The utilization of lignocellulosic mostly residue of agriculture and agro-industries, allows a valorization of these wastes and a limitation of enviromental damages. Banana is one agriculture product in Malaysia. The agricultural activity generates a large amount of residue, because each plant produce only one bunch of bananas, after it's harvesting the bare pseudo-stem are cut and usually left in the soil plantation to be organic material. Bio-banana trunk is absorbent that can absorb oil. Bio-banana trunk is used to clean oil or oil spill on water and leave for a few minutes to allow time for it to absorb the oil.