Performance and microbial analysis during long‐term anaerobic digestion of olive mill wastewater in a packed‐bed biofilm reactor

2019 ◽  
Vol 95 (3) ◽  
pp. 850-861 ◽  
Author(s):  
Ghizlane Enaime ◽  
Edith Nettmann ◽  
Stephan Berzio ◽  
Abdelaziz Baçaoui ◽  
Abdelrani Yaacoubi ◽  
...  
Keyword(s):  
Anaerobic Digestion ◽  
Packed Bed ◽  
Olive Mill Wastewater ◽  
Biofilm Reactor ◽  
Microbial Analysis ◽  
Olive Mill

Packed-bed biofilm reactor for semi-continuous anaerobic digestion of olive mill wastewater: performances and COD mass balance analysis

2019 ◽  
Vol 41 (20) ◽  
pp. 2657-2669 ◽  
Author(s):  
Ghizlane Enaime ◽  
Abdelaziz Baçaoui ◽  
Abdelrani Yaacoubi ◽  
Stephan Berzio ◽  
Marc Wichern ◽  
...  
Keyword(s):  
Anaerobic Digestion ◽  
Mass Balance ◽  
Packed Bed ◽  
Olive Mill Wastewater ◽  
Biofilm Reactor ◽  
Balance Analysis ◽  
Mass Balance Analysis ◽  
Olive Mill

Enhancement of the anaerobic digestion of olive mill wastewater by the removal of phenolic inhibitors

1992 ◽  
Vol 27 (4) ◽  
pp. 231-237 ◽  
Author(s):  
R. Borja ◽  
A. Martin ◽  
R. Maestro ◽  
J. Alba ◽  
J.A. Fiestas
Keyword(s):  
Anaerobic Digestion ◽  
Olive Mill Wastewater ◽  
Olive Mill

scholarly journals Structure of Microbial Communities When Complementary Effluents Are Anaerobically Digested

2021 ◽  
Vol 11 (3) ◽  
pp. 1293
Author(s):  
Ana Eusébio ◽  
André Neves ◽  
Isabel Paula Marques
Keyword(s):  
Anaerobic Digestion ◽  
Microbial Communities ◽  
Volatile Fatty Acids ◽  
Olive Mill Wastewater ◽  
Organic Load ◽  
Rrna Gene ◽  
Bacterial Populations ◽  
Next Generation Sequencing Ngs ◽  
Generation Sequencing ◽  
Olive Mill

Olive oil and pig productions are important industries in Portugal that generate large volumes of wastewater with high organic load and toxicity, raising environmental concerns. The principal objective of this study is to energetically valorize these organic effluents—piggery effluent and olive mill wastewater—through the anaerobic digestion to the biogas/methane production, by means of the effluent complementarity concept. Several mixtures of piggery effluent were tested, with an increasing percentage of olive mill wastewater. The best performance was obtained for samples of piggery effluent alone and in admixture with 30% of OMW, which provided the same volume of biogas (0.8 L, 70% CH4), 63/75% COD removal, and 434/489 L CH4/kg SVin, respectively. The validation of the process was assessed by molecular evaluation through Next Generation Sequencing (NGS) of the 16S rRNA gene. The structure of the microbial communities for both samples, throughout the anaerobic process, was characterized by the predominance of bacterial populations belonging to the phylum Firmicutes, mainly Clostridiales, with Bacteroidetes being the subdominant populations. Archaea populations belonging to the genus Methanosarcina became predominant throughout anaerobic digestion, confirming the formation of methane mainly from acetate, in line with the greatest removal of volatile fatty acids (VFAs) in these samples.

scholarly journals Performance and dynamic modeling of a continuously operated pomace olive packed bed for olive mill wastewater treatment and phenol recovery

Chemosphere ◽  
2021 ◽  
pp. 130797
Author(s):  
Amina Lissaneddine ◽  
Laila Mandi ◽  
Mounir El Achaby ◽  
Emmanuel Mousset ◽  
Eldon R. Rene ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Dynamic Modeling ◽  
Packed Bed ◽  
Olive Mill Wastewater ◽  
Olive Mill

Kinetic study of anaerobic digestion of olive mill wastewater previously fermented with Aspergillus terreus

1993 ◽  
Vol 28 (6) ◽  
pp. 397-404 ◽  
Author(s):  
R. Borja ◽  
S.E. Garrido ◽  
L. Martínez ◽  
A. Ramos-Cormenzana ◽  
A. Martín
Keyword(s):  
Anaerobic Digestion ◽  
Kinetic Study ◽  
Aspergillus Terreus ◽  
Olive Mill Wastewater ◽  
Olive Mill

scholarly journals Long-Term Evaluation of Mesophilic Semi-Continuous Anaerobic Digestion of Olive Mill Solid Waste Pretreated with Steam-Explosion

Energies ◽  
2019 ◽  
Vol 12 (11) ◽  
pp. 2222 ◽  
Author(s):  
Antonio Serrano ◽  
Fernando G. Fermoso ◽  
Bernabé Alonso-Fariñas ◽  
Guillermo Rodríguez-Gutiérrez ◽  
Sergio López ◽  
...  
Keyword(s):  
Anaerobic Digestion ◽  
Phenolic Compounds ◽  
Solid Waste ◽  
Steam Explosion ◽  
Loading Rates ◽  
Microbial Inhibitors ◽  
Olive Mill Solid Waste ◽  
Term Evaluation ◽  
Olive Mill

Steam-explosion is a promising technology for recovering phenolic compounds from olive mill solid waste (OMSW) due to its high impact on the structure of the fibre. Moreover, the recovery of the phenols, which are well-known microbial inhibitors, could improve the subsequent biomethanization of the dephenolized OMSW to produce energy. However, there is a considerable lack of knowledge about how the remaining phenolic compounds could affect a long-term biomethanization process of steam-exploded OMSW. This work evaluated a semi-continuous mesophilic anaerobic digestion of dephenolized steam-exploited OMSW during a long operational period (275 days), assessing different organic loading rates (OLRs). The process was stable at an OLR of 1 gVS/(L·d), with a specific production rate of 163 ± 28 mL CH4/(gVS·d). However, the increment of the OLR up to 2 gVS/(L·d) resulted in total exhaust of the methane production. The increment in the propionic acid concentration up to 1486 mg/L could be the main responsible factor for the inhibition. Regardless of the OLR, the concentration of phenolic compounds was always lower than the inhibition limits. Therefore, steam-exploited OMSW could be a suitable substrate for anaerobic digestion at a suitable OLR.

Long-term field evaluation of the changes in fruit and olive oil chemical compositions after agronomic application of olive mill wastewater with rock phosphate

2018 ◽  
Vol 239 ◽  
pp. 664-670 ◽  
Author(s):  
Meriem Tekaya ◽  
Sinda El-Gharbi ◽  
Hechmi Chehab ◽  
Faouzi Attia ◽  
Mohamed Hammami ◽  
...  
Keyword(s):  
Olive Oil ◽  
Rock Phosphate ◽  
Field Evaluation ◽  
Olive Mill Wastewater ◽  
Chemical Compositions ◽  
Olive Mill ◽  
Term Field
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