Methane production during laboratory-scale co-digestion of cattle slurry with 10 wt. % of various biowastes

• Authors: Jiří Rusín , Kateřina Chamrádová , Karel Obroučka , Roman Kuča
• Languages of publication: EN

Abstracts

EN

The paper summarizes the results from twenty model tests of continuous one-stage mesophilic anaerobic co-digestion of cattle slurry (90 wt. %) and various biowastes (10 wt. %). Digestion was conducted in 0.06 m3 reactors with hydraulic retention times ranging from 60 to 98 days during the research period 2007-2010. Methane production intensity and specific methane production are discussed. The highest methane production intensity (0.85 mN3.m-3.d-1) was from a mixture of 63 wt. % of total solids from biscuit meal EKPO - EB and from 37 wt. % of total solids from cattle slurry. The highest specific methane production from 1 kg of added organic compounds (0.67 mN3.kgVSp-1) was given by a mixture containing 61 wt. % of total solids using spring barley Aksamit (milled grain) and 39 wt. % of total solids from cattle slurry. The highest substrate-specific methane production (0.92 mN3.kgVSp-1) was from milled grains of winter rye Aventino.

Keywords

EN

biowaste; cattle slurry; anaerobic co-digestion; specific methane production

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2012
• Volume: 14
• Issue: 1
• Pages: 14-20

Dates

published

1 - 1 - 2012

online

3 - 4 - 2012

Contributors

author

Jiří Rusín

• Centre of environmental technologies, VŠB, Technical University Ostrava, 9350, 17. listopadu 15, Ostrava - Poruba 708 33

author

Kateřina Chamrádová

• Centre of environmental technologies, VŠB, Technical University Ostrava, 9350, 17. listopadu 15, Ostrava - Poruba 708 33

author

Karel Obroučka

• Centre of environmental technologies, VŠB, Technical University Ostrava, 9350, 17. listopadu 15, Ostrava - Poruba 708 33

author

Roman Kuča

• Centre of environmental technologies, VŠB, Technical University Ostrava, 9350, 17. listopadu 15, Ostrava - Poruba 708 33

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Identifiers

DOI

10.2478/v10026-012-0053-x