AI Article Synopsis
- Multi-generation, or polygeneration, is highlighted as a sustainable energy solution that utilizes agro waste, specifically rice straw.
- Life cycle assessment (LCA) is employed to evaluate the environmental impacts of polygeneration compared to conventional standalone energy plants producing similar utility outputs like power, ethanol, heating, and cooling.
- The LCA results reveal that polygeneration using surplus rice straw is more environmentally friendly than traditional standalone generation methods.
Article Abstract
Multi-generation or polygeneration is considered to be a potential sustainable energy solution. To assess environmental sustainability of multi-generation, life cycle assessment (LCA) is a useful tool. In this paper, environmental impact of polygeneration using an agro waste (rice straw) is assessed by LCA. Then it is compared with stand alone conventional plants with same utility outputs. Power, ethanol, heating and cooling are utility outputs of the polygeneration plant. System boundary for this polygeneration is defined for surplus biomass only. Exergy based allocation method is used for this analysis. Results of LCA are shown through both mid-point and end-point indicators. Results indicate that polygeneration with surplus rice straw is more environment-friendly than conventional stand-alone generation of same utilities.
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| http://dx.doi.org/10.1016/j.biortech.2016.12.067 | DOI Listing |
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