resource URL

http://flora.insead.edu/fichiersti_wp/inseadwp1996/96-65.pdf

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Copyright INSEAD. All rights reserved