<p>In order to make the biogas plant at Sobacken located 8 km west of Borås more</p><p>profitable you must become aware of flows at the plant. This not only concerning the</p><p>incoming waste to the plant but also the use of energy. Since the rebuilding in 2005 of</p><p>the plant there has been no follow up concerning the energy use. This thesis is meant</p><p>to clarify the use of electricity and heat at the plant. The work determining the use of</p><p>energy at Sobacken biogas plant has been done by collecting data from documentation</p><p>from the builder Läckeby Water but also by obtaining information from the computer</p><p>systems and frequency converters. The results of the study and its calculations shows</p><p>that the plant uses approximately 3,2 GWh of electricity per year and 3,1 GWh of</p><p>biogas, produced at the plant for heating per year. The production of biogas is</p><p>corresponding to 17,7 Gwh per year of which 14,1 GWh reaches the distribution</p><p>network. The biogas is used by the city buses but could also be used by private car</p><p>owners in Borås refuelling at the newly built tank station at Åhaga. The study does</p><p>not only show that the process consumes 6,3 Gwh per year to produce 14,1 Gwh</p><p>per year, there is also a large amount of energy being released in secondary energy</p><p>flows. These energy flows consists mostly by heat form the cooling system which</p><p>could potentially be recovered by heat exchangers and used to heat the process.</p>
| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:uu-122334 |
| Date | January 2009 |
| Creators | Eriksson, Magnus |
| Publisher | Sveriges lantbruksuniversitet, Institutionen för energi och teknik |
| Source Sets | DiVA Archive at Upsalla University |
| Language | English |
| Detected Language | English |
| Type | Student thesis, text |
| Relation | UPTEC STS, 1650-8319 ; STS 09 041 |
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