DOI: 10.3724/SP.J.1248.2013.260

Advances in Climate Change Research 2013/4:4 PP.260-266

Analysis of Potential for HFC-23 Emission Reduction in China's Fluorine Chemical Industry

China is one of the major producers of chlorodifluoromethane(HCFC-22)in the world.A large amount of fluoroform(HFC-23)is emitted during the production of HCFC-22.Emission factors of HFC-23 were calculated in accordance with the monitoring reports of eleven HFC-23 clean development mechanism(CDM)projects in China and the HFC-23emissions in 2000-2010 as well as that in 2011-2020 were estimated and projected,respectively.It is expected that,by the end of 2020,emissions of HFC-23 in China will be as much as 230 Mt CO2-eq.If HCFC-22 producers voluntarily reduced HFC-23 emissions,it would contribute 3.2%-3.6%to the national CO2emission reduction target for 2020.

Key words:greenhouse gas,HFC-23,potential for emission reduction

ReleaseDate:2015-04-16 21:10:00

CAFSI (China Association of Fluorine and Silicone In-dustry), November 2011: The “Twelfth Five-YearPlan” of China's fluorine industry (in Chinese). Ac-cessed

IPCC, 2007: IPCC/TEAP special report on safeguard ing the ozone layer and the global climate system:Issues related to hydrohalocarbons and perhalocar-bons.

MEP (Ministry of Environmental Protection), 2008-12-25: Notice on strict control of new projects,transformation projects and extension projects forproduction of HCFC (Huanban No.[2008]104, inChinese). Assessed

UN (United Nations), 1998: Kyoto Protocol to theUnited Nations framework convention on climatechange. Accessed

UNFCCC, 2003-09: Methodologies. Accessed

UNFCCC, 2010-05-05: Attachments to EB meeting ofUnited Nations to the CDM executive board. Ac-cessed

UNFCCC, 2012-06-26: Project information. Assessed

Xu, H., S.-Z. Pan, and H.-Q. Wang, 2006: Analy-sis and prediction for product market of HCFC-22.Organic Fluorine Industry (in Chinese), 3, 19-20.

Yang, H., J.-B. Zhang, and J.-M. Feng, 2010:List and prediction for consumption and emissionof HCFC-22 in China. Journal of Beijing Univer-sity: Natural Science Edition (in Chinese), 46 (2),251-257.