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Improved Methane Hydrate Formation and Dissociation with Nanosphere-Based Fixed Surfactants As Promoters
Wang, Fei1,2; Liu, Guo-Qiang3; Meng, Han-Lin4; Guo, Gang1; Luo, Sheng-Jun1; Guo, Rong-Bo1
2016-04-01
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume4Issue:4Pages:2107-2113
Abstract

The fixation of surfactants is very important in surfactant-promoted gas hydrate formation. In this work, three surfactants were fixed on the surface of polystyrene nanospheres through emulsion polymerization (named as Surfactant@PSNS) and then used in methane hydrate formation and dissociation, which were sodium dodecyl sulfate (SDS), cetyltrimethylammonium bromide (CTAB), and dodecyl alcohol ethoxylates (AEO). The fixation of the surfactants could reduce the induction periods and improve the apparent densities and storage capacities of the formed hydrates, especially at low surfactant concentrations. During hydrate dissociation, the fixation of surfactants resulted in the hydrates dissociating more slowly. The methane recoveries were improved from 76.37%, 27.87%, and 32.35% to 87.55%, 43.43%, and 60.20% for the fixation of SDS, CTAB, and AEO, respectively. Moreover, with surfactants fixed, the foam generation during hydrate dissociation was obviously controlled.

SubtypeArticle
KeywordMethane Hydrates Hydrate Formation And Dissociation Surfactants Polystyrene Nanospheres Methane Recovery
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.5b01557
WOS KeywordUNSTIRRED GAS/LIQUID SYSTEM ; SODIUM DODECYL-SULFATE ; GAS HYDRATE ; STORAGE ; GROWTH ; PYRENE
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
Funding OrganizationNational Natural Science Foundation of China(31101918 ; Key Projects in the National Science and Technology Pillar Program(20140015) ; Key Research & Development Project of Shandong(2015GSF115037) ; Qingdao Science and Technology and People's Livelihood Project(14-2-3-69 nsh) ; 4126143)
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000373554600026
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/8254
Collection工业生物燃气团队
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Ind Engn Lab Biogas Prod & Utilizat, Qingdao 266101, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Univ Sci & Technol, Qingdao 266042, Peoples R China
4.Ocean Univ China, Qingdao 266110, Peoples R China
Recommended Citation
GB/T 7714
Wang, Fei,Liu, Guo-Qiang,Meng, Han-Lin,et al. Improved Methane Hydrate Formation and Dissociation with Nanosphere-Based Fixed Surfactants As Promoters[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2016,4(4):2107-2113.
APA Wang, Fei,Liu, Guo-Qiang,Meng, Han-Lin,Guo, Gang,Luo, Sheng-Jun,&Guo, Rong-Bo.(2016).Improved Methane Hydrate Formation and Dissociation with Nanosphere-Based Fixed Surfactants As Promoters.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,4(4),2107-2113.
MLA Wang, Fei,et al."Improved Methane Hydrate Formation and Dissociation with Nanosphere-Based Fixed Surfactants As Promoters".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 4.4(2016):2107-2113.
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