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Bolsover STW Phosphorus Removal

Project Description

The FilterClear installation at Bolsover forms part of the national CIP program, to ascertain the feasibility and real costs associated with achieving low (0.5 mg/L) to ultralow (0.1 mg/L) total phosphorus consents. The project has entailed us working closely with the main contractor Eric Wright, consultant Arup and Yorkshire Water to build a chemical dosing and tertiary treatment plant with the target of 0.1 mg/L TP. As part of the ongoing optimisation the plant operated with first point dosing only and achieved TP concentrations around 0.2 mg/L. The trial is in its early stages and initial results both with and without second point dosing are very encouraging. The FilterClear skid was fully assembled and tested off-site in our fabricator’s works in Chesterfield, including the HMI software by MCS. Following the FAT the skid was transported to site, installed on a flat slab in February and commissioned by 31st March.

Project Name:Bolsover STW
Client:Yorkshire Water
Capacity:58 L/s: 10,000 P/E
Main Contractor:Eric Wright Group UK
Project Scope:Design, supply
& commission

Project Highlights

  • Off-site manufacture
  • Ultra-low TP
  • Rapid installation and commissioning

Scope of Works

BwB supplied one of its proprietary triplex FC 3v1840 FilterClear skid and associated control system, and provided design, commissioning and training services. The main contractor, Eric Wright, built a concrete slab and provided associated connecting pipework and power supply cabling for the installation of the FilterClear skid.

Project Duration

Installation time 1 week
Commissioning time 3 weeks

Client Contact

Client organisation: Yorkshire Water

Contact person: Rob Hoyle (Project Manager)
Contact info: +44 (0)7790 615 595

Bolsover STW Process Parameters

Average flow192 m3/h
FFT5010 m3/d
58 L/s
Design Influent TSS conc.*27 mg/L ave
57 mg/L 95%ile
Influent TP concentration13 mg/L 95%ile
Effluent TSS1-2 mg/L
Effluent TP target0.1 mg/L
Effluent Fe target0.5 mg/L
* An additional 10 mg/L was added for chemical solids
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