Fundamentals of the static granular bed reactor

Advanced Treatment technologies for Poultry Slaughterhouse Wastewater

“…After reactor acclimation and microbial maturation, the PSW introduced into the reactor is broken down into soluble compounds in a process called Hydrolysis [8], [14]. Subsequently, these compounds are transformed by the fermentative bacteria resulting in alcohol, and unstable volatile acids in Acidogenesis [12], [15]. Following Acidogenesis, in Acetogenesis, the volatile acids break, due to instability, to form acetate, carbon dioxide and hydrogen [8], [14].…”

“…From this configuration, the gas-liquid-solid separation stage is unnecessary [18], [19] as the produced biogas bubbles to the top while the gravity acts on the water [18] and present solids and particulates which, overtime, compact on the bed and may lead to reactor clogging [8]. The SGBR has been proven to produce a higher quality effluent than that of the up-flow reactor with COD removal greater than 90% [15].…”