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Anaerobic Digestion Biogas Process. Stage 1: Organic waste collection and sorting. Stage 2: Mechanical pre-treatment and shredding. Stage 3: Anaerobic digestion in sealed tank. Stage 4: Biogas collection and desulphurisation. Stage 5: Combined heat and power generation. Stage 6: Digestate processing into biofertiliser.
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Look at the image below. You have 25 seconds to study it, then 40 seconds to describe in detail what it shows.
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Energy Content of Biomass Feedstocks (megajoules per kilogram). Raw Feedstock: Wheat Straw 14, Rice Husk 13, Softwood Sawdust 16, Hardwood Chips 15, Olive Pomace 17. Densified Pellets: Wheat Straw 18, Rice Husk 17, Softwood Sawdust 21, Hardwood Chips 20, Olive Pomace 22.
| Wheat Straw | Rice Husk | Softwood Sawdust | Hardwood Chips | Olive Pomace | |
|---|---|---|---|---|---|
| Raw Feedstock | 14 | 13 | 16 | 15 | 17 |
| Densified Pellets | 18 | 17 | 21 | 20 | 22 |
Operational Attributes of Wave Energy Converters. Columns: Device Type, Water Depth, Capacity Factor, Capital Cost Rating. Point Absorber, Deep water, 38%, Moderate. Oscillating Water Column, Nearshore, 29%, High. Attenuator, Deep water, 34%, High. Overtopping Reservoir, Shoreline, 22%, Very High.
| Device Type | Water Depth | Capacity Factor | Capital Cost Rating |
|---|---|---|---|
| Point Absorber | Deep water | 38% | Moderate |
| Oscillating Water Column | Nearshore | 29% | High |
| Attenuator | Deep water | 34% | High |
| Overtopping Reservoir | Shoreline | 22% | Very High |
Remote Community Microgrid Compound, north at the top. Solar Array Field in the north-west, Battery Bank in the north-east, Control Building in the east, Biomass Boiler in the south-west, Substation Yard in the south-east.
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