Abstract
Ozone is one of the most powerful oxidizing equipment, so it is effectively used to kill bacteria, viruses, and fungi. Many industrial processes use ozone because ozone can run without forming a by-product in water. Nevertheless, the utilization of ozone in Indonesia has not been applied maximally, due to the large cost of commercial ozonator equipment and operational life that is relatively short. In addition, many still do not comprehensively comprehend the ozonation process that is relatively very fast in the presence of ozone conditions that can only last a few minutes before parsing back into oxygen. In this study, the DBD (Dielectric Barrier Discharge) plasma reactor model with parallel plates for ozone generation at room temperature was developed. Furthermore, this study is more focused on conducting performance tests and optimizing ozone productivity in parallel spacer corona discharge chambers. This designated ozonator was treated as a plasma reactor to perform various tests with varying feed flow rates, input voltages, and gas feeds (compressed air and medical oxygen). After the productivity of the ozonators were tested with iodometric titration method, the ozonator’s productivity in generating ozone and its optimum operating condition were obtained. It can produce up to 0.82 g ozone/h with compressed air feed and 6.45 g ozone/h with medical oxygen feed.
Highlights
As a powerful oxidizing agent, ozone is very effectively used to kill bacteria, viruses and fungi in various pharmaceutical industries
Since the corona discharge method has the highest ozone productivity, it is used for this research with dielectric barrier discharges
The effect of input voltage on ozone production was tested with four variations of voltages in AC and DC current parallel plate plasma reactors, and three different compressed air flow rates
Summary
As a powerful oxidizing agent, ozone is very effectively used to kill bacteria, viruses and fungi in various pharmaceutical industries. Because ozone can be used and operated without forming a by-product in water, many chemical and manufacturing industries use ozone This can be effectively exploited because unreacted ozone gas can be turned back into oxygen, which is dissolved or aerated in water. Common methods used for ozone production are the corona discharge method, electrochemical methods, and ultraviolet radiation methods [3,4]. In this case, the method with the highest ozone productivity is the corona discharge method, which makes it the most widely used ozonator device on the market or as a commercial product. Since the corona discharge method has the highest ozone productivity, it is used for this research with dielectric barrier discharges
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