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Fossil fuels ( 化石燃料 )• Solid: coal, world deposits 10 timesgreater than oil and gas resourcescombined• 可燃成分 : carbon and hydrogen
Increasing heat and carbon contentIncreasing moisture contentPeat 泥炭(not a coal)Lignite 褐煤(brown coal)Bituminous Coal 烟煤(soft coal)Anthracite 无烟煤(hard coal)HeatHeatHeatPressure Pressure PressurePartially decayedplant matter in swampsand bogs; low heatcontentLow heat content;low sulfur content;limited supplies inmost areasExtensively usedas a fuel becauseof its high heat contentand large supplies;normally has ahigh sulfur contentHighly desirable fuelbecause of its highheat content andlow sulfur content;supplies are limitedin most areas
Page 1 and 2: Environmental Science环境学
Page 3 and 4: Major contents of the courseChapter
Page 5 and 6: Important conceptsEnergy ( 能量
Page 7 and 8: Types of Energy• Primary Energy (
Page 9 and 10: Secondary EnergyNon-Renewable — e
Page 11 and 12: History of energy consumption1 卡
Page 13 and 14: Energy Demand IncreasesAs World Pop
Page 15 and 16: Energy consumption and living quali
Page 23: Worldwide Commercial Energy Product
Page 27 and 28: Surface Mine: 露天采煤
Page 29 and 30: 煤的优缺点AdvantagesAmple supp
Page 31 and 32: Fossil fuels ( 化石燃料 )•
Page 33 and 34: Gases天然气石油的分馏
Page 35 and 36: Fossil fuels ( 化石燃料 )•
Page 37 and 38: 天然气的优缺点AdvantagesAmpl
Page 39: Precautions• Difficulty with extr

Energy

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