Rendering facility case study

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Courtesy of BioprocessH2O

The Problem: The Rendering Facility had experienced a catastrophic failure of an RBC system due a rotating assembly bearing and shaft failure. As a result, the existing lagoons became overloaded with ammonia from the anaerobic digestion process.

The Solution: BioprocessH2O was selected to provide a bioFAS Moving Bed Biofilm Reactor (MBBR) System equipment package to retrofit and upgrade the existing RBC basins into a two‐stage bioFAS MBBR process for nitrification of ammonia. The first phase of the project involved an emergency response to retrofit the existing RBC basin within four weeks and have the system operational. Then in Phase 2, bioprocessH2O supplied the fully automated electrical control panel equipped with a PLC controller, VFD drives for the blowers and a set of automated control valves and dissolved oxygen (DO) sensors for an automated DO control system.

Status/Results: Within a period of 7 days, the bioFAS MBBR system was able to nitrify the ammonia for the removal of 120 lbs NHper day. Within a period of 14 days, the bioFAS MBBR system was able to nitrifying at a rate of 160 lbs NH4  per day. At a current flow rate of 43,500 GPD, the bioFAS MBBR System meets and/or exceeds all expectations of the nitrifying biological treatment process.

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