Article | May 17, 2022

Nitrogen Removal At A Very Large Scale

Source: KLa Systems
MBR slot Injector System during Installation
As part of a wastewater system upgrade, the Slot Injector Systemâ„¢ will be installed in a multistage membrane bioreactor (MBR) similar to the above image.

Nitrogen removal standards are a pressing concern for meat and poultry processing plants. Historically, food processing plants discharging to public waterways or directly to publicly owned wastewater treatment plants have faced challenges in meeting effluent limitation guidelines (ELGs) for nutrient removal. That may soon become even tougher yet with the U.S. Environmental Protection Agency (EPA) announcing in September 2021 that it has completed a detailed study of the meat and poultry products category and will initiate new rulemaking to revise the existing discharge standards for the industry.

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