Bio-acidification of animal slurry: Efficiency, stability and the mechanisms involved

Slurry acidification is effective for reducing gaseous emissions during slurry storage. However, an alternative to sulfuric acid traditionally used needed. This study investigated the efficiency of bio-acidification treatment by adding different types and amounts fermentable substrates initiate sustain fermentation process. The carbon pools in were quantified understand mechanisms involved bio-acidification. Substrate addition efficiently reduced pH storage via lactic production. Substrates with a low proved beneficial initiating process, but higher glucose dosage did not produce highest concentration. Once treated slurries reached 4.2 production was promoted provided substrate still available, weaker volatile fatty acids avoided, resulting lower CH4 emissions. In conclusion, could replace reduce