description
Terms
- Anaerobic Digestion - digestion without oxygen
- Methanogenisis - Generation of methane from organic matter.
- Effluent/Digestate - the liquid fertilizer output
Digester
| Min temp (F) | Max temp (F) | Min temp (C) | Max temp (C) |
|---|---|---|---|
| 95 | 105 | 35 | 40.55 |
Digestion Process
flowchart TD
A[Water] & B[Organic matter] --> C
C[Feedstock slurry] --Added to digester--> D
D{Hydrolysis via Acetogens} ----> E & F
E(Acetic acid) --> G
F(CO2 Gas) --> I
G{Methanogens} --> H
H[Methane] --> I
I((Gas Storage))
If you feed the digester too much/too quickly the acetogens will produce too much acid and reduce the PH, souring the digester.
Feedstocks(Digester Inputs)
organic matter which will break down through natural decomposition.
- Manure
- Food waste -
- Cooking oil
- Milk
- brewers spent grain
- maybe mushroom farm waste product?
Blend nutrients and water into a slurry
Digester outputs
Gas
| Percentage | Chemical signature | Name |
|---|---|---|
| 60% | CH4 | Methane |
| 39% | CO2 | Carbon Dioxide |
| 1% | H2S | Hydrogen Sulfide |