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Journal of Renewable Energy and Environment، جلد ۱۰، شماره ۲، صفحات ۳۹-۴۴
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عنوان انگلیسی Biogas Production by Co-Digestion of Food Waste with Sewage Sludge and Poultry Litter: A Way Towards Sustainable Waste-to-Energy Conversion
چکیده انگلیسی مقاله Anaerobic digestion is one of the most effective technologies for managing degradable waste, which produces renewable energy and digestate as the byproduct. In this study, sewage sludge (SS), poultry litter (PL), and food waste (FW) were co-digested at ratios (SS:PL:FW 2:1:1) with 8 % total solid content at ambient temperature (average 22 °C) and controlled temperature (35 °C) in summer. The synergistic effects of co-digesting substrates enhance the biogas production potential when digested at an optimized ratio. The maximum biogas yield was 688.7 L/kgVSa at the controlled temperature and 462.3 L/kgVSa at ambient temperature. The ambient reactor had a methane composition of 55 %, while the controlled temperature reactor had about 60 %. The results provide approaches to increase biogas production in the anaerobic digestion process through co-digestion and controlled mesophilic temperature. Biogas production from anaerobic co-digestion could significantly transform waste into energy in low-income countries to achieve the objective of clean energy production and environmental sustainability.
کلیدواژه‌های انگلیسی مقاله Co-digestion,Biogas,Waste,Temperature,Sustainability
نویسندگان مقاله Uttam Bista |
Renewable and Sustainable Energy Laboratory, Department of Mechanical Engineering, School of Engineering, Kathmandu University, P. O. Box: 6250, Dhulikhel, Nepal.

Bhawana Rayamajhi |
Renewable and Sustainable Energy Laboratory, Department of Mechanical Engineering, School of Engineering, Kathmandu University, P. O. Box: 6250, Dhulikhel, Nepal.

Bipasyana Dhungana |
Renewable and Sustainable Energy Laboratory, Department of Mechanical Engineering, School of Engineering, Kathmandu University, P. O. Box: 6250, Dhulikhel, Nepal.

Sunil Prasad Lohani |
Renewable and Sustainable Energy Laboratory, Department of Mechanical Engineering, School of Engineering, Kathmandu University, P. O. Box: 6250, Dhulikhel, Nepal.

نشانی اینترنتی https://www.jree.ir/article_156176_cef0aa0119fa7fa04cf22e21e55f7b66.pdf
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