HUBER Technology Wastewater Case Study at Buxton STW for Severn Trent Water

Project Profile

Buxton STW serves the town of Buxton and its surrounding areas, HUBER had been involved in the site since 2003 when a major upgrade was carried out the inlet works and a subsequent MBR plant was installed downstream.

Since this project HUBER had been regularly engaged to look at improving the effectiveness of the inlet works and screenings handling plant to improve the screenings removal to lessen the impact on the downstream equipment, there were challenges surrounding this due to the location of the existing screens and macerator setup.

As part of the AMP6 programme of works it was decided amongst other things that a new inlet works and screenings handling facility would be built to improve the screenings removal on an unused part of the site, the site is located in a narrow valley and space is limited. This lead to several challenges and involved a phased installation.
  

HUBER Technology Supplied:

• 2 x HUBER Belt Screen EscaMax® 6000x1152/6 60o 6mm perforated plate screens.
• 2 x HUBER Screenings Wash Press WAP® L 4 screenings handling plant
• 1 x HUBER Launder Trough
• 1 x Static Stone Trap
    

Objective

The primary objective was to provide new 6mm inlet screening to protect the downstream process from screenings and other debris and also provide screenings handling plant to wash and compact the removed screenings.
  

Solution

As we had been involved in various aspects of the site since the original upgrade in 2003 we had a lot of knowledge of the existing inlet works and the problems it suffered with. By early engagement with both Severn Trent Water and the successful contractor Mott Macdonald Bentley we were able to involved with the project from the outset.

Each screen supplied was required to handle a flow rate of 381 l/sec working on duty/duty basis with the subsequent screenings handling plant being able to handle 4m3/hr of screenings. A further challenge was the location of the screenings handling plant, this required in the region of 25 metres of launder trough to transport the screenings.

The new inlet screenings solution has been found to be very effective.
  

Product Profile

• HUBER EscaMax® Belt Screen – The EscaMax® complements the well-known HUBER program for municipal and industrial wastewater screening, as it is particularly well suited in situations where excellent separation efficiency is required in deep channels with high water levels. Featuring a low installation height above ground level even in deep channels, suitable for a very wide range of applications through innovative design
• HUBER Wash Press WAP® L - Screenings handling plant designed for any application, featuring a dewatering performance up to 45 % DS and a weight reduction up to 75 %, and like all HUBER products manufactured entirely from stainless steel
    

“Having been involved with this project since the original upgrade in 2003 it was great we were engaged early to deal with the complex challenges of building this inlet works and to keep the works running during the installation period. We are confident that the equipment supplied will provide the end user with a vast improved performance of the inlet works and downstream processes.”
Richard Willis-Area Manager