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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
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷号4期号:4页码:2107-2113
摘要

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.

文章类型Article
关键词Methane Hydrates Hydrate Formation And Dissociation Surfactants Polystyrene Nanospheres Methane Recovery
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.5b01557
关键词[WOS]UNSTIRRED GAS/LIQUID SYSTEM ; SODIUM DODECYL-SULFATE ; GAS HYDRATE ; STORAGE ; GROWTH ; PYRENE
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
项目资助者National 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类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000373554600026
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/8254
专题工业生物燃气研究组
作者单位1.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
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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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