Gas Yields and Methane Contents for Various Substrates
From energypedia
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
Overview
- VS = Total volatile solids, e.g. ca. 9% of total liquid manure mass for cows
Substrate / Gas Yield / Methane Content
Table: Gas yields and methane contents for various substrates at the end of a 10-20 day retention time at a process temperature of roughly 30C.
Substrate |
Gas yield (l/kg VS*) |
Methane content (%) |
---|---|---|
Pig manure |
340-550 | 65-70 |
Cow manure | 90-310 | 65 |
Poultry droppings | 310-620 | 60 |
Horse manure | 200-300 | |
Sheep manure | 90-310 | |
Barnyard dung | 175-280 | |
Wheat straw | 200-300 | 50-60 |
Rye straw | 200-300 | 59 |
Barley straw | 250-300 | 59 |
Oats straw | 290-310 | 59 |
Corn straw | 380-460 | 59 |
Rape straw | 200 | |
Rice straw | 170-280 | |
Rice seed coat | 105 | |
Flax | 360 | 59 |
Hemp | 360 | 59 |
Grass | 280-550 | 70 |
Elephant grass | 430-560 | 60 |
Cane trash (bagasse) | 165 | |
Broom | 405 | |
Reed | 170 | |
Clover | 430-490 | |
Vegetables residue | 330-360 | |
Potato tops/greens | 280-490 | |
Field/sugar beet greens | 400-500 | |
Sunflower leaves | 300 | 59 |
Agricultural waste | 310-430 | 60-70 |
Seeds | 620 | |
Peanut shells | 365 | |
Fallen leaves | 210-290 | 58 |
Water hyacinth | 375 | |
Algae | 420-500 | 63 |
Sewage sludge | 310-740 |
Further Information
References
- Production and Utilization of Biogas in Rural Areas of Industrialized and Developing Countries, Schriftenreihe der gtz, No. 97, pg. 63, after: Felix Maramba, Biogas and Waste Recycling - The Phillipine Experience; Metro Manila, Phillipines, 1978