geological sequestration of carbon dioxide. what is sequestration? the removal of co 2 from the...
TRANSCRIPT
What is Sequestration? What is Sequestration? The removal of COThe removal of CO22 from the atmosphere from the atmosphere
NaturalNatural– ForestsForests– OceansOceans– SoilsSoils
ArtificialArtificial– Carbon captureCarbon capture– OceanOcean– GeologicalGeological– MineralMineral
Geological SequestrationGeological Sequestration
Injection of captured COInjection of captured CO22 deep into the deep into the ground.ground.– 800 meters800 meters– Supercritical fluidSupercritical fluid– Denser than gasDenser than gas– Allows for more storageAllows for more storage– Potential to remain there Potential to remain there
HistoryHistory
Since 1970: Since 1970: petroleum petroleum companies use it to companies use it to retrieve more oil.retrieve more oil.
Since 1930: Since 1930: manufacturers, use manufacturers, use it to make products it to make products like dry ice.like dry ice.
ProsPros– Reduces COReduces CO22
Largest contributor Largest contributor to global climate to global climate changechange
ConsCons– Could reactivate Could reactivate
faultsfaults Environmental Environmental
effectseffects Be harmful to Be harmful to
humanshumans
– Research still in Research still in progressprogress
Case StudyCase Study
Norway Norway implemented a implemented a $55/ton tax on CO$55/ton tax on CO22
– Norway’s state oil Norway’s state oil companycompany
Sleipner facilitySleipner facility First and onlyFirst and only Cost to construct: $80 Cost to construct: $80
millionmillion Annual cost 1% Annual cost 1% Saves $55 million/year Saves $55 million/year
ConclusionConclusion
Still need more observations and Still need more observations and researchresearch
Reduces COReduces CO22, reducing global climate , reducing global climate changechange
Financially stable business techniqueFinancially stable business technique Not the only solution to global Not the only solution to global
warming but it appears to be a good warming but it appears to be a good startstart