Knowledge fuels change
For over a decade, Energypedia has shared free, reliable energy expertise with the world.
We’re now facing a serious funding gap.
Help keep this platform alive — your donation, big or small, truly matters!
Thank you for your support
Difference between revisions of "Gas Yields and Methane Contents for Various Substrates"
***** (***** | *****) m (New page: {| cellspacing="2" cellpadding="8" border="1" width="100%" |- ! width="40%" | Substrate ! width="35%" | Gas yield<br> (l/kg VS<sup>*</sup>) ! width="25%" | Methane content<br> (%) |- | P...) |
***** (***** | *****) m |
||
| Line 1: | Line 1: | ||
| − | {| cellspacing="2" cellpadding="8" border="1 | + | {| width="100%" cellspacing="2" cellpadding="8" border="1" |
|- | |- | ||
! width="40%" | Substrate | ! width="40%" | Substrate | ||
| Line 143: | Line 143: | ||
<sup>*</sup> VS = Total volatile solids, e.g. ca. 9% of total liquid manure mass for cows | <sup>*</sup> VS = Total volatile solids, e.g. ca. 9% of total liquid manure mass for cows | ||
| + | |||
| + | [[Category: Biogas]] | ||
Revision as of 10:42, 28 April 2009
| 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 |
Table B1: Gas yields and methane contents for various substrates at the end of a 10-20 day retention time at a process temperature of roughly 30�C.
Source: 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
* VS = Total volatile solids, e.g. ca. 9% of total liquid manure mass for cows
