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231224s2012 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2012.276
|2 doi
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|a pubmed25n0731.xml
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|a (DE-627)NLM219433747
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|a (NLM)22797232
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Van Le, Tuan
|e verfasserin
|4 aut
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|a Separation of oil-in-water emulsions by microbubble treatment and the effect of adding coagulant or cationic surfactant on removal efficiency
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.09.2012
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a This study examined the efficiencies of microbubble (MB) treatment, MB treatment with polyaluminium chloride (PAC) as a coagulant, and MB treatment with cetyltrimethylammonium chloride (CTAC) as a cationic surfactant in the separation of emulsified oil (EO) by modified column flotation. Batch mode experiments were conducted by synthesizing emulsified palm oil (d<20 μm), and the chemical oxygen demand (COD) of the influent and effluent was measured to evaluate the treatment performance. MB treatment with PAC and MB treatment with CTAC were found to be more efficient in EO removal than the MB treatment alone. At an EO concentration of ∼1,000 mg L(-1) (pH 7) and under identical treatment conditions (MB generation time: 2.5 min, flotation time: 30 min), MB treatment with PAC (50 mg L(-1)) and that with CTAC (0.5 mg L(-1)) showed equally high EO removal efficiencies of 92 and 89%, respectively. This result is of significant relevance to studies focusing on the development of economical and high-efficiency flotation systems. Furthermore, the effect of pH was investigated by varying the sample pH from 3 to 8, which showed that the EO separation efficiency of MB alone increased drastically from slightly alkaline to acidic condition
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Emulsions
|2 NLM
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|a Oils
|2 NLM
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|a Surface-Active Agents
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Imai, Tsuyoshi
|e verfasserin
|4 aut
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|a Higuchi, Takaya
|e verfasserin
|4 aut
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|a Doi, Ryosuke
|e verfasserin
|4 aut
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|a Teeka, Jantima
|e verfasserin
|4 aut
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|a Xiaofeng, Sun
|e verfasserin
|4 aut
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| 700 |
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|a Teerakun, Mullika
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 66(2012), 5 vom: 10., Seite 1036-43
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:66
|g year:2012
|g number:5
|g day:10
|g pages:1036-43
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|u http://dx.doi.org/10.2166/wst.2012.276
|3 Volltext
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