Reusing wastes from olive pomace in oil production chain: How membrane technology can rescue nutrients from wastewaters
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View abstract on PubMed
Summary
This summary is machine-generated.Nanofiltration (NF) and reverse osmosis (RO) effectively treat pomace oil factory wastewater. RO membranes showed superior performance, yielding reusable fresh water and a nutrient-rich stream for organic fertilizer.
Area Of Science
- Environmental Engineering
- Chemical Engineering
- Food Science
Background
- Olive oil production generates low-grade pomace oil, posing environmental challenges.
- Pomace oil recovery via solvent techniques creates atmospheric emissions and waste management issues.
- Wastewater from steam emissions in pomace oil factories requires effective treatment.
Purpose Of The Study
- To evaluate nanofiltration (NF) and reverse osmosis (RO) for treating pomace oil factory wastewater.
- To assess the potential for recovering valuable resources from the wastewater.
- To reduce the environmental impact of pomace oil production.
Main Methods
- Utilized nanofiltration (NF) and reverse osmosis (RO) membrane processes.
- Treated condensed steam emissions from a pomace oil factory.
- Analyzed permeate and retentate streams for water quality and nutrient content.
Main Results
- Both NF and RO processes reduced wastewater volume, producing separate water and concentrate streams.
- Reverse osmosis (RO) membranes demonstrated superior performance.
- RO retentate showed increased total organic carbon (TOC), conductivity, and total polyphenols.
Conclusions
- RO and NF are viable technologies for treating pomace oil wastewater.
- Permeate water can be reused in industrial processes or for irrigation.
- Retentate streams are rich in nutrients and can be processed into organic fertilizer.
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