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Printer Friendly VersionSelected Information - Completed Research

CP195  Sustainable Technology for Small Wastewater Works Wastewater Treatment
Tighter discharge standards from Wastewater Treatment Works (WWTWs) are being placed on small works (<2,000 PE) which discharge into sensitive watercourses. Recent research shows achieving these stricter standards with conventional solutions leads to more complex plants and increased operating costs (OPEX).

These complex solutions may not be appropriate for unmanned, possibly un-powered WWTWs serving rural populations. More complex technologies will increase maintenance / monitoring requirements, risks of environmental damage (eg. chemical spills) and community Health &Safety issues.

This project will therefore evaluate existing sustainable technology employed in other sectors for the upgrading of small WWTWs. Possible technologies include energy efficient, non-chemical and solar / wind / water driven processes. The research will combine WRc's process knowledge with the alternative engineering know-how of the Centre of Alternative Technology (CAT) to examine sustainable and practical solutions.

Benefits to Clients

There is a huge financial burden associated with upgrading small WWTWs to achieve tighter consent standards. By assessing and introducing proven sustainable technologies, Utilities can provide the required effluent quality without increasing OPEX and risk.

WRc's Portfolio Programme
Summary of the £1.5 million per annum research programme

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