• Title/Summary/Keyword: Process Life Cycle

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Applying a Life-Cycle Assessment to the Ultra Pure Water Process of Semiconductor Manufacturing

  • Tien, Shiaw-Wen;Chung, Yi-Chan;Tsai, Chih-Hung;Yang, Yung-Kuang;Wu, Min-Chi
    • International Journal of Quality Innovation
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    • v.6 no.3
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    • pp.173-189
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    • 2005
  • A life-cycle assessment (LCA) is based on the attention given to the environmental protection and concerning the possible impact while producing, making, and consuming products. It includes all environmental concerns and the potential impact of a product's life cycle from raw material procurement, manufacturing, usage, and disposal (that is, from cradle to grave). This study assesses the environmental impact of the ultra pure water process of semiconductor manufacturing by a life-cycle assessment in order to point out the heavy environmental impact process for industry when attempting a balanced point between production and environmental protection. The main purpose of this research is studying the development and application of this technology by setting the ultra pure water of semiconductor manufacturing as a target. We evaluate the environmental impact of the Precoat filter process and the Cation/Anion (C/A) filter process of an ultra pure water manufacturing process. The difference is filter material used produces different water quality and waste material, and has a significant, different environmental influence. Finally, we calculate the cost by engineering economics so as to analyze deeply the minimized environmental impact and suitable process that can be accepted by industry. The structure of this study is mainly combined with a life-cycle assessment by implementing analysis software, using SimaPro as a tool. We clearly understand the environmental impact of ultra pure water of semiconductor used and provide a promotion alternative to the heavy environmental impact items by calculating the environmental impact during a life cycle. At the same time, we specify the cost of reducing the environmental impact by a life-cycle cost analysis.

A Study on the Calculation Process of Carbon Dioxide Emission for Buildings with Life Cycle Assessment (건축물 생애과정에서의 이산화탄소 배출량 계산 프로세스에 관한 연구)

  • Jeong, Young-Sun;Huh, Jung-Ho
    • Journal of the Korean Solar Energy Society
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    • v.31 no.1
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    • pp.23-30
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    • 2011
  • International cooperation to reduce greenhouse gas emissions is expected to provide a big crisis and a great opportunity at the same time for our industry that heavily consumes energy. To cope actively with the international environmental regulation, such as the Framework Convention on Climate Change, quantitative measurement of the volume of greenhouse gases emitted by various industries and quantitative prediction of the greenhouse gas emissions of the future are becoming more important than anything else at the national level. This study aims to propose the calculation process of carbon dioxide($CO_2$) emission for building in life cycle. This paper describes and compares 9 different tool for environmental load estimation with LCA. This study proposed the calculation process for quantitatively predicting and assessing $CO_2$ emissions during the life cycle of buildings based on the life cycle assessment(LCA). The life cycle steps of buildings were divided into the design/supervision, new construction, repair, renovation, use of operating energy in buildings, maintenance, and reconstruction stage in the life cycle inventory analysis and the method of assessing the environmental load in each stage was proposed.

Life cycle Health Promotion Programs using Traditional Korean Medicine (HaPPs-TKM) and Activation Plan

  • Jo, Jae Kyung;Park, Sunju
    • Journal of Society of Preventive Korean Medicine
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    • v.24 no.3
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    • pp.57-67
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    • 2020
  • Background : The Life cycle Health Promotion Programs using Traditional Korean Medicine (the Life cycle HaPPs-TKM) are the on-going 3rd stage projects that have centered on the development and dissemination of the standard life cycle HaPPs-TKM in the local community. The purpose of the study was to introduce the development background of the standard life cycle HaPPs-TKM and to suggest its activation plan. Methods : Academic and government research reports on the life cycle HaPPs-TKM were analyzed to introduce the development process, development backgrounds and the details of KM-HPP for each life cycle, such as infants and toddlers, adolescents, pregnant women, adults and the elderly. Results : We reviewed the development process of the standard life cycle HaPP-TKM consisted of a series of diagnosis on community members' health problems, establishment of project purpose, research on the involvement of KM intervention in a project, and final development of the project model. And we rediscovered that in the development backgrounds of KM-HPP, there were beneficial goals to manage and promote public health conditions for each life cycle. Conclusion : To activate life cycle HaPPs-TKM, we would recommend that activation plan should include six factors through systematic analysis of research reports. These factors consist of diversified goals for each life-cycle, competency reinforcement of local project manager, diversified Korean Medicinal modalities to enhance Sasang Constitution and Qigong, development of standard Outcome Index, periodical holding of performance contest, and improved guidance of government and associated entities through whole process of HaPP-TKM.

