Potential Evaluation of Bioenergy production from Maize crop based on Water Footprint approach
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:

The development of energy supply from biomass to reduce greenhouse gas emissions has led to focus on producing important crops from energy perspective which culminated in water consumption increase. Therefore, in this study for analyzing the water and bioenergy nexus, an index called water footprint was used. In this regard, information about maize in the plains of Khuzestan province, was collected. Based on the calculations, it was found that the water footprint of maize crop in the province has an average of 3355.6 m3/ton and the biomass water footprint is equal to 214.9 m3/ton. Moreover, in the study of water footprint of maize biomass, it was found that the highest and the lowest water footprints devoted to Behbahan plain (27.1 m3/GJ) and Abbas Abad plain (10 m3/GJ), respectively. Accordingly, Khuzestan province with an average of 13 m3/GJ, has better condition in terms of water consumption in compare to countries such as Zimbabwe, Brazil and the United States with a water footprint of 200, 39 and 18 m3/GJ, respectively. Mapping the biomass energy production potential with the water footprint approach also showed that water footprint in southeastern plains of the province (especially Behbahan, Omidieh, and Hendijan) are in the interval between 12 up to 27.1 m3/GJ and have low priority for biomass production. In contrast, the northern and eastern plains (especially Abbas Abad, Andimeshk, Sidon and Qaleh Tal) with bioenergy water footprints of 10 to 10.9 m3/GJ have high priority to the use of maize biomass for energy production.

Language:
Persian
Published:
Iranian Journal of Eco Hydrology, Volume:7 Issue: 1, 2020
Pages:
121 to 129
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