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HARDBACK + PDF your price: $47.00 add to cart HARDBACK list:$37.00 Web:$33.30 add to cart PDF BOOK your price: $31.00 add to cart PDF CHAPTERS your price: $3.00 select Rights & Permissions Free Resources PDF Report Brief PDF EXECUTIVE SUMMARY Display this book on your site! Related Titles Prospective Evaluation of Applied Energy Research and Development at DOE (Phase Two) Environmental Impacts of Wind-Energy Projects Other Related Titles Coal: Research and Development to Support National Energy Policy (2007) Board on Earth Sciences and Resources (BESR) Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Page 170   E-mail  Facebook  Digg  Stumble  Twitter More The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy. Appendix G Unit Conversion Factors and Energy Ratings CONVERSION FACTORS 1 Btu [British thermal unit] = 1.055 kJ [kilojoules] = 252 cal [calories] 1 cal = 0.003967 Btu = 4.184 J 1 quad [quadrillion Btu] = 1015 Btu 1 Btu/lb = 0.556 kcal/kg ENERGY RATINGS 1 tce [tonne of coal equivalent] = 29.308 GJ = 27.778 million Btu 1 toe [tonne of oil equivalent] = 41.868 GJ = 39.683 million Btu “Coal equivalent” coal = 7,000 kcal/kg High-rank coal = 7,000 kcal/kg Low-rank coal = 3,500 kcal/kg Lignite = 2,700 kcal/kg 1 ton lignite = 0.3 to 0.63 tce (average 0.38) 1 ton subbituminous = 0.78 tce Page 170 Front Matter (R1-R12) Summary (1-12) 1 Introduction (13-23) 2 Projections for U.S. and World Coal Use (24-42) 3 Coal Resource, Reserve, and Quality Assessments (43-56) 4 Coal Mining and Processing (57-79) 5 Transport of Coal and Coal Products (80-90) 6 Coal Utilization (91-107) 7 Coal Research Needs and Priorities (108-127) References (128-136) Appendix A: Committee and Staff Biographies (137-144) Appendix B: Presentations to the Committee (145-147) Appendix C: Federal Support for Coal Research (148-154) Appendix D: Data Tables: U.S. and World Coal Reserves (155-159) Appendix E: Coal Mining and Processing Methods (160-166) Appendix F: Acronyms and Abbreviations (167-169) Appendix G: Unit Conversion Factorsand Energy Ratings (170-170)

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Coal Research and Development: to Support National Energy Policy Appendix G Unit Conversion Factors and Energy Ratings CONVERSION FACTORS 1 Btu [British thermal unit] = 1.055 kJ [kilojoules] = 252 cal [calories] 1 cal = 0.003967 Btu = 4.184 J 1 quad [quadrillion Btu] = 1015 Btu 1 Btu/lb = 0.556 kcal/kg ENERGY RATINGS 1 tce [tonne of coal equivalent] = 29.308 GJ = 27.778 million Btu 1 toe [tonne of oil equivalent] = 41.868 GJ = 39.683 million Btu “Coal equivalent” coal = 7,000 kcal/kg High-rank coal = 7,000 kcal/kg Low-rank coal = 3,500 kcal/kg Lignite = 2,700 kcal/kg 1 ton lignite = 0.3 to 0.63 tce (average 0.38) 1 ton subbituminous = 0.78 tce