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Investigation on influence of toxic substances on microbial methane production from cattle wastes

, : Investigation on influence of toxic substances on microbial methane production from cattle wastes. Zentralblatt fuer Mikrobiologie 147(5): 308-318

The process of microbial methane formation is determined by a lot of factors. The substrate influences the process intensity and stability by its normal components or by substances formed during its degradation (e.g. volatile fatty acids, NH3, H2S) or by its contamination with toxic substances derived from feed or cleaning systems (e.g. antibiotics, disinfectants, metal compounds). The effects of some harmful substances (copper ions, formaldehyde, disinfectant "Fesiamon", chloroforme, and ethanol) on biogas formation from cattle wastes were determined in discontinuous process and an algorithm for the identification of substrate contamination was developed by measuring of biogas formation in diluted probes.

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