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Biomass Energy Comparison
Various materials tested by: Agricultural Utilization Research Institute, Waseca, Minnesota
| Biomass |
Moisture |
BTU/lb |
Ash |
Sulphur |
| Alfalfa (leaf and stem) |
12.25% | 6934 - 7729 | 7.94% - 9.06% | 0.195% - 0.22% |
| Aspen |
6.02% | 7786 - 8501 | 2.48% - 2.67% | 0.02% - 0.02% |
| Corn Gluten |
12.06% | 7199 - 8097 | 3.78% - 4.30% | 0.33% - 0.375% |
| Corn (Shell) 54.5 lb/bu |
13.43% | 6924 - 8100 | 1.13% - 1.23% | 0.11% - 0.13% |
| Corn (High Oil) 56.2 lb/bu |
12.49% | 7398 - 8480 | 1.17% - 1.34% | 0.095% - 0.11 % |
| Corn (Waxy) 56.6 lb/bu |
13.09% | 7073 - 8113 | 1.26% - 1.44% | 0.12% - 0.135% |
| Corn Cob |
7.12% | 7369 - 7911 | 2.16% - 2.32% | 0.04% - 0.04% |
| Corn Stalks |
9.14% | 7057 - 7768 | 6.18% - 7.64% | 0.035% - 0.04% |
| Dried Distillers Grain w/solubles |
9.27% | 8459 - 9422 | 4.13% - 4.16% | 0.4% - 0.45% |
| Dried Distillers Grain w/o |
13.35% | 8473 - 9848 | 1.96% - 2.24% | 0.34% - 0.4% |
| Hardwood Pellets |
7.08% | 7955 - 8573 | 0.34% - 0.36% | 0.01% - 0.01% |
| Oats |
12.49% | 7143 - 8242 | 3.17% - 3.58% | 0.135% - 0.16% |
| Soybeans |
10.25% | 8783 - 10230 | 5.19% - 6.22% | 0.29% - 0.33% |
| Straw - Wheat |
8.26% | 6839 - 7375 | 10.40% - 11.33% | 0.07% - 0.075% |
| Straw - Oat |
6.91% | 7153 - 7626 | 7.90% - 8.49% | 0.05% - 0.055% |
| Sugar Beet Pulp |
9.70% | 6597 - 7345 | 3.80% - 4.31% | 0.14% - 0.16% |
| Sunflower Hulls |
8.65% | 8474 - 9654 | 2.86% - 3.13% | 0.14% - 0.15% |
| Wheat Middlings |
12.58% | 7228 - 8415 | 5.18% - 6.00% | 0.15% - 0.17% |
| Wheat |
10.38% | 7159 - 8063 | 2.08% - 2.28% | 0.2% - 0.22% |
Methods:
1. Moisture: ASTM D3173;
2. Ash: ASTM D3174;
3. Btu/lb: ASTM D1989;
4. Sulfur: ASTM D4293