A recent blower system retrofit at a wastewater treatment plan produced a noticeable uptick in energy efficiency resulting in significantly lower OPEX, explains gas compression expert AERZEN, which completed the work.
Operational efficiency and reliability should be priorities in wastewater treatment. In recent times, there has been a focus on boosting energy efficiency and reducing carbon footprint. This WWTP treats wastewater for over eight million people. The company was working with three energy-intensive competitor blowers that no longer met today‘s standards. This is the point where AERZEN was consulted.
Installing technology for more efficient aeration
For this replacement, detailed calculations predicted a potential energy saving. All three blower units were showing significant signs of wear. So, instead of an extensive and costly refurbishment, these old units were replaced with three new efficient AERZEN Turbo Blowers.
AERZEN consulted with the company Air Technology to determine the current load requirement. Calculations showed that the replacement would produce energy savings of over 20%.
AERZEN supplied three Turbo G5plus blowers (3 x AT150 0.8S DN250), a significant modernisation of the plant. They replaced the competitor’s aging blowers that were consuming a lot of energy.
While these works were going on, the client involved AERZEN Rental, who supplied the end user with two BVO 55000 skid-mounted assemblies.
The result: reduced CO2 emissions
AERZEN had a four-week lead time in the completion of the work. The space-saving installation of the new turbo technology from the G5plus series enables an efficiency gain of approximately 21% for the aeration of wastewater tanks which ultimately leads to savings in operating costs.
Noise emissions were significantly decreased compared to earlier ventilation systems.
This wastewater treatment facility can save over £21,000 by deploying the AERZEN Turbo G5plus blower. This calculation assumes an amortisation period of about three years.
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- Source: https://envirotecmagazine.com/2024/03/27/retrofit-boosts-energy-efficiency-at-wastewater-treatment-plant/
