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231222s2002 xx ||||| 00| ||eng c |
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|a pubmed24n0396.xml
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|a (DE-627)NLM118726609
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|a (NLM)11995864
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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 Lee, Bing-Nan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Catalytic wet oxidation of 2,4-dichlorophenol solutions
|b activity of the manganese-cerium composite catalyst and biodegradability of the effluent stream
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|c 2002
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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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| 500 |
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|a Date Completed 18.10.2002
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|a Date Revised 22.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Aqueous solutions containing 100 to 1000 mg/L of 2,4-dichlorophenol (2,4-DCP) were oxidized in an upflowing fixed-bed reactor in this study of manganese-cerium composite catalysts, which were prepared by the coprecipitation of both manganese nitrate and ceric nitrate at various molar concentrations. Results showed that 2,4-DCP conversion by wet oxidation in the presence of the manganese-cerium composite catalysts was a function of the molar ratio of the manganese-cerium catalyst. The kinetic behavior of 2,4-DCP oxidation with catalysis could be explained by using a zero-order rate expression. Total organic carbon (TOC) removal by wet oxidation in the absence of any catalyst was nil, while approximately 68% TOC reduction was achieved during wet oxidation over a manganese-cerium (7:3 mol/mol) catalyst at 160 degrees C and an oxygen partial pressure of 1.0 MPa. Moreover, the 5-day biochemical oxygen demand/chemical oxygen demand ratios of all the effluent streams were determined to be greater than 0.45 as the wet catalytic processes were carried out at a liquid hourly space velocity less than 24 h (-1), indicating that they could be made more amenable to further biological treatment
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorophenols
|2 NLM
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|a Cerium
|2 NLM
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|a 30K4522N6T
|2 NLM
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|a Manganese
|2 NLM
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|a 42Z2K6ZL8P
|2 NLM
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| 650 |
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|a Chlorine
|2 NLM
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| 650 |
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|a 4R7X1O2820
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 650 |
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|a 2,4-dichlorophenol
|2 NLM
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| 650 |
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7 |
|a R669TG1950
|2 NLM
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| 650 |
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
1 |
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|a Lou, Jie-Chung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yen, Po-Chung
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 74(2002), 1 vom: 26. Jan., Seite 28-32
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:74
|g year:2002
|g number:1
|g day:26
|g month:01
|g pages:28-32
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 74
|j 2002
|e 1
|b 26
|c 01
|h 28-32
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