Elemental Bromine Production by TiO2 Photocatalysis and/or Ozonation

6533b838fe1ef96bd12a46aa

RESEARCH PRODUCT

Elemental Bromine Production by TiO2 Photocatalysis and/or Ozonation

Francesco Parrino Vittorio Loddo Giovanni Camera Roda Leonardo Palmisano

subject

Ozone 010504 meteorology & atmospheric sciences bromine ozonation Inorganic chemistry chemistry.chemical_element 010501 environmental sciences Laboratory scale 010402 general chemistry 01 natural sciences Catalysis Catalysi photocatalysi chemistry.chemical_compound Nitric acid Bromide TiO2 0105 earth and related environmental sciences Settore ING-IND/24 - Principi Di Ingegneria Chimica Bromine Chemistry (all)Halogenation Tio2 photocatalyst General Medicine General Chemistry 0104 chemical sciences nitric acid chemistry Photocatalysis

description

Significant production of elemental bromine (Br2 ) was observed for the first time when treating bromide containing solutions at acidic pH, with TiO2 photocatalyst, ozone, or a combination thereof. Br2 selectivities 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.

year	journal	country	edition	language
2016-07-27	Angewandte Chemie International Edition

https://doi.org/10.1002/anie.201603635

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