Emergy evaluation of power plant eco-industrial park

Abstract

Abstract: In this paper,new emergy indices for the material circulation utilization and energy cascade utilization were presented to evaluate the emergy of power plant eco industrial park.The common contribution of the members in power plant eco industrial park should be accounted for emergy yield ratio (PEYR) and emergy investment ratio (PEIR),namely, PEYR= (Fi+Ri+Ni)/ Fi and PEIR= Fi/ (Ni+Ri).Saved renewable and nonrenewable resources and purchased resources and decreased environmental load should be accounted for environmental loading ratio (PELR) and index of sustainability (PESI),namely, PELR= Fi/F' and PESI=PEYR/PELR.Case analysis on the Shuozhou power plant eco industrial park showed that new emergy indices were practical in evaluating the power plant eco-industrial park.

Key words: Eco-industrial park, Power plant, Emergy, Sustainability

CLC Number:

X171.4

WANG Lingmei, ZHANG Jintun. Emergy evaluation of power plant eco-industrial park[J]. Chinese Journal of Applied Ecology, 2004, (6): 1047-1050.

References

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