Studies on Biogas and Bioliquid Production by Fungal Degradation of Banana (Musa Sapientum) Leaves

– Studies on Biogas and Bioliquid Production by Fungal Degradation of Banana (Musa Sapientum) Leaves – 

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ABSTRACT

Anaerobic biodegradation of banana leaves by cellulolytic fungus (yeast) was conducted at optimum operational conditions of concentration, temperature and pH for biogas and bioliquid production. Proximate analysis of both the fermented and unfermented substrates was carried out.

Effects of nutritive additives on biogas and bioliquid production were investigated. The bioliquid generated was extracted by soxhlet extraction and, its components were separated into maltenes (soluble component) and asphaltenes (insoluble component) by precipitation.

The maltenes contents of both the fermented and unfermented substrates were separated into fractions by column chromatography.

Gas-chromatographic identification of organic component of the biogas generated was carried out using flame ionization detector (FID) while the heavier hydrocarbons in the bioliquid were analysed using gc-mass spectrometer.

The analyses carried out revealed that, all the physio-chemical prametres employed, enhanced the production of biogas and bioliquid; the quantity of bioliquid generated from the fermented substrate was smaller than the quantity of the bioliquid generated from the  unfermented substrate

While the maltenes contents of the fermented substrate were higher than those in the unfermented substrate; the fractions of maltenes of the fermented substrate were in the order.

INTRODUCTION

 1.1 Background of the Study

The cost and used for agricultural, industrial and domestic fuels are drastically increasing.

This makes it very difficult for most people to rise beyond subsistence level especially in developing countries like Nigeria.

There is the due to the release of by-products such as SO₂, PbO, CO₂, etc. when petroleum products are used in internal combustion engines.

The use of for also causes environmental pollution as well as desertification, erosion and reduced biodiversity due to the frequent indiscriminate felling of trees.

There is also the problem of tremendous amount of biodegradable wastes produced everyday due to increase in population, which of course constitutes nuisance to the environment and reduces the aesthetic (beautiful) value of the environment.

If the subsistence and the developmental needs of such developing countries are to be met as well as reduce , there is therefore the need to think about , which are cheap, abundant and environmentally friendly.

REFERENCES

Ahmad, U. (2000). Nutrients determination of biogas produced from three different aquatic weeds. unpublished M.Sc. thesis, submitted to the Department of Pure and Applied Chemistry, Usmanu Danfodiyo University, Sokoto – Nigeria, Pp 1 – 52

Airehrour, T.A. (1994). Anaerobic biodegradation of lignocellulose from water hyacinth (Curvularia Spp.) unpublished M.Sc. thesis, Submitted to the Dept. of Chemistry, University of Jos. Pp 21 – 99.

Akor, A.S. (1999). Effect of urea on fungal degradation of lignocollulose from Elephant-grass. unpublished B.Sc. Project, submitted to the Department of Chemistry, University of Jos.

Aliyu, M., Dangoggo S.M. and Atiku A.T. (1996). Effect of seeding on biogas production using pigeon droppings, Nigerian Journal of Renewable Energy. 4. (1) Pp 19 – 23.

Amamatu, D.T. (1995). Physio-Chemical Studies of Biogas Production, unpublished M.Sc. thesis, submitted to the Department of Pure and Applied Chemistry, Usmanu Danfodiyo University, Sokoto – Nigeria Pp 4 – 15.

Ariane, V.B. (1985). A chinese biogas manual: popularizing technology in the Countryside, Intermediate Technology Publication London. Pp 16 – 115.