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Home Physics Ozone sterilizer with ultrasonic cavitation

Ozone sterilizer with ultrasonic cavitation

Description

The problem of sterilization, especially low temperature one, is rather actual. Common methods of liquid and gas cold sterilization on the base of highly toxic chlorides, ethylene oxide, formaldehyde is dealt with long-term sterilization (4-6 hours), difficulties of reagents utilization, high cost and so on. Recently ultrasonic washing is frequently used for disinfection and sterilization. However, the necessity of chemical dopes using essentially increases the cost of the process.

A number of effective ozone generators, using barrier glow discharge, were created at IPP NSC KIPT. On the base of such generators ozone sterilizer with ultrasonic cavitations was developed. The proposed technological process allows carrying out the sterilization in a water, saturated with high concentration of ozone, under the influence of ultrasonic cavitations. High ozone concentration in the water (up to 15 mg/liter) is necessary for effective and total sterilization of samples and achieved with decreasing the water temperature down the level of 10-150С.

Parameters of ozone sterilizer:

  • Working gas ––––––––––––––––––– dry air;
  • Working gas flow ––––––––––––––– 1 liter/min;
  • Ozone concentration –––––––––––– 30 mg/liter;
  • Ozone concentration in a water ––– up to 15 mg/liter;
  • Electric power ––––––––––––––––– < 300 W.

Innovative Aspect and Main Advantages

Innovative solutions of proposed technology are consisting in combination of ozone with ultrasonic cavitations and utilization of specially developed systems – high efficient ozone generator, thermoelectric module and corrosion resistant electromagnetic pump.

Ozone sterilizer with ultrasonic cavitations has the following advantages:

  • Being the method of cold cleaning, disinfection and sterilization, it may be used for objects rather sensitive to the standard methods of high temperature sterilization;
  • It allows to clean from the microbiological contaminations both outer and inner surfaces of objects;
  • It reduce the cost of the sterilization process;
  • The sterilization cycle time is reduced (total inactivation time of spore-forming bacterium’s Bacillus Series is of an order 20 min);
  • Ozone, used as an oxidant, is easy converted into oxygen by the ending the sterilization process;
  • Minimization of the power consumption for the sterilization process;
  • It can be used for production of gaseous ozone and ozonized water;

Areas of Application

Marketing research for proposed technological process and preliminary tests of sterilizer for disinfection and sterilization have shown that such ozone sterilizers with ultrasonic cavitations will find a market in the following fields:

  • Medicine;
  • Biotechnology.
  • Food industry;
  • Pharmaceutical industry;
  • Veterinary medicine;
  • Biotechnology


Fig. 1 Ozone sterilizer with ultrasonic cavitations


Fig. 2 Ozonizers

Stage of Development

The pilot sample of sterilizer was manufactured. The experiments on inactivation of different types of bacteria were carried out. It is planned to output the party of such equipment and to carry out the clinical trials. The ozone generators of different power (from 5 to 300 W) were developed for readjustment, disinfection and sterilization. Ozonizers developed on the base of recent investigations both ventilator type (Fig. 2 a, b, c) and compressor type (Fig. 2 d, e) allow to carry out air readjustment indoors as well as disinfection and sterilization of both indoors and instruments.

The technology and equipment are covered by the patents of Russia

  • "Method of receipt of ozone and highly productive ozonizer" #2000107677;
  • “Stream high-frequency ozonizer” #2259939.

Contact Details

Valerij S. Taran
Organization: Institute of Plasma Physics NSC KIPT
Address: 61108, Akademicheskaya St.1, Kharkov, Ukraine
38 057 335 65 73
Fax: 38 057 335 26 64
This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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