hydrocarbons: what modern societies are made from
TRANSCRIPT
Hydrocarbons
HydrocarbonsWhat modern societies are made of.
Energy
Source: NRC-NAS, 2012Solar energyGlucoseProteinFossil fuelsHCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 2
Carbohydrate vs. HydrocarbonHCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 3
Saccharide single molecule polysaccharide chain of saccharideGasoline 5-9 CDiesel 12 CMotor oil 20 CPlastics hundreds to thousands C (the one featured is polyethylene)
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HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 4Source: Press, Siever, Understanding Earth, 1999
Photosynthesis
HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 5Source: Magazowski, 2012
Fossil Fuel Combustion (simplified)
HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 6Source: Magazowski, 2012
Source: OECD-IEA, 2015HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 7
Global Primary Energy Supply
Keeling Curve
HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 8Source: NOAA, 2015
HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 9Source: Magazowski, 2012
HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 10Source: Downey, 2009
Bond EnergiesHCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 11
Source: WOU, 2015
Chemistry of CombustionHCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 12
Source: WOU, 2015
Energy Content of FuelsHCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 13
Source: WOU, 2015
Stored Energy UnitsEnergy density amount of energy stored in a given system or region of space by unit volume.Specific energy amount of energy stored in a given system or region of space by unit mass.HCU - REAP - Facets of Sustainability - WiSe 15/16 - Hydrocarbons - Heather Troutman 14NameFormulaMolecular weight (g/mole*)Density(kg/m3)E.D.(kJ/g)S.E.(MJ/m3)HydrogenH22.0160.0899141.76612.7MethaneCH416.0430.71755.52639.8EthaneC2H630.071.26451.90265.6EthyleneC2H428.031.26050.34663.4Ethyne**C2H2261.1708.72610.2
Energy Return on Investment (EROI)E contained in fuelE expended on fuel*Conventional Oil (1970)251Conventional Oil (today)151Tar Sands