Abstract
AbstractCold atmospheric pressure plasma is an emerging nonthermal processing technology for the decontamination of foodborne pathogens. This study presents a comparative evaluation of the energy efficiency of the decontamination by three different dielectric barrier discharge (DBD) setups operating in air against Feline calicivirus with a UV‐C lamp. Significant enhancement of the energy efficiency was achieved with a lab‐scale batch reactor prototype, which employed surface DBD, leading to similar energy per unit area requirements as that for UV‐C. A key advantage of plasma over UV‐based disinfection systems is that plasmas are not limited by shadowing effects. Nonetheless, unlike UV‐C, the virucidal efficacy of plasma is significantly reduced for dry samples and remote plasma treatment is only effective against wet samples.
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