Greenhouse Gas Emissions from an Apartment-Scale Aerobic Sewage Treatment Plant
アパート規模の好気性下水処理施設からの温室効果ガス排出 (AI 翻訳)
Andry Daniel Dethan, Awaluddin Hidayat Ramli Inaku
🤖 gxceed AI 要約
日本語
本研究は、IPCCガイドラインとスコープ1・2の枠組みを用いて、アパート規模の好気性下水処理施設からのGHG排出量を定量化した。結果、電力消費（特に曝気エネルギー）が温室効果ガス排出の約90%を占め、エネルギー効率改善が最も効果的な緩和策であることが示された。占有率の増加に伴い、一人当たりの排出原単位は低下した。
English
This study quantified GHG emissions from an apartment-scale aerobic STP using IPCC guidelines and a Scope 1–2 framework. Electricity consumption accounted for ~90% of total emissions, highlighting energy efficiency as the key mitigation strategy. Per-capita emissions decreased with higher occupancy.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
本論文はインドネシアの事例研究であるが、日本の小規模下水処理施設におけるGHGインベントリ構築や省エネ対策の参考になる。特に、スコープ2排出が支配的である点は、日本の電力排出係数が低い場合でも、曝気効率改善の重要性を示唆する。
In the global GX context
This case study from Indonesia provides empirical evidence on the dominance of electricity-related emissions in aerobic wastewater treatment. While facility-specific, it reinforces the global need for energy efficiency in decentralized treatment systems, which is relevant for urban climate action in emerging economies.
👥 読者別の含意
🔬研究者:Provides a methodological example of applying Scope 1/2 accounting to a residential-scale STP, useful for refining emission factors.
🏢実務担当者:Demonstrates that aeration energy is the primary emission source, guiding energy audit priorities for apartment wastewater systems.
🏛政策担当者:Supports the inclusion of decentralized wastewater treatment in national GHG inventories and emphasizes energy efficiency in sanitation infrastructure.
📄 Abstract（原文）
This study quantified greenhouse gas (GHG) emissions from an apartment-scale aerobic Sewage Treatment Plant (STP) in Surabaya using the 2019 IPCC Guidelines combined with a Scope 1–Scope 2 accounting framework. Direct emissions (Scope 1) consisted of methane (CH4) and nitrous oxide (N2O) generated from biological treatment processes, while indirect emissions (Scope 2) were associated with operational electricity consumption. Activity data from 2023–2025 included occupancy levels, wastewater flow rates, effluent quality, and equipment operation. Results showed that Scope 1 emissions increased from 6,689 to 8,256 kg CO2-eq/year due to rising occupancy, whereas Scope 2 emissions from electricity remained stable at 65,821 kg CO2/year. Total emissions ranged from 72,510 to 74,077 kg CO2-eq/year, with electricity contributing approximately 90% of the overall GHG profile. Per-capita emission intensity decreased from 161.5 to 133.7 kg CO2-eq/person/year as occupancy increased, while energy demand remained constant. These findings demonstrate that electricity use—particularly aeration energy—dominates the carbon footprint of apartment-scale aerobic STPs. The study highlights the importance of facility-level GHG inventories and indicates that energy efficiency improvement represents the most effective mitigation strategy for residential wastewater treatment systems. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and Sanitation SDG 11: Sustainable Cities and Communities SDG 13: Climate Action
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.29165/ajarcde.v10i1.933first seen 2026-05-06 00:49:54
gxceed は公開メタデータに基づく研究支援データセットです。要約・翻訳・解説は AI 支援で生成されています。 最終的な解釈・検証は利用者が原典資料に基づいて行うことを前提とします。