Abstract
At present, the massive emissions of carbon dioxide and nitrogen oxides and other greenhouse gases caused by human activities have caused more and more serious negative effects on global climate change. In order to cope with global warming and achieve sustainable development, achieve “carbon neutrality” as soon as possible. In the refrigeration industry, it is necessary to reduce greenhouse gas emissions related to refrigerants, including the production, use, and recycling of refrigerants. This paper has carried out the calculation of greenhouse gas emissions during the refrigerant preparation process, and compared and analyzed the emission reductions of refrigerant recycling and reuse; the research based on the energy consumption of the refrigerant production process uses the greenhouse gas emission inventory analysis method to Taking refrigerant R134a as an example, the carbon emission accounting boundary of the production process is set, the emission source is determined, the emission is calculated based on the emission factor method, and the emission inventory is established; the carbon offset effect of the recycling and reuse of the refrigerant is analyzed. The research results show that if the entire refrigerant industry fully recycles waste refrigerants, it can reduce carbon emissions by about 29.7% compared to just producing new refrigerants.
Highlights
In the past 40 years, the frequency and intensity of extreme weather have increased significantly due to global climate change, posing a huge threat to the survival and development of mankind
(1) The current calculation and research on greenhouse gas emissions in the refrigerant production process are mostly based on the maximum limit announced by the regulatory authority
This article uses the actual production energy consumption data surveyed by a Chinese refrigerant manufacturer to conduct a more complete analysis of the raw materials and energy input and by-product emissions to the environment in the R134a production process
Summary
In the past 40 years, the frequency and intensity of extreme weather have increased significantly due to global climate change, posing a huge threat to the survival and development of mankind. It has become the consensus of the international community to reduce carbon emissions and reduce global climate change. Strive to achieve carbon neutrality by 2060 [1] This commitment by China is a milestone event in the global collaborative response to climate change, and it ushered in a new era in which China’s energy system, economic system, and technological innovation system are driven towards a green transition with the goal of carbon neutrality
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