Geothermal Energy Annual Report 2004

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Geothermal Energy Annual Report 2004 ( geothermal-energy-annual-report-2004 )

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III. NATIONAL ACTIVITIES JAPAN 13.6 Research Activities Research and Development activities are conducted under the leadership of NEDO and National Institute of Advanced Industrial Science and Technology (AIST). In April 2001, the Geological survey of Japan (GSJ), the Agency of Industrial Science and Technology (AIST) and the National Institute for Resources and Environment (NIRE) were consolidated into AIST as a single organization. In 2004, the only investigation being pursued was a comprehensive evaluation for the development project of Hot Dry Rock Power Generation System. NEDO is conducting some international cooperative projects, one of which is a “study of methods for utilizing acidic geothermal fluids”. In this study, which operates from December 2002 to March 2004, a neutralization method is being investigated. The use of acidic geothermal fluids is usually avoided because it causes corrosion problems. In Costa Rica, acidic fluids have been used after neutralization for power generation since 2000, but scaling problems were occurring in the production wells and surface equipment. The optimal conditions for neutralization will be determined from the results of this study, based on data collected for scaling rates, corrosion rates and other monitoring results under certain conditions. 13.7 GeothermalEducation Japan has made a great contribution to extend technical assistance in the field of geothermal energy to developing countries through the group-training course at Kyushu University and the geothermal projects in developing countries provided by the Japan International Cooperation Agency. An International Group Training Course on Geothermal Energy was started in the Earth Resources Engineering Department of Kyushu University for development of alternative energy resources at the request from United Nations (UNESCO) and JICA (OTCA) in 1970. From 1970 to 2001 when the course ended, a total of 393 specialists from 37 countries have participated to the group training courses on geothermal energy and environmental sciences held in Kyushu University. A new geothermal course was initiated at Kyushu University on October 2002 following the end of the JICA course. It is a doctoral programme in the Graduate School of Engineering entitled: "International Special Course on Environmental Systems Engineering" (http://www.c-shop.net/kyushu/). Twenty students are admitted per year into the Graduate school of Engineering, ten of which are awarded with a MEXT (Ministry of Education, Culture, Sports, Science and Technology) Scholarship. Participants in this new course study under five advanced departments of Kyushu University Graduate School of Engineering: Earth Resources Engineering, Civil and Structural Engineering, Urban and Environmental Engineering, Applied Quantum Physics and Nuclear Engineering, and Maritime Engineering. Due to the international nature of this course, the language used for all education and other activities is English. 13.8 International Cooperative Activities The Japan International Cooperation Agency (JICA) has been in charge of the geothermal development activities for developing counties since 1973. From 2001 to 2005, one of the development projects being conducted is at the Yangbajain field located in Tibet, China. IEA Geothermal R&T Annual Report 2004.doc 85

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