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Three-dimensional porous silica ceramics with tailored uniform pores: Prepared by inactive spheres
Sun, Zhiqiang1,2; Fan, Junmei1; Yuan, Fangli1
2015-11-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume35Issue:13Pages:3559-3566
AbstractPorous silica ceramics with uniform and fully interconnected pores in three dimensions are fabricated via sintering of randomly dense packed SiO2 spheres. The pores which origin from the space existed between stacked spheres are well reserved and the necks between spheres are formed during heat treatment. Due to the inactive surface of raw spheres, the uneven shrinkage is well restrained and the interconnected uniform pores are obtained. The pore size has linear relationship with sphere size as equivalent to D50 = 0.320 x d(50) - 1.6. The neck strength can be enhanced by increasing sintering temperature in the range of 1090-1230 degrees C with negligible effect on pore structures. The permeable performance shows that the synthesized porous ceramic with D50 of 8.13 mu m has an enhanced nitrogen permeance of about 4.4 x 10(6) L/(m(2) h) under 150 KPa and its rejection coefficient of oil \ water mixtures is up to 99% meanwhile the flux can reach 3.0 x 10(5) L/(m(2) h). (C) 2015 Elsevier Ltd. All rights reserved.
KeywordPorous Ceramics Sio2 Spheres Dense Packing Uniform Pore Three Dimension
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.jeurceramsoc.2015.06.020
Indexed BySCI
Language英语
WOS KeywordFLY-ASH ; CRYSTALLIZATION ; MICROSTRUCTURE ; NUCLEATION ; MEMBRANES ; GLASSES
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000359029300023
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19425
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Zhiqiang,Fan, Junmei,Yuan, Fangli. Three-dimensional porous silica ceramics with tailored uniform pores: Prepared by inactive spheres[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2015,35(13):3559-3566.
APA Sun, Zhiqiang,Fan, Junmei,&Yuan, Fangli.(2015).Three-dimensional porous silica ceramics with tailored uniform pores: Prepared by inactive spheres.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,35(13),3559-3566.
MLA Sun, Zhiqiang,et al."Three-dimensional porous silica ceramics with tailored uniform pores: Prepared by inactive spheres".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 35.13(2015):3559-3566.
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