Biomass and biogas-I – Dr Sampson Mamphweli – Fort Hare Institute of Technology
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Presentation by Dr Sampson Mamphweli of Fort Hare Institute of Technology at the CHOICES project community energy workshops in Somerset East, Pearston and Cookhouse communities, Blue Crane Route Municipality in South Africa’s Eastern Cape, held in February and March 2013. The presentation covers biomass gasification and biogas technologies. More information about Fort Hare Institute of Technology: http://www.ufh.ac.za/centres/fosst/ Further details of the CHOICES project: http://www.iied.org/choices-community-energy-project-south-africa
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Biomass and biogas-I – Dr Sampson Mamphweli – Fort Hare Institute of Technology
- 1. Biomass gasification and biogas digestion N.S. Mamphweli, E.L. Meyer Fort Hare Institute of Technology, University of Fort Hare, South Africa FHIT Renewable energy research
- 2. 2 BIOMASS GASIFICATION • Biomass gasifier converts wood and wood waste into charcoal giving gas as a by-product. • The gas is a mixture of CO2, CH4, H2, CO, H2O and N2. • It has a heating value of 3-6MJ/kg and is used for heating and electricity generation. • An example of this is the 150kVA System Johanson Biomass Gasifier installed at Melani village.
- 3. 3 BIOMASS GASIFICATION Gasifier Gas scrubber Sawdust filter Gas engine Sawdust filter Safety filter Generator Cooling pond Cyclone Raw gas flare Clean gas flare Condensate tank
- 4. 4 BIOMASS GASIFICATION • Gasifier system manufactured and installed at Melani village.
- 7. 7 BIOGAS DIGESTERS • Biogas digesters convert organic waste into biogas. • The process is driven by bacterial activity within a specific temperature range. • The process takes place in a chamber called a digester. • Biogas is a mixture of about 60% CH4, CO2, and some hydrocarbons and is used for heating, cooking, lighting and electricity generation. • Examples of these include one digester at Melani village, two at Fort Cox College and two at the University of Fort Hare.
- 8. 8 BIOGAS DIGESTERS Digester Energy converter Effluent containment Feed Gas Effluent Pre-mixer
- 10. October 2012 10 Contact us at smamphweli@ufh.ac.za/emeyer@ufh.ac.za Tel: 0406022311 THANK YOU