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Customer Trials

Lontra collaborated with Severn Trent Water to trial the Blade Compressor®.

Severn Trent Water validated the Blade Compressor’s® performance and reliability against existing machines. This took place in a real time production environment at Worcester Wastewater Treatment Works.

Mark Jones, STW’s then Wastewater R&D Manager, said:

“To make the test as representative as possible, only the existing blower and motor were replaced. The Lontra Blade Compressor® fitted into an existing enclosure, running from an existing variable speed drive. This ensured that only the gains in the blower technology were captured. And and not those from optimising the supporting systems and drives”

In addition, the conventional blower used to compare against the Blade Compressor® was replaced just six months before the trial commenced. This also ensured that Lontra’s solution was not being tested against an ageing or worn alternative.

Results

The demonstration showed the Blade Compressor® to drive down energy costs by 20 percent. This confirms the compressor’s ability to provide step-change energy savings.

STW’s chief executive Tony Wray commented on this remarkable achievement in his presentation of preliminary results to the City in May 2013.

“If the Lontra Blade Compressor® were to be rolled out across all of STW’s wastewater treatment works, the company would save more than £1.8 million a year in electricity cost, with a commensurate reduction in the company’s overall carbon emissions of three per cent.”

Finally, Sulzer have the licence to sell this technology to the Municipal and Regulated Wastewater market and have a successful and growing installed base of machines.

Further technical details are available on request – please email info@lontra.co.uk