Anaerobic digesting apparatus

PURPOSE: An anaerobic digesting apparatus is provided to stably digest wastewater by efficiently treating organic wastewater of high concentration based on microorganisms and facilitating deintercalation process and a scum treating process. CONSTITUTION: An anaerobic digesting apparatus includes a digesting bath. The digesting bath is composed of a sewage and wastewater stirring part, a filtering medium receiving part, and an overflown water collecting part. The digesting apparatus includes a rotary shaft, a sewage and wastewater bath(50), a first joint, a second joint, and a mixing member, and a filtering medium washing member. The first joint is for the introduction of sewage and wastewater. The second joint is for the introduction of gas. The overflown water collecting part includes a weir(13-1), an outlet(13-2), and a scum eliminating member.