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Date Published: 14/06/2021
Online Published: 14/06/2021
Abstract Views: 472
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DOI: https://doi.org/10.52714/dthu.10.3.2021.869
Issue
Vol. 10 No. 3 (2021): Natural Sciences Issue (Vietnamese)
Section
Natural Sciences Issue (Vietnamese)
How to Cite
Tran, S. N., Huynh, V. T., Huynh, C. K., Huynh, T. D., & Dinh, T. D. (2021). Implementation of biogas digester to clean up pig livestock and provide the community with biogas renewable energy (CBRE). Dong Thap University Journal of Science, 10(3), 64-76. https://doi.org/10.52714/dthu.10.3.2021.869

Implementation of biogas digester to clean up pig livestock and provide the community with biogas renewable energy (CBRE)

Sy Nam Tran1, , Van Thao Huynh1, Cong Khanh Huynh1, Thi Diem Huynh1, Thai Danh Dinh1
1 College of Environment and Natural Resources, Can Tho University, Vietnam

Main Article Content

Abstract

The community biogas renewable energy (CBRE) model allows for effective renewable energy recuperation and reducing greenhouse gas (GHG) emissions as well. In order to evaluate the feasibility of this model, the aspects of economic effciency, society and environment, and farmer consensus were investigated to project the CBRE model for a five-household group. The result shows that the percentage of households accepting to share surplus CBRE was 63,3%, while those accepted to use CBRE was 86,7%. A medium-scale livestock around 37 pigs per farm (ranging between 26 and 52 pigs) in the CBRE model provided enough biogas used by 5 households with 25 members in total (i.e. 1.5 pigs for a person), with the average of biogas-combustible time and biogas-consumption of each household volume was 1.87 h/day and 0.74 m3/day, respectively. The CBRE model helped farmers reduce GHG 12.9 tons CO2 eq/year (~70%) in terms of the utilization of traditional energy sources combined with biogas, and with shared biogas, farmers reduced GHG 2.58 CO2 eq/year. Cost savings was 1.04 million VND/year per household. It is essential to develop a clearly financial mechanism for paying relevant costs related to biogas use for improvements in eff cient and long-term use of CBRE model.

Article Details

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Keywords

Biogas digester, biogas sharing, community biogas, greenhouse gas emissions, renewable energy

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