Study on the Effect of Oxygen Concentration on the Properties of TiO2/Ti Composite Membranes Prepared by In Situ Oxidation
Zhang, Dongqiang; Su, Na; Ma, Yingwen; Yang, Ping; Li, Hongwei
2020-02
Source PublicationPROCESSES
Volume8Issue:2
AbstractTiO2 membranes were prepared on porous Ti supports through the in situ oxidation method. The effects of oxygen concentration, oxidation temperature, and oxidation time on the thickness, pore size, and microstructure of the prepared TiO2 membrane were investigated. The results showed that with increasing oxygen concentration, oxidation temperature, and oxidation time, the thickness of the prepared TiO2 membrane gradually increased, and the pore diameter gradually decreased. The optimum preparation conditions were-oxygen concentration was N-2:O-2 = 2:1, oxidation temperature was 800 celcius, and oxidation time was 60 min. The prepared TiO2/Ti composite membranes had a flat and smooth surface, uniform thickness, and only a rutile TiO2 characteristic peak formed on the surface of the membrane. The prepared TiO2/Ti composite membrane had a narrow pore size distribution, and the average pore size was about 0.312 mu m. In addition, the prepared TiO2/Ti composite membranes showed an excellent stability.
Keywordin situ oxidation oxygen concentration TiO2 membrane porous Ti support
DOI10.3390/pr8020213
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[212006065][21666018]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000521167900032
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64202
Collection石油化工学院
高等教育研究所(教学质量监督与评估工作办公室、本科教学督导委员会研究生督导委员会)
Corresponding AuthorZhang, Dongqiang
AffiliationLanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Zhang, Dongqiang,Su, Na,Ma, Yingwen,et al. Study on the Effect of Oxygen Concentration on the Properties of TiO2/Ti Composite Membranes Prepared by In Situ Oxidation[J]. PROCESSES,2020,8(2).
APA Zhang, Dongqiang,Su, Na,Ma, Yingwen,Yang, Ping,&Li, Hongwei.(2020).Study on the Effect of Oxygen Concentration on the Properties of TiO2/Ti Composite Membranes Prepared by In Situ Oxidation.PROCESSES,8(2).
MLA Zhang, Dongqiang,et al."Study on the Effect of Oxygen Concentration on the Properties of TiO2/Ti Composite Membranes Prepared by In Situ Oxidation".PROCESSES 8.2(2020).
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