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Solubilization of 4,4'-dibromodiphenyl Ether Under Combined TX-100 and Cosolvents

Solubilization of 4,4'-dibromodiphenyl Ether Under Combined TX-100 and Cosolvents

Xingjian Yang, Guining Lu, Rui Wang, Chuling Guo, Hongliang Zhang, Zhi Dang

Environ Sci Pollut Res Int. 2015 Mar;22(5):3856-64.

PMID: 25269841

Abstract:

This paper is focused on the selection of cosolvents in the remediation of contaminated soils. The aim of this study was to investigate the combined effects of Triton X-100 (TX-100) and different cosolvents on the solubilization behavior of 4,4'-dibromodiphenyl ether (BDE-15) and the washing of BDE-15 from a contaminated soil. (1)H NMR spectroscopies were used to elucidate the interactions among TX-100, cosolvents, and BDE-15 in aqueous micellar solution. Results showed that the solubility of BDE-15 was enhanced by the observed synergism among TX-100, BDE-15, and cosolvents, and the TX-100/dimethyl sulfoxide (DMSO) system exhibited the best performance in the solubilization of BDE-15. Similar synergism was further evidenced in the washing of BDE-15 from a contaminated soil. With 10 % (v/v) DMSO and 6.4 mM TX-100 solution added, considerable synergistic effect was achieved in TX-100/DMSO system, leading to the highest removal efficiency (92.9 %) of BDE-15 from the soil, relative to that of 67.3 % with TX-100 alone at the same concentration.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP2050477	BDE No 15 solution		2050-47-7	Price

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