Effect of organic matter on mobilization of antimony from nanocrystalline titanium dioxide

Antimony (Sb) is of increasing environmental concern worldwide. The sorption behavior of Sb was investigated. Both Sb(III) and Sb(V) were likely to be sorbed onto nanocrystalline titanium dioxide (TiO2). Sorption studies showed that the Sb(V) sorption capacity and rate for TiO2 were greater than tho...

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Veröffentlicht in:Environmental technology. - 1998. - 39(2018), 12 vom: 03. Juni, Seite 1515-1521
1. Verfasser: Yang, Hailin (VerfasserIn)
Weitere Verfasser: Lu, Xiaofei, He, Mengchang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Antimony adsorption humic acid mobilization titanium dioxide Humic Substances 15FIX9V2JP 9IT35J3UV3 Titanium D1JT611TNE
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520 |a Antimony (Sb) is of increasing environmental concern worldwide. The sorption behavior of Sb was investigated. Both Sb(III) and Sb(V) were likely to be sorbed onto nanocrystalline titanium dioxide (TiO2). Sorption studies showed that the Sb(V) sorption capacity and rate for TiO2 were greater than those of Sb(III). The highest Sb(III) and Sb(V) sorption on TiO2, on the basis of the Langmuir equation, were 333 and 588 mmol kg-1, respectively. The study suggested that TiO2 is an effective adsorbent for Sb removal. In addition, Sb mobilization in the presence of humic acid (HA) was found to be highly pH-dependent. For pH values of 9-11, the addition of HA enhanced Sb mobilization significantly. The results highlight the importance of organic matter in the mobilization of Sb in alkaline-contaminated environments 
650 4 |a Journal Article 
650 4 |a Antimony 
650 4 |a adsorption 
650 4 |a humic acid 
650 4 |a mobilization 
650 4 |a titanium dioxide 
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650 7 |a titanium dioxide  |2 NLM 
650 7 |a 15FIX9V2JP  |2 NLM 
650 7 |a Antimony  |2 NLM 
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650 7 |a Titanium  |2 NLM 
650 7 |a D1JT611TNE  |2 NLM 
700 1 |a Lu, Xiaofei  |e verfasserin  |4 aut 
700 1 |a He, Mengchang  |e verfasserin  |4 aut 
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