Conducted by BatStateU
, Started on 2013 -
Completed on 2014
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Oil spill in bodies of water is one of severe environmental problems that is facing all over
the country and in the world. Since oil is an integral part of the economy, increasing trend for its demand
and transport of has led to a great treat in the surface water. One of the promising techniques in the
removal of the oil spills in water bodies is adsorption using activated carbon form waste material such as
corn cobs. The purpose of this study is to determine the adsorption capacity of activated carbon tablets
derived from corncobs in the removal of oil. The properties of activated carbon produced have a pH of
7.0, bulk density of 0.26 g//cm3
, average pore size of 45nm, particle size of 18% at 60 mesh and 39% at
80 mesh, iodine number of 1370 mg/g and surface area of 1205 g/m2. The amount of bentonite clay as
binder (15%,20%,30%), number of ACT (1,2,3) and time of contact(30,60,90 mins) has been varied to
determine the optimum condition where the activated carbon will have the best adsorption capacity in the
removal of oil. Results showed that at 15% binder, 60 mins contact time and 3 tablets of activated carbon
is the optimum condition which give a percentage adsorption of 22.82% of oil. Experimental data also
showed that a Langmuir isotherm was the best fit isotherm for adsorption of ACT.