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231224s2013 xx ||||| 00| ||eng c |
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|a (NLM)23530358
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Cheng, Yue
|e verfasserin
|4 aut
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|a Preparation of stabilized nano zero-valent iron particles via a rheological phase reaction method and their use in dye decolourization
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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 13.06.2013
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a In this study, sodium carboxymethyl cellulose (NaCMC)-stabilized nano zero-valent iron (C-nZVI) was synthesized using a rheological phase reaction method. The orthogonal method was used to evaluate the factors influencing C-nZVI properties and this showed that the reaction time, solid-liquid ratio (w/v), grinding time and NaCMC concentration were all important factors. Characterization with scanning electron microscopy validated the hypothesis that the introduction of CMC led to a decrease in aggregation of iron nanoparticles. X-ray diffraction confirmed the existence of Fe(0) and the strong antioxidant activity of the iron particles. Batch decolourization experiments exhibited that solution pH, C-nZVI dosage and reaction time have significant effects on dye decolourization. A high decolourization efficiency (94.5%) was obtained within 30 min for 100 mg/L of reactive blue-19 at the optimal pH value of 5 and C-nZVI loading of 6 g/L at room temperature. The decolourization rates followed modified pseudo-first-order kinetic equations with respect to dye concentration. The observed removal rate constant was 0.0447 min(-1) for the C-nZVI loading of 6 g/L
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|a Evaluation 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 Anthraquinones
|2 NLM
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|a Coloring Agents
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a Remazol Brilliant Blue R
|2 NLM
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|a L51IMM9UP9
|2 NLM
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|a Lu, Mang
|e verfasserin
|4 aut
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|a Jiao, Chuang
|e verfasserin
|4 aut
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|a Liu, Hai-Jiang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1998
|g 34(2013), 1-4 vom: 19. Jan., Seite 445-51
|w (DE-627)NLM098202545
|x 0959-3330
|7 nnns
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| 773 |
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|g volume:34
|g year:2013
|g number:1-4
|g day:19
|g month:01
|g pages:445-51
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