TY - JOUR
T1 - Combination of ozonation and photocatalysis for purification of aqueous effluents containing formic acid as probe pollutant and bromide ion
AU - Loddo, Vittorio
AU - Augugliaro, Vincenzo
AU - Palmisano, Giovanni
AU - Parrino, Francesco
AU - Camera-Roda, Giovanni
AU - Camera-Roda, null
PY - 2014
Y1 - 2014
N2 - The treatment by advanced oxidation processes (AOPs) of waters contaminated by organic pollutants and containing also innocuous bromide ions may generate bromate ions as a co-product. In the present work heterogeneous photocatalysis and ozonation have individually been applied and in combination (integrated process) to degrade the organic compounds in water containing also bromide anions. The results show that: i) the sole photocatalysis does not produce bromate ions and in the case of its presence, it is able to reduce bromate to innocuous bromide ions; ii) the integration of photocatalysis and ozonation synergistically enhances the oxidation capabilities; and iii) in the integrated process bromate ions are not produced as long as some oxidizable organics are present. © 2013 Elsevier Ltd.
AB - The treatment by advanced oxidation processes (AOPs) of waters contaminated by organic pollutants and containing also innocuous bromide ions may generate bromate ions as a co-product. In the present work heterogeneous photocatalysis and ozonation have individually been applied and in combination (integrated process) to degrade the organic compounds in water containing also bromide anions. The results show that: i) the sole photocatalysis does not produce bromate ions and in the case of its presence, it is able to reduce bromate to innocuous bromide ions; ii) the integration of photocatalysis and ozonation synergistically enhances the oxidation capabilities; and iii) in the integrated process bromate ions are not produced as long as some oxidizable organics are present. © 2013 Elsevier Ltd.
KW - Advanced oxidation processes; Bromate; Ozonation; Photocatalysis; Photocatalytic ozonation; Water purification; Bromates; Bromides; Catalysis; Formates; Ions; Kinetics; Oxidation-Reduction; Ozone; Time Factors; Water Pollutants
KW - Chemical; Ultraviolet Rays; Waste Disposal
KW - Fluid; Water Purification; Water Science and Technology; Waste Management and Disposal; Pollution; Ecological Modeling
KW - Advanced oxidation processes; Bromate; Ozonation; Photocatalysis; Photocatalytic ozonation; Water purification; Bromates; Bromides; Catalysis; Formates; Ions; Kinetics; Oxidation-Reduction; Ozone; Time Factors; Water Pollutants
KW - Chemical; Ultraviolet Rays; Waste Disposal
KW - Fluid; Water Purification; Water Science and Technology; Waste Management and Disposal; Pollution; Ecological Modeling
UR - http://hdl.handle.net/10447/151027
UR - http://www.elsevier.com/locate/watres
M3 - Article
VL - 50
SP - 189
EP - 199
JO - Water Research
JF - Water Research
SN - 0043-1354
ER -