The potential of different agro-wastes like green grass (Cynodon dactylon (L.)), bagasse, algae (Enteromorpha spp.), banana stem and water hyacinth (Eichhornia crassipes) in combination with cattle dung for methane production by anaerobic digestion have been evaluated. The results indicate that these wastes can be exploited for methane generation in combination with cattle dung. Best results were obtained with green grass when it was combined with cattle dung in the ratio of 1:4.
Get full access to this article
View all access options for this article.
References
1.
APHA (1976). Standard Methods for the Examination of Water and Waste Water, 14th edn. American Public Health Association, Washington DC.
2.
HillsD.J. and RobertsW.D. (1981). Anaerobic digestion of dairy manure and field crop residues. Agric. Waste., 3, 179-89.
3.
MadamwarD.B. and MithalB.M. (1986). Effect of pectin on anaerobic digestion of cattle dung. Ind. J. Microbiol., 27, 81-4.
4.
ManR.A., WardD.M., BaresiL. and GlassT.L. (1977). Biogenesis of methane. Ann. Rev. Microbiol. 31, 309-41.
5.
ObeidM. (1975). Utilization of water hyacinth - introduction. In: Aquatic Weeds in Sudan, ed. ObeidM.. National Council for Research, Sudan and US National Academy of Science, Washington DC, pp. 101-3.
6.
RehmanM.M., ChowdharyA.A., KhanM.R. and IslamA. (1986). Microbial production of biogas from organic wastes. J. Ferment. Bioeng., 64 (1), 45-9.
7.
RobbinsJ.E., GerhardtS.A. and KappelT.J. (1989). Effect of total ammonia on anaerobic digestion and an example of digester performance from cattle manure - protein mixtures. Biol. Wastes, 27, 1-14.
8.
SaraswatN. and KhannaP. (1986). Methane recovery from water hyacinth through anaerobic activated sludge process. Biotechnol. Bioeng., 28, 240-6.
9.
ShelefG., KimchieS. and GrynbertH. (1980). High rate thermophilic anaerobic digestion of agricultural wastes. Biotechnol. Bioeng. Symp. No. 10, 341-51.
10.
SmithR.J., HeinM.E. and GreinerT.H. (1979). Experimental methane production from animal excreta in pilot scale and farm size units. J. Ani. Sci., 48, 202-16.
11.
VarelV.H., HashimotoA.G. and ChenY.R. (1980). Effect of temperature and retention time on methane production from beef cattle wastes. Appl. Environ. Microbiol., 40, 217-22.
12.
WolvertonB.C. and McDonald, R.C. (1976). Don't waste water weeds. New Scientist (USA), 71,(1913), 1318-29.
