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Design and Construction of a Biogas Plant

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Design and Construction of a Biogas Plant
DESIGN AND CONSTRUCTION OF A BIOGAS PLANT

BY

SADIQ SANUSI UMAR
SCI/05/PHY/04045

A final year Project submitted to
The Department of Physics, Faculty of Science, Bayero University Kano.

NOVEMBER 2009.
ACKNOWLEDGEMENT
Verily, all praise is due to Allah, the eternally besought of all, the most conclusive of all judges. Glory is unto Him whose aid and forgiveness we seek. May Allah extol and send blessings of peace upon His Slave and Messenger, the best of His creation, and the faithful to His revelation, Muhammad (S.A.W) the son of Abdullah; upon his family, his companions and those who have clutched to his Sunnah with their morals until the Day of Reckoning.
The number of words, sentences and paragraphs meant to seal and certify the approval of this project will be shortened without the recognition of the enormous task shouldered by my beloved parents, who were firmly behind me up to the fruition of this endeavor. Indeed, their much deserved reward is with Him in whose hands reside our lives.
I wish to register my weighty gratitude to my supervisor, Dr. A.O Musa, for his maximum effort in going through the scripts and making indispensable corrections. May the Almighty reward him.
As a final point, I will not fail to acknowledge the encouragement, counsel and support I received from my good friends and well wishers.
May Allah, Who is free from all error and absentmindedness, bless all of us, and may He cause the efforts of all drawn in to be purely for Him, and may He store its reward for us with Himself. Ameen.

ABSTRACT
Anaerobic digestion is a process that occurs in nature and produces biogas as a by-product. Biogas typically contains between 60 and 70 percent methane. This methane content makes biogas an excellent source of renewable energy to replace natural gas and other fossil fuels. Anaerobic treatment has been historically used to biologically stabilize high-strength wastes at a low cost. In many cases, the biogas has not been used as



References: 1. www.bookrags.com/biogas, retrieved on 13th July, 2007. 2. Coe, W.B and Davenport, A. (1981): “Energy from Biomass”, vol. 1 CRC Press, Florida, pp 173-175. 3. Gopalakrishnan, C.A and Lal, G.M.M (1984): “Livestock and Poultry Enterprise for Rural Development”, Bombay Press, pp 433-435. 4. www.downtoearth.org.in/full6.asp, retrieved on 13th July, 2007. 5. Garba, B., Sambo, A.S and Abdurrahman, F.W (1994): “Studies on Biogas production from fresh cowdung and effect of some parameters on its generation” paper presented at the 18th annual Conference of Chemical Society of Nigeria, Kano (May/June). 7. http://practicalaction.org/practicalanswers/product_info.php, retrieved on 17th July, 2007. 8. www.eco-tec.com/products/biogas/scrubbing.org, retrieved on 15th November, 2007. 9. www.westernuniteddairymen.com/biogas%20fuel/chapter202.pdf, retrieved on 15th November, 2007. 10. Barker, H.A (1956): “Bacterial Fermentations”, John Wiley & Sons, Inc., New York, pp27-39. 11. www.shvoong.com/biomassenergy_and_environment.html, retrieved on15th November, 20007. 12. www.arizonaenergy.org/analysis/fossilfuels/biogas.html, retrieved on 15th November, 2007. 13. www.habmigern2003.info/biogas/biogas.html, retrieved on 14th December, 2007. 14. www.greenpowerindia.org/biogas_benefits.htm, retrieved on 6th March, 2008. 15. www.crat.africa-web.org/biogas/biogas%20chemistry.htm,retrieved on 9th March, 2008. 16. www.green-trust.org/2000/biofuels/methane.htm, retrieved on 23rd April, 2008. 17. Prior, R.L and Hashimoto, A.G (1981): “Fuel gas production from Biomass”, Turret-Wheatland, ltd. Rickmansworth, UK, pp215-228. 18. www.biogas.psu.edu/basics.html, retrieved on 23rd April, 2008. 19. www.sustainableharvest.org/downloads/biodigestermanual.pdf, retrieved on 23rd April, 2008. 20. www.eco-tec.org/mambo/docman/biogas%20horizontal.pdf, retrieved on 30th April, 2008. 21. www.utafoundation.org/tap/tap61/61_11.pdf, retrieved on 30th April, 2008. 22. www.biogas-digester.com, Retrieved on 10th June, 2008. 23. www.mail.uadec.mx/bnagamai/naga-current%20science.pdf, retrieved on 10th June, 2008. 24. Dioha, I.J, Umar, M.K, Eboatu, A.N.C and Okoye, P.A (2005): “Comparative studies of the yield of biogas from cowdung and poultry droppings” Nig. J. Solar Energy 15: 60-66. 25. FAO (1978): “Renewable biological systems for alternative sustainable energy production” FAO Agricultural Services Bulletin-128.

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