High- and low-solids anaerobic digestion in laboratory model fermenter made from silage bags

• Autorzy: Rusín J. , Kašáková K. , Chamrádová K. , Staněk B. , Obroučka K.
• Języki publikacji: EN

Abstrakty

EN

A laboratory physical model of a new type of anaerobic fermenter for “dry” and “wet” anaerobic digestion consisting of silage bags was designed. In the model, the experiment based on high-solids discontinuous anaerobic co-fermentation of agricultural substrates was carried out. It was verified that a horizontal fermenter constructed from silage bags is a suitable type of equipment for the production of biogas. The biogas production peaked at 4th day and was completed by 18th day. Within 18 days of discontinuous high-solids process (18.5-20.0 wt. %TS) the intensity of biogas production reached 1.18 mN3. m-3 . d-1, or 0.0012 mN3. kg-1 . d-1, and the specific methane production 0.01 mN3. kg-1, or 0.07 mN3. kgVS-1. After conversion of the modeling process to a semi-continuous low-solids mode (3.5-5. 5 wt. %TS) during the daily dosage of 87 wt % mixture of biscuit meal EKPO-EB with 13 wt % CaO, the intensity of biogas production reached the value 2.42 mN3 . m-3 . d-1, or 0.0105 mN3 . kg-1 . d-1. The fermentation bag appears to be a more efficient device in the semi-continuous “low-solids” Laboratory model: “(2 inches)”.

Słowa kluczowe

EN

mobile biogas plant; high-solids (dry) anaerobic digestion; silage bag; discontinuous mode; semi-continuous mode

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2013
• Tom: Vol. 15, nr 2
• Strony: 23--28
• Opis fizyczny: Bibliogr. 22 poz., rys., wykr., tab.

Twórcy

autor

Rusín J.

• VSB – Technical University of Ostrava, Centre for Environmental Technology 9350, 17. listopadu 15/2172, Ostrava – Poruba, 708 33, Czech Republic

autor

Kašáková K.

• VSB – Technical University of Ostrava, Centre for Environmental Technology 9350, 17. listopadu 15/2172, Ostrava – Poruba, 708 33, Czech Republic

autor

Chamrádová K.

• VSB – Technical University of Ostrava, Centre for Environmental Technology 9350, 17. listopadu 15/2172, Ostrava – Poruba, 708 33, Czech Republic

autor

Staněk B.

• CERNIN, s.r.o. Kruzberk, Czech Republic

autor

Obroučka K.

• VSB – Technical University of Ostrava, Centre for Environmental Technology 9350, 17. listopadu 15/2172, Ostrava – Poruba, 708 33, Czech Republic

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