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231224s2013 xx ||||| 00| ||eng c |
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|e rakwb
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|a eng
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|a Liu, Peng
|e verfasserin
|4 aut
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|a Advanced oxidation of hypophosphite and phosphite using a UV/H2O2 process
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|c 2013
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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 16.01.2014
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a The oxidation of hypophosphite and phosphite in an aqueous solution by an ultraviolet (UV)/H2O2 process was studied in this work. The reactions were performed in a lab-scale batch photoreactor. The effect of different parameters such as H2O2 dosage, H2O2 feeding mode and the initial pH of the solution on the oxidation efficiency of the process was investigated. The results indicated that the UV/H2O2 process could effectively oxidize hypophosphite and phosphite in both synthesized and real wastewater. However, neither H2O2 nor UV alone was able to appreciably oxidize the hypophosphite or phosphite. The best way of feeding H2O2 was found to be 'continuous feeding', which maximized the reaction rate. It was also found that the process presented a wide range of applicable initial pH (5-11). When treating real rinse-wastewater, which was obtained from the electroless nickel plating industry, both hypophosphite and phosphite were completely oxidized within 60 min, and by extending by another 30 min, over 90% of the chemical oxygen demand removal was obtained. Without any additional catalyst, the UV/H2O2 process can oxidize hypophosphite and phosphite to easily removable phosphate. It is really a powerful and environmentally friendly treatment method for the wastewater containing hypophosphite and phosphite
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Phosphites
|2 NLM
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|a Waste Water
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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1 |
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|a Li, Chaolin
|e verfasserin
|4 aut
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|a Liang, Xingang
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Jianhui
|e verfasserin
|4 aut
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|a Lu, Gang
|e verfasserin
|4 aut
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|a Ji, Fei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1998
|g 34(2013), 13-16 vom: 17. Juli, Seite 2231-9
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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|g volume:34
|g year:2013
|g number:13-16
|g day:17
|g month:07
|g pages:2231-9
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