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助推工业绿色低碳转型,三部门“小切口”控制温室气体排放
第一财经· 2025-09-02 05:48
Core Viewpoint - The article discusses the implementation of the "Nitrous Oxide Emission Control Action Plan" in the industrial sector, aiming to enhance the recovery and control of nitrous oxide emissions, thereby promoting a green and low-carbon industrial transformation by 2030 [3][4]. Summary by Sections Nitrous Oxide Emissions in Industry - Nitrous oxide (N2O) is the third-largest greenhouse gas after carbon dioxide and methane, with a global warming potential approximately 300 times that of CO2. In 2021, China's total nitrous oxide emissions were 2.102 million tons, accounting for 4.3% of total greenhouse gas emissions, with industrial processes contributing 580,000 tons, or 27.6% [3][4]. Key Industries and Emission Sources - The primary sources of nitrous oxide emissions in the industrial sector are the production processes of adipic acid, nitric acid, and caprolactam, with adipic acid being the largest contributor. China's production capacity for these chemicals exceeds 50% of the global total, and this capacity is expected to continue growing [4][6]. Emission Reduction Potential - The "Global Nitrous Oxide Assessment" report by the United Nations Environment Programme indicates that achieving high scenario reductions globally could lead to a potential reduction of 115 million tons of CO2 equivalent emissions annually from the industrial sector alone [4][6]. Benefits of Emission Control - Effective control of nitrous oxide emissions can provide climate benefits by mitigating global warming, environmental benefits through the reduction of other pollutants, and economic benefits via resource recovery. This initiative is expected to encourage companies to innovate production processes and enhance resource efficiency [6][7]. Support and Funding Mechanisms - The action plan suggests utilizing funding channels to support the construction of nitrous oxide recovery and purification facilities, as well as emission reduction devices in key industries. It encourages climate financing and the inclusion of projects with nitrous oxide reduction benefits in ecological and climate financing support programs [7][8]. Technological Innovation and Collaboration - Continuous research and development of key technologies for source and process control, resource utilization, and monitoring are emphasized. The establishment of a reporting system for nitrous oxide emissions from key enterprises and the exploration of automatic monitoring systems are also recommended [7][8]. Strategic Goals - The initiative aims to transition from end-of-pipe treatment to lifecycle management of nitrous oxide emissions, aligning with the goals of the United Nations Framework Convention on Climate Change and promoting green development under the Belt and Road Initiative [7][8].