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Contenu archivé le 2024-05-07

Water recovery from olive mill wastewaters after photocatalytic detoxification and desinfection

Objectif

The olive oil production is a large scale agricultural activity of the southern regions with very strong economical significance. During olive oil production, waste waters are generated (OMW) giving place to a serious environmental prsblem due to the presence of recalcitrant compounds with biostatic and toxic action. The objective of this project is the development and application of a photochemical detoxification technology for the mineralisation of the recalcitrant contaminants of OMW, allowing the water recovery and reuse for agricultural or industrial purposes.

The basic idea of the project is that Advanced Oxidation Processes (AOP), like Photo Fenton type reactions and tio2 photocatalyzed degradation processes, can be used as treatment methods for OMW, using solar irradiation captured by simple, inexpensive and efficient non concentrating solar collector technology, which seems to be the best technological solution to Solar Detoxification Systems. In fact, initial photocatalytic experiments, at engineering scale, to prove the feasibility of the solar water detoxification systems have already been done at basic research level, with promising results. However, an industrial and extensive research on photocatalytic degradation of olive mill wastewaters and the application of sunlight has not been performed yet.

So, we propose in this project the development of the following main tasks: . To study the influence of the main parameters involved in the photocatalytic process (reactants, concentrations, reaction rates, irradiation levels, etc.) . To develop the specific technology components not yet available, optimized to the application that is the target of the project. . To test these different reactors (4) to detect the possible improvements and to select the best available technology. . To install the selected reactor prototype in a small pilot plant, integrated in an existing industrial factory, under real working conditions. We believe that the skill acquired with the above mentioned activities in addition to the thorough technical, economic and marketing analysis, will lead to the development of an environmental European technology that will open a today nonexistent market, but for sure1 with a huge potential for the next century. Since the major objective of this project is the development of a new process for water detoxification, the project can be considered as environmental-friendly. By applying this process a major environmental problem of small and medium enterprises like olive mills will be eliminated, thus increasing the competitiveness of these companies.

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Coordinateur

Instituto Nacional de Engenharia e Tecnologia Industrial
Contribution de l’UE
Aucune donnée
Adresse
ESTRADA DO PAçO DO LUMIAR, 22
1699 LISBOA
Portugal

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