Procedimiento e instalación de desulfuración del digestato y del biogás de un digestor

Procedimiento de desulfuración del digestato y del biogás en un digestor de efluentes urbanos y/o agrícolas y/o industriales, en vía húmeda y/o seca, estando constituido el digestor por un recinto cerrado en el que tiene lugar una digestión anaeróbica de una masa de productos a tratar, que forma el...

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LESTY, Yves
description Procedimiento de desulfuración del digestato y del biogás en un digestor de efluentes urbanos y/o agrícolas y/o industriales, en vía húmeda y/o seca, estando constituido el digestor por un recinto cerrado en el que tiene lugar una digestión anaeróbica de una masa de productos a tratar, que forma el digestato, con un volumen gaseoso por encima del digestato de donde es extraído el biogás, procedimiento según el cual se toma digestato en un punto del digestor y luego se reinyecta en otro punto, caracterizado por que se hace efectuar al digestato tomado: - un primer trayecto ascendente (10) con inyección de oxidante gaseoso en parte baja para aireación, circulando el oxidante gaseoso y el digestato en el mismo sentido de la corriente, - y un segundo trayecto descendente (12), en condición anaeróbica, antes del retorno al digestor, - siendo evacuado el oxidante gaseoso en exceso en la parte alta (20) de uno al menos de los trayectos. Method for removing sulphur from the digestate and the biogas in a city and/or agricultural and/or industrial effluent digester, using a wet and/or a dry route, the digester (1) being made up of a closed vessel (2) in which a mass of products to be treated, that forms the digestate, undergoes anaerobic digestion with a volume of gas on top of the digestate from which the biogas is extracted, the digestate being drawn off at a point (5) of the digester then reinjected at another point (7). The digestate drawn off is made to follow: an upward first path (10) with injection of gaseous oxidizing agent at the bottom for aeration, the gaseous oxidizing agent and the digestate flowing concurrentwise; and a downward second path (12) under anaerobic conditions before returning to the digester, the excess gaseous oxidizing agent being removed in the top part (20) of at least one of the paths.
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Method for removing sulphur from the digestate and the biogas in a city and/or agricultural and/or industrial effluent digester, using a wet and/or a dry route, the digester (1) being made up of a closed vessel (2) in which a mass of products to be treated, that forms the digestate, undergoes anaerobic digestion with a volume of gas on top of the digestate from which the biogas is extracted, the digestate being drawn off at a point (5) of the digester then reinjected at another point (7). 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Method for removing sulphur from the digestate and the biogas in a city and/or agricultural and/or industrial effluent digester, using a wet and/or a dry route, the digester (1) being made up of a closed vessel (2) in which a mass of products to be treated, that forms the digestate, undergoes anaerobic digestion with a volume of gas on top of the digestate from which the biogas is extracted, the digestate being drawn off at a point (5) of the digester then reinjected at another point (7). The digestate drawn off is made to follow: an upward first path (10) with injection of gaseous oxidizing agent at the bottom for aeration, the gaseous oxidizing agent and the digestate flowing concurrentwise; and a downward second path (12) under anaerobic conditions before returning to the digester, the excess gaseous oxidizing agent being removed in the top part (20) of at least one of the paths.</abstract><oa>free_for_read</oa></addata></record>
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subjects APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
BEER
BIOCHEMISTRY
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT
ENZYMOLOGY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION
SPIRITS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
VINEGAR
WINE
title Procedimiento e instalación de desulfuración del digestato y del biogás de un digestor
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