CARBON EMISSION ACCOUNTING AND REDUCTION ANALYSIS OF WASTE COLLABORATIVE DISPOSAL IN TYPICAL CEMENT KILNS

WU Cuihua; YU Xiaohua; GAO Junzheng; YAN Haochun; LU Yintao; YAO Hong

doi:10.13205/j.hjgc.202307005

Volume 41 Issue 7

Jul. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(7): 30-36,60

WU Cuihua, YU Xiaohua, GAO Junzheng, YAN Haochun, LU Yintao, YAO Hong. CARBON EMISSION ACCOUNTING AND REDUCTION ANALYSIS OF WASTE COLLABORATIVE DISPOSAL IN TYPICAL CEMENT KILNS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(7): 30-36,60. doi: 10.13205/j.hjgc.202307005

Citation:

WU Cuihua, YU Xiaohua, GAO Junzheng, YAN Haochun, LU Yintao, YAO Hong. CARBON EMISSION ACCOUNTING AND REDUCTION ANALYSIS OF WASTE COLLABORATIVE DISPOSAL IN TYPICAL CEMENT KILNS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(7): 30-36,60. doi: 10.13205/j.hjgc.202307005

Citation:

WU Cuihua, YU Xiaohua, GAO Junzheng, YAN Haochun, LU Yintao, YAO Hong. CARBON EMISSION ACCOUNTING AND REDUCTION ANALYSIS OF WASTE COLLABORATIVE DISPOSAL IN TYPICAL CEMENT KILNS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(7): 30-36,60. doi: 10.13205/j.hjgc.202307005

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CARBON EMISSION ACCOUNTING AND REDUCTION ANALYSIS OF WASTE COLLABORATIVE DISPOSAL IN TYPICAL CEMENT KILNS

doi: 10.13205/j.hjgc.202307005

1. School of Environment, Beijing Jiaotong University, Beijing 100044, China;
2. China Testing & Certification International Group Co., Ltd., Beijing 100024, China

Received Date: 2022-07-24

Abstract

Abstract

The cement industry is one of the key industries in China for achieving the goal of carbon neutrality. To reveal the effect of energy saving and emission reduction of cement kiln collaborative disposal waste, this study compared the carbon emissions of cement kiln collaborative disposal of hazardous waste, cement kiln collaborative disposal of domestic waste, cement kiln collaborative disposal of general solid waste, and conventional cement production, based on the whole life cycle theory, and analyzed the carbon emission reduction path of cement industry. The results showed that calcination composed of carbonate and coal consumption was the main source of greenhouse gas emissions, accounting for about 52.37%~62.84%. The amount of CO₂ emitted by cement production was in the order of conventional cement production > cement kiln collaborative disposal of domestic waste > cement kiln coordinated disposal of general solid waste > cement kiln coordinated disposal of hazardous waste, which were 883.65 kg/t, 772.67 kg/t, 656.30 kg/t and 609.79 kg/t, respectively, indicating that collaborative disposal of waste had certain advantages in reducing CO₂ emissions. Policy control, adjustment of energy structure, the substitution of raw (combustion), energy efficiency improvement technology, waste heat power generation technology and CCUS technology were the main measures to achieve the goal of carbon neutrality in the cement industry. This study could provide basic support for the cement industry to carry out energy conservation and emission reduction.
- cement,
- coordinated disposal,
- carbon emissions accounting,
- carbon reduction

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References(45)

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