View source for Gas Yields and Methane Contents for Various Substrates


= 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.'''

{| border="1" cellspacing="2" cellpadding="8" style="width: 100%;  width: 100%"
|-
! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Substrate<br/>
! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Gas yield<br/>(l/kg VS<sup>*</sup>)
! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Methane content<br/>(%)
|-
| Pig manure<br/>
| 340-550
| 65-70
|-
| Cow manure
| 90-310
| 65
|-
| Poultry droppings
| 310-620
| 60
|-
| Horse manure
| 200-300
| <br/>
|-
| Sheep manure
| 90-310
| <br/>
|-
| Barnyard dung
| 175-280
| <br/>
|-
| 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
| <br/>
|-
| Rice straw
| 170-280
| <br/>
|-
| Rice seed coat
| 105
| <br/>
|-
| Flax
| 360
| 59
|-
| Hemp
| 360
| 59
|-
| Grass
| 280-550
| 70
|-
| Elephant grass
| 430-560
| 60
|-
| Cane trash (bagasse)
| 165
| <br/>
|-
| Broom
| 405
| <br/>
|-
| Reed
| 170
| <br/>
|-
| Clover
| 430-490
| <br/>
|-
| Vegetables residue
| 330-360
| <br/>
|-
| Potato tops/greens
| 280-490
| <br/>
|-
| Field/sugar beet greens
| 400-500
| <br/>
|-
| Sunflower leaves
| 300
| 59
|-
| Agricultural waste
| 310-430
| 60-70
|-
| Seeds
| 620
| <br/>
|-
| Peanut shells
| 365
| <br/>
|-
| Fallen leaves
| 210-290
| 58
|-
| Water hyacinth
| 375
| <br/>
|-
| Algae
| 420-500
| 63
|-
| Sewage sludge
| 310-740
| <br/>
|}

<br/>

= Further Information =

*[[Portal:Biogas|Biogas Portal on energypedia]]



= References<br/> =

*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

<references />

[[Category:Biogas]]