A global ingredients group in Ireland installed a new 20ft containerised tertiary treatment system at its largest liquid dairy plant, as part of the site’s ongoing wastewater compliance and to improve capacity to their existing wastewater treatment system. The containerised system was supplied by Enva and incorporated two of Amiad’s innovative DVF (Double Vortex Filters) high efficiency media filters. Enva is Amiad Water Systems sole distributor in Ireland.
The existing wastewater treatment plant consisted of the following steps:
The existing system was struggling to cope with the loading placed on the WWTP and in particular the final effluent TSS (Total Suspended Solids) was very close to the site’s discharge limit of 30 mg/l TSS. The group was looking for a cost-effective upgrade to the WWTP which would ensure continued compliance with the site’s discharge consent.
The existing site had limited space for any new system and as such it needed a solution which could fit into the available. It was essential that the site maintain its production throughout the project and since the access route around the WWTP was in constant use, the installation needed to be undertaken within a short time period.
The group decided that it wanted to ensure the longevity of its existing assets by upgrading the secondary clarifier and adding further capacity through the introduction of a tertiary treatment system. This system needed to be able to handle a maximum of 80 mg/l from the existing WWTP and ensure that it met the discharge limit of 30 mg/l. Read More
Given the space restrictions and need for an efficient installation, it was decided that the best solution would be to provide two of Amiad’s DVF 900 filters pre-installed in a 20ft container, complete with associated backwash pumps and control panel.
Amiad supplied two DVF 900 high efficiency media filters which were containerized by Enva, Amiad’s distributor for Ireland. The integration of the project was undertaken by Cantwell Electrical Engineering Ltd.
The tertiary treatment system was sized to provide 30 m3/h and configured to run duty/standby with each DVF 900 vessel capable of treating the 30 m3/h from the secondary clarifier. Read More
Following the installation of the system, the customer undertook a performance test to ensure the filter system was delivering its expected performance. During this test the system was receiving wastewater of 80 mg/l at a flow rate of 30 m3/h and the final effluent quality was below the 30 mg/l target.
As a result of the tertiary wastewater DVF filter system, the site has been able to continue operating without running the risk of failing to meet the discharge requirements. The system has now been in operation for 18 months.
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Amiad Waste Services global filtration project examples:
Large Southern Electric Generating Plant, USA
Flue Gas Desulfurization Make-up Water Strainers
Cooling Tower Sidestream Filter, USA
Filtration of cooling tower sidestream to prevent heat exchanger fouling
Milwaukee Art Museum, War Memorial, USA
Zebra mussel protection of intake structure for chiller water line and new heat exchanger system
Dominica Island Project
Integrated treatment system for drinking water
Storm Water Recovery System – Western Australia
Amiad commission the first ever Storm Water Recovery system in Western Australia incorporating Aquifer recharge
Lockheed Martin UF/RO Water Treatment Plants
Bore Water to Process & Potable Water, Australia
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