Abstract:A moving bed bioreactor (MBBR) pilot study was carried out to optimize design criteria and to evaluate four treatment strategies to design and operate the MBBR process to suppress nitrification while maintaining reliable carbonaceous BOD (CBOD) removal. The treatment objectives were to reliably control effluent NOx-N and soluble CBOD to less than 10 mg/L. The treatment strategies included: adjusting media loading rates, DO control, step-feeding of the process, and providing an internal recycle back to a switch… Show more
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