• Title/Summary/Keyword: Environmental-friendly material

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A Study on the Construction of GCM System (GCM 시스템 구축 방안에 관한 연구)

  • Lee, Doo-Yong;Lee, Chang-Ho
    • Journal of the Korea Safety Management & Science
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    • v.16 no.1
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    • pp.201-206
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    • 2014
  • GCM(Green Chain Management) is being spread by that companies which apply with eco-friendly concept in entire SCM(Supply Chain Management) perspective is being increased for resolving some recent environmental problems. There are reasons that numerous companies focus on GCM. At first various governments began to directly manage components and material contents about various noxious substances. Second, environment problem management in the entire logistics process from procurement of product materials to distribution of product became to be important according to introduction of certification system that evaluate the environmental impact throughout life-cycle of products. Purposes of this paper are 1) to analyze the GCM process whose important is more increasing in the recent logistics environment change, 2) to comprehend places and sources that generate environmental elements like energy consumption and greenhouse gas emissions in elements of logistics function, and 3) to construct integrated GCM system for observing activity of logistics function throughout life-cycle of products.

A Study on the Estimation Method of the Environmental Load Intensity for Analyzing GHG Reduction Effect of Han-Ok

  • Kim, Sunghee
    • Architectural research
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    • v.15 no.3
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    • pp.143-150
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    • 2013
  • The Korean government recently has rediscovered the potential value of Han-Ok, the Korean traditional house, as an eco-friendly building. In order to objectively verify the environmental performance of Han-Ok as a low carbon green building, this paper suggests the analysis method of GHG emission load of Korean traditional house, based on Life Cycle Assessment, which is commonly abbreviated to "LCA". The environmental impacts caused by building construction and operation can be analyzed through the sum of input and output data from every phase. The study particularly describes the GHG reduction effect by using traditional building materials such as wood products, traditional clay roof tiles, and mud, which are mainly used to construct Han-Ok. Also the study proposes the method for comparative analysis of quantity of GHG emissions in building's entire life cycle so that the data can be used as a reliable basis to optimize the environmental performance of building.

The study on the environmentally friendly recycling method of CFRP (환경성을 고려한 폐 복합재료(CFRP)의 재활용기법에 대한 연구)

  • Lee, Cheul-Kyu;Kim, Yong-Ki;Phirada, Pruitichaiwiboon;Kim, Jung-Suck;Ju, Chang-Sik
    • Proceedings of the KSR Conference
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    • 2008.11b
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    • pp.1803-1806
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    • 2008
  • Various efforts of reducing the green house gas in the whole industrial fields including railway industry have been implemented. Tilting train is the key example because it can run more faster on the existing rail than others due to its composite body. The system has an advantage of light weight but also a task to solve, recycling of composite material. To recycle the CFRP(Carbon Fiber Reinforced Plastic), there are two typical methods; chemical and thermal method. In this study, more environmentally friendly recycling method was recommended through the environmental function through comparing both recycling methods.

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Recent Trends of Coated Sheet Steels for Automotive use

  • Moon, Man-Been
    • Corrosion Science and Technology
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    • v.11 no.2
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    • pp.37-42
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    • 2012
  • Recent issues in the automotive industries are, improvement of fuel efficiency according to the worldwide $CO_2$ regulation, passenger safety through enhanced crashworthiness, superior design and cost reduction due to price fluctuation of raw material. To meet these demands, steelmaking companies are developing advanced high strength steel and new process technologies such as hydroforming, TWB(Tailor Welded Blank), hot stamping and so on. In addition, eco-friendly and high corrosion resistant coating technologies are getting more attention to comply with the environmental regulations. In this paper, reviews and prospects of recent coating technologies for automotive use are presented.

Analysis and Suggestion of Environment-friendly Interior Finishing Materials for Aged Apartment Remodeling (노후 공동주택 리모델링의 친환경 실내 마감재료 분석 및 제안)

  • Kim, Ki-Hyun;Kim, Kyung-Rai
    • Korean Journal of Construction Engineering and Management
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    • v.8 no.2
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    • pp.118-126
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    • 2007
  • Environmentally Sound and Sustainable Development (ESSD)" is a key word in recent years. The construction industry, have put a great influence on ergonomic and sustainable environment. Recently, "green building certifications", such as Indoor Air Quality (IAQ) and eco-friendly material regulation have been established. With this regard, new construction and aged-housing remodeling projects are required to meet these certification criteria. Apartment residents have great concern on eco-product, since many cases are reported that Sick Building Syndrome is caused by toxic substance from building materials. Aged-housing remodeling construction has a unique characteristic in that the residents are already determined prior to construction execution. Therefore, the analysis of resident's need for building materials in aged-housing remodeling is relatively easy compared to new building construction. As such, it is very important to analyze their preferences for eco-friendly materials prior to project execution. The purpose of this study is to find the needs of residents and priority of their needs. Based on their needs and priority, this paper provides a new strategy in using environment-friendly materials and maximizing their satisfaction level when aged housing remodeling is constructed. In addition, this paper provide new criteria in selecting new developed environmental materials in remodeling projects for the purpose of improving the safety and health level in construction industry.

