A non-incineration method for sterilizing hospital infectious wastes has been studied and realized. A small apparatus operating at 2.45 GHz and at a power of 3 kW was designed to optimize power transfer from the electromagnetic field to the infectious materials, which have been previously shredded and moisture-corrected. The high pressure reached in the reactor, 7 atm, was enough to ensure complete sterilization in just a few minutes for a batch of several hundred grams of waste. Sterilization efficacy during microwave irradiation was also optimized with a new procedure using thermal, microbiological and water vapour sensors in a single test.
Non-Incineration Microwave Assisted Sterilization of Medical Waste / Veronesi, Paolo; Leonelli, Cristina; U., Moscato; A., Cappi; O., Figurelli. - In: JOURNAL OF MICROWAVE POWER AND ELECTROMAGNETIC ENERGY. - ISSN 0832-7823. - ELETTRONICO. - 40:4(2007), pp. 211-218. [10.1080/08327823.2005.11688546]
Non-Incineration Microwave Assisted Sterilization of Medical Waste
VERONESI, Paolo;LEONELLI, Cristina;
2007
Abstract
A non-incineration method for sterilizing hospital infectious wastes has been studied and realized. A small apparatus operating at 2.45 GHz and at a power of 3 kW was designed to optimize power transfer from the electromagnetic field to the infectious materials, which have been previously shredded and moisture-corrected. The high pressure reached in the reactor, 7 atm, was enough to ensure complete sterilization in just a few minutes for a batch of several hundred grams of waste. Sterilization efficacy during microwave irradiation was also optimized with a new procedure using thermal, microbiological and water vapour sensors in a single test.
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