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Inhibition Effect Study of Carboxyl-Terminated Polyvinyl Caprolactam on Methane Hydrate Formation
Zhang, Qian1,2,3,4; Shen, Xiaodong1,2,3,4; Zhou, Xuebing1,2,3; Liang, Deqing1,2,3
2017
Source PublicationENERGY & FUELS
ISSN0887-0624
Volume31Issue:1Pages:839-846
AbstractInjecting kinetic hydrate inhibitors (KHIs) is an efficient option to prevent gas hydrate blockages in equipment and pipelines, which widely exist in petroleum production and transportation operations. Polyvinyl caprolactam(PVCap) is a kind of effective and commercialized KHIs. In this paper, one kind of carboxyl-acid-group-modified PVCap named carboxyl terminated polyvinyl caprolactam (PVCSCOOH) has been synthesized and the KHI performance has also been evaluated. The microscopic properties for hydrate samples were detected with cryo-scanning electron microscopy, Raman spectroscopy, and powder X-ray diffraction. It was found that the maximum subcooling degree of 2 wt % PVCSCOOH not generating methane hydrate was 13.7 degrees C, while this value for PVCap was only 11.3 degrees C; PVCSCOOH had a better inhibition performance than PVCap of similar molecular weight. In addition, we also noticed that PVCSCOOH could change the hydrate appearance and lower the large/small cavity ratio (L/S), to 2.00 but it had no impact on the hydrate structure.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.energyfuels.6b02603
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordEFFECTIVE KINETIC INHIBITORS ; CRYSTAL-GROWTH INHIBITION ; NATURAL-GAS ; POLY(N-VINYL CAPROLACTAM) ; RISK-MANAGEMENT ; PERFORMANCE ; POLYMERS ; SERIES ; SYNERGISM ; SALTS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51376182) ; Chinese Academy of Sciences (CAS) Program(KGZD-EW-301) ; Scientific Cooperative Project by China National Petroleum Corporation (CNPC) ; CAS(2015A-4813)
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000392553800087
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/14024
Collection中国科学院广州能源研究所
Corresponding AuthorLiang, Deqing
Affiliation1.Chinese Acad Sci, Key Lab Nat Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Qian,Shen, Xiaodong,Zhou, Xuebing,et al. Inhibition Effect Study of Carboxyl-Terminated Polyvinyl Caprolactam on Methane Hydrate Formation[J]. ENERGY & FUELS,2017,31(1):839-846.
APA Zhang, Qian,Shen, Xiaodong,Zhou, Xuebing,&Liang, Deqing.(2017).Inhibition Effect Study of Carboxyl-Terminated Polyvinyl Caprolactam on Methane Hydrate Formation.ENERGY & FUELS,31(1),839-846.
MLA Zhang, Qian,et al."Inhibition Effect Study of Carboxyl-Terminated Polyvinyl Caprolactam on Methane Hydrate Formation".ENERGY & FUELS 31.1(2017):839-846.
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