AI Article Synopsis
- Lots of new ways have been created recently to turn plant material, like sugarcane leftovers, into eco-friendly fuels and materials.
- This research looked closely at how recycling waste can help reduce water and energy use when making bioethanol and electricity from sugarcane bagasse.
- The results showed that using recycling methods can improve the environment by greatly cutting down on pollution and energy needed for these processes.
Article Abstract
In recent decades, numerous bioconversion processes and techniques have been developed to utilize lignocellulosic biomass as feedstock in the production of bio-based fuels and materials. However, waste treatment, an important sub-system, is seldom considered in the life cycle assessment of lignocellulose derived products. This study comprehensively investigated the environmental impacts of bioethanol and electricity cogeneration from sugarcane bagasse, with a focus on recycling techniques adopted in waste treatment. A life cycle assessment indicated that high recycle rate of black liquor, acid and waste washing water can substantially reduce the consumption of fresh water, related chemicals and energy by 70-80%. Environmental impacts relating to global warming, acidification potential and primary energy demand can be decreased by 5-10 times or even entirely eliminated. These study outcomes demonstrate significant environmental benefits of integrating waste recycling techniques into lignocellulose biorefinery process, providing a solid foundation for future industrial development.
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| http://dx.doi.org/10.1016/j.biortech.2023.129855 | DOI Listing |
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