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CARBONCAPTUREANDSEQUESTRATION:R&DApproaches

Dr.SusheelaNegiScientist-C,DSTsusheela.nnic.inCARBONCAPTUREANDSEQUESTRATI1

Climate:sumoftheaverageweatherconditionoverpast30years

CO2conc.inatm:280ppminpre-industrialtimetoalmost390ppmatpresentdaywhichleadstoriseinearthaveragetemperatureby0.74°C

Climate:sumoftheavera2

Regionalscaledeforestationindustrialdevelopment

3

Dr.SusheelaNegiScientist-C,DSTsusheela.nnic.inDr.4

CarbonCapture&Sequestration ThecurrentCO2emissions~28Gt Projectionby2050 62Gt Ofthisabout20%reductiontobeachievedbyCCS.

CarbonCapture&Sequestratio5CarbonCaptureandSequestrationCapturingCO2atlargeandstationarypointsourcesii.TransportingtheCO2fromsourcetosink,iii.InjectingtheCO2insuitedgeologicalreservoirorsinksCARBONCAPTUREANDSEQUESTRATIONRampDApproaches碳捕獲與封存RampD的方法課件6CARBONCAPTUREANDSEQUESTRATIONRampDApproaches碳捕獲與封存RampD的方法課件7MajorDisadvantages:

*Risksofleakagesandcollateraldamageto

storagemedia(geologicalformations,oceans,

landfillsetc)

*Non-accessibilitytotechnologiesonfairand

equitableterms

*IncrementincostsofenergyproductionMajorDisadvantages:

*Riskso8DST:

Fourmajorthrustareasidentified:

I.CO2SequestrationthroughMicroalgaeBio-

fixationTechniques;

II.CarbonCaptureProcessDevelopment.

III.PolicydevelopmentStudies,

(iv)TerrestrialAgro-forestrySequestration.

DST:

Fourmajorthrustareas9AchievementofR&Dprojects ApilotplantforcaptureofCO2andconvertingthesameintousefulfuelslikeMethane,HydrogenandBio-dieselthroughAlgaeroutewasfabricatedanddesigned.ThispilotplantisundertestrunsatRGVPBhopalAchievementofR&Dprojects A10Identifiedthreemarinecyanobacterialstrainswhichtolerated25%ofCO2.ThestrainsweregrownatdifferentconcentrationofCO2andtheirgrowthwasdeterminedintermsofchlorophyllandphycobiliproteinsproduction.

OscillatoriawilleiBDU130791,

PhormidiumvalderianumBDU20191PhormidiumvalderianumBDU91391.

(BhartidhasanUniversity)Identifiedthreemarinecyanob11CO2sequestrationthroughBio-algae

route

Thetechnicalfeasibilityofbio-fixationusingmicroalgaewasstudiedatNITTrichy,ShriMCRCChennaiandDelhiUniversity.Thecaptureofcarbondioxideproducedbycombustionoffossilfuelsusedinelectricitygenerationcanbeachievedbybio-fixationmethodusingsuitablestrainsofmicroalgae.CO2sequestrationthroughBio-12ForestbiomasscanplayanimportantroleinreducingCO2emissionthroughcarbonsequestrationinsoil,treevegetation,groundfloraandlitter.Forestbiomasscanplayanim13 THANKSCARBONCAPTUREANDSEQUESTRATIONRampDApproa

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