STUDY ON THE BIOGAS POTENTIAL FROM PIG FARMS IN VIETNAM

Võ Thị Lệ Hà; Hoàng Thị Vân; Nguyễn Thị Thu Hằng

doi:10.34238/tnu-jst.8844

STUDY ON THE BIOGAS POTENTIAL FROM PIG FARMS IN VIETNAM

About this article

Received: 27/09/23 Revised: 05/01/24 Published: 03/02/24

Authors

1. Vo Thi Le Ha, School of Chemistry and Life Sciences - Hanoi University of Science and Technology
2. Hoang Thi Van, School of Chemistry and Life Sciences - Hanoi University of Science and Technology
3. Nguyen Thi Thu Hang , TNU - University of Agriculture and Forestry

Abstract

The swine farming has a significant potential for biogas emissions and is a substantial contributor to greenhouse gas emissions within Vietnam's agricultural sector. This study was conducted to determine the total amount of CH_4, and CO₂ (eq) released from mature management activities and emission coefficients of CH4 and CO_{2 (eq)} at different swine farms in Northern, Central and Southern regions, using tier 1 and tier 2 according to IPCC method. The average amounts of CH₄ were estimated at 1190 ± 330 tons/year (tier 1) and 252 ± 40 tons/year (tier 2) for the present mature management. The total CH₄ and CO₂ (eq) were estimated with different scenarios. Both environmental and economic analyses show that swine farms have good greenhouse gas mitigation potential and can earn significant revenue by selling electricity and biofertilizer in the market. The outcome can provide valuable guidelines for policymakers to invest in bioenergy production from farm animal waste.

Keywords

Biogas; IPCC; Swine farm; Mature management; CO2(eq)

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DOI: https://doi.org/10.34238/tnu-jst.8844

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