Sep 14, 2018
Although there has been a significant reduction in the amount of Phosphorus discharged to rivers from Wastewater Treatment Works in recent years (from 21,000 tonnes in 1995 to 8,000 tonnes in 2015), Phosphorus remains the main cause of water quality failures with the primary source still being wastewater discharges. Consequently, it is expected, due to the requirements of the Water Framework Directive, that over 700 Wastewater Treatment Works will require Phosphorus removal during AMP7.
This has included, what was then, the largest ever installation at Deephams Wastewater Treatment Works (Thames Water) in 2014, treating up to 4,200 l/s, and the world’s first large-scale two-stage application at Cirencester Wastewater Treatment Works (Thames Water) in 2016 as part of the Chemical Investigation Programme trials.
This trial clearly demonstrated the capabilities of the Mecana process as, with ferric salt dosing, it proved able to achieve <0.1 mg/l Total Phosphorus discharge continuously and reliably. No other process in these nationwide trials proved capable of emulating this achievement.
Severn Trent Water realised the benefits of this technology and have committed heavily to it during AMP6 with some eleven projects deploying the Mecana process, one of these being at Goscote Wastewater Treatment Works, serving Walsall in the West Midlands.
This site requires a significant upgrading due to the imposition of a stringent new ammonia consent, a 0.2 mg/l Total Phosphorus consent (the lowest in the Severn Trent Water region during AMP6), and a tight iron consent of 2.5 mg/l.
A key part of this success is the adoption of a two-stage Mecana installation with iron salt dosing, which when commissioned in early 2019, will be the largest such application in the world, treating 719 l/s; Eliquo Hydrok are providing and installing the four flocculation tanks, six SF21/105 Mecana units and all the associated pipework.
Eliquo Hydrok have worked closely with the main contractor, Mott MacDonald Bentley, and Severn Trent Water throughout the project to ensure the project delivers high quality effluent at the right price.
Sep 21, 2018
Plastic Pipes XIX is launching a mobile conference app for registered delegates. Event organizers believe that the mobile app called Attendify will enhance communication between their 400 expected attendees. Their forthcoming event will take place in Las Vegas, Nevada USA, ...
Sep 20, 2018
In late July the moment has come: tunnel boring machine "SUSE" (Ø 10,820 mm) has completely excavated the western tube of the Filder Tunnel. Now, in a specially built cavern, the approximately 120 meter long Multi-mode TBM from Herrenknecht is ...
Sep 19, 2018
Organizers of Plastic Pipes XIX announce that INFORMED INFRASTRUCTURE is a Media Sponsor of the forthcoming conference and exhibition that will take place in Las Vegas, Nevada USA, at the Red Rock Resort on September 24 – 26, 2018.
Sep 18, 2018
The Supervisory Board of the global REHAU Group announces that William Christensen was appointed the new CEO of REHAU.
Sep 17, 2018
New machine boosts productivity and power, maximizes visibility and comfort.
Sep 13, 2018
Purus Nitrate removes soluble nitrite and nitrate from industrial stormwater runoff, protecting waterways from these pollutants and helping industrial customers meet mandatory environmental benchmarks.
Sep 12, 2018
Introductory guide helps wastewater operators understand the benefits of geospatial data in the wastewater industry.
Sep 11, 2018
Three winning startups from 160 applicants selected to reimagine water solutions for tomorrow’s megacities
Sep 10, 2018
Fluence Corporation Limited is pleased to announce the first commercial sale in the USA of its Aspiral™ Smart Packaged Wastewater Treatment Plant, based on Fluence’s innovative Membrane Aerated Biofilm Reactor (MABR) technology.
Sep 07, 2018
Tokyo`s drain and sewer network has an extend of about 15,000 km. More than 3,000 sinkholes appear per annum. The aging of the network requires new approaches for operation & maintenance and rehabilitation of network.
Sep 06, 2018
A strong conference message will be delivered at Plastic Pipes XIX by technical experts from North America and around the world who will call for significant investment in plastic as the pipe material of choice. Organizers of the event also ...
Sep 05, 2018
In July, City Rail Link (CRL) started excavating the 14-metre-deep trench that will contain the project’s twin rail tunnels under Britomart Station and Lower Queen Street in downtown Auckland.