Anaerobic digestion is a collection of processes by which microorganisms break down biodegradable material in the absence of oxygen. The process is used for industrial or domestic purposes to manage waste and/or to produce fuels. As renewable energy demands increase and the economic programs are put in place to support renewable energy forms, the utilization of anaerobic waste treatment processes become a viable solution for the treatment of organic waste streams. Depending upon process selected, end market regulatory allowances and utilization capacity, resultant digestives from anaerobic processing may have to undergo further treatment in order to be accepted for reuse.
The technologies and processes employed by AIM for anaerobic digestion can be segregated into three main areas of technologies and two process types. The technologies employed can range from “wet” digestion, plug/flow digestion and high solids digestion, while the process types range from mesophilic to thermophilic. The anaerobic technology and supporting pre and post treatment technologies employed by AIM are generally dictated by the feedstock, form of desired energy ouput whether biomethane or electrical/thermal energy and the level of inherent contamination incorporated in the waste stream.
AIM, with its European based support partners, continually innovates as to the best approaches and technologies to be employed for each type of organic feedstock. Through continual innovation and research, AIM and its support partners can best determine the technologies and processes to be employed for each specific project. The knowledge base for each technology and process allows AIM to provide certainty for operational costs and markets for end products under its operational mandate.
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