Building a database system of greenhouse gas emissions from concentrated domestic wastewater treatment plants in urbans of the Northern region to prepare for Vietnam's carbon market

Hanoi Architectural University, Hanoi, Vietnam

^* Corresponding author: khanhnv@hau.edu.vn

Abstract

In the field of wastewater treatment, a quality-assured carbon database system will serve as a basis for determining greenhouse gas emission quotas and aiming to prepare Vietnam's carbon market in the period from now to 2025. This article presents the results of calculations to determine the volume of greenhouse gas emissions (including emissions of methane CH₄ and nitrous oxide N₂O) from concentrated domestic wastewater treatment plants in urbans of the region North. The inventory calculation period is determined from the official operation of the plant to 2024. Total CH₄ and N₂O emissions during the calculation period of 29 plants correspond to normal emission scenarios (BAU) is 378.0 and 79.7 x 10⁶ tons CO₂e, low emission scenario is 363.8 and 6.4 x 10⁶ tons CO₂e, high emission scenario is 476.1 and 13,103.9 x 10⁶ tons CO₂e. On this basis, state management agencies as well as local authorities can propose the most appropriate and effective strategic directions for green growth urban development.