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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed25n0531.xml
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|a (DE-627)NLM159171377
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|a (NLM)16312969
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Wang, X C
|e verfasserin
|4 aut
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|a Application of a virological tracer method for the assessment of pathogen removal by physicochemical treatment and chemical disinfection
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|b nc
|2 rdacarrier
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|a Date Completed 12.07.2006
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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 Coxsackie B3 (CoxB3) virus was used as a virological tracer for an assessment of the efficiency of pathogen removal by several typical physicochemical treatment and chemical disinfection processes, such as coagulation-filtration, ultra-filtration, and disinfection using chlorine and ozone, with regard to the pathogenic quality of the treated domestic wastewater for reuse purposes. The CoxB3 virus was seeded to sterilized secondary effluent to make a raw water of known pathogenic level. After applying the raw water to each treatment or disinfection process, the residual virus in the finished water was concentrated, and virus assay was carried out by the Tissue Culture Infectious Dose technique. TCID50 was used as an indicative parameter of CoxB3 virus in the raw and treated water. Parallel experiments were also conducted to evaluate the effectiveness of each process for the removal of coliform bacteria. It was noticed from the experiment that both coagulation-filtration and ultrafiltration could achieve substantial removal of TCID50 at about the same level (2-log removal). However, the effect of the two processes on the removal of coliform bacteria was much different: 2-log removal by coagulation-filtration and 4 to 5-log removal by ultrafiltration. The TCID50 removal correlates more closely with the removal of turbidity than that of coliform bacteria. Chlorine was found to be effective in coliform removal but almost had no effect on TCID50. As ozone was applied, a high removal of both coliform bacteria and TCID50 could be obtained
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|a Comparative Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorine
|2 NLM
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|a 4R7X1O2820
|2 NLM
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|a Ozone
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|a Qiu, F G
|e verfasserin
|4 aut
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|a Xue, X P
|e verfasserin
|4 aut
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|a Lu, X
|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 52(2005), 8 vom: 24., Seite 205-12
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:52
|g year:2005
|g number:8
|g day:24
|g pages:205-12
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