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| Author: | Zvolinschi, A. (et al.) |
| Title: | Exergy sustainability indicators as a tool in industrial ecology |
| Journal: | Journal of industrial ecology
2007 : FALL, VOL. 11:4, p. 85-98 |
| Index terms: | electricity industry decision making environment ecology sustainable development Scandinavia Nordic countries Norway |
| Freeterms: | exergy abatement |
| Language: | eng |
| Abstract: | It is argued that the 'exergy' concept can play a role in industrial ecology, using a recent Norwegian power production policy question as illustration. It is questioned whether to build a standard natural gas- or a hydrogen-fired gas-turbine combined-cycle power plant to meet increased needs for electricity in Norway. In this study, calculated are three indicators based on exergy calculations: exergy renewability (here as: e-rnw.), exergy efficiency (as: e-eff.), and environmental compatibility (as: e-cmp.). It is shown how these indicators can be used to evaluate paths for sustainable power production in two gas-fired combined-cycle power plants. It is found that the two plants were equivalent, as judged by their e-rnw. and their e-cmp., but not by their e-eff. etc. |
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