 |  | Biogas Plants (GTZ, 1988, 85 p.) |
 |  | (introduction...) |
| | Acknowledgements |
| | Preface |
| | 0. Biogas as appropriate technology |
| | 1. Benefits and costs of a biogas plant |
|  | 2. The dgestion process |
| | (introduction...) |
| | 2.1 The fermentation slurry |
| | 2.2 Fermentation slurry as fertilizer |
| | 2.3 Biogas |
| | 3. Biogas plants |
| | 3.1 Feed methods |
| | 3.2 Plant types |
| | 4. Scaling of biogas plants |
| | 4.1 Definitions |
| | 4.2 Scaling of the digester |
| | 4.3 Scaling of gasholder |
| | 4.4 Digester/gasholder ratio |
| | 4.5 Measuring and test programmes |
| | 5. Design of biogas plants |
| | 5.1 Shape and static loading |
| | 5.2 Bottom slab |
| | 5.3 Spherical shell of masonry construction |
| | 5.4 Masonry and mortar |
| | 5.5 The parts of a biogas plant and their functions |
| | 5.6 Floating gas drum |
| | 5.7 Water-lacket plant |
| | 5.8 Fixed-dome plants |
| | 5.9 Large-scale plants |
| | 5.10 Biogas plants in cold regions |
| | 6. Biogas utilization |
| | (introduction...) |
| | 6.1 Biogas appliances |
| | 7. Planning, design and construction |
| | 8. Appendix |
| | Bibliography |
