Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Abstract
Journal of Applied and Natural Science 6 (1): 134-138 (2014)
A study on water hyacinth Eichhornia crassipes as oil sorbent
1M. Jansi Rani, 2*M. Murugan,3P. Subramaniam and 4E. Subramanian
1Department of Chemistry, Govindammal Aditanar College for Women, Tiruchendur-628215, Tuticorin (Tamil Nadu), INDIA
2Department of Chemistry, Sri K.G.S. Arts College, Srivaikuntam-628619, Tuticorin (Tamil Nadu), INDIA
3Research Department of Chemistry, Aditanar College of Arts and Science, Tiruchendur-628216, Tuticorin (Tamil Nadu), INDIA
4Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli-627012 (Tamil Nadu), INDIA
*Corresponding author. E-mail: mahalingam_murugan2004@yahoo.com
Abstract : The sorption of diesel, lubricant and castor oils onto different parts (root, stem and leaf) of the dry biomass water hyacinth was studied at the laboratory scale. The parts of the aquapyte water hyacinth (Eichhornia Crassipes) were characterized by physico-chemical methods and the characteristics were used to elucidate the oil sorption process. Hydrophobicity, wettability (capillarity), buoyancy and sorption capacity of oils in the presence/ absence of water were studied to evaluate the suitability of the sorbent for application. In all the three sorbents, the oil sorption capacity increases with the increase of oil film thickness. However of the three parts, the stem has a greater sorption capacity of 9.3, 7.8 and 11.08 g/g for the three oils such as diesel, lubricant and castor oils respectively, even though the root of water hyacinth showed a higher hydrophobicity and surface area. These sorption capacities are comparable with widely used commercial oil sorbent such as nonwoven polypropylene which has a sorption capacity in the range of 10-16 g/g.

Keywords : Buoyancy, Eichhornia crassipes, Hydrophobicity, Oil spillage, Sorption, Wettability
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