LCA of an Ecolabeled Notebook - GreenDeltaTC

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Goal and Scope 2.2 Scope 2.2.1 Functional Unit Object of analysis is one unit of an ASUSTeK UL50Ag notebook for office use. A portable computer fulfils many utilities so that it is very difficult to specify them all. Regarding the use of laptops in offices, some features are particularly important: � Light weight and comfortable size � Long battery life � Opportunities for data exchange as USB ports, DVD-ROM drive, or card reader � High performance and memory capacity � Reliability and stability � Modern design Based on these requirements the ASUS UL50Ag was chosen. The notebook has a 15.6’’display with LED backlight. It weighs 2.3kg and contains a 8 cell lithium-ion battery which has a battery life up to 12 hours. Integrated is an Intel® Core TM 2 Duo processor with 2*1.3 GHz, 4096 MB RAM, and 500 GB hard drive space. The computer provides 3 USB 2.0 ports, an optical DVD drive as well as a 5 in 1 card reader. Further, it provides W-LAN, Bluetooth, and a 0.3 mega pixel webcam. The relevant market segment is lightweight portable computers with a very long battery life, similar in size. The computers should be geared to be used in offices and have similar hardware specifications. Relevant product alternatives are netbooks, which are smaller than notebooks, usually with a 10’’ screen. Due to their size they are for one thing lighter than notebooks and for another thing they have a longer battery life. Netbooks are a relatively new product group which gains in popularity. One reason for this development is the low price compared to laptops. Because of the smaller screen they are less used as desktop computer replacement. 2.2.2 System Boundaries The analysed ASUS notebook is produced in China. In this case it is ordered in Brussels, Belgium via internet and delivered there. The computer is used in an office for 4 years. After the use phase the laptop is submitted to a collecting point. It is assumed that 20% of collected laptops are reused; therefore it is modelled that 20% of the notebook is transported for reuse to China and the remaining 80% are sent to a recycling site in Belgium. Further, it is assumed that the reuse phase takes 2 years. 31 The reused computer is recycled in China, because the laptop is out of reach for the take back system of ASUS which covers only Taiwan, Europe, North America, and India. 32 31 Own assumptions based on Matthews/Matthews (2003), Fraunhofer Institut (2008), Umweltbundesamt (2010) and Öko-Institut (2007) 32 http://csr.asus.com/english/index.aspx#53 26
Goal and Scope The supply chain of the ASUS UL50Ag looks as follows: The mainboard is produced by company x 33 in Shanghai, China. This enterprise is also responsible for the final assembly. The HDD stems from a Seagate site in Suzhou, China. The memory comes from the company Hynix. It is manufactured in Icheon, Korea. The display is produced by AU Optronics in Taiwan and assembled in China as well from AU Optronics. The battery cells are produced in South Korea; the assembly of the battery pack is conducted by Simplo Technologies in Changshu, China. The drive is produced by SEPHIL – a daughter company of Samsung Electronics in the Philippines. While the fan is manufactured in Wujiang, China by Delta Electronics, the power supply is manufactured in Dongguang, China, by Lite-On Technology (see table 1). Table 1: Companies in the upstream supply chain of the UL50Ag Component Company Site Mainboard confidential Shanghai, China HDD Seagate Suzhou, China Processor* # Intel unknown RAM Display Hynix Icheon, South Korea LCD panel AU Optronics Produced in Taiwan, assembled in China Bezel* confidential China Case* unknown unknown Keyboard* confidential China Touchpad* Battery pack ELan Microelectronics China Assembly Simplo Technology Inc. Changshu, China Plastics* unknown unknown Circuit board* unknown unknown Cells unknown Made in Korea Drive SEPHIL Calamba City, Philippines Fan Delta Electronics Inc. Wujiang, China Speakers* # unknown unknown Camera* # unknown unknown Graphic card* Intel unknown W-Lan card* AzureWave Shanghai, China Power supply Lite-On Technology Corp Dongguang, China *not considered in the S-LCA # not considered in the E-LCA 33 The company name is known, but was provided by ASUS under a non-disclosure agreement 27
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Conclusions and Outlook 8 Conclusio
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Glossary Glossary Activity variable
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References References Publications
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References Ciroth, A./Franze, J. (2
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References Gedda, R. (2009): Has AS
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References www.ituc-csi.org/IMG/pdf
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References Pegatron (2009): Pegatro
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References Steinitz, J. (2006): Chi
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References LBX.cc www.suzhou.lbx.cc
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References Suma contra Pascua Lama
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Annex Annex I: Criteria of the EU E
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Annex 172 � contain no metal inla
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Annex Subcategory Indicator Status
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Annex D8 Motherboard from Company X
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Annex B Electronic Devices/Modules
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Annex □ Solder, paste, Sn95.5Ag3.
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Annex □ Laptop computer, at plant
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LCA of an Ecolabeled Notebook - GreenDeltaTC

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