By Marta I. Litter, Roberto J. Candal, J. Martin Meichtry
Advanced Oxidation applied sciences (AOTs) or strategies (AOPs) are rather new and leading edge applied sciences to take away destructive and poisonous pollution. an important tactics between them are these utilizing gentle, corresponding to UVC/H2O2, photo-Fenton and heterogeneous photocatalysis with TiO2. those applied sciences also are fairly inexpensive and hence beneficial for nations less than improvement, the place the reasonably priced assets are scarcer than in built countries.
This booklet offers a state of the art evaluation on environmental functions of complicated Oxidation applied sciences (AOTs) as sustainable, reasonably cheap and low-energy eating remedies for water, air, and soil. It contains details on leading edge study and improvement on TiO2 photocatalytic redox procedures, Fenton, Photo-Fenton techniques, zerovalent iron expertise, and others, highlighting attainable purposes of AOTs in either constructing and industrialized international locations world wide within the framework of “A crosscutting and entire examine environmental problems”.
The e-book is aimed toward execs and teachers around the world, operating within the parts of water assets, water provide, environmental defense, and should be an invaluable info resource for choice and coverage makers and different stakeholders engaged on suggestions for environmental problems.
Read Online or Download Advanced Oxidation Technologies: Sustainable Solutions for Environmental Treatments PDF
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Complicated Oxidation applied sciences (AOTs) or strategies (AOPs) are fairly new and leading edge applied sciences to take away damaging and poisonous pollution. an important techniques between them are these utilizing gentle, reminiscent of UVC/H2O2, photo-Fenton and heterogeneous photocatalysis with TiO2. those applied sciences also are really reasonably cheap and consequently valuable for international locations lower than improvement, the place the cost-efficient assets are scarcer than in built nations.
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Extra resources for Advanced Oxidation Technologies: Sustainable Solutions for Environmental Treatments
6) 6 S. Malato et al. If organic substances (quenchers, scavengers, or in the case of wastewater treatment, pollutants) are present in the Fe2+ /Fe3+ /H2 O2 system, they react in many ways with the generated hydroxyl radicals. The generated organic radicals continue reacting, prolonging the chain reaction and thereby contributing to reduce the consumption of oxidants in wastewater treatment by Fenton and photo-Fenton. In aromatic pollutants, the ring system is usually hydroxylated before it is broken up during oxidation, typically into intermediate degradation products containing quinone and hydroquinone structures.
Gonnet, Prov. Buenos Aires, Argentina & School of Science and Technology, National University of General San Martín, Prov. of Buenos Aires & CONICET, Buenos Aires, Argentina Isabel Oller: Solar Platform of Almería, Center of Energetic, Environmental and Technological Research (CIEMAT), Almería, Spain Guadalupe Ortiz de la Plata: National Institute of Chemical Technology (INTEC), National University of Litoral-CONICET, Santa Fe, Argentina Adriana Pajares: Río Gallegos Academic Unit, National University of Austral Patagonia, Santa Cruz, Argentina & Faculty of Engineering, National University of Patagonia San Juan Bosco, Chubut, Argentina Dionisios Panagiotaras: Mechanical Engineering Department, Technological-Educational Institute of Patras, Patras, Greece Dimitrios Papoulis: Department of Geology, University of Patras, Patras, Greece Liliana B.
5), main light absorbing gases and light absorption of Fe3+ species and TiO2 . solar radiation, and, therefore, the absorber must be UV-transparent, and ii) temperature higher than ambient does not play any significant role in the photocatalytic process and, therefore, no insulation is required. Contrary to solar thermal processes, which are based on the collection of large quantities of photons of all wavelengths to reach a specific temperature range, solar photocatalysis is based on the collection of only high-energy short-wavelength photons to promote photoreactions (Fig.