IDEA #3RG509 Ozone Sterilizer With Ultrasonic Cavitation

OZONE STERILIZER WITH ULTRASONIC CAVITATION APPLIED RESEARCH • PLASMAPHYSICS AND TECHNOLOGY Description The problem of sterilization, especially low temperature one, is rather actual. Common methods of liquid and gas cold sterili(cid:2) zation on the base of highly toxic chlorides, ethylene oxide, formaldehyde is dealt with long(cid:2)term sterilization (4(cid:2)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 dis(cid:2) charge, were created at IPP NSC KIPT. On the base of such generators ozone sterilizer with ultrasonic cavitations was developed. The proposed technological process allows carry(cid:2) ing out the sterilization in a water, saturated with high concen(cid:2) tration 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(cid:2)15 0С. 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 utiliza(cid:2) tion of specially developed systems – high efficient ozone gen(cid:2) erator, thermoelectric module and corrosion resistant electro(cid:2) magnetic pump. Ozone sterilizer with ultrasonic cavitations has the following advantages: • Being the method of cold cleaning, disinfection and sterili(cid:2) zation, it may be used for objects rather sensitive to the stan(cid:2) dard 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(cid:2)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 ooff Application Marketing research for proposed technological process and preliminary tests of sterilizer for disinfection and sterilization have shown that such ozone sterilizers with ultrasonic cavita(cid:2) tions will find a market in the following fields: • Medicine; • Biotechnology. • Food industry; • Pharmaceutical industry; • Veterinary medicine; • Biotechnology Stage ooff Development The pilot sample of sterilizer was manufactured. The experi(cid:2) ments on inactivation of different types of bacteria were car(cid:2) ried out. It is planned to output the party of such equipment and to carry out the clinical trials. The ozone generators of dif(cid:2) ferent power (from 5 to 300 W) were developed for readjust(cid:2) ment, 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(cid:2)frequency ozonizer” #2259939. Fig.1. Ozone sterilizer with ultrasonic cavitations Fig. 2. Ozonizers Contact Details Contact person: Valerij S. Taran, Institute of Plasma Physics NSC KIPT, 61108, Akademicheskaya St.1, Kharkov, Ukraine. Phone: 38 057 335 65 73, Fax: 38 057 335 26 64. E(cid:2)mail: vtaran@ipp.kharkov.ua TINNOVATIVETECHNOLOGY OPPORTUNITIES FROM THE STCU 43