气候变化领域集成服务门户(CCPortal): Global emissions of perfluorocyclobutane (PFC-318, c-C4F8) resulting from the use of hydrochlorofluorocarbon-22 (HCFC-22) feedstock to produce polytetrafluoroethylene (PTFE) and related fluorochemicals

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DOI	10.5194/acp-22-3371-2022
	Global emissions of perfluorocyclobutane (PFC-318, c-C4F8) resulting from the use of hydrochlorofluorocarbon-22 (HCFC-22) feedstock to produce polytetrafluoroethylene (PTFE) and related fluorochemicals
	Muhle, Jens; Kuijpers, Lambert J. M.; Stanley, Kieran M.; Rigby, Matthew; Western, Luke M.; Kim, Jooil; Park, Sunyoung; Harth, Christina M.; Krummel, Paul B.; Fraser, Paul J.; O'Doherty, Simon; Salameh, Peter K.; Schmidt, Roland; Young, Dickon; Prinn, Ronald G.; Wang, Ray H. J.; Weiss, Ray F.
发表日期	2022
ISSN	1680-7316
EISSN	1680-7324
起始页码	3371
结束页码	3378
卷号	22 期号:5 页码:8
英文摘要	Emissions of the potent greenhouse gas perfluorocyclobutane (c-C4F8, PFC-318, octafluorocyclobutane) into the global atmosphere inferred from atmospheric measurements have been increasing sharply since the early 2000s. We find that these inferred emissions are highly correlated with the production of hydrochlorofluorocarbon-22 (HCFC-22, CHC1F(2)) for feedstock (FS) uses, because almost all HCFC-22 FS is pyrolyzed to produce (poly)tetrafluoroethylene ((P)TFE) and hexafluoropropylene (HFP), a process in which c-C4F8 is a known by-product, causing a significant fraction of global c-C4F8 emissions. We find a global emission factor of similar to 0.003 kg c-C4F8 per kilogram of HCFC-22 FS pyrolyzed. Mitigation of these c-C4F8 emissions, e.g., through process optimization, abatement, or different manufacturing processes, such as refined methods of electrochemical fluorination and waste recycling, could reduce the climate impact of this industry. While it has been shown that c-C4F8 emissions from developing countries dominate global emissions, more atmospheric measurements and/or detailed process statistics are needed to quantify c-C4F8 emissions at country to facility levels.
学科领域	Environmental Sciences; Meteorology & Atmospheric Sciences
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000771266400001
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/273750
作者单位	University of California System; University of California San Diego; Scripps Institution of Oceanography; Goethe University Frankfurt; University of Bristol; Kyungpook National University; Commonwealth Scientific & Industrial Research Organisation (CSIRO); Massachusetts Institute of Technology (MIT); University System of Georgia; Georgia Institute of Technology
推荐引用方式 GB/T 7714	Muhle, Jens,Kuijpers, Lambert J. M.,Stanley, Kieran M.,et al. Global emissions of perfluorocyclobutane (PFC-318, c-C4F8) resulting from the use of hydrochlorofluorocarbon-22 (HCFC-22) feedstock to produce polytetrafluoroethylene (PTFE) and related fluorochemicals[J],2022,22(5):8.
APA	Muhle, Jens.,Kuijpers, Lambert J. M..,Stanley, Kieran M..,Rigby, Matthew.,Western, Luke M..,...&Weiss, Ray F..(2022).Global emissions of perfluorocyclobutane (PFC-318, c-C4F8) resulting from the use of hydrochlorofluorocarbon-22 (HCFC-22) feedstock to produce polytetrafluoroethylene (PTFE) and related fluorochemicals.ATMOSPHERIC CHEMISTRY AND PHYSICS,22(5),8.
MLA	Muhle, Jens,et al."Global emissions of perfluorocyclobutane (PFC-318, c-C4F8) resulting from the use of hydrochlorofluorocarbon-22 (HCFC-22) feedstock to produce polytetrafluoroethylene (PTFE) and related fluorochemicals".ATMOSPHERIC CHEMISTRY AND PHYSICS 22.5(2022):8.