US EPA

3491078 

Journal Article 

Phenyl-functionalized mesoporous silica materials for the rapid and efficient removal of phthalate esters 

Fan, J; Wang, X; Teng, W; Yang, J; Ran, X; Gou, X; Bai, N; Lv, M; Xu, H; Li, G; Zhang, W; Zhao, D 

2017 

Yes 

Journal of Colloid and Interface Science
ISSN: 0021-9797
EISSN: 1095-7103 

487 

354-359 

English 

27794236 

10.1016/j.jcis.2016.10.042 

WOS:000388550600041 

https://www.proquest.com/scholarly-journals/phenyl-functionalized-mesoporous-silica-materials/docview/2000250694/se-2?accountid=171501
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Phthalate esters (PAEs) are a group of endocrine disrupting compounds, which have been widely used as plasticizers. To alleviate the environmental and health threats from water resources polluted by PAEs, we prepared phenyl functionalized mesoporous silica materials (ph-SBA-15) were synthesized by a simple post-modification approach for rapid and efficient removal of low concentration of di-n-butyl phthalate (DBP) from aqueous solution. Mesostructure, texture, surface chemistry and surface charges were systemically characterized. The obtained ph-SBA-15 possesses a highly ordered mesostructure, a high surface area (418m(2)/g), uniform mesopores (6.5nm) and high-density organic groups around 11wt.%. Batch adsorption experiments revealed that phenyl modified SBA-15 had an excellent ability to remove DBP with the maximum adsorption capacity up to ∼40mg/g at 25°C. The thermodynamics and kinetics for the adsorption were also investigated, demonstrating an exothermic, multi-layer and fast adsorption process. In addition, DBP adsorption was found to be sensitive to the pH and the uptake was observed to be greatest at around pH 7.0. Furthermore, this material can be effectively regenerated by ethanol. 

Mesoporous silica materials; Functionalization; Di-n-butyl phthalate; Adsorption; Water treatment