Solidification of sludge by reactive amendment agent (반응성 고화제를 이용한 슬러지 고형화 방안)

  • Koh, Yong-Kook
    • Proceedings of the Korean Geotechical Society Conference
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    • 2004.03b
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    • pp.869-872
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    • 2004
  • A study on the solidification of sludge by reactive amendment agent was carried out in this paper. The reactive amendment agent used in this study is mainly composed of inorganic solidification agent and reactive adsorptive material. The reactive agent has a function of soil-cement-agent solidification and harmlessness of contaminant in waste. The reactive agent is environmentally friendly material to the surrounding environment. In this study, a series of tests and experiments including unconfined compressive strength, permeability, pH test, constituent analysis, leaching test were carried out to analyse engineering and environmental characteristics of solidified sludge treated reactive agent. The result of this research shows that the solidified sludge treated reactive agent is increased in strength and decreased in contaminant concentration.

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Technology of Electrical Barrier Material (전기차단성 소재 기술)

  • Shin, Eun-Mi
    • Elastomers and Composites
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    • v.46 no.1
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    • pp.22-28
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    • 2011
  • Various materials are used as electrical barrier materials, such as glass, insulating oil, gas, paper and polymer. These materials shut off electricity from conductor as a barrier and separate as well as support conductor from outside environment while using electrical equipment. Polymers are generally used for cable insulation material. Recently environmental regulation are reinforced and eco-friendly materials are in trend.

Urgency of LiFePO4 as cathode material for Li-ion batteries

  • Guo, Kelvii Wei
    • Advances in materials Research
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    • v.4 no.2
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    • pp.63-76
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    • 2015
  • The energy crisis involving depletion of fossil fuel resource is not the sole driving force for developing renewable energy technologies. Another driving force is the ever increasing concerns on the air quality of our planet, associated with the continuous and dramatic increase of the concentration of greenhouse gas (mainly carbon dioxide) emissions. The internal combustion engine is a major source of distributed $CO_2$ emissions caused by combustion of gasoline derived largely from fossil fuel. Another major source of $CO_2$ is the combustion of fossil fuels to produce electricity. New technologies for generating electricity from sources that do not emit $CO_2$, such as water, solar, wind, and nuclear, together with the advent of plug-in hybrid electric vehicles (PHEV) and even all-electric vehicles (EVs), offer the potential of alleviating our present problem. Therefore, the relevant technologies in $LiFePO_4$ as cathode material for Li-ion batteries suitable to the friendly environment are reviewed aim to provide the vital information about the growing field for energies to minimize the potential environmental risks.

The Properties of Concretes for Planting Vegetations Based on Porous Concretes (다공질 콘크리트를 이용한 식생용 콘크리트 특성 - 다공질 콘크리트의 물리화학적 특성을 중심으로 -)

  • Koo, Bon-Hak;Kim, Yong-Kyu
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.2 no.2
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    • pp.62-69
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    • 1999
  • This study was carried out to find out the capability of applying such materials as porous concrete, could be called environmentally friendly materials, for bringing vegetations. For verying the purpose of the experiments such materials as potland cement and slag cement, coarse aggravates(${\phi}25mm$, ${\phi}18mm$, ${\phi}13mm$) were mixed. In the voids of porous concrete peatmoss and chemical fertilizers were filled, and on the surface of concrete organic soils were adhered for seeding grasses. For testing compressive strength, pH, voids the 12($4mixed{\times}3times$) specimens were manufactured. As results, the compressive strength of porous concretes were from 59 to $267kg/cm^2$ depend on mixed ratios between cements and coarse aggregates. Voids of concrete were from 33% to 40% and the pH were varied pH 8-10.5. So the capability of planting vegetations was to be ascertained. The germination and growth of grasses were not good, but it could be found out that the capability of vegetations on the concretes. For generalizing these results and applying on the construction sites, it is necessary to verificate following studies for various conditions.

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