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FRACKING;Zer da?
Ez ohiko gasa ustiatzeko apurketa hidraulikoaren teknika da. Ama-haitzea (arbela eta
eskistoak) apurtuz bertan dagoen gas naturala ateratzean datza. Haitzean dagoen gasa
ateratzeko apurketa mistoa darabilen teknika bat erabiltzen da: lehenik eta behin 5000
metrora arte bertikalki zulatzen da eta ostean hainbat kilometro (2tik 5 arte) horizontalki
zulatzen dira. Momentu horretan ura sartzen da presio handiz, harearekin nahastuta (98%)
eta hainbat gehigarri kimiko (%2). Modu honetan haitza apurtzen da, gasa aske geratuz eta
lurzorura igotzen da putzuaren bidez. Prozesu hau gasa duen haitz zainean zehar
errepikatzen da. Sartzen den nahasketa horren zati bat azalera itzultzen da
FRACKING;Abantailak
-Orain arte eskuraezinak ziren baliabideen ustiapena ahalbidetzen du.
-Azken urteetan handitu diren gas erreserbak eskuratzen ditu.
-Herrialdeen independentzia energetikoa lor dezake.
-Gas erreserben aurkipena eta ustiapena herrialdearen barruko inbertsioa dakar.
-Bertako herrialdeetan lanpostu ugari sortzen ditu.
-Herritarrek erabiltzen duten gas naturalaren prezioa asko murrizten du.
-Zentral termikoen itxiera sorrarazten du.
-CO2-ren kutsapena txikiagotzen du.
-Berotegi efektua galarazten du, aldaketa klimatikoak murriztuz
FRACKING;Desabantailak
Lur azpiko eta azaleko uren kutsadura.
Airearen kutsadura.
Gizakien osasunean eraginak.
Paisaiaren eta lurzoruaren aldaketak.
Putzuak ixtean lurzoruaren kutsadura.
Arrisku sismikoak.
Ura eta energia kontsumo handia
EUSKADI fracking
Euskadin fracking egiteko auke5ra dago, batez ere araban.
Irudiak
Ondorioak
Ane Carrera, Julen Garcia eta Eneko Iridoy

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Fracking

  • 1.
  • 2. FRACKING;Zer da? Ez ohiko gasa ustiatzeko apurketa hidraulikoaren teknika da. Ama-haitzea (arbela eta eskistoak) apurtuz bertan dagoen gas naturala ateratzean datza. Haitzean dagoen gasa ateratzeko apurketa mistoa darabilen teknika bat erabiltzen da: lehenik eta behin 5000 metrora arte bertikalki zulatzen da eta ostean hainbat kilometro (2tik 5 arte) horizontalki zulatzen dira. Momentu horretan ura sartzen da presio handiz, harearekin nahastuta (98%) eta hainbat gehigarri kimiko (%2). Modu honetan haitza apurtzen da, gasa aske geratuz eta lurzorura igotzen da putzuaren bidez. Prozesu hau gasa duen haitz zainean zehar errepikatzen da. Sartzen den nahasketa horren zati bat azalera itzultzen da
  • 3. FRACKING;Abantailak -Orain arte eskuraezinak ziren baliabideen ustiapena ahalbidetzen du. -Azken urteetan handitu diren gas erreserbak eskuratzen ditu. -Herrialdeen independentzia energetikoa lor dezake. -Gas erreserben aurkipena eta ustiapena herrialdearen barruko inbertsioa dakar. -Bertako herrialdeetan lanpostu ugari sortzen ditu. -Herritarrek erabiltzen duten gas naturalaren prezioa asko murrizten du. -Zentral termikoen itxiera sorrarazten du. -CO2-ren kutsapena txikiagotzen du. -Berotegi efektua galarazten du, aldaketa klimatikoak murriztuz
  • 4. FRACKING;Desabantailak Lur azpiko eta azaleko uren kutsadura. Airearen kutsadura. Gizakien osasunean eraginak. Paisaiaren eta lurzoruaren aldaketak. Putzuak ixtean lurzoruaren kutsadura. Arrisku sismikoak. Ura eta energia kontsumo handia
  • 5. EUSKADI fracking Euskadin fracking egiteko auke5ra dago, batez ere araban.
  • 7.
  • 8.
  • 10. Ane Carrera, Julen Garcia eta Eneko Iridoy