Significant production of elemental bromine (Br2) was observed for the first time when treating bromide containing solutions at acidic pH, with TiO2photocatalyst, ozone, or a combination thereof. Br2selectivities up to approximately 85 % were obtained and the corresponding bromine mass balance values satisfied. The process is general and may be applied at a laboratory scale for green bromination reactions, or industrially as a cheap, safe, and environmentally sustainable alternative to the currently applied bromine production methods.
Parrino, F., Camera Roda, G., Loddo, V., Palmisano, L. (2016). Elemental Bromine Production by TiO2Photocatalysis and/or Ozonation. ANGEWANDTE CHEMIE. INTERNATIONAL EDITION, 55(35), 10391-10395 [10.1002/anie.201603635].
Elemental Bromine Production by TiO2Photocatalysis and/or Ozonation
PARRINO, Francesco;LODDO, Vittorio;PALMISANO, Leonardo
2016-01-01
Abstract
Significant production of elemental bromine (Br2) was observed for the first time when treating bromide containing solutions at acidic pH, with TiO2photocatalyst, ozone, or a combination thereof. Br2selectivities up to approximately 85 % were obtained and the corresponding bromine mass balance values satisfied. The process is general and may be applied at a laboratory scale for green bromination reactions, or industrially as a cheap, safe, and environmentally sustainable alternative to the currently applied bromine production methods.
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