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renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
International
Biogas and
Bioenergy
Centre of Competence
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Biogaspotential in Germany according to origin of sustrates
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Biogas
utilisation
Electrical
energy
Therma
l
energy
Feeding in
gas grid
Biogas
cleaning
Biogas upgrading
Cogeneration
Cooking
Lighting
Cooling
Heating
Direct
burnin
g
Vehicle
fuel
Spreading
Gardening
Agriculture
Transport
Energy crops, grass
from Landscape
maintenance (grass,
maize, beets)
Agricultural residues
(manure, slurry)
f
e
r
m
e
n
t
a
t
i
o
n
Bioenergy System with Liquid and Solid Feeding
Storage
Separation
solid components
become compost
liquid components back to the
fermentation or spreading
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Solid Biomass Charging
examples:
U. T. S. Professional
solids charging for daily rations from 10 – 50 tons/day
XXX
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Biomass Batch Feeding in Dry Fermentation
„garage typ“ digester (BEKON, 2004)
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Liquid Biomass Feeding
Lipp Digestor Ligavator Biomass storage
Feedstock
•cabbage
•potatoes
•beets
•grain
•maize
lactic acid
Preservation at pH4
continuous
liquid feeding
substrate preperation with up
to 20 % - 30 % water
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Proposed Tariffs for Biogas in Germany
EEG - Law
Overview: Compensation of Electricity from Biomass (in Cent/kWh):
until 150
kWel
until 500
kWel
until 5
MWel
over 5
MWel
Old Plants As before
Basic Compensation
New Plants 11,5 9,9 8,9 8,4
Old Plants 6 6 4 -
Manure/Crop-Bonus
New Plants 6 6 4 -
Old Plants - - - -
CHP-Bonus
New-Plants 2 2 2 2
Old Plants - - - -
Technology-Bonus
(only if CHP
Condition applies)
New Plants 2 2 2 -
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Statements for Development:
• The size of biogas plants is increasing to bigger dimensions
• At first biogas plants were installed for improvement of fertilizer
• Nowadays investors are more profit orientated
• Availabiliy of feedstocks for the biogas plant is an essential criterion
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops
Statements for Development:
• Research on energy crops and their gas yields since 1993 and the use in
biogas plants since 1998.
• The technology developments are mainly taking place in the digester and
at the intake technology of solid and liquid energy crops
• Liquid manure and waste is a cheap substrate and stabilizer during the
fermentation
• Legal, political and economical frame conditions necessary
• Regional market with substrates, energy: biogas, electricity, heat, fertilizer.
renewables2004, Day of Biomass 3rd June, Bonn
Biogas Production from Agricultural Feedstock and Energy Crops

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Biogas Production from Agricultural Feedstock and Energy Crops

  • 1. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops International Biogas and Bioenergy Centre of Competence
  • 2. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Biogaspotential in Germany according to origin of sustrates
  • 3. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops
  • 4. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Biogas utilisation Electrical energy Therma l energy Feeding in gas grid Biogas cleaning Biogas upgrading Cogeneration Cooking Lighting Cooling Heating Direct burnin g Vehicle fuel Spreading Gardening Agriculture Transport Energy crops, grass from Landscape maintenance (grass, maize, beets) Agricultural residues (manure, slurry) f e r m e n t a t i o n Bioenergy System with Liquid and Solid Feeding Storage Separation solid components become compost liquid components back to the fermentation or spreading
  • 5. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Solid Biomass Charging examples: U. T. S. Professional solids charging for daily rations from 10 – 50 tons/day XXX
  • 6. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Biomass Batch Feeding in Dry Fermentation „garage typ“ digester (BEKON, 2004)
  • 7. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Liquid Biomass Feeding Lipp Digestor Ligavator Biomass storage Feedstock •cabbage •potatoes •beets •grain •maize lactic acid Preservation at pH4 continuous liquid feeding substrate preperation with up to 20 % - 30 % water
  • 8. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Proposed Tariffs for Biogas in Germany EEG - Law Overview: Compensation of Electricity from Biomass (in Cent/kWh): until 150 kWel until 500 kWel until 5 MWel over 5 MWel Old Plants As before Basic Compensation New Plants 11,5 9,9 8,9 8,4 Old Plants 6 6 4 - Manure/Crop-Bonus New Plants 6 6 4 - Old Plants - - - - CHP-Bonus New-Plants 2 2 2 2 Old Plants - - - - Technology-Bonus (only if CHP Condition applies) New Plants 2 2 2 -
  • 9. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Statements for Development: • The size of biogas plants is increasing to bigger dimensions • At first biogas plants were installed for improvement of fertilizer • Nowadays investors are more profit orientated • Availabiliy of feedstocks for the biogas plant is an essential criterion
  • 10. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops Statements for Development: • Research on energy crops and their gas yields since 1993 and the use in biogas plants since 1998. • The technology developments are mainly taking place in the digester and at the intake technology of solid and liquid energy crops • Liquid manure and waste is a cheap substrate and stabilizer during the fermentation • Legal, political and economical frame conditions necessary • Regional market with substrates, energy: biogas, electricity, heat, fertilizer.
  • 11. renewables2004, Day of Biomass 3rd June, Bonn Biogas Production from Agricultural Feedstock and Energy Crops