Feasibility of physico-chemical treatment and Advanced Oxidation Processes (AOPs) as a means of pretreatment of olive mill effluent (OME)

2005 ◽  
Vol 40 (7) ◽  
pp. 2409-2416 ◽  
Author(s):  
Kadir Kestioğlu ◽  
Taner Yonar ◽  
Nuri Azbar
Keyword(s):  
Chemical Treatment ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Oxidation Processes ◽  
Physico Chemical ◽  
Olive Mill

scholarly journals Persulfate Process Activated by Homogeneous and Heterogeneous Catalysts for Synthetic Olive Mill Wastewater Treatment

Water ◽  
2021 ◽  
Vol 13 (21) ◽  
pp. 3010
Author(s):  
Eva Domingues ◽  
Maria João Silva ◽  
Telma Vaz ◽  
João Gomes ◽  
Rui C. Martins
Keyword(s):  
Phenolic Compounds ◽  
Red Mud ◽  
Advanced Oxidation Processes ◽  
Heterogeneous Catalysts ◽  
Advanced Oxidation ◽  
Iron Sulfate ◽  
Toxicity Tests ◽  
Oxidation Processes ◽  
Toc Removal ◽  
Olive Mill

Wastewaters from the olive oil industry are a regional environmental problem. Their phenolic content provides inherent toxicity, which reduces the treatment potential of conventional biological systems. In this study, Sulfate Radical based Advanced Oxidation Processes (SRbAOPs) are compared with advanced oxidation processes (namely Fenton’s peroxidation) as a depuration alternative. Synthetic olive mill wastewaters were submitted to homogeneous and heterogeneous SRbAOPs using iron sulfate and solid catalysts (red mud and Fe-Ce-O) as the source of iron (II). The homogenous process was optimized by testing different pH values, as well as iron and persulfate loads. At the best conditions (pH 5, 300 mg/L of iron and 600 mg/L of persulfate), it was possible to achieve 39%, 63% and 37% COD, phenolic compounds and TOC removal, respectively. The catalytic potential of a waste (red mud) and a laboratory material (Fe-Ce-O) was tested using heterogenous SRbAOPs. The best performance was achieved by Fe-Ce-O, with an optimal load of 1600 mg/L. At these conditions, 27%, 55% and 5% COD, phenolic compounds and TOC removal were obtained, respectively. Toxicity tests on A. fischeri and L. sativum showed no improvements in toxicity from the treated solutions when compared with the original one. Thus, SRbAOPs use a suitable technology for synthetic OMW.

Optimal conditions for olive mill wastewater treatment using ultrasound and advanced oxidation processes

2020 ◽  
Vol 700 ◽  
pp. 134576 ◽  
Author(s):  
Abeer Al-Bsoul ◽  
Mohammad Al-Shannag ◽  
Muhammad Tawalbeh ◽  
Ahmed A. Al-Taani ◽  
Walid K. Lafi ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Olive Mill Wastewater ◽  
Optimal Conditions ◽  
Oxidation Processes ◽  
Olive Mill

scholarly journals CeO2 for Water Remediation: Comparison of Various Advanced Oxidation Processes

Catalysts ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 446 ◽  
Author(s):  
Roberto Fiorenza ◽  
Stefano Andrea Balsamo ◽  
Luisa D’Urso ◽  
Salvatore Sciré ◽  
Maria Violetta Brundo ◽  
...  
Keyword(s):  
Photoelectron Spectroscopy ◽  
Advanced Oxidation Processes ◽  
Chemical Properties ◽  
Advanced Oxidation ◽  
Chemical Precipitation ◽  
Water Remediation ◽  
Solar Irradiation ◽  
Oxidation Processes ◽  
Physico Chemical ◽  
Exposed Surface Area

Three different Advanced Oxidation Processes (AOPs) have been investigated for the degradation of the imidacloprid pesticide in water: photocatalysis, Fenton and photo-Fenton reactions. For these tests, we have compared the performance of two types of CeO2, employed as a non-conventional photocatalyst/Fenton-like material. The first one has been prepared by chemical precipitation with KOH, while the second one has been obtained by exposing the as-synthetized CeO2 to solar irradiation in H2 stream. This latter treatment led to obtain a more defective CeO2 (coded as “grey CeO2”) with the formation of Ce3+ sites on the surface of CeO2, as determined by Raman and X-ray Photoelectron Spectroscopy (XPS) characterizations. This peculiar feature has been demonstrated as beneficial for the solar photo–Fenton reaction, with the best performance exhibited by the grey CeO2. On the contrary, the bare CeO2 showed a photocatalytic activity higher with respect to the grey CeO2, due to the higher exposed surface area and the lower band-gap. The easy synthetic procedures of CeO2 reported here, allows to tune and modify the physico-chemical properties of CeO2, allowing a choice of different CeO2 samples on the basis of the specific AOPs for water remediation. Furthermore, neither of the samples have shown any critical toxicity.

Coagulation and advanced oxidation processes in the treatment of olive mill wastewater (OMW)

2010 ◽  
Vol 24 (1-3) ◽  
pp. 251-256 ◽  
Author(s):  
Walid K. Lafi ◽  
Mohammad Al-Anber ◽  
Zaid A. Al-Anber ◽  
Mohammad Al-shannag ◽  
Adnan Khalil
Keyword(s):  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Olive Mill Wastewater ◽  
Oxidation Processes ◽  
Olive Mill

Treatment of IGCC power station effluents by physico-chemical and advanced oxidation processes

2009 ◽  
Vol 90 (3) ◽  
pp. 1370-1376 ◽  
Author(s):  
A. Durán ◽  
J.M. Monteagudo ◽  
I. Sanmartín ◽  
F. García-Peña ◽  
P. Coca
Keyword(s):  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Power Station ◽  
Oxidation Processes ◽  
Physico Chemical
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