Process Life Cycle Assessment with Modified Allocating Method in PCB Producing Factory

  • Haepyo Chun;Kim, Young-Suk;Han, Sung-Ho;Han, Myung-Keun;Lee, Hong-Kee
    • Proceedings of the IEEK Conference
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    • 2001.10a
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    • pp.301-306
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    • 2001
  • Applying life cycle assessment in PCB (printed circuit board) production, most of environmental impacts come from outside-factory-process due to power generation, especially, and other raw material productions. Relatively, small environmental impacts of inside-factory-process make it difficult to compare them. To overcome this problem allocating environmental impacts of outside-factory-process on inside-factory-process. It helps to identify the environmental impacts of each process and find sources of environmental impacts. Also, life cycle assessment shows reduction of environmental impacts after copper recycling process.

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Life Cycle Assessment on the End-of-Life Vehicle Treatment System in Korea (국내 폐자동차 처리시스템에 대한 전과정평가)

  • Hong, Seok-Jin;Jeong, Kee-Mo;Hong, John-Hee;Yun, Ju-Ho;Hur, Tak
    • Transactions of the Korean Society of Automotive Engineers
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    • v.13 no.6
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    • pp.105-112
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    • 2005
  • This study aims at evaluating the environmental impacts stemmed from the End-of-Life Vehicle(ELV) treatment systems in Korea, using Life Cycle Assessment(LCA) method. In this study, both environmental burden from the ELV dismantling process & recycling processes and environmental benefit which were derived from the avoided environmental impacts by substituting recycled materials for virgin materials were considered. First of all, the key issues which were defined as the environmental aspects that account for more than $1\%$ out of the total environmental impacts were identified from the Life Cycle Impact Assessment(LCIA). $CO_2$, crude oil, natural gas, coal, etc. were found out to be the key issue parameters. From the LCI Analysis and LCIA studies, it was shown that the significant environmental aspects were related with the recycling process of ferro scrap, the shredding process of compressed car bodies and the dismantling process of end-of-life engines. In particular, the recycling process of ferro scrap has the most significant effects on the environmental impacts of the ELV treatment systems. Based on these results, it is recommended to improve the recycling process of ferro scrap in order to make the ELV treatment systems more environmentally sound.

A study on the Life Cycle Model to effectively conduct the National Railway R&D Project (국가철도연구개발프로젝트의 효과적인 수행을 위한 생명주기모델 개발에 관한 연구)

  • Choi, Yo Chul;Lee, Jae Chon
    • Journal of the Korean Society of Systems Engineering
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    • v.4 no.1
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    • pp.11-18
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    • 2008
  • As a government agency or the Government-donated Research Institute or industrial research institute is intended to develop a product or to construct a system such as a railway safety systems by research and development process, a life cycle model leading a product development or a research and development is essential to them to systematically and effectively progress it. In this paper, the refined life cycle model to effectively conduct the national railway safety project consists of the life cycle phases and their detail descriptions with reference to other life cycle model in the international standard and the other national guidance and other industrial domain such as ship-building, weapon system, and aerospace areas, the proposed life cycle model in the paper considerably reflects the characteristics of the traditional research and development project in railway safety domain. A guidance of a life cycle model which based on lots of the life cycle model in other domains proposes additionally.

