Abstract
Thermodynamic analysis has greatly helped to compare and to improve the energy efficiency of all kinds of technological processes, and recently we have also attempted to analyze some important biochemical processes under intracellular conditions. This work has pointed to some key strategies on sustainable process operation and to the exceptionally high thermodynamic efficiencies of chemical and solar energy conversion in living cells.
From this it was expected that the sustainability strategies of specific biochemical processes and those of the ecosphere as a whole could be of guidance to current technological processes, especially now that there is a growing demand from government and industry to effectively deal with sustainability aspects in process analysis. Our focus on this issue has led to methodologies to quantify technological aspects of sustainability by making use of thermodynamic principles.
Three indicators were constructed to express three technological aspects of process sustainability. First, an indicator for the sustainability of resource utilization considers the thermodynamic input and the availability the resources used in the process. Secondly, an efficiency indicator focuses on the conversion and loss of thermodynamic quantities in the process itself. Thirdly, an indicator for environmental compatibility takes into account the thermodynamic input required to prevent possible negative side effects of the process, such as global warming or acid rain. The three indicators are used to reflect on (un)sustainable characteristics of current technological processes compared to biochemical processes. Finally, we address the drawbacks of combining indicator values to express overall sustain-ability.
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© 2004 Springer-Verlag Berlin Heidelberg
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Lems, S., van der Kooi, H.J., de Swaan Arons, J. (2004). Quantifying technological aspects of process sustainability: a thermodynamic approach. In: Sikdar, S.K., Glavič, P., Jain, R. (eds) Technological Choices for Sustainability. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-10270-1_16
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DOI: https://doi.org/10.1007/978-3-662-10270-1_16
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-05934-6
Online ISBN: 978-3-662-10270-1
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