Anaerobic acidogenic digestion of olive mill wastewaters in biofilm reactors packed with ceramic filters or granular activated carbon

Bertin, Lorenzo; Lampis, Silvia; Todaro, Daniela; Scoma, Alberto; Vallini, Giovanni; Marchetti, Léonardo; Majone, Mauro; Fava, Fabio

doi:10.1016/j.watres.2010.06.025

Cited by 80 publications

(35 citation statements)

References 44 publications

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“…Bertín et al (2010) studied different acidogenic configurations of biofilm reactors using ceramic filters or granular activated carbon with good results.…”

Section: Three-phase Olive Mill Wastewaters (3pomww)mentioning

confidence: 99%

Olive Oil Mill Waste Treatment:Improving the Sustainability of the Olive Oil Industry with Anaerobic Digestion Technology

Rincón¹,

Fermoso²,

Borja³

2012

Olive Oil - Constituents, Quality, Health Properties and Bioconversions

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“…Bertín et al (2010) studied different acidogenic configurations of biofilm reactors using ceramic filters or granular activated carbon with good results.…”

Section: Three-phase Olive Mill Wastewaters (3pomww)mentioning

confidence: 99%

Olive Oil Mill Waste Treatment:Improving the Sustainability of the Olive Oil Industry with Anaerobic Digestion Technology

Rincón¹,

Fermoso²,

Borja³

2012

Olive Oil - Constituents, Quality, Health Properties and Bioconversions

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“…Este proceso ha permitido generar un valor agregado a una variedad de residuos (industriales y agrícolas) al generar productos de alto valor e incursionar en el mercado. Varios estudios han determinado que es posible producir AGV a partir de una variedad de residuos agro-industriales [4], residuos de comida [5][6][7], aguas residuales de aceite de oliva [8,9], vinazas de la industria tequilera [10] y aguas residuales de gaseosas [11]. Para un país como Colombia, donde la actividad agrícola es uno de los principales motores en la economía y al mismo tiempo genera diferentes tipos de residuos sólidos y líquidos, la búsqueda de alternativas que permitan tratar esos residuos para producir materiales o productos de alto valor es una prioridad [12].…”

Section: Introductionunclassified

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…”

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Evaluación del potencial acidogénico para producción de AGV de melaza de la industria azucarera como valorización de este subproducto

Palomino

Ortegón

Betancourt

et al. 2016

rev.ion

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ResumenSe evaluó el potencial acidogénico de la melaza de la industria azucarera en 4 diferentes OLR (6,02±4,33;13,96±7,11;15,81±4,83; 26,94±13,27kgDQO/m 3 .d) en un reactor de fl ujo ascendente, con lodo granular. El sistema no contó con control de pH e inhibición de la fase metanogénica. El reactor operó en continuo durante 148 días. Para evaluar el potencial acidogénico se utilizó el grado de acidifi cación neto (GAn). Los resultados mostraron que durante las tres primeras OLR el %GAn (29,46 ± 13,01; 20,23 ± 13,67; 24,63 ± 19,49) se mantuvo sin diferencias signifi cativas, pero para la mayor OLR el %GAn disminuyó a la tercera parte (10,21 ± 7,14), mientras la concentración de AGV fue la mayor para esta fase (2644,89mgDQO/L), además se avaluó el balance de DQO para cada una de las fases, donde el % de AGV en el efl uente representó el porcentaje orgánico fermentable rápidamente en el efl uente, estos valores indican que con una recirculación interna se podría mejorar el %GAn u obtener otra serie de productos de base biológica para el aprovechamiento de este residuo. En este artículo se utilizó un reactor de fl ujo ascendente como alternativa a los estudiados (CSRT y batch) presentando diferentes resultados. Palabras clave: digestión anaerobia, grado de acidifi cación neto, ácidos grasos volátiles, biorefi nerias, melaza de caña de azúcar. AbstractThe acidogenic potential of molasses from the sugar industry was evaluated using 4 different Organic Loading Rates (OLR) (6.02±4.33; 13.96±7.11; 15.81±4.83; 26.94±13.27kgCOD/m 3 .d) in an upfl ow reactor with granular sludge. No pH control or methanogenesis inhibitors were used. The reactor was continuously operated during 148 days. The acidogenic potential was evaluated based on the net degree of acidifi cation (DAn). For the fi rst 3 OLR, %DAn did not show any signifi cant variability (29.46 ± 13.01; 20.23 ± 13.67; 24.63 ± 19.49), but for the highest OLR, %DAn dropped to a third of its initial value (10.21 ± 7.14), although the volatile fatty acid (VFA) concentration was the highest (2644.89mgCOD/L). Also, a COD balance was done for each of the 4 OLR. The VFA percentage in the effl uent was assumed to be

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“…Within this range polyphenols can potentially have inhibition effect on bacteria activity involved in OMW biological treatment (Ntaikou et al, 2009). As consequence of that, OMW disposal requires physicochemical treatment, such as coupled evaporation and combustion, chemical coagulation and sorption, and oxidation (Kestioglu et al, 2005), although microbiological treatments, such as anaerobic digestion have, also, been tested (Bertín et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Using olive mill wastewater to improve performance in producing electricity from domestic wastewater by using single-chamber microbial fuel cell

Sciarria

Tenca²,

D’Epifanio

et al. 2013

Bioresource Technology

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h i g h l i g h t sOlive mill wastewater (OMW) represents a problem for its disposal and treatment. Single-chamber MFC was used to produce electricity from OMW and wastewater (DW). MFCs fed with DW plus OMW gave 0.38 V (1 kO) and a power density of 124.6 mW m À2 . TCOD and BOD 5 of DW plus OMW mix was reduced of 65% and 50% respectively. Microbial characterization of electrodes bacterial communities indicate anode differences. Improving electricity generation from wastewater (DW) by using olive mill wastewater (OMW) was evaluated using single-chamber microbial fuel cells (MFC). Doing so single-chambers air cathode MFCs with platinum anode were fed with domestic wastewater (DW) alone and mixed with OMW at the ratio of 14:1 (w/w). MFCs fed with DW + OMW gave 0.38 V at 1 kO, while power density from polarization curve was of 124.6 mW m À2 . The process allowed a total reduction of TCOD and BOD 5 of 60% and 69%, respectively, recovering the 29% of the coulombic efficiency. The maximum voltage obtained from MFC fed with DW + OMW was 2.9 times higher than that of cell fed with DW. DNA-fingerprinting showed high bacterial diversity for both experiments and the presence on anodes of exoelectrogenic bacteria, such as Geobacter spp. Electrodes selected peculiar consortia and, in particular, anodes of both experiments showed a similar specialization of microbial communities independently by feeding used.

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Anaerobic acidogenic digestion of olive mill wastewaters in biofilm reactors packed with ceramic filters or granular activated carbon

Cited by 80 publications

References 44 publications

Olive Oil Mill Waste Treatment:Improving the Sustainability of the Olive Oil Industry with Anaerobic Digestion Technology

Olive Oil Mill Waste Treatment:Improving the Sustainability of the Olive Oil Industry with Anaerobic Digestion Technology

Evaluación del potencial acidogénico para producción de AGV de melaza de la industria azucarera como valorización de este subproducto

Using olive mill wastewater to improve performance in producing electricity from domestic wastewater by using single-chamber microbial fuel cell

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