Energy content of feedstocks

All values in Btu per pound unless stated otherwise

Some calculations are further below

Source:

Calculated values for 

0% moisture "Performing Energy "Bioenergy Calculations" (H83) by Conversion Factors" from O

Anirudh Singh, University Dennis E. B 

Renewable feedstocks

Starch 7560

Sugar 7315

Virgin vegetable oils 16996

Recycled cooking oils and trap grease 16599.5

Tallow/fat 16203

Animal wastes (e.g. manure) 6874

Animal byproducts (e.g. carcasses)

Woody biomass 8386 4000 - 8200 6400 - 9600 3400 - 6900

Herbaceous biomass 7331 6840 - 7370 4300 - 7300 6454

Yard waste 2900 3000

Post-recycling MSW (renewable content only) 5106 4500

Biogas 11024 12048

Algae

Food waste 2000

Paper 7200

Fossil feedstocks

Crude oil 19129 19450

Coal 11618

Coal - bituminous 12197 13200

Coal - anthracite (hard coal) 13290 12700

Coal - lignite/sub-bituminous 7932 6900

Natural gas 19707 18600

Recycled tires/rubber 16000

Plastic 19000

Green wood, low moisture 5594
Green wood, high moisture 3442

Oven dry wood 6884

Vegetation 6454

Polyethylene/polypropylene plastic

Polystyrene plastic

Manure - low

Manure - high

Dried plants

Wood

Coal

Natural gas

Lignin

Cellulose

Calculation of dry wood Btu/lb 8386 8865 9600 6900

7273

Calculation of dry herb. biomass Btu/lb 7331 6840 7300 6454

7370

Calculation of natural gas Btu/lb 19707.4751 18600
AP-42, Appendix A Wikipedia: "Energy Wikipedia: "Energy Density" NREL "Biom content of biofuel" ass Feedstock Composition and Property Dictiongloss.com: Starch Ronald R. Rich, Atmosphere Recovery John W. Bartok, University Database" , Inc., "Overview 

 of Connnecticu

7560 6800

7315

16996

16203

6669 4303 - 6454

5200 6884 - 9036 8436 6400 - 9600 3333 - 7500

4000 4303 - 6884 7983 4300 - 7300 8000 - 8300

4000 - 8000

10000

19922 18015

12607 - 14414

13000 10327 12000

12300 13984 13000

6024

21000 23063 16351 - 21514 20600

16000

18000 - 20000
19922

17814

4303

6454

4303

6884

6884

9036

12607

14414

16351

21514

8667 9036 8436 8000 7500

9600

8000 6884 7983 7300 8300

21000 23062.9482 18932.5 20600
"Auri Fuels Initiative, Agricultural Renewable Solid Fuels Data," Agricultural Utilization Research Institute, W extension.org: "W "Biomass Energy hat is the energy "Energy", Course 10-391J for Spring 2005, Massachusetts Institute of Technology Basics, Fact Sheet 5.8," Ashton, Cassidy potential from manure produced from livestock?" John Lory "Energy Conservation in the Mechanical Forest Industries - Appendix IV, C

[Stoves] Energy Economicexpert.com: Coal in different fuels," e-mail exchange between To"Estim , Southern Forest Research Partnershipation of energyaseca, MN content of municip, University of Mis

7560

7500

7786 - 7955 8175 - 9681 8520 8175

6839 - 7369

2800

2000

7200

12564

12607 12048

13511 15060 12478

11488 7315

16049
8175

9681

9111

7500

7786 8175 8520 8175

7955 9681

6839

7369

16049.4024
n of energy content of municipal solid waste," University of Central Florida
Summary of NREL feedstock property database

All values are HHV in Btu/lb

Wood

Poplar Black locust Eucalyptus Sycamore CottonwoodPine Average =

8384 8418 8384 8414 8431 8422

8431 8409 8429 8481

8405 8474 8432 8354

8461 8582

8439 8480

8491

8395

Herbaceous

Bagasse Corn stover Switchgrass Wheat straw Average =

8349 7967 7998 7481

8186 7894 8116

8174 7835 8153

8195 7903 8137

8149 7911 8148

7967 8233

7697 7927

7697 7886

7848 7990

7870 7999

7896 8004

7914 7956

7978
8436

7983