美國半導體相關製造業化學廢棄物管理方法之分析

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Title:	美國半導體相關製造業化學廢棄物管理方法之分析
Authors:	許智堯;Hsu,Chih-Yao
Contributors:	企業管理學系
Keywords:	半導體產業;廢棄物管理;群集分析;有毒物質排放
Date:	2015-07-21
Issue Date:	2015-09-23 11:14:08 (UTC+8)
Publisher:	國立中央大學
Abstract:	半導體產業是世界上最大的產業之一，由於目前半導體製造涉及許多複雜、精細的製程，且許多製程必須多次重複處理，於製造過程中，使用數百種有機化合物與無機化合物，且半導體產業使用大量溶劑並不以最經濟的方式進行處理，其廢溶劑在高溫下焚燒，昂貴的能源成本及焚燒的二次汙染物為一大問題且危害人類及環境生態。然而，隨著環境保護及永續發展的問題日趨重要，永續性逐漸成為半導體產業最關心的議題之一，但有關半導體產業於廢棄物管理方法之研究並不多見。因此本研究根據美國國家環境保護局的有毒物質排放清單資料，找出產業中較常出現之化學物質如氫氟酸、硝酸、硝酸鹽、阿摩尼亞、N-甲基吡咯酮、鹽酸、硫酸共七種化學物質，分析產生此類化學廢棄物的公司之廢棄物管理方法於2004年至2013年的變化趨勢，且將廢棄物管理方法資料運用群集分析加以收斂、分類，依美國國家環境保護局之準則，區分各半導體公司於此七種化學物質處理的年度表現。本研究結果將有助於了解半導體產業化學物質排放處理的趨勢，並找出相關的標竿公司，提供產業改進的參考。;Hundreds of high purity organic and inorganic compounds are involved in the complicated and delicate manufacturing of semiconductor. Because these waste solvents are incinerated at very high temperature, secondary pollutants from incineration are harmful to human life and environment. With the growing concerns on environmental protection and sustainable development, the issue of sustainability has become an important issue of the semiconductor industry. However, there are not many researches addressing how wastes in the semiconductor manufacturing are managed. Hence, this study aims to investigate how the semiconductor companies in the United States handle their waste management in their manufacturing processes. According to the EPA Toxics Release Inventory data, the frequently-used chemicals during the semiconductor production include Hydrogen Fluoride, Nitric Acid, Nitrate Compounds, Ammonia, N-Methyl-2-Pyrrolidone, Hydrochloric Acid and Sulfuric Acid. Cluster analysis was applied on the data of these chemicals to classify the approaches of waste management among the U.S. semiconductor companies. This study also ranked the waste management of the semiconductor companies based on the findings of the cluster analysis. The result of this study can assist us to understand the trends of chemical waste management in the semiconductor industry and identify the best-performing companies for the related companies to benchmark.
Appears in Collections:	[Graduate Institute of Business Administration] Electronic Thesis & Dissertation

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