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  • 學位論文

半連續式電解水機專用型自由氯感測系統之研究

Development of Free Active Chlorine Sensing System for Semi-Continuous Electrolyzed Water Generating Unit

指導教授 : 方煒

摘要


本研究旨在探討學長開發之泛用型自由氯感測器是否對於不同電解液會有不同的感測結果,並且開發一套適用於半連續式電解水機之自由氯感測系統,以利於使用者瞭解所使用電解水之自由氯濃度。 本研究探討三種不同電解液對於自由氯感測之電流響應的不同,第一種電解液為使用次氯酸鈉與0.1M NaCl不經電解而調配出來,第二種為電解0.1M KCl,第三種為電解0.1M NaCl。 本研究成功開發一套半連續式電解水機專用型自由氯感測系統,此系統可因應使用之電解質 (KCl或NaCl),即時監測電解水之自由氯濃度。系統監測包括溫度,酸鹼度及自由氯三個子系統。溫度系統用以校正酸鹼值,酸鹼值系統用以校正自由氯濃度。此設備之自由氯量測範圍為 20~300 mg/L,酸鹼值之適用範圍為7~10,可選擇濃度為50 ppm及200 ppm。目前已將本系統安裝至半連續式電解水機上,而電解水機目前安裝於本校生農學院完全人工光型植物工廠內。

並列摘要


This study is investigate if a generic free available chlorine (FAC) monitoring system developed by the seniors have different sensing results with different electrolytes or not, and developing a free available chlorine sensing system for suitable semi-continuous electrolyzed water generating unit to help users understand the free chlorine concentration of the electrolyzed water In this study we investigate the different of current response between three different electrolyte in sensing free available chlorine, the first electrolyte is concocted by sodium hypochlorite and 0.1M NaCl without electrolysis ,the second electrolyte is 0.1M KCl, a the third electrolyte is 0.1M NaCl. This research has developed a free chlorine sensing system for semi-continuous electrolyzed water generating, which the user can choose a different electrolyte (KCl or NaCl), can be used to real-time monitoring the concentration of free chlorine of electrolyzed water. There are three subsystems in this sensing system, including temperature, pH and free available chlorine. PH is regulated by temperature, the concentration of free chlorine is regulated by pH. This system achieved to detect FAC concentration of 20 ~ 300 mg/L in the pH range from 7 to 10.You can choose a concentration of 50 ppm and 200 ppm. Currently the system has been installed in the semi-continuous electrolyzed water generating unit. The system is now installed in the plant factory with artificial light only located in our University.

參考文獻


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