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Water purification group consider greener ambitions

By Neil Merrett , 23-Nov-2007

A manufacturer of hydro-optic disinfection (HOD) technologies designed for water purification says it may soon move to extend its operations towards more sustainable use of waste liquids.

While currently working towards improved water quality, Israel-based Atlantium told FoodProductionDaily.com that its products could be modified for more environmentally friendly uses like supply sustainability and energy creation in a few years.



The claims come as food and beverage manufacturers are being put under increasing pressure by both legislators and consumers to ensure their products are made cost efficiently, while also not to the detriment of the environment. Processors are therefore beginning to adapt their operations accordingly.



Atlantium's vice president for marketing, Ron Eyal said at this year's Brau Beviale show that while Atlantium was not presently working towards green aims, the company's water purification technology could potentially be adapted for these purposes.



Though unable to set out a timeline, Eyal said that the developments could go ahead within the next few years.



Atlantium says that its HOD technology has already reduced electricity, chlorine and labour costs related to water purification, and the group may therefore concentrate on further processing benefits.



"We are not having to invent the wheel every time for innovation," Eyal said from the group's stand at the annual beverage industry show held in Nuremburg, Germany last week.



He referred in particular to further development of the group's existing technologies such as the post Granular Activated Carbon (GAC) disinfection solution as an area for growth.



The company claims that the system can allow food and beverage manufacturers to ensure consistent purity in their water, while reducing the downtime and maintenance costs required for frequent cleaning in place (CIP).



Presently, GAC is an increasingly important process of ensuring water supplies are meeting safety regulations over water sourcing, according to Atlantium.



The group claims that the highly porous carbon is effective at removing ozone, chlorine and other dissolved solutes from water, although is prone to forming bio-film that can later contaminate supply without frequent maintenance.



Steaming has been traditionally used to reduce this danger, though the process is unable to fully eliminate the microbes responsible for bio-film formation to sufficiently prevent repaid regeneration, the company says.



However, Atlantium claims that its HOD system can exceed the five log level of disinfection, meaning that only 1 of every 100,000 microbes remains in the supply after treatment, reducing the rate of regeneration.



The system primarily uses a homogenous uniform distribution of ultra violet (UV) light to offer an unprecedented level of micro-organism inactivation in the water supply, the company says.



Atlantium's HOD system has been designed to include a large quartz tube that effectively traps stray UV light reflecting it towards the mid-section of the unit to create "total internal reflection", which replicates the function of fiber-optic cables.



The technology can be used throughout food and beverage production for many uses including pasteurization and protecting aquaculture.

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