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Amiad’s AMF² pre-treatment technology ensures efficient and reliable nanofiltration of Scottish Highland loch water

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Courtesy of Amiad Filtration Systems Ltd.

In this feature article we report on the effectiveness of Amiad’s AMF² automatic self cleaning filter technology as a pre-treatment for membrane systems. We focus on high and variable suspended solids and colour removal applications where potable quality water is required from nanofiltration (NF) systems. We show how the AMF² units provide
effective pre-filtration of Scottish Highland loch water and examine how the technology operates, and how it can be integrated into an overall membrane-based solution. We include details on a project installed at Scottish Water’s Mallaig Water Treatment Works (WTW), UK, in 2001, and evaluate the effectiveness of the AMF² units operating on-site. We draw on Scottish Water’s operational experiences since the commissioning of their NF plant.

Technical Expertise
Over the last 40 years Amiad Filtration Systems Limited has developed a range of compact automatic and manual self-cleaning filters incorporating innovative technology characterised by low operating cost and short capital payback. In addition to membrane pre-filtration protection, Amiad’s automatic AMF² units are typically installed in drinking water applications (where they can protect against Cryptosporidium), effluent treatment processes, recirculationwater
filtration systems, cooling tower main and side-stream filtration applications, and off-shore water injection projects.

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