Dry Anaerobic Digestion Of Organic Residues On-Farm

Dry anaerobic digestion of organicresidues on-farm - a feasibility study......Page 1
Abstract......Page 4
Tiivistelmä......Page 7
Foreword......Page 10
Contents......Page 11
1 Introduction......Page 12
1.1 Dry anaerobic digestion plants on-farm......Page 13
1.2 Environmental impact of dry anaerobicdigestion......Page 18
1.3 Use of digestion residues......Page 19
1.4 Economic assessment in respect of Finnishfarms......Page 20
2 Material and methods......Page 21
2.1 Technical documentation......Page 22
2.3 Composting experiments......Page 23
2.4.1 Mass balance......Page 24
2.4.2 Nutrient balance......Page 28
2.4.3 Energy balance......Page 29
2.5 Cost benefit analysis......Page 31
3.1 Technical documentation of the biogas plant inJärna......Page 34
3.1.1 Design and material flow......Page 35
3.1.2 Mass balance......Page 39
3.1.3 Nutrient balance......Page 44
3.1.4 Energy balance......Page 46
3.2 Assessment of decontamination......Page 0
3.3 Economic assessment......Page 49
3.4 Environmental assessment......Page 50
4.1 Conclusions for farmers......Page 53
4.2 Conclusions for biogas plant manufacturers......Page 54
4.3 Conclusions for decision makers......Page 55
5 Summary......Page 58
6 References......Page 59
7 Appendices......Page 66
Agricultural Engineering reports published in Agrifood ResearchReports series.......Page 99