RESEARCH ON CARBON EMISSION ACCOUNTING METHOD FOR TYPICAL WASTEWATER COLLECTION UNITS BASED ON ANAEROBIC CARBON CYCLE THEORY

LOU Mingyue; LIU Guangbing; LIU Weijing; MENG Xi; SHI Mengqi; GUO Mingchen

doi:10.13205/j.hjgc.202411007

Volume 42 Issue 11

Nov. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(11): 61-71

LOU Mingyue, LIU Guangbing, LIU Weijing, MENG Xi, SHI Mengqi, GUO Mingchen. RESEARCH ON CARBON EMISSION ACCOUNTING METHOD FOR TYPICAL WASTEWATER COLLECTION UNITS BASED ON ANAEROBIC CARBON CYCLE THEORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(11): 61-71. doi: 10.13205/j.hjgc.202411007

Citation:

LOU Mingyue, LIU Guangbing, LIU Weijing, MENG Xi, SHI Mengqi, GUO Mingchen. RESEARCH ON CARBON EMISSION ACCOUNTING METHOD FOR TYPICAL WASTEWATER COLLECTION UNITS BASED ON ANAEROBIC CARBON CYCLE THEORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(11): 61-71. doi: 10.13205/j.hjgc.202411007

Citation:

LOU Mingyue, LIU Guangbing, LIU Weijing, MENG Xi, SHI Mengqi, GUO Mingchen. RESEARCH ON CARBON EMISSION ACCOUNTING METHOD FOR TYPICAL WASTEWATER COLLECTION UNITS BASED ON ANAEROBIC CARBON CYCLE THEORY[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(11): 61-71. doi: 10.13205/j.hjgc.202411007

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RESEARCH ON CARBON EMISSION ACCOUNTING METHOD FOR TYPICAL WASTEWATER COLLECTION UNITS BASED ON ANAEROBIC CARBON CYCLE THEORY

doi: 10.13205/j.hjgc.202411007

LOU Mingyue^1,2,
LIU Guangbing^{1,2
,
,},
LIU Weijing^1,2,
MENG Xi^1,2,
SHI Mengqi^1,2,
GUO Mingchen^1,2

1. Jiangsu Provincial Academy of Environmental Science, Nanjing 210036, China;
2. Jiangsu Provincial Key Laboratory of Environmental Engineering, Nanjing 210036, China

Received Date: 2024-07-15
Available Online: 2025-01-16

Abstract

Abstract

In order to evaluate the direct carbon emission capacity of typical units in sewage collection systems, the Fenghuang West Street sewage collection unit in Gulou District, Nanjing, Jiangsu Province was taken as the research object. The organic matter molecular structure and microbial community structure were used to speculate the anaerobic reactions that occurred in the system, and the carbon emissions were calculated through changes in the concentration of different types of organic matter and reaction equation coefficients. The results showed that there were significant differences in the types of organic matter and microbial community structure in sewage pipelines, septic tanks, and sewage pumping stations in different drainage functional areas, leading to significant differences in carbon emission capacity of the system. The calculation found that septic tanks have the highest carbon emissions, followed by sewage pipelines, and sewage pumping stations have the smallest. The average CO₂ emissions are 169.0, 11.6, and 5.1 mg/m³, respectively. The average CH₄ emissions are 18.9, 7.5, and 2.0 mg/m³, respectively. This study provides more scientific technical means for controlling greenhouse gas emissions, analyzing carbon reduction capabilities, setting carbon intensity reduction targets, and decomposing and implementing assessment indicators in the sewage collection and treatment industry.
- anaerobic reaction,
- carbon emission,
- sewage collection system,
- microbial community structure,
- calculation method

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References(44)

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