| Summary: | 碩士 === 逢甲大學 === 工業工程與系統管理學研究所 === 99 === The category of water treatments includes industrial water, wastewater treatment, rainwater, river water into a household water treatment, and so on. The processes and equipment in water treatment often involve multiple stages of procedures, depending on level of requirements needed to be addressed, such as reverse of osmosis water (RO), deletion of ion water (DI), or ultra-pure of water. Many water treatment equipment manufacturers produce various types of products containing carbon filter because the carbon filter in water treatment processes plays an important role. However, the manufacturers who choose to use activated carbon grades often do not know how to match the product with the right choice of performance. This might result in high lead levels with lower profits, or failure to pass tests due to the use of low lead level, or too high product testing cost, or even time delay to market.
In this study, the problem of how to determine level of activated carbon particle types is explored, as long as the requirements to meet the inspection standards to ensure product safety. Application of Taguchi method along with chlorine reduction test (CNS14933) experimental designs presents to identify the activated carbon level, deal with traffic and use of weights among three control factors. Data Envelopment Analysis (DEA) and Group Method of Data Handling (GMDH) are then used to explore the satisfactory combination. Results from this study can provide better design of filters for selecting the best level when using activated carbon and help companies understand the cost-effective product development and life. Also the developed approach can help companies apply product certification. The presented relationships can also help water treatment equipment manufacturers verify if the actual product planning relationship is correct.
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