Dr Thomas Fritz, Schaumann Bioenergy

1. OPERATIONAL PERFORMANCE –
ADDITIVES AND PLANT STABILITY
#UKADBiogas @adbioresources
CHAIR:
DR HUGH BULSON, ORA
PANEL:
BRITT NILSSON, KEMIRA KEMI AB
JØRGEN FINK, XERGI
DR THOMAS FRITZ, SCHAUMANN BIOENERGY
DR STEPHEN TEMPLE, JF TEMPLE & SON

2. by
Dr.-Ing. Thomas Fritz
Seminar at UK AD & Biogas Show 2015
NEC Birmingham
Common digester problems /
Derivation – Symptoms – Approaches

3. 3

4. Expertise
products consulting analytic
4
Anaerobic digestion

5. Common digester problems
Foaming
increasing viscosity
Increasing VFA/TIC
value
low methane yield
Acidification

6. 6Dr.-Ing. Thomas Fritz, 2013

7. 7Dr.-Ing. Thomas Fritz, 2013

8. 8Dr.-Ing. Thomas Fritz, 2013

9. Common problems of biogas plant biology
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0
500
1000
1500
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2500
pH,feedinput[t/d]
volatilefatacid[mg/l]
acetic acid [mg/l]
propionic acid [mg/l]
pH
feed input [t/d]

10. Economic impact of AD deficiencies
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11. organic
conservation
additives
biological silage
additives
specialised
enzyme-mixtures
tailor made
micronutrient and
additive mixtures
precipitating agent
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12. Tailor-made additive mixtures for the optimisation of the anaerobic
substrate degradation in a patented process
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13. The main goals
for the use of silage agents in biogas silages
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pre-treatmant
(promotion of digestibility)
against
energy losses
against
toxic
conversion processes
against
protein degradation+ +
+

14. Manner of the enzymatic action
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1st group of enzymes: ripping of fibres
2nd group of enzymes :
splitting of molecules

15. &
Expertise in anaerobic digestion
You can find us at:
Stand number:
F401

16. OPERATIONAL PERFORMANCE –
ADDITIVES AND PLANT STABILITY
#UKADBiogas @adbioresources
CHAIR:
DR HUGH BULSON, ORA
PANEL:
BRITT NILSSON, KEMIRA KEMI AB
JØRGEN FINK, XERGI
DR THOMAS FRITZ, SCHAUMANN BIOENERGY
DR STEPHEN TEMPLE, JF TEMPLE & SON