American Journal of Innovative Research & Applied Sciences
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Affiliation. 1. Federal University of Technology | Department of Chemistry | Akure, Ondo State | Nigeria |
This article is made freely available as part of this journal's Open Access: ID| Rfifi-ManuscriptRef.2-ajira010218 |
ABSTRACT
Background: Majority of lignocelulosic biomass considered as waste materials create environment nuisance, because they were either allowed to decay or burnt-off, contributing to global warming. Objective: This work aims to evaluate the structural and compositional features of Gliricidia sepium stalkand Cola gigantea wood saw-dust for the purpose of industrial untilisation. Methods: The proximate and physicochemical constituents of Gliricidia sepium stalkand Cola gigantea wood saw-dust were investigated using standard method. The main functional group present in the biomass was study with the aid of Fourier transform infrared spectroscopy. Results: Results obtained indicated that the biomass contained varying cellulose, lignin and holocellulose contents. Proximate analysis showed that Gliricidia sepium stalk recorded higher value in all parameter examined except NaOH extractive, ash and silica content. It was equally higher in moisture content, true density and powder porosity while Cola gigantea had higher swelling capacity, compressibility power and Hausner index. The biomass examined had poor flowability and near true denstiy value. Conclusion: The high cellulose content (43.79 % 41.44%), lignin content (30.75 % and 27.23 % ) and holocellulose content (79.87% and 76.75 % ) of Gliricidia sepium stalk and Cola gigantea respectively present the biomases as good raw materials for biorefinery.
