HAL Id: hal-02737142
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Submitted on 2 Jun 2020
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Assessment of biogas production limits in anaerobic reactors for a flexible energy production
Wendy Laperrière, Michel Torrijos, Bruno Péchiné, Jean-Philippe Steyer
To cite this version:
Wendy Laperrière, Michel Torrijos, Bruno Péchiné, Jean-Philippe Steyer. Assessment of biogas pro- duction limits in anaerobic reactors for a flexible energy production. 15. IWA World Conference on Anaerobic Digestion (AD-15), Oct 2017, Beijing, China. 2017. �hal-02737142�
Version postprint
Comment citer ce document :
Laperriere, W., Torrijos, M., Péchiné, B., Steyer, J.-P. (2017). Assessment of biogas production limits in anaerobic reactors for a flexible energy production. Presented at 15. IWA World
Conference on Anaerobic Digestion (AD-15), Beijing, CHN (2017-10-17 - 2017-10-20).
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photo
Reactor Carrots & grass Grass &manure Manure & slurry
Base OLR (gVS/L.d)
1.5 2.5 1.5 2.5 1.5 2.5
Average baseload production (mLCH4/L.d)
466 823 375 556 347 427
Maximal production after overloads with baseload substrates (mLCH4/L.d)
Flexibility
837 +76%
1001 +14%
574 +57%
707 +27%
441 +27%
436 0%
Maximal activity after overloads with fast- degradable substrates (mLCH4/L.d)
Flexibility
1029 +122%
1040 +25%
791 +113%
1197 +92%
763 + 121%
1057 +151%
20 30 40 50 60 70 80 90 100 110
0 200 400 600 800 1000
0.5 1.5 2.5 3.5 4.5
Time for consuming 80% of overload (hours) Maximal production in 24h (mLCH4/L.d)
Intensity of overloads (gVS/L)
Maximal
production in 24h after overloads
Time for consuming 80% of overload
20 30 40 50 60 70 80 90 100 110
0 200 400 600 800 1000
0.5 1.5 2.5 3.5 4.5
Time for consuming 80% of overload (hours) Maximal production in 24h (mLCH4/L.d)
Intensity of overloads (gVS/L)
Maximal production in 24h after
overloads
Time for consuming 80% of overload
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[1] Szarka, N., Scholwin, F., Trommler, M., Fabian Jacobi, H., Eichhorn, M., Ortwein, A., Thrän, D., 2013. A novel role for bioenergy: A flexible, demand-oriented power supply. Energy 61, 18–26. doi:10.1016/j.energy.2012.12.053
[2] Mauky, E., Weinrich, S., Jacobi, H.-F., Nägele, H.-J., Liebetrau, J., Nelles, M., 2017. Demand-driven biogas production by flexible feeding in full-scale – Process stability and flexibility potentials. Anaerobe. doi:10.1016/j.anaerobe.2017.03.010
