The use of hydroxyl-radical-generating systems for the treatment of olive mill wastewaters
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
17007439
DOI
10.1007/bf02931827
Knihovny.cz E-resources
- MeSH
- Bacteria metabolism MeSH
- Biodegradation, Environmental MeSH
- Pigments, Biological chemistry MeSH
- Biomimetics methods MeSH
- Phenols chemistry MeSH
- Hydroxyl Radical chemistry MeSH
- Copper MeSH
- Waste Disposal, Fluid methods MeSH
- Plant Oils * MeSH
- Olive Oil MeSH
- Oxidation-Reduction MeSH
- Hydrogen Peroxide chemistry MeSH
- Industrial Waste MeSH
- Free Radicals pharmacology MeSH
- Iron chemistry MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Pigments, Biological MeSH
- Phenols MeSH
- Fenton's reagent MeSH Browser
- Hydroxyl Radical MeSH
- Copper MeSH
- Plant Oils * MeSH
- Olive Oil MeSH
- Hydrogen Peroxide MeSH
- Industrial Waste MeSH
- Free Radicals MeSH
- Iron MeSH
Three hydroxyl-radical producing biomimetic systems, composed of CuII, hydrogen peroxide and pyridine, glucaric or succinic acid, were able to perform decolorization of olive mill wastewaters (OMW) >85 % within 3 d combined with a significant removal of total phenols (>75 %). The systems consisting of 50 mmol/L succinic acid, 5-10 mmol/L CuSO4 and 100 mmol/L H2O2 were the most effective at OMW treatment, and led to the reduction of phenol contents to <1 % along with high decolorization (>88 %) and acceptable values of chemical oxygen demand.
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