Abstract
The influence of the substrate concentration, the micro and macro nutrients and buffer requirements, the sludge origin (biomass that is acclimatized or not acclimatized to waste) and the inoculum/substrate ratio (ISR) were studied to determine their effects in the methanogenic potential of turkey manure, which is a solid waste. According to the results obtained, the methane production determination does not require the addition of nutrients (additional to the contents in the waste) and a buffer for this type of assay. The methane yield (YCH4) performance is given by the substrate concentration and the sludge origin, therefore it is better to carry out the assay with biomass that is already adapted to the waste. The methanogenic potential of this type of waste is not determined by the amount of sludge and it does not need an external inoculum (external to the waste contents).
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