Enrichment of Citrus reticulata Blanco essential oil from oily wastewater by ultrafiltration membranes

In this research, the method of enriching essential oil from industrial wastewater by ultrafiltration (UF) was investigated, and the factors affecting the membrane process were studied. The results show that the type of membrane, pore size of membrane, pressure, and temperature are important factors...

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Bibliographic Details
Published in:Desalination and water treatment 2013-05, Vol.51 (19-21), p.3768-3775
Main Authors: Li, B., Han, Z.F., Cao, G.P., Shen, J., Guo, L.W.
Format: Article
Language:English
Subjects:
Applied sciences
Biological and medical sciences
Chemical industry and chemicals
Citrus reticulata
Density
Enrichment
Essential oil enriching
Essential oil-in-water emulsion
Essential oils, perfumes
Exact sciences and technology
Flame ionization detectors
General pharmacology
Medical sciences
Membranes
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Pollution
Polyvinylidene difluoride
Turbidity
Ultrafiltration
Ultrafiltration (UF) membranes
Washing products. Cosmetics and toiletries. Perfumes
Waste water
Wastewaters reuse. Miscellaneous
Water treatment and pollution
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Summary:In this research, the method of enriching essential oil from industrial wastewater by ultrafiltration (UF) was investigated, and the factors affecting the membrane process were studied. The results show that the type of membrane, pore size of membrane, pressure, and temperature are important factors affecting the membrane performance. A flat-sheet hydrophobic polyvinylidene difluoride UF membrane was applied for separating essential oil emulsion of Citrus reticulata Blanco. The retained rate of essential oil can achieved 67.5%, its physical nature, such as the relative density, turbidity, viscosity, conductivity, PH and refractive index, and chemistry composition by Gas Chromatograph(y) Flame Ionization Detector were also studied. The results reveal that the retained oil gathered by UF is almost the same with the crude essential oil. UF method is a new way to enrich essential oil.
ISSN:1944-3986
1944-3994
1944-3986
DOI:10.1080/19443994.2013.782085