Esbjerg, 25th August 2016 - About Task 37 - IEA Bioenergy...
Transcript of Esbjerg, 25th August 2016 - About Task 37 - IEA Bioenergy...
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Esbjerg, 25th August 2016
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Aims of the AD plant operator
High and constant production
Higher efficiency by using the products (yield)
Lower costs
• Optimization of the input material
• Reasonable use of side-products
On farm
From market
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Different contests, specific systems and many feeding opportunities
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Indexes of biological efficiency
Utilisation of the whole potential degradable organic matter
Less energy expense necessary to maintain the microorganisms
Higher concentration of CH4/biogas
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Efficiency/proposal for measurement
Methane/potential fermentableorganic matter (pFOM)
pFOM fermented /pFOM added
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Fodder composition
Fresh matterWater (humidity)
Dry matterAnorganic substance (Ashes)Organisc matter (OM)
- Non fermentable OM- N fixed to fibre- Lignin- Fibre fixed to lignin
- Fermentable OM- Carbohydrates- Proteines- Fats
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Knowing exactly the fodder composition
Analysis in laboratory
• Fast
• Reliable
• Precise
Determination of all substrate components
• Especially the fermentable and non fermentable quotes
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Predict the biological reaction
Univerity of Bologna and BTS created a dynamic system:
• Bacterial development in the fermenter
• Kinetic degradation of all substrates
• Methane production
• Quantity and quality of the digestate
• Total efficiency of the fermentation process
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Biomass under the microscope
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Structure of the cell
Hemicellulose
Cellulose
Lignin
interior ofthe cell
BIOaccelerator
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Botanic composition
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Botanic composition
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Fistula on the cow:
fermentation samples
directly from the rumen
Cow Fistula
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A new method: Biogas fistula
It is necessary to know the kineticdegradation of the organic matter in time
Usually there are used pilotfermenters in laboratory
• But it is impossible to describe the kineticdegradation
Doubt about the reproducibility of whatreally happens in practice
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Preparation of samples to be analysed in laboratory
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A new method: Biogas fistula
Introduction of the samples into the
biogas plant.
It’s possibleto retrieve the bags
at any time to analysethe non fermented
matter.
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• The first laboratory specialized in biogas in Italy
• More than 3,000 analyses of fermenters per month
• pH, FOS/TAC
• all kinds of acids
• DM, oDM
• N, Ammonium
• Micronutrients
• Electric conductibility
• Redox potential
• NDF, ADF, ADL
• XP, starch, fat, sugar
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BTS Biogas with University of Bologna
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Dynamic forecast model for:
Development of the bacterial grow
Kinetics of degradation for every single substrate and the ration mix
Production of methane/electric energy
Quantity and Quality of the digestive product
Global efficiency of the fermentation process
Economical efficiency for the diet costs
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Influence factors for the digestion:
Retention time (TR)
- Passing velocity (Kp)
Constant of hourly degradation (Kd)
- Intrinsic characteristics of the substrate
- Treatment – exposed surface
Knowing Kp and Kd we can calculate the degraded substrate in the fermenter
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Non fermentable matter
pFOM potentially fermentable
organic matter
FOM
fermentated organic matter
Own consumption of the
bacteria
Potential residue gas
Weende Method
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Retention time for each tank
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Energy Production
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Cost – optimization
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Calculation for the TMR
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Fermentable Mass
pFOM
Organic DM
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Details of the degradation
Products which are not enough degraded in the ration mix?
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Output
Recirculation
Yes / No?
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BIOaccelerator
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Thank youfor your attention!
Michael NiederbacherE [email protected] www.bts-biogas.com
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Contacts
ItalyHeadquartersBTS Biogas Srl/GmbHVia San Lorenzo, 34 St. Lorenznerstr.I-39031 Brunico/Bruneck (BZ) T +39 0474 37 01 19F +39 0474 55 28 36
Laboratory, Service & Logistic, International Training CentreBTS Biogas SrlVia Vento, 9I-37010 Affi (VR) T +39 0454 85 42 05
UKHeadquarters Service & LogisticBTS Biogas LtdUnit 2 Lotherton CourtLotherton WayGarforthLeedsLS25 2JYT +44 (0)113 345 3140
FranceHeadquarters BTS Biogaz SAS
12 avenue des Saules – BP61
69922 Oullins Cedex
T +33 (0)4 72 68 80 49
F +33 (0)4 72 36 30 69
Sales Office BTS Biogas SAS
1 bis rue d‘ouessant - BP 96241
35762 Saint Gregoire
T +33 (0)2 99250331
GermanyHeadquarters BTS Biogas GmbHKufsteiner Str. 35 D-83064 RaublingT +49 (0) 8063 20 03 31-1F +49 (0) 8063 20 03 31-6
JapanHeadquarters BTS Biogas K.K.6-10-1 Roppongi, Minato-ku, Tokyo T 050 5809 8399
CanadaSales Office BTS Biogas
480 University Avenue, Suite 1500
Toronto, ON, M5G 1V2
T +1 (416) 598-7105
F +1 (416) 598-1840
www.bts-biogas.com