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20250215013459.0 |
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231224s2012 xx ||||| 00| ||eng c |
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|a (NLM)23437671
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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 Mohapatra, D P
|e verfasserin
|4 aut
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|a Partial ozonation pre-treatment for sludge solubilization and simultaneous degradation of bisphenol A
|b quantification studies
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|c 2012
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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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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 14.03.2013
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|a Date Revised 03.01.2025
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|a published: Print
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|a Citation Status MEDLINE
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|a Ozonation pre-treatment was investigated for the enhancement of sludge solids and organic matter solubilization and simultaneous degradation of bisphenol A (BPA), an endocrine disruptor compound from wastewater sludge (WWS). The ultrafast method (15 s per sample) used for the analysis of BPA in WWS is based on Laser Diode Thermal Desorption/Atmospheric Pressure Chemical Ionization coupled to tandem Mass Spectrometry. The statistical methods used for optimization studies comprised the response surface method with fractional factorial designs and central composite designs. The ozonation pre-treatment process was carried out with four independent variables, namely WWS solids concentration (15-35 g l(-1)), pH (5-7), ozone dose (5-25 mg g(-1) SS) and ozonation time (10-30 min). It was observed that among all the variables studied, ozone dose had more significantly (probability (p) < 0.001) affected the efficiency of the ozonation pre-treatment by increasing sludge solids (suspended solids (SS) and volatile solids) solubilization and organic matter (soluble chemical oxygen demand and soluble organic carbon) increment and BPA degradation from WWS. During the optimization process, it was found that higher BPA degradation (100%) could be obtained with 24 g l(-1) SS, 6.23 pH with an ozone dose of 26.14 mg g(-1) SS for 16.47 min ozonation time. The higher ozone dose used in this study was observed to be cost effective on the basis of solids and organic matter solubilization and degradation of BPA
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Benzhydryl Compounds
|2 NLM
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|a Phenols
|2 NLM
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|a Sewage
|2 NLM
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|a Ozone
|2 NLM
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|a 66H7ZZK23N
|2 NLM
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|a bisphenol A
|2 NLM
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|a RW57K3X12M
|2 NLM
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|a Brar, S K
|e verfasserin
|4 aut
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|a Tyagi, R D
|e verfasserin
|4 aut
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|a Picard, P
|e verfasserin
|4 aut
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|a Surampalli, R Y
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1998
|g 33(2012), 22-24 vom: 04. Dez., Seite 2699-708
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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|g volume:33
|g year:2012
|g number:22-24
|g day:04
|g month:12
|g pages:2699-708
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|d 33
|j 2012
|e 22-24
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|h 2699-708
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