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The paper discusses the potentialities of the plasmo-ozonocatalytic system of microcontaminants (MC) removal from space orangery atmosphere. Atmosphere contaminated by vapours of MC was vented through a purifier consisted of a plasmochemical, ozonocatalytic and chemosorbed units. It was shown the process of decomposition of contaminants is connected with formation of the strong oxidizing and unequilibrium medium. Kinetic mechanism of plasmochemical decomposition of MC is discussed within the framework of radical mechanism. The paper describes a construction and results of the examination of the new filter for contaminants removal from orangery atmosphere. It was shown a broad potentialities of the filter for using it in the orangery gas recycle system.

The paper discusses the potentialities of the plasmo-ozonocatalytic (POC) system for removal of microcontaminants (MC). Atmosphere contaminated by vapours of ethylene, ammonia and halon C2F4Br2 was vented through a plasmo-catalytic unit. It was shown that process of plasmo-chemical decomposition of ethylene was connected with formation of formaldehyde. It was found that achieved degree of removal ethylene was 70%, ammonia - 99% and C2F4Br2 - 92%.