Alternative Utilization of Protein-Rich Waste by Its Conversion into Biogas in Co-Fermentation Conditions
Piotr Sakiewicz1, Krzysztof Piotrowski2, Jan Cebula3, Jolanta Bohdziewicz4
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1Faculty of Mechanical Engineering, Institute of Engineering Materials and Biomaterials, Unit of Nanocrystalline
and Functional Materials and Sustainable Proecological Technologies, Silesian University of Technology in Gliwice
2Faculty of Chemistry, Department of Chemical Engineering and Process Design,
Silesian University of Technology in Gliwice, ks. M. Strzody 7, 44-101 Gliwice, Poland
3Faculty of Materials and Environmental Sciences, Institute of Environmental Protection and Engineering,
Unit of Environmental Processes and Technologies, University of Bielsko-Biała
4Faculty of Energy and Environmental Engineering, Institute of Water and Wastewater Engineering,
Unit of Environmental Chemistry and Membrane Processes,
Silesian University of Technology in Gliwice
Submission date: 2016-10-07
Final revision date: 2016-12-06
Acceptance date: 2016-12-31
Online publication date: 2017-05-15
Publication date: 2017-05-26
Pol. J. Environ. Stud. 2017;26(3):1225-1231
The recommended process conditions and problems reported during anaerobic (co-)fermentation of waste biomass rich in proteins are discussed. Theoretical potentials of the individual biogas components (CH4, CO2, NH3, H2S) formed during chemical decomposition of aminoacids – feed additives commonly used in feeding animals – are shown, and we discuss side production of odors, e.g., ammonia and organic sulphur compounds. We also suggest the potential alternative production of biohydrogen (a future energy carrier) from specific waste biomass with high protein content.
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