Theoretical calculation of biogas production and greenhouse gas emission reduction potential of livestock, poultry and slaughterhouse waste in Bangladesh
- Publisher:
- Elsevier
- Publication Type:
- Journal Article
- Citation:
- Journal of Environmental Chemical Engineering, 2021, 9, (3), pp. 1-9
- Issue Date:
- 2021-06-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1-s2.0-S2213343721001810-main.pdf | 4.03 MB |
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The utilisation of available renewable resources and mitigating their impact on the environment boosts sustainable development and helps to achieve the United Nations Sustainable Development Goals. Biogas is a renewable energy option produced through anaerobic digestion of wastes such as livestock excreta and slaughterhouse wastes. Biogas production is treated as one of the leading processes to combat climate change as well as a waste management strategy, especially for a developing country like Bangladesh. It is also vital in meeting future demand for energy utilising indigenous sources. Livestock farming is an important economic activity in rural areas of Bangladesh. Thus, the livestock waste production, estimated biogas generation capacity, electricity generation potential, greenhouse gas (GHG) reduction potential, and estimated biofertiliser generation capacity of Bangladesh were determined for the financial year 2018-2019 in this study. The results show that Bangladesh had 486.77 million tons per year of animal waste products to produce 27,923.72 million m3/year biogas in 2018-2019. This biogas potential corresponds to a theoretical potential to produce a 512 PJ/year heating value and electric power of 50 TW h/year. Besides, about 29.232 million tons per year of organic fertiliser can be produced with the residues of the biogas plants. The findings of this study will contribute to guiding policymakers and governments who will concentrate on the use of animal waste in biogas industries and livestock farming as a potential bioenergy source to meet national energy demand.
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