INDUSTRY NEWS
The difference is that a nominal filter has broader manufacturing tolerances, so enabling greater variations in effective porosity.
Due to the often rapidly changing conditions of inlet seawater it is difficult to obtain definitive comparison testing when running different filters back-to-back as run times vary even with identical sets of cartridges.
To address this issue, the test programme involved challenging three different specification filters with the same quality sea water and biological exposure. They were the 5-micron anti-algal SupaSpun KilBac, the 5-micron antibacterial SupaSpun KilBac and the 5-micron untreated standard SupaSpun II filter. Parallel test housings were installed downstream of multi- media beds at the offshore facility, delivering prefiltered sea water at the sulphate reduction stage.
The main criteria for success were demonstrating decreased blocking, robust membrane protection and the potential for increased service life. The results showed the KilBac filters exhibited half the differential pressure of the standard filters.
The antialgal KilBac also had 39% higher dirt holding capacity than standard SupaSpun while for the antibacterial KilBac, the difference was even higher – a 125% increase in dirt holding.
Neil said: “If biofouling is allowed to occur on prefilters this can break through and foul the membranes resulting in downtime and the expense of cleaning and regenerating.
“Our test results provide compelling evidence that the use of KilBac variant filters in seawater filtration systems can reduce the requirement for changeouts,
Marine Tech Firm Achieves Made In Britain Status
Valeport, a global leader in underwater measuring equipment, has achieved the internationally recognised Made In Britain accreditation for its range of innovative marine solutions that are developed, designed and manufactured at its UK headquarters in Totnes, Devon.
The independent, family-owned business, which employs more than 90 people from state-of-the art facilities on the River Dart, designs and supplies precision sensors and probes to a worldwide customer base that includes: environmental, energy, construction, dredging, engineering, scientific research and military sectors.
The Made In Britain accolade is part of an initiative to support and promote British manufacturing. Valeport will now use the Made in Britain registered mark of quality on their products, the mark is recognised as the ultimate stamp of British provenance and seen as an international seal of excellence domestically and worldwide.
Matt Quartley, Valeport Managing Director commented: “The Made In Britain status promotes our passion for British manufacturing, our commitment to quality and maintaining production here in the UK. We also believe it highlights the quality of our products and expertise gained from over 50 years of British manufacturing expertise.”
Valeport retains all aspects of developing and manufacturing processes in-
house, an approach which means they have total control over every stage of the manufacturing process and can guarantee the quality and consistency of their products. The company’s riverside premises house all the facilities for designing, CNC machining, environmental testing, assembly, calibration and servicing for all Valeport products. With a global network of 72 distributors in over 54 countries, Valeport exports almost 80% of its outputs.
Valeport joins a select group of manufacturers who are permitted to use the Made In Britain status and coveted quality mark.
May 2021
www.sosmagazine.biz 9
more than double the service life of cartridges at the prefiltration stage and keep processes operational at times of increased challenge of organic materials due to localised algae blooms.
“The combination of reduced downtime, the avoidance of costly clean-in-place cycles and the reassurance of more effective throughput means oil and gas producers can expect to see substantial cost savings on their filter spend thanks to KilBac technology.”
q +44 (0) 1276 670600 E
sales@amazonfilters.co.uk H
www.amazonfilters.co.uk
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