Exergy analysis of the valorisation of rice straw for energy purposes with a life cycle approach: rice production in Cuba

Amarante, Edelvy Bravo; Schulz, Ralf Kiran; Romero, Osvaldo Romero; Bastida, Eduardo Julio López; Castro, Yenima Martínez; González, Alberto E Calvo; Hernández, Leonor Patricia Güereca

doi:10.1504/ijex.2019.104101

Cited by 2 publications

(1 citation statement)

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“…For example, Alhazmi and Loy (2021) compared the environmental impacts of different biomass valorisation-based thermochemical conversion technologies, Demichelis et al (2020) assess the environmental performance of bioethanol production from waste biomass, Migo-Sumagang et al (2020) of a small-scale rice-straw-based heat generation system using a downdraft furnace and a dryer simulator setup, Quispe et al (2019) of producing energy from rice husk as an alternative energy source to coal, Shafie et al (2014) of rice straw-based power generation, etc. Other studies compared the environmental performance of the rice straw open burning or/and soil incorporation practices with other valorisation alternatives: Shang et al (2020) with particleboards, cement bonded and electricity generation; Soam et al (2017) with fodder, biogas and electricity generation; Yodkhum et al (2018) with electricity generation; Amarante et al (2018) with electricity generation from biogas, among others.…”

Section: Introductionmentioning

confidence: 99%

Environmental implications of reprocessing agricultural waste into animal food: An experience with rice straw and citrus pruning waste

et al. 2022

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The aim of this study is to conduct an environmental comparison, by applying the life cycle assessment (LCA) methodology, of two different compositions for animal foods each with two different nutritional contents (‘high’ for the lactation period, and ‘low’ for the rest of the year). Thus, for each nutritional content, the environmental performance of producing animal feed with a traditional composition mainly based on cereals is compared with a composition based on a mixture of biomass obtained from rice straw and citrus pruning waste. It was observed that the reprocessing of rice straw and citrus pruning waste into animal feed offered environmental potential compared to the current alternative of being burned in the fields. The environmental impact category global warming is especially improved, with impact reductions of up to 50% and 95%, respectively, for high and low nutritional content compositions. In addition, the alternatives proposed herein make it possible to avoid all the inconvenience and impacts on the health of the population living near the fields.

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