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Stabilization and characterization of colloidal gas aphron dispersions
Alternative TitleJ. Colloid Interface Sci.
Dai, YJ; Deng, T
2003-05-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume261Issue:2Pages:360-365
AbstractColloidal gas aphrons (CGAs) are finding increasing application in water processing, bioseparation, bubble-entrained floc flotation, separation of oil from sand, etc. This article proposes an effective method of encapsulation to stabilize the CGA bubbles with silicic sol solution for their characterization. The stabilized CGA bubbles can keep shapes and sizes for at least 12 h; even the bubbles smaller than 25 mum can also be stabilized and exist for very long times. Effects of concentration and pH of silicic sol solution on CGA stabilization were studied. Tile optimal ranges of concentration and pH of silicic sol solution are 0.15-0.25 mol/dm(3) and 7-10, respectively. The bubble distortion behavior in disturbance and size distribution of CGAs were examined by using the stabilization method and photographic techniques. (C) 2003 Elsevier Science (USA.). All rights reserved.; Colloidal gas aphrons (CGAs) are finding increasing application in water processing, bioseparation, bubble-entrained floc flotation, separation of oil from sand, etc. This article proposes an effective method of encapsulation to stabilize the CGA bubbles with silicic sol solution for their characterization. The stabilized CGA bubbles can keep shapes and sizes for at least 12 h; even the bubbles smaller than 25 mum can also be stabilized and exist for very long times. Effects of concentration and pH of silicic sol solution on CGA stabilization were studied. Tile optimal ranges of concentration and pH of silicic sol solution are 0.15-0.25 mol/dm(3) and 7-10, respectively. The bubble distortion behavior in disturbance and size distribution of CGAs were examined by using the stabilization method and photographic techniques. (C) 2003 Elsevier Science (USA.). All rights reserved.
KeywordBubble Stabilization Encapsulation Colloidal Gas Aphrons Silica Sol Cationic Surfactant
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/S0021-9797(03)00056-0
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000182896400019
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5356
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Dai, YJ,Deng, T. Stabilization and characterization of colloidal gas aphron dispersions[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2003,261(2):360-365.
APA Dai, YJ,&Deng, T.(2003).Stabilization and characterization of colloidal gas aphron dispersions.JOURNAL OF COLLOID AND INTERFACE SCIENCE,261(2),360-365.
MLA Dai, YJ,et al."Stabilization and characterization of colloidal gas aphron dispersions".JOURNAL OF COLLOID AND INTERFACE SCIENCE 261.2(2003):360-365.
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