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Anaerobic Biotechnology for Sewage Sludge Treatment Integrating Anaerobic Biole...

Anaerobic Biotechnology for Sewage Sludge Treatment Integrating Anaerobic Bioleaching with Anaerobic Digestion During wastewater treatment, a significant amount of sewage sludge (SS) is generated as a by-product, with an estimated production in Europe alone of 2 bio tons/yr. SS use as fertilizer and anaerobic digestion are 2 disposal route... ver más

17/06/2020

KU Leuven

173K€

Presupuesto del proyecto: 173K€

Líder del proyecto

KATHOLIEKE UNIVERSITEIT LEUVEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Ver 4 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2020-06-17

MSCA-IF-2017: Individual Fellowships

I+D

Cerrada hace 7 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

4 Participantes

KU Leuven

172.80K€ | Lider

CONSULTORIA Y COMUNICACIONES...

234.37K€ | Participante

INETUM ESPAÑA

539.01K€ | Participante

TRABAJOS CATASTRALES

1.44M€ | Participante

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Duración del proyecto: 26 meses Fecha Inicio: 2018-03-19
Fecha Fin: 2020-06-17

Líder del proyecto

KATHOLIEKE UNIVERSITEIT LEUVEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 173K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto During wastewater treatment, a significant amount of sewage sludge (SS) is generated as a by-product, with an estimated production in Europe alone of 2 bio tons/yr. SS use as fertilizer and anaerobic digestion are 2 disposal routes that comply with current legislative guidelines on waste disposal and environment. Anaerobic digestion (AD) is widely applied, resulting in volume reduction and biogas production. However, high heavy metal (HM) contents in SS impede the use of raw SS or AD effluent to be used as fertilizer. Bioleaching is based on the activity of Fe-and S-oxidizing microbes, capable of degrading metal sulfides and solubilizing HM. Because of its potential to remove HMs from solid matrices, bioleaching has been considered as a promising technique for both raw SS and AD effluent. In this regard, studies have been performed on conventional oxidative bioleaching approach (OBL). However, the rate of HM dissolution through OBL is slow, it requires aeration and addition of leaching agents (acids, bases, etc), which increases costs. Also, the inevitable formation of by-products limits the process efficiency. Recently, anaerobic bioleaching (ABL) has been a choice to recover HMs of different sources,with benefits of acid production and minimization of by-products. However, up to now, ABL has not been introduced in SS treatment. Furthermore, the application of ABL to sewage sludge prior to AD digestion offers various potential advantages: (i) the bio-availability of HM (which serve as micronutrients to AD microorganisms) is increased, (ii) volatile fatty acids (VFA), very important AD intermediates, are produced; and (iii) the sludge is already in a reduced state before in enters the digesters. In this research project, we will obtain essential knowledge about (1) ABL as sludge treatment, and (2) the effect of ABL on the efficiency of subsequent AD. By filling these gaps in knowledge, we are one step closer to a clean-up and valorisation strategy for sewage sludge.

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