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Methane Fermentation of Slurry with Chemical and Biological Additive
 
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Instytut Inżynierii Biosystemów, Uniwersytet Przyrodniczy w Poznaniu, ul. Wojska Polskiego 50, 60-627 Poznań
 
 
Publication date: 2017-12-01
 
 
Corresponding author
Anna Smurzyńska   

Instytut Inżynierii Biosystemów, Uniwersytet Przyrodniczy w Poznaniu, ul. Wojska Polskiego 50, 60-627 Poznań
 
 
Inż. Ekolog. 2017; 6:81-88
 
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ABSTRACT
The problem of proper slurry management is primarily present in intensive livestock production. Industrialized livestock farms generate enormous quantities of manure droppings in a livestock-litter-free system. The traditional management of slurry is made by using it as a fertilizer. Alternative techniques used for neutralizing the detrimental effect of slurry are based on the use of chemical and biological additives, as well as by introducing aerobic environment through aerobic or anaerobic digestion, leading to methane fermentation. In the experiment, cattle manure was used, which came from the Przybroda farm belonging to the University of Life Sciences in Poznan. The aim of the study was to determine the biogas yield of slurry using the chemical and biological additive available on the Polish market. Mesophilic and thermophilic fermentation was used for the indication of the effectiveness of the employed fermentation process. The slurry was supplemented by a biological and chemical additive, i.e. effective microorganisms and – PRP, respectively. The experiment allowed to achieve a higher biogas yield during the use of effective microorganisms.
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