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231222s2003 xx ||||| 00| ||eng c |
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|a pubmed25n0412.xml
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|a (DE-627)NLM123555663
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|a (NLM)12578175
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Moon, B H
|e verfasserin
|4 aut
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|a Effects of salt concentration on floc characteristics and pollutants removal efficiencies in treatment of seafood wastewater by SBR
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|c 2003
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
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|2 rdamedia
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|b nc
|2 rdacarrier
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|a Date Completed 02.05.2003
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a Most seafood wastewater has been treated by the activated sludge process. Due to changes in salt concentration, pollutant loadings and raw materials, the process is not operated satisfactorily to meet effluent regulation. Most problems faced at present are solid liquid separation. In this study, effects of salt concentration on floc characteristics and pollutants removal efficiencies were investigated in treatment of seafood wastewater by SBR. For analyzing fractal dimension of flocs, the small angle laser light scattering (SALLS) method was applied using a Diffraction Particle Sizer (Malvern Instruments). Organic removal efficiencies (in terms of COD(Mn)) decreased with increasing salt concentration, but eventually reached a steady state. Fractal dimension and floc size also showed similar trends with changing salt concentration. The main reasons to reduced pollutant removal efficiencies were deteriorated biological activity and settling properties. The biological activity was affected faster than the floc characteristics by increasing salt concentration. The deteriorated settling properties were explained by decreased size and fractal dimension of floc due to increasing salt concentration. The settling properties of floc such as sludge volume index (SVI) and zone settling velocity (ZSV) were related to size and fractal dimension of floc. The fractal dimension of floc was better related to the settling properties than the size of floc
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Water Pollutants
|2 NLM
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
|2 NLM
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1 |
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|a Seo, G T
|e verfasserin
|4 aut
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1 |
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|a Lee, T S
|e verfasserin
|4 aut
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1 |
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|a Kim, S S
|e verfasserin
|4 aut
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1 |
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|a Yoon, C H
|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 47(2003), 1 vom: 20., Seite 65-70
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:47
|g year:2003
|g number:1
|g day:20
|g pages:65-70
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|d 47
|j 2003
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|h 65-70
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