Technology — Biodigestion detail
Typical technical details
Typical technical details
This diagram comes from:
Anaerobic Digestion of Household Waste - A Practical Renewable Energy Option
for London?
Researched by David Collins, City University, Northampton Square, London.
For The Greater London Authority
| food waste | ||
| households |
# | No. |
| food waste | # | t/yr |
| dry solids | # # |
%DS t/yr |
| volatile solids | # # |
%VS t/yr |
| Nitrogen | # # |
%N t/yr |
| gas holder | |
| capacity |
# m3 |
| pressure | # mbar |
| combined heat and power unit | ||
| biogas input | # | m3/hr |
| fuel input | # | MJ/hr |
| electricity conversion | # | % |
| heat conversion | # | % |
| electricity output | # | KW |
| electricity production | # | MW.hr/d |
| heat output | # | KW |
| heat production | # | MW.hr/d |
| availability | # | % |
| electricity | ||
| gross output | # | MW.hr/yr |
| plant consumption | # | MW.hr/yr |
| net output | # | MW.hr/yr |
| heat | ||
| gross output | # | MW.hr/yr |
| plant consumption | # | MW.hr/yr |
| net output | # | MW.hr/yr |
| raw waste conditioning | ||
| capacity | # | m3 |
| temp. | # | C |
| S.G. | # | |
| 5 day week | ||
| food waste in | # | t/d |
| digestate in | # | t/d |
| raw waste out | # | t/d |
| # | m3/d | |
| dry solids | # | %DS |
| # | t/d | |
| volatile solids | # | %VS |
| # | t/d | |
| raw waste buffer storage | ||
| capacity | # | m3 |
| temp. | # | C |
| S.G. | # | |
| 7 day week | ||
| raw waste out | # | t/d |
| # | m3/d | |
| dry solids | # | %DS |
| # | kg/d | |
| volatile solids | # | %VS |
| # | kg/d | |
| anaerobic digestion | ||
| capacity | # | m3 |
| temp. | # | C |
| S.G. | # | |
| H.R.T. | # | d |
| M.G.R.T. | # | hr |
| organic load | # | kg/m3/d |
| volatile solids | ||
| destroyed | # | kg/d |
| digestate out | # | t/d |
| # | m3/d | |
| dry solids | # | %DS |
| # | kg/d | |
| volatile solids | # | %VS |
| # | kg/d | |
| biogas output | # | m3/d |
| calorific value | # | MJ/m3 |
| fuel value | # | MJ/d |
| # | kW | |
| heat input | # | MJ/d |
| pasteurisation | ||
| capacity | # | m3 |
| temp. | # | C |
| S.G. | # | |
| batch time | # | hr |
| digestate out | # | t/d |
| # | m3/d | |
| dry solids | # | %DS |
| # | kg/d | |
| volatile solids | # | %VS |
| # | kg/d | |
| heat input | # | MJ/d |
| digestate storage | ||
| capacity | # | m3 |
| temp. | # | C |
| S.G. | # | |
| digestate out | # | t/d |
| # | m3/d | |
| dry solids | # | %DS |
| # | kg/d | |
| volatile solids | # | %VS |
| # | kg/d | |
| biofertiliser | ||
| digestate | # | t/yr |
| dry solids | # | %DS |
| # | t/yr | |
| volatile solids | # | %VS |
| # | t/yr | |
| nitrogen | 0.8 | %N |
| # | t/yr | |