Biological Nutrient Removal System to Help Wastewater Plant Operations

The Hopewell Regional Wastewater Treatment Facility in Hopewell, Va. will be using a new system that combines a moving bed bioreactor with a dissolved air flotation systems to minimize the plant’s total nitrogen waste.

With a new system that combines a moving bed bioreactor (MBBR) with a dissolved air flotation (DAF) systems, the Hopewell Regional Wastewater Treatment Facility in Hopewell, Va. will be able to lower its total nitrogen (TN) waste load while also accomplishing compliance with local regulations.

The Hopewell Regional Wastewater Treatment Facility receives 80 percent of its wastewater from industry which contains toxins to ammonia oxidizing bacteria (AOBs) and nitrite oxidizing bacteria (NOBs), both of which are responsible for traditional nitrification/denitrification process of removing nitrogen from wastewater.

The new system was tested over a six-month period  before the treatment facility made the decision to have it installed. The project is now underway with a completion date set for 2016.

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