Recycling of phenol from poly (1,4-cyclohexylene dimethylene terephthalate) using subcritical water from 260 to 340 degrees C

doi:10.1007/s10163-020-01057-8

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 深海极端环境模拟研究实验室

	Recycling of phenol from poly (1,4-cyclohexylene dimethylene terephthalate) using subcritical water from 260 to 340 degrees C
	Xu, Yanmei 1; Xie, Guangna 1; Bei, Ke 2; Wang, Liang 1; Wang, Junliang 1; Chou, I-Ming 3; Pan, Zhiyan 1
刊名	JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT
	2020-05-28
页码	9
关键词	Recycling Phenol Poly (1 4-cyclohexylene dimethylene terephthalate) Subcritical water Phase behavior
ISSN号	1438-4957
DOI	10.1007/s10163-020-01057-8
英文摘要	Recycling of chemicals from waste plastics is important for the reutilization of resources and the reduction of environmental pollution. The phase behaviors of poly (1,4-cyclohexylene dimethylene terephthalate) (PCT) in water at different temperature and time were observed in a fused silica capillary reactor (FSCR) with a microscope. The effects of the reaction temperature (260-340 degrees C), the reaction time (30-90 min), and the mass ratio of water/PCT (6:1-14:1) on the degradation of PCT were studied in an autoclave reactor on the basis of the results obtained from the FSCR. Under our research conditions, depolymerization of both 1,4-cyclohexanedimethanol and terephthalic acid (TPA) generated mainly phenol, and the maximum yield of phenol was obtained at 340 degrees C after its reaction with a water/PCT mass ratio of 10:1 for 90 min. Moreover, a reaction mechanism of PCT degradation in subcritical water was proposed. Our results suggest that PCT can be depolymerized rapidly and completely in subcritical water to produce phenol, and this method is conducive to the recycling of waste PCT.
资助项目	Natural Science Foundation of China[21377116] ; Key Frontier Science Program[QYZDY-SSW-DQC008] ; Chinese Academy of Sciences
WOS关键词	FUSED-SILICA CAPILLARY ; HOT COMPRESSED WATER ; HIGH-TEMPERATURE ; POLY(BUTYLENE TEREPHTHALATE) ; THERMAL-DEGRADATION ; CATALYTIC PYROLYSIS ; AUTOCLAVE REACTOR ; HIGH-PRESSURE ; DEPOLYMERIZATION ; POLYCARBONATE
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000556475500002
资助机构	Natural Science Foundation of China ; Key Frontier Science Program ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/7858]
专题	深海科学研究部_深海极端环境模拟研究实验室
通讯作者	Pan, Zhiyan
作者单位	1.Zhejiang Univ Technol, Coll Environm, Hangzhou 310032, Peoples R China 2.Wenzhou Univ, Coll Life & Environm Sci, Wenzhou 325035, Peoples R China 3.Chinese Acad Sci, CAS Key Lab Expt Study Deep Sea Extreme Condit, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
推荐引用方式 GB/T 7714	Xu, Yanmei,Xie, Guangna,Bei, Ke,et al. Recycling of phenol from poly (1,4-cyclohexylene dimethylene terephthalate) using subcritical water from 260 to 340 degrees C[J]. JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT,2020:9.
APA	Xu, Yanmei.,Xie, Guangna.,Bei, Ke.,Wang, Liang.,Wang, Junliang.,...&Pan, Zhiyan.(2020).Recycling of phenol from poly (1,4-cyclohexylene dimethylene terephthalate) using subcritical water from 260 to 340 degrees C.JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT,9.
MLA	Xu, Yanmei,et al."Recycling of phenol from poly (1,4-cyclohexylene dimethylene terephthalate) using subcritical water from 260 to 340 degrees C".JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT (2020):9.