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Indhold<br />
1 INDLEDNING .................................................................................................................3<br />
1.1 Introduktion ................................................................................................................................. 3<br />
1.2 Samfundsrelevans <strong>og</strong> drivere ........................................................................................................ 4<br />
2 TEKNOLOGISKE MULIGHEDER FOR AT REDUCERE EMISSIONEN AF DRIVHUSGASSER I<br />
LANDBRUGET ...............................................................................................................5<br />
2.1 Fast kontra flydende husdyrgødning ............................................................................................. 5<br />
2.2 Hyppig udslusning af husdyrgødning ............................................................................................ 5<br />
2.2.1 Mekaniske skrabesystemer i kvægstalde ............................................................................................ 6<br />
2.2.2 Mekaniske skrabesystemer i svinestalde ............................................................................................. 7<br />
2.2.3. Flushing af gyllekanaler ........................................................................................................................... 8<br />
2.3 Gyllekøling .................................................................................................................................... 8<br />
2.4 Gylleforsuring ............................................................................................................................... 9<br />
2.5 Naturligt flydelag på beholdere med flydende husdyrgødning ................................................... 10<br />
2.6 Fast overdækning på beholdere med flydende husdyrgødning ................................................... 10<br />
2.7 Overdækning af tørstofrig gødning under lagring ....................................................................... 10<br />
2.8 Gylleseparation........................................................................................................................... 10<br />
2.9 Bi<strong>og</strong>asproduktion ....................................................................................................................... 11<br />
2.10 Afbrænding af gyllefiber ............................................................................................................. 12<br />
2.11 Termisk forgasning af gyllefiber .................................................................................................. 12<br />
2.12 Nedfældning af husdyrgødning ................................................................................................... 12<br />
3 ASSESSMENT AF UDVALGTE TEKNOLOGIOMRÅDER .................................................... 13<br />
3.1 Bi<strong>og</strong>as, gyllelager <strong>og</strong> gylleudbringning ........................................................................................ 13<br />
3.2 Gyllekøling, hyppig gylleudslusning, bi<strong>og</strong>as <strong>og</strong> gyllelagring ......................................................... 14<br />
3.3 Forsuring ..................................................................................................................................... 15<br />
4 KONKLUSION OG ANBEFALINGER ............................................................................... 16<br />
4.1 Samfundsrelevans <strong>og</strong> drivere ...................................................................................................... 16<br />
4.2 Implementering .......................................................................................................................... 16<br />
4.3 Anbefalinger ............................................................................................................................... 16<br />
5 REFERENCER ............................................................................................................... 18<br />
KLIMA- OG MILJØTEKNOLOGIER · 10.12.2012 · @ INNOVATIONSNETVÆRK FOR MILJØTEKNOLOGI 2/19