Articles & Case Studies

Holkham Estate Mark 10 Years of Low Cost, Odour-free, No Sludge, Sustainable Wastewater Treatment

Posted: Monday 29th June 2015

The Accel-o-Fac® wastewater treatment plant serves the Victoria Inn and village at Holkham in Norfolk and has been treating sewage since the spring of 2006 with almost no significant ongoing operating costs.

The Holkham Estate, owned by the Earl of Leicester, includes the Victoria Inn, which is very popular with tourists visiting this part of the country. Previously, the village had been served by septic tanks requiring regular emptying. The Estate had a choice of either sending the sewage to the nearby water company's treatment works via pipeline, remain on septic tanks or treat their own wastewater. The appeal of the unique Accel-o-Fac® solution was low energy, no sludge or odour, and effluent water of a quality appropriate for either discharge or potential irrigation reuse on the Estate.

SIMPLE, LOW MAINTENANCE OPERATION

After careful consideration of options, the Estate elected to use the Accel-o-Fac® windpowered system to keep ongoing operating and total lifetime expenses (TOTEX) at a minimum. The plant also includes a simple Septic Reception Station to accommodate septic tanks from the Estate. All septage and solids are transferred to the new Accel-o-Fac® primary cell for treatment and digestion of the sludge. The system is simple, odour free and inexpensive to operate.

One of the key benefits of the system for Holkham was the need for very little operator attention. There has been almost nothing for an operator to do at the plant this last decade short of mowing the grass in the summer. Equipment maintenance includes inspections every 3-4 months. Not much else is required, making the operator's job truly part time!

Stephen Twyford from the Estate’s Land & Property Department commented, "The installation of the Accel-o-Fac sewage treatment system at Holkham in 2006 enforced our ethos of becoming an environmentally sustainable Estate and Community. The system continues to provide a low cost and low maintenance solution to wastewater treatment for Holkham Village with additional capacity for any needed future increase."

Mr Twyford went on to say, "The fact that there is no associated sewage odours meant that the system could be located relatively near to the village, and, after 10 years of use, no sludge removal has been needed."

WATER RE-USE POSSIBILITIES

There was another advantage to this option. By providing a superior, more stabilised effluent, the Accel-o-Fac® system provides irrigation quality water at an extraordinarily low cost.

The Holkham system underscores the sustainability of Gurney Environmental treatment systems for the UK and other markets. Elimination of sludge lorries, zero-to-low energy usage, little manpower required, few mechanicals involved — all spells a time-tested, environmentally conscious and sustainable method for treatment of wastewater.




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