文章基本信息

标题：DESIGN OF DISINFECTANT MANUFACTURING SYSTEM WITH AUTOMATIC CONCENTRATION CONTROL
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作者：WON-KEE HONG ; KYUNG-AE CHA
期刊名称：Journal of Theoretical and Applied Information Technology
印刷版ISSN：1992-8645
电子版ISSN：1817-3195
出版年度：2018
卷号：96
期号：6
出版社：Journal of Theoretical and Applied
摘要：HACCP (Hazard Analysis and Critical Control Point) is a systematic preventive approach that has been first developed for astronaut food safety in the 1960s. Recognized as an effective tool to suppress food poisoning broken out by pathogens, toxins and chemicals, it has been adopted by many countries. Preventive procedures based on HACCP processes are becoming increasingly important since food poisoning accidents at large meal service stations, which can infect a large number of people at once, are not decreasing each year. The chemical disinfection is a common method to remove pathogens and the chlorine solution is mainly used. Since chlorine can harm not only the bacteria but also the human body, the concentration of the chlorine solution should be suitably adjusted. In addition, the disinfectant solution must be prepared immediately so that the disinfection process is carried out on the spot. Therefore, the chlorine solution should be able to accurately measure in a short time. The disinfectant management system proposed in this paper is a device that can prevent the contamination of tableware and food materials by manufacturing disinfectant of exact concentration and measuring its concentration in real time. The proposed system detects the inflection points of the ORP and pH changed by applying the reducing agent to the disinfectant and measures the concentration. Experimental results show that the average measurement accuracy is 97.42% and the measurement elapsed time is 97.9 seconds.
关键词：Measurement system; Disinfectant; Chlorine Concentration; ORP; pH