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Difference between revisions of "Gas Yields and Methane Contents for Various Substrates"

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{| width="100%" cellspacing="2" cellpadding="8" border="1"
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= 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%"
 
|-
 
|-
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! width="40%" | Substrate  
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! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Substrate<br/>
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! width="35%" | Gas yield<br> (l/kg VS<sup>*</sup>)  
+
! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Gas yield<br/>(l/kg VS<sup>*</sup>)
−
! width="25%" | Methane content<br> (%)
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! style="width: 40%;  background-color: rgb(204, 204, 204);  text-align: left" | Methane content<br/>(%)
 
|-
 
|-
−
| Pig manure  
+
| Pig manure<br/>
−
| 340-550  
+
| 340-550
 
| 65-70
 
| 65-70
 
|-
 
|-
−
| Cow manure  
+
| Cow manure
−
| 90-310  
+
| 90-310
 
| 65
 
| 65
 
|-
 
|-
−
| Poultry droppings  
+
| Poultry droppings
−
| 310-620  
+
| 310-620
 
| 60
 
| 60
 
|-
 
|-
−
| Horse manure  
+
| Horse manure
−
| 200-300  
+
| 200-300
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Sheep manure  
+
| Sheep manure
−
| 90-310  
+
| 90-310
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Barnyard dung  
+
| Barnyard dung
−
| 175-280  
+
| 175-280
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Wheat straw  
+
| Wheat straw
−
| 200-300  
+
| 200-300
 
| 50-60
 
| 50-60
 
|-
 
|-
−
| Rye straw  
+
| Rye straw
−
| 200-300  
+
| 200-300
 
| 59
 
| 59
 
|-
 
|-
−
| Barley straw  
+
| Barley straw
−
| 250-300  
+
| 250-300
 
| 59
 
| 59
 
|-
 
|-
−
| Oats straw  
+
| Oats straw
−
| 290-310  
+
| 290-310
 
| 59
 
| 59
 
|-
 
|-
−
| Corn straw  
+
| Corn straw
−
| 380-460  
+
| 380-460
 
| 59
 
| 59
 
|-
 
|-
−
| Rape straw  
+
| Rape straw
−
| 200  
+
| 200
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Rice straw  
+
| Rice straw
−
| 170-280  
+
| 170-280
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Rice seed coat  
+
| Rice seed coat
−
| 105  
+
| 105
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Flax  
+
| Flax
−
| 360  
+
| 360
 
| 59
 
| 59
 
|-
 
|-
−
| Hemp  
+
| Hemp
−
| 360  
+
| 360
 
| 59
 
| 59
 
|-
 
|-
−
| Grass  
+
| Grass
−
| 280-550  
+
| 280-550
 
| 70
 
| 70
 
|-
 
|-
−
| Elephant grass  
+
| Elephant grass
−
| 430-560  
+
| 430-560
 
| 60
 
| 60
 
|-
 
|-
−
| Cane trash (bagasse)  
+
| Cane trash (bagasse)
−
| 165  
+
| 165
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Broom  
+
| Broom
−
| 405  
+
| 405
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Reed  
+
| Reed
−
| 170  
+
| 170
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Clover  
+
| Clover
−
| 430-490  
+
| 430-490
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Vegetables residue  
+
| Vegetables residue
−
| 330-360  
+
| 330-360
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Potato tops/greens  
+
| Potato tops/greens
−
| 280-490  
+
| 280-490
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Field/sugar beet greens  
+
| Field/sugar beet greens
−
| 400-500  
+
| 400-500
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Sunflower leaves  
+
| Sunflower leaves
−
| 300  
+
| 300
 
| 59
 
| 59
 
|-
 
|-
−
| Agricultural waste  
+
| Agricultural waste
−
| 310-430  
+
| 310-430
 
| 60-70
 
| 60-70
 
|-
 
|-
−
| Seeds  
+
| Seeds
−
| 620  
+
| 620
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Peanut shells  
+
| Peanut shells
−
| 365  
+
| 365
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Fallen leaves  
+
| Fallen leaves
−
| 210-290  
+
| 210-290
 
| 58
 
| 58
 
|-
 
|-
−
| Water hyacinth  
+
| Water hyacinth
−
| 375  
+
| 375
−
| <br>
+
| <br/>
 
|-
 
|-
−
| Algae  
+
| Algae
−
| 420-500  
+
| 420-500
 
| 63
 
| 63
 
|-
 
|-
−
| Sewage sludge  
+
| Sewage sludge
−
| 310-740  
+
| 310-740
−
| <br>
+
| <br/>
 
|}
 
|}
  
−
'''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 30C.'''
+
<br/>
 +
 
 +
= Further Information =
 +
 
 +
*[[Portal:Biogas|Biogas Portal on energypedia]]
 +
 
 +
 
  
−
<small>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</small>  
+
= References<br/> =
  
−
<sup>*</sup> VS = Total volatile solids, e.g. ca. 9% of total liquid manure mass for cows
+
*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]]
 
[[Category:Biogas]]

Latest revision as of 08:55, 18 June 2014

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


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