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AATM 4.2 - 4.2 Uses of Natural...

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4.2 Uses of Natural gas -Industiral-32.3 -REsidential-21.8 -Commercial-14.0 -Electric Power-24.4 -Vehicle Fuel-.1 -Pipeline Fuel-2.5 -Oil and Gas Industry zOperations-4.9 Natural gas "Oil's Little Sister" "The Clean fuel" Mostly methane (CH4) with some ethane, propane, and butane. Propane and butane removes as liquipied petroleum gas (LPG) If refrigerated to -300F, known as liquified natural gas (LNG) Methane is a fossil fuel found with oil reservoirs and coal deposits. Methane is also produced biogenically (e.g. swamps and waste landfills) known as swamp gas or marsh gas or landfill gas. DO NOT CONFUSE GASOLINE (GAS FOR SHORT) WITH NATURAL GAS. Carbon Dioxide (CO2) emmissions from fossil fuels (Carbon emission factor) Coal: 202 lbs CO2 per million BTU -about 2.5 tons CO2 per ton of coal Petroleum: 165 lbs CO2 per million BTU -about 950 lbs CO2 per barrel of oil or about 20 lbs CO2 per gallon of gasoline Natural Gas: 117 lbs CO2 per million BTU -about 120 lbs CO2 per thousand cubic feet Carbon: Hydrogen Ratio Natural Gas 1:4 Oil 1:3 Coal 1:2
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