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Contact Angle Measurement for Agricultural Materials

Mokhtar, Rufaidah (2012) Contact Angle Measurement for Agricultural Materials. Universiti Teknologi Petronas. (Unpublished)

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Abstract

The study is focused on identifying the best possible contact angle measurement method in order to determine contact angle for agricultural materials. Sugarcane (Saccarhum Officinarum) bagasse, kapok (Ceiba Pentandra) and rice husk (Oryzae Sativa) are selected to be tested for their contact angle and then compared against the established synthetic oil sorbent, polypropylene. The objectives of this study are to measure the contact angles for agricultural materials with different types of oil (crude oil, engine oil, used engine oil) using the best identified method. The results are then compared against known value of contact angle for polypropylene. The best material for oil sorbents can be identified by measuring contact angle; the lower the contact angle of with liquid, the better the material is at absorption. This will be an indicator of the absorption ability of these agricultural materials. Experimental works are conducted in order to achieve the set objectives. The materials are prepared accordingly before experiments are conducted to measure their contact angles. The equipment used is interfacial tensiometer which measures the contact angle based on a picture taken of the liquid drop on a solid surface. The results show that kapok has the lowest contact angles for all types of oil and it is even better than polypropylene at absorption. The results for sugarcane bagasse and rice husks vary in term of which is better at absorption. However, generally the contact angle values for agricultural materials are lower than that of polypropylene. This means that the agricultural materials are better at absorption than synthetic materials. Thus, agricultural materials are proven to be a promising alternative for the synthetic sorbent materials currently being use to absorb oil during oil spill contamination in the sea.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Material Development
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 09:07
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/8922

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