Vinsamlegast notið þetta auðkenni þegar þið vitnið til verksins eða tengið í það: http://hdl.handle.net/1946/26711
Methods for upgrading biogas to vehicular standards, to reduce the need for petrol and diesel, are examined if feasible for small-scale
upgrading. Water Scrubber adsorption and Membrane biogas separation where found feasible.
The water scrubber system was found the only available option for upgrading gas from the WWTP anaerobic digester in Vífilfell, being the
only one commercially available to upgrade gas for the flow rate
in Vífilfell, results show that it is a realistic option for the company if they use the gas for the company vehicles.
Dairy-Farm-scale upgrading was found only financially possible for larger farms, with at least 130-140 dairy cows producing more than
20Nm3/hr of raw gas. Without any financial support the initial cost becomes too high for farms with fewer dairy cows.
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