Vapovac the latest technology for H2O2 gas sterilisation of pharmaceutical freeze dryers from GEA Lyophil, has recently achieved approval from the US Food and Drugs Administration (FDA). The system is ideally suited to pharmaceutical applications that require sterile conditions without the stresses and high power usage associated with steam sterilisation techniques. With Vapovac, GEA Lyophil has developed a less expensive option using H2O2 that is faster, safer, more efficient and easier on the environment than steam. The technology is available both for new plants and as a retrofit for existing installations.
The Vapovac steriliser uses hydrogen peroxide to sterilise equipment under vacuum in a three-stage process: drying, sterilisation and aeration. Only a very small quantity of hydrogen peroxide is used to penetrate the freeze dryer vessels and all associated piping of the equipment. This method effectively elimi-nates all residual contamination.
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