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A Study on the Knee Point of Low-cycle Fatigue Life in High Formability Titanium Alloy SP-700 (티탄계 초소성합금 SP-700의 저사이클 피로수명곡선의 절곡현상에 대하여)

  • ;淸水 眞佐男
    • Transactions of the Korean Society of Automotive Engineers
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    • v.5 no.1
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    • pp.129-135
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    • 1997
  • Previous studies has shown that the curve of low-cycle fatigue life was not expressed with the single line subjected to Manson-Coffin's law type and bent to short life in low ${\Delta}{\varepsilon}_p$ region. The main cause of this phenomenon has been considered that the localization of plastic strain in the crack initiation process fosters the crack initiation. In this study, the low-cycle fatigue life was investigated for each specimens omitted crack initiation process and it was found that fatigue life curve in log(${\Delta}{\varepsilon}_p$)-log($N_f$)was bent in low ${\Delta}{\varepsilon}_p$ region as ever. Therefore, the main cause of appearance of knee point in fatigue life curve is not found in the crack initiation process but in the crack propagation process. In the crack propagation process, the localization of the plastic strain in the vicinity of crack tip and the influence of test environment on the crack propagation rate were observed and these inclinations were more remarkable in low ${\Delta}{\varepsilon}_p$ region. Hence, it was concluded that these two phenomena in the crack propagation process were proved to the main cause which accelerates the crack propagation in low ${\Delta}{\varepsilon}_p$ region and bent the fatigue life curve in result.

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Quality Control of the Educational Contents based on Life Cycle (생명주기 기반 교육용 콘텐츠 질 관리)

  • Lim, Jae-Hyun;Kim, Chi-Su
    • Journal of The Korean Association of Information Education
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    • v.11 no.4
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    • pp.483-495
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    • 2007
  • In this paper, to establish a way controlling educational contents, range of contents for quality control are offered. And a life-cycle suitable for present circumstance has defined and successive quality control process has suggested supporting development and use of the contents through analyzing the life cycle of its software and previous contents. A life cycle is defined as whole process from formation of contents to its extinction. The developing process includes stages of planning, designing, manufacturing, and the applying process includes evaluation, circulation and management. Suitable quality control guidelines for each process have established and offered. Aim of this paper is also to develop a model which is applicable to developers as well as supporters who help the developing process.

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Analysis of Production Process Improvement with Life Cycle Assessment $Technology{\sim}$ Example of HDPE Pipe Manufacturing

  • Tien, Shiaw-Wen;Chiu, Chung-Ching;Chung, Yi-Chan;Tsai, Chih-Hung;Chang, Chin-Fa
    • International Journal of Quality Innovation
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    • v.8 no.2
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    • pp.32-56
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    • 2007
  • Life Cycle Assessment (LCA) aims to analyze possible impact upon manufacturing process and availability of products, and also study the environmental considerations and potential influence during entire life cycle ranging from procurement, production and utilization to treatment (namely, from cradle to tomb). Based on high-density polyethylene (HDPE) pipe manufacturing of company A, this case study would involve evaluation of environmental influence during the production process. When the manufacturing process has been improved during "production process" and "forming cooling" stage, it is found that capital input on "electric power" and "water supply" could be reduced, thus helping to sharpen the competitive power of company A, and also ensure sustainable economic and industrial development in accordance with national policies on environmental protection.

A Life Cycle-Based Performance-Centric Business Process Management Framework For Continuous Process Improvement (지속적 프로세스 개선을 위한 성과 중심의 생애 주기 기반 비즈니스 프로세스 관리 프레임워크)

  • Han, Kwan Hee
    • The Journal of the Korea Contents Association
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    • v.17 no.7
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    • pp.44-55
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    • 2017
  • Many enterprises have recently been pursuing process innovation or improvement to attain their performance goal. To comprehensively support business process execution, the concept of business process management (BPM) has been widely adopted. A life cycle of BPM is composed of process diagnosis, (re)design, and enactment. For aligning with enterprise strategies, all BPM activities must be closely related to performance metrics because the metrics are the drivers and evaluators of business process operations. The objective of this paper is to propose a life cycle-based BPM framework integrated with the process-based performance measurement model, in which business processes are systematically interrelated with key performance indicators (KPIs) during an entire BPM life cycle. By using the proposed BPM framework, company practitioners involved in process innovation projects can easily and efficiently find the most influencing processes upon enterprise performance in the process diagnosis phase, evaluate the performance of newly designed process in the process (re)design phase, monitor the KPIs of new business process, and adjust business process activities in the process execution phase through the BPM life cycle.