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Food Processing News
News Release from: Hanovia | Subject: Loch Fyne oysters
Edited by the Processingtalk Editorial
Team on 09 January 2008
Loch Fyne oysters chooses Hanovia UV
disinfection
Loch Fyne Oysters in Scotland has chosen two Hanovia medium pressure UV disinfection systems to treat depuration water on its oyster farm in Loch Fyne, at Cairndow in Scotland
The UV systems, which were installed by Barr and Wray, destroy harmful E.Coli bacteria from its oyster and mussel depuration tanks Each UV chamber treats up to 150m3 water per hour
This article was originally published on Processingtalk on 24 Feb 2003 at 8.00am (UK)
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According to a spokesperson from Loch Fyne Oysters, "The Hanovia units were recommended to us by Barr and Wray because of their 99.99% log reduction of E.Coli, their robust, stainless steel construction, their ease of installation and easy maintenance - including easy UV lamp replacement and daily cleaning with a manual wiper - and low running costs.
We also find the digital run-time read-out very useful, and the price was very competitive".
Hanovia UV systems can be used in farms and hatcheries to treat both incoming and recirculation water, allowing flexibility in the choice of site and a rapid payback for farmers.
UV is ideally suited for this application as it uses no chemicals and does not create by-products which would harm the stock, or other aquatic life, on discharge.
Unlike other treatment methods, UV also avoids the expense of complex monitoring systems involved in adding and removing chemicals before the water reaches the stock.
In addition, it does not alter the pH of the water.
Indeed, UV is the most economical disinfection technique that can be used in aquaculture.
Maintenance of the systems is restricted to the replacement of the UV lamps every 12 months, a simple operation that can be carried out by on-site staff.
An automatic or manual wiper can be fitted over the quartz sleeve which surrounds the UV lamp to prevent the build-up of any deposits, ensuring maximum levels of irradiation at all times.
A significant feature of the Hanovia systems is the photon control panel which displays a range of useful functions such as flow rate, UV dose and intensity.
It is capable of logging up to one year of performance data, which can be downloaded to a PC through an RS232 port.
Linked into a central computer, the control panel can also be operated remotely, and allows the system to operate around the clock.
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