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Optimization of biological processes and treatment for the conversion of nitrogen aqueous pollutions

Objetivo

The main objectives of the research are to study: the reactional aspects, on cultures fixed on immersed fine granular medium and/or in free cultures, of the steps of nitrification (nitritation, nitratation) and of denitrification (denitritation, denitratation) in order to control the nitrates; and the steps, using fixed or free cultures, of the integrated nitrification and denitrification or nitratation and denitratation integrated processes on different effluents (urban and agroindustry residual wastes waters) in order to optimize them.

The research work is divided in 2 main parts as follows.
The kinetic approach: control of different conditions (physical, biological and chemical) of the reactions in order to control the shunt of the nitrates, in discontinuous reactors (lab scale) and on selected microflora and in continuously fed reactors of filter type immersed in natural and/or thermoplastic granular media (clay, pouzzolane).
The process approach: to be performed on urban waste water and agroindustry and livestock waste waters with processes integrated in classical treatment schemes. 2 types of processes will be studied: free cultures of activated sludge type or fixed cultures (percolation or granular immersed beds). The assimilable carbon will be first identified in each effluent, then laboratory pilots fed with real effluents will be used.

Tema(s)

Data not available

Convocatoria de propuestas

Data not available

Régimen de financiación

CSC - Cost-sharing contracts

Coordinador

Institut National des Sciences Appliquées de Toulouse (INSA)
Aportación de la UE
Sin datos
Dirección
Avenue de Rangueil
31077 Toulouse
Francia

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Coste total
Sin datos

Participantes (5)