Biomethanization

Ursinos, J. A. Fiestas Ros de; Borja-Padilla, R.

doi:10.1016/s0964-8305(96)00043-1

Cited by 39 publications

(17 citation statements)

References 5 publications

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“…These results suggest that agronomic application of OMW and PR had a greater effect on the OC content than on the N content of the soil. Dick (1983) indicated that the lower soil C/N ratio is due to the greater mineralization rates of organic OC vs. N. The main constituents of the organic fraction of OMW are proteins and sugars that are easily biodegradable and, to a lesser degree, organic acids, polyalcohols, fats, polyphenols, and others (Fiestas Ros de Ursinos and Borja-Padilla, 1996).…”

Section: Resultsmentioning

confidence: 99%

Agronomic application of olive mill wastewaters with phosphate rock in a semi-arid Mediterranean soil modifies the soil properties and decreases the extractable soil phosphorus

Mechri¹,

Attia²,

Braham³

et al. 2007

Journal of Environmental Management

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Section: Resultsmentioning

confidence: 99%

Agronomic application of olive mill wastewaters with phosphate rock in a semi-arid Mediterranean soil modifies the soil properties and decreases the extractable soil phosphorus

Mechri¹,

Attia²,

Braham³

et al. 2007

Journal of Environmental Management

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“…These pollutants exhibits low biodegradability, since they include several phenolic compounds [5,6] that are highly phytotoxic and show antibacterial activity and thus resistance to biological degradation [7][8][9]. Therefore, treatment and managing olive-mills wastewater have been extensively investigated during the last 50 years with the aim at finding a solution,…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic Degradation of Some Phenolic Compounds Present in Olive Mill Wastewater

Rimawi¹,

Salim²,

Seder³

et al. 2018

Asian J. Chem.

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The olive oil industry in Palestine is an important and widely spread one and accomplished with the release of large amounts of olive-mills wastewater. This wastewater represents a significant environmental problem due to its high phenolic content. In this work, the photocatalytic degradation of the some phenolic compounds (gallic acid, oleuropein and resorcinol) present in olive-mills wastewater using the synthesized nanoparticles of mixed SnO2-MgO catalyst and solar irradiation was performed. The nanoparticles of mixed SnO2-MgO catalyst with different ratios were prepared by sol gel method using a modified procedure. The obtained particles were characterized by SEM and XRD. The particle size was determined as 4.32 ± 0.42 nm which is much smaller than those previously prepared by standard procedures. The degradation percentage of phenolic compounds was measured by UV spectrophotometry. The effect of time, catalyst amount and phenolic compound concentration on degradation efficiency was studied. The maximum degradation was achieved using SnO2-MgO (4:1) catalyst, 2.5 mg catalyst per 5 mL solution, within the time of 60-120 min and ranged from 51 to 90 % for different concentrations of phenolic compounds.Keywords: Photocatalytic degradation, Olive mill wastewater, Gallic acid, Resorcinol, Oleuropein.Asian Journal of Chemistry; Vol. 30, No. 9 (2018), 1994-1998 This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License, which allows others to copy and redistribute the material in any medium or format, remix, transform, and build upon the material, as long as appropriate credit is given and the new creations are licensed under the identical terms.

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“…Studies on the valorization of OMW concern aerobic treatment for single cell protein production using fungi or yeasts or anaerobic treatment for biogas production (4,5). The research on OMW valorization, moreover, has been mainly focused on the degradation of the phenolic compounds responsible for the black color of wastewaters, because their breakdown is considered the limiting step in the bioremedation (6,7).…”

Section: Introductionmentioning

confidence: 99%

Nonisothermal Bioreactors in the Treatment of Vegetation Waters from Olive Oil: Laccase versus Syringic Acid as Bioremediation Model

Attanasio

Diano

Grano

et al. 2008

Biotechnol Progress

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Laccase from Trametes versicolor was immobilized by diazotization on a nylon membrane grafted with glycidil methacrylate, using phenylenediamine as spacer and coupling agent. The behavior of these enzyme derivatives was studied under isothermal and nonisothermal conditions by using syringic acid as substrate, in view of the employment of these membranes in processes of detoxification of vegetation waters from olive oil mills. The pH and temperature dependence of catalytic activity under isothermal conditions has shown that these membranes can be usefully employed under extreme pH and temperatures. When employed under nonisothermal conditions, the membranes exhibited an increase of catalytic activity linearly proportional to the applied transmembrane temperature difference. Percentage activity increases ranging from 62% to 18% were found in the range of syringic acid concentration from 0.02 to 0.8 mM, when a difference of 1 degrees C was applied across the catalytic membrane. Because the percentage activity increase is strictly related to the reduction of the production times, the technology of nonisothermal bioreactors has been demonstrated to be an useful tool also in the treatment of vegetation waters from olive oil mills.

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Biomethanization

Cited by 39 publications

References 5 publications

Agronomic application of olive mill wastewaters with phosphate rock in a semi-arid Mediterranean soil modifies the soil properties and decreases the extractable soil phosphorus

Agronomic application of olive mill wastewaters with phosphate rock in a semi-arid Mediterranean soil modifies the soil properties and decreases the extractable soil phosphorus

Photocatalytic Degradation of Some Phenolic Compounds Present in Olive Mill Wastewater

Nonisothermal Bioreactors in the Treatment of Vegetation Waters from Olive Oil: Laccase versus Syringic Acid as Bioremediation Model

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