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Title:
Enhanced methane hydrate formation with SDS-coated Fe3O4 nanoparticles as promoters
Author: Liu, Guo-Qiang1; Wang, Fei2; Luo, Sheng-Jun2; Xu, Dong-Yan1; Guo, Rong-Bo2
Source: JOURNAL OF MOLECULAR LIQUIDS
Issued Date: 2017-03-01
Volume: 230, Pages:315-321
Keyword: Methane hydrates ; Sol of SDS@Fe3O4 ; Induction period ; Hydrate formation rate
DOI: 10.1016/j.molliq.2016.12.050
DOC Type: Article
English Abstract: Nano metal fluids have been applied to promote the formation of natural gas hydrates. In this work, the sol of SDS@Fe3O4 (named as SDS@Fe3O4) were prepared and used as promoters in methane hydrate formation. Compared with SDS, SDS@Fe3O4 produced much better promotion and the main superiority was that SDS@Fe3O4 could significantly shorten the induction periods of hydrate formation. When SDS was used, the induction periods lasted about 40-60 min, while when SDS@Fe3O4 was used at the same concentrations, hydrates nucleated within 10 min, especially, even no obvious induction periods were observed when SDS@Fe3O4 was used in some experiments. Particle size showed significant influences on the promotion of SDS@Fe3O4 to methane hydrate formation and smaller particles resulted in rapider hydrate formation. In addition, SDS@Fe3O4 showed excellent repeatability during the hydrate formation-dissociation cycles. (C) 2017 Elsevier B.V. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Subject Extended: Chemistry ; Physics
WOS Keyword Plus: UNSTIRRED GAS/LIQUID SYSTEM ; GAS HYDRATE ; NATURAL-GAS ; SILVER NANOPARTICLES ; OXIDE NANOPARTICLES ; ANIONIC SURFACTANTS ; FROZEN HYDRATE ; DISSOCIATION ; NANOSPHERES ; CAPACITY
Indexed Type: SCI
Funder: Key Projects in the National Science and Technology Pillar Program(20140015) ; Qingdao Science and Technology and People's Livelihood Project(14-2-3-69-nsh)
Language: 英语
WOS ID: WOS:000397690900041
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Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/9347
Appears in Collections:生物制氢与沼气团队_期刊论文

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description.institution: 1.Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Shandong Ind Engn Lab Biogas Prod & Utilizat, Qingdao 266101, Shandong, Peoples R China

Recommended Citation:
Liu, Guo-Qiang,Wang, Fei,Luo, Sheng-Jun,et al. Enhanced methane hydrate formation with SDS-coated Fe3O4 nanoparticles as promoters[J]. JOURNAL OF MOLECULAR LIQUIDS,2017,230:315-321.
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