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Published on: December 12, 2013
Characterization and lime treatment of olive mill wastewater
1Department of Analytical Chemistry. Faculty of Pharmacy, Istanbul University, Beyazit-Istanbul, Turkey.
Water Research
|May 19, 2001
Summary
Olive mill wastewater (OMW) treatment using lime effectively reduced solids, oil-grease, and phenolic compounds. This study details OMW characterization and lime treatment efficacy for environmental remediation.
Area of Science:
- Environmental Chemistry
- Water Treatment Technologies
- Waste Management
Background:
- Olive mill wastewater (OMW) is a significant industrial pollutant, posing environmental challenges due to its high organic load and phenolic content.
- Effective treatment strategies are crucial for mitigating the ecological impact of OMW.
- Characterization of OMW is essential for designing appropriate treatment processes.
Purpose of the Study:
- To characterize seventeen samples of olive mill wastewater (OMW).
- To investigate the effects of lime treatment on OMW.
- To evaluate the reduction of key pollutants in OMW after lime treatment.
Main Methods:
- Characterization of OMW for total solids, fixed solids, volatile solids, suspended solids, volatile-suspended solids, chemical oxygen demand (COD), oil and grease, polyphenol, volatile phenol, nitrogen, and reducing sugar.
- Application of lime treatment to OMW samples.
- Analysis of OMW before and after lime treatment to determine pollutant reduction.
- Examination of lime's effect on an artificial phenolic mixture.
Main Results:
- Detailed characterization of seventeen OMW samples revealed significant levels of solids, organic matter, and phenolic compounds.
- Lime treatment demonstrated a notable reduction in the content of solids, oil-grease, and phenolic compounds in OMW.
- The study quantified the effectiveness of lime in decreasing specific pollutants within the treated wastewater.
- Lime addition showed efficacy in treating a synthetic phenolic mixture, indicating its potential for phenolic compound removal.
Conclusions:
- Lime treatment is a viable method for reducing key pollutants in olive mill wastewater.
- The characterization data provides a baseline for understanding OMW composition and treatment needs.
- Further research into optimizing lime dosage and conditions can enhance OMW treatment efficiency.
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