Presentation on theme: "Design of a sustainable sanitary landfill with an integrated energy generation system Presenter: Otieno Benard Okoth F21/2494/2009 Supervisor: Dr. Waweru."— Presentation transcript:
Design of a sustainable sanitary landfill with an integrated energy generation system Presenter: Otieno Benard Okoth F21/2494/2009 Supervisor: Dr. Waweru Muthumbi
I ntroduction Wastes are the by-products of what human beings have used and that requires disposal and its management has been of great menace to many municipalities. S tatement of problem and problem analysis Fig Standard newspaper (open dumpsite) (Thursday, May 5th 2011)
Overall objective T o design a sustainable sanitary landfill with an integrated energy generation system. Specific objectives To design a sanitary landfill. To determine the amount of power in MW that can be generated from the landfill. To determine the number of households that the generated power can serve.
STATEMENT OF SCOPE To design a sustainable sanitary landfill with an integrated energy generation system.
Site analysis and inventory Site selection criteria Map: jica report (2010) showing possible landfill sites within Nairobi Metropolitan Area
Google earth map showing the area with the surrounding area
Evaluation and documentation Landfill design Approximate Plan Dimensions = 2616.2 m x 1308.10 m An additional 100 m should be left all round the landfill for the infrastructural facilities, thus the total maximum area: = 2816.2 m ×1508.1 m
Power generation By using an efficiency of 30% for the conversion of the LFG when using the internal combustion engine to power; = 6.005 MW Puente Hills-50 MW (10,000 T) Durban- 7.5 MW (3000 T) Uruguay-1MW (145 T) Nairobi-6.005 MW (2000 T)
CONCLUSION Successful design Nairobi County Government encouraged
Recommendations Pre-treatment of waste Leachate collection and treatment system remediation methods for the landfill closure of the existing Dandora dumpsite Encouraging the use of 3R Geotechnical survey study
References C.Visvanathan, Mechanical Biological Pre-treatment for Sustainable Landfill, Environmental Engineering and Management Program School of Environment, Resources and Development Asian Institute of Technology Thailand. C. Visvanathan, J. Tränkler, B.F.A. Basnayake, C. Chiemchaisri, K. Joseph and Z. Gonming, Landfill management in Asia -notions about future approaches to appropriate and sustainable solutions. Aggrey Mwesigye, Samuel B.Kucel and Adam Sebbit, opportunities for generating electricity from municipal solid waste: case of Kampala city council landfill.
Naveen K.Vsudevan, S.Vedachalam and Dheepak Sridhar, study on various methods of landfill remediation. Amalendu, BaGCHI, design of landfill and Integrated Solid Waste Management; Amalendu, BaGCHI. Jy H Lehr and Jack Keeley, domestic, municipal and Industrial water supply and waste disposal. Council directive 1999/31/EC on the landfill waste, 1999 Department of the Environment (1995) Landfill design, construction and operational practice; waste management paper 26 B.HMSO, London
Coelho, Suani Teixeira; E-mail: email@example.com Velázquez, Silvia Maria Stortini González; E-mail: firstname.lastname@example.org Pecora, Vanessa; E-mail: email@example.com Abreu, Fernando Castro. E-mail: firstname.lastname@example.org Landfill Biogas and its Use for Energy Generation.email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org Japan International Cooperation Agency, CTI Engineering International CO., LTD and NJS consultants CO., LDT. (October 2010),Preparatory survey for integrated solid waste management in Nairobi City in the Republic of Kenya, Final report volume 2 main report.
Ramsey/Washington Counties Resource Recovery Project (November 2001), Comparison of Potential Electricity Production from RDF and LFG. Marie Ryan, Environmental Scientist (May 2010), Environmental Standards for Municipal Solid Waste Landfill Sites.
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