Koldpresning
Koldpresning betegner en speciel presningsmetode, hvor et plastmateriale indesluttet i et hulrum bliver formet under tryk ved stuetemperatur og senere varmebehandlet.[1]
Koldpresning af rapsfrø kræver ikke særlig megen energi, og fremstillingen kan ske på et enkelt og billigt anlæg. Den koldpressede rapsolie er spiselig og kan anvendes i en moderne dieselmotor. Desuden kan rapsolien anvendes til CO2-neutral opvarmning af boliger, og rapskagen kan anvendes til foder, såvel som til afbrænding i stokerfyr.
Referencer
- ^ "koldpresning". Den Store Danske. Hentet 18. december 2009.
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