Alfa Laval introduces new large UV reactor to PureBallast 3 range

Written by Nick Blenkey
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1,500 cu.m. reactor size is optimized for 50% more flow than the current largest reactor size

SEPTEMBER 4, 2018 — Targeting tankers and other vessels with large ballast water flows, Alfa Laval is introducing a new UV reactor size to the Alfa Laval PureBallast 3 family of ballast water treatment systems. Optimized for 50% more flow than the current largest reactor size, the 1,500 cu.m/h reactor will join an existing PureBallast 3 range that comprises 170, 300, 600 and 1,000 cu.m/h reactor sizes. Alone or in combination, the reactors enable PureBallast 3 system flows of 32–3000 cu/m/h, with multiple systems handling even larger capacities.

With the introduction of the 1,500 cu.m/h reactor, PureBallast 3 systems will become even more optimized for large ballast water flows of 1,000 cu.m/h or more. A 3,000 cu.m/h system will be achieved with just two reactors, for example, while a 1,500 cu.m/h system will go from two reactors to one.

Having fewer reactors will reduce the complexity and cost of installing a large-flow ballast water treatment system. Alfa Laval says that as UV systems are already smaller and more cost-effective to install than electrochlorination systems, this may further shift the balance towards UV among tankers and other vessels with large ballast water flows.

“Many ship owners are reconsidering what they’ve been told about ballast water treatment for large flows,” says Anders Lindmark, Head of Alfa Laval PureBallast. “Heating needs, tanks for high-salinity water and the management of chemicals add size, complexity and cost for electrochlorination systems. PureBallast 3 is already highly competitive for large flows – and will be even more so with the 1,500 cu.m/h reactor.”

“With five reactor sizes, we can fine-tune PureBallast 3 systems for any flow range,” says Lindmark. “When it comes to ballast water treatment for large flows, the 1500 m3/h reactor doesn’t just strengthen our offering. It truly changes the equation for UV.”

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