Krones shakes up sterilization technology with new aseptic filler


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Related tags Hydrogen peroxide

Krones senior project engineer, Fabian Schneider, explains why the firm's Contiform AseptBloc aseptic filler launched at Drinktec 2013 breaks new ground - saving time, energy and media by sterilizing preforms rather than finished PET bottles.

"Due to the fact that here we sterilize the preform instead of the bottle, we can lightweight as much as each design allows. Therefore, there is a huge potential material saving using this machine,"​ Schneider, who is senior project engineer filling/aseptic technology filling and capping technology at Krones, tells Ben Bouckley.

"But there are other advantages as well. It's a completely dry machine so we're only using evaporated H20 (vaporized hydrogen peroxide or VHP as many people say in the branch) and sterile filtered heated air - so we are not using any water on that machine, it does not use any water during production,"​ he adds.

"There is no paracetic acid on such a line, and the machine has a very small footprint. It can also be operated by just one person - so it's a very flexible and economic machine,"​ Schneider explains to BeverageDaily.com in Munich.

Directly after the preforms are heated they are sent to the sterilie zone and treated with H2O2 (VHP); blow molding, filling and capping occur in a second sterile zone. This machine has an output of 32,000 bottles/hour, but Schneider tells us that Krones tailors installations to suit client preferences.

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