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Remote Plasma Sterilization of Environment

#3788


The Remote Plasmachemical Sterilization of Environment Objects. The Energy Transport and Activation Mechanisms

Tech Area / Field

  • PHY-PLS/Plasma Physics/Physics
  • ENV-RED/Remediation and Decontamination/Environment

Status
3 Approved without Funding

Registration date
02.07.2007

Leading Institute
Russian Academy of Sciences / Semenov Institute of Chemical Physics, Russia, Moscow

Supporting institutes

  • Research Institute of Aviation Systems, Russia, Moscow

Collaborators

  • Universität Wuppertal, Germany, Wuppertal\nEindhoven University of Technology, The Netherlands, Eindhoven\nGraz University of Technology / Institute of Physical and Theoretical Chemistry, Austria, Graz

Project summary

The development of plasma technologies, which were accomplished in the Russian aviation industry for simulating of atmospheric electrodynamic phenomena, has led to the creation of unique atmospheric erosive plasma generator (AEPG). The device is portable and sufficiently powerful, which works in the air under normal atmospheric pressure from standard power sources. In comparison with existent beam sterilizers (like cyclotrons are) it doesn’t require bulky radiation protection, it is inexpensive, it is pollution-free and it can be used in steady-state and field conditions. The possibility of application of AEPG with an ecological view hasn’t been systematically considered yet. In the present project it is proposed for the first time. The Project is aimed at the development of the new technology of physical-chemical remote sterilization of the environment by the method of atmospheric impact hydrocarbon plasmoid. The project plan provides for:
  1. The study of the dependence of the AEPG remote environment activation effectiveness on material of capillary discharge channel, on electrodes, and on the design of a discharge chamber for aqueous solutions which are contaminated by hydrocarbons and microbiological fractions. The search for a method to increase endurance and the energy of generator.
  2. The construction of the physical-chemical process kinetic scheme with participation of electron-excited hydrocarbon nanostructures in the close to plasmoid region and the investigation of their influence on the excitation energy transport.
  3. The theoretical justification and the experimental proof of mechanisms of initial plasmoid energy transport in the atmospheric conditions, of energy transfer through the wall of container with the contaminated object, and its influence on hydrocarbon and microbiological fractions
  4. The definition of optimal discharge parameters, which provide working stability of plasmoid with specified energy characteristics and the high effectiveness of decontamination. The creation and the test of a working AEPG model for effective sterilization of selected contaminated solutions that take into account the obtained experimental and theoretical results.

The expected results:
  • the experimental data and the theoretical estimation of the influence of the technological and design features of AEPG on general radiation quantities of the plasmoid (i.e. pulse width, current and voltage amplitudes, IR-radiation power, etc.), which are responsible for its sterilizing characteristics;
  • the mathematical models, which describe the physical-chemical processes of plasmoid energy transport in the atmosphere including energy transfer through the wall of a container with the contaminated solution;
  • the calculated and the experimental data on parameters of impact erosion discharge, which provides the stability of plasmoid sterilizing factors;
  • the calculated and the experimental data on the enhancement of efficiency of the remote heterogeneity activation using the pre-production model of AEPG, which would be created with taking into account the results obtained in the Project.

During the Project execution the great experience of the specialists from Federal Research Center “State Scientific Research Institute for Aviation Systems” and Semenov Institute of Chemical Physics on the low-temperature plasma physics will be used.


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