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MATSUBAE Kazuyo
Associate Professor
Department of Metallurgy
Graduate School of Engineering
Tohoku University

Last Updated : 11, July., 2014.


Name:

MATSUBAE Kazuyo
(Family name Given name)

Affiliation:

Advanced Materials Physical Chemistry
Department of Metallurgy
Graduate School of Engineering
Tohoku University
6-6-11-1004, Aoba, Aramaki, Aoba-ku, Sendai City, Miyagi, 980-8579, Japan

пF+81-22-795-7305
E-mailmatsubae AT m.tohoku.ac.jp (replace AT with @)

Education:

B.A., School of Political Science and Economics, Waseda University (Mar. 1998).
M.A., Graduate School of Economics, Waseda University (Mar. 2000).

Dr. Econ., Graduate School of Economics, Waseda University (Feb. 2006).

Employment:

Part-time lecturer, Tokyo Gakugei University (Apr.-Sep.2003)
Research associate,Graduate School of Environmental Studies, Tohoku University (Feb. 2004-Mar.2007)
Assistant professor,Graduate School of Environmental Studies, Tohoku University (Apr.2007-Sep.2008)
Associate professor,Graduate School of Environmental Studies, Tohoku University (Oct.2008-Mar.2011)
Associate professor,Graduate School of Engineering, Tohoku University (Apr.2011-Present)
Part-time lecturer, School of Political Science and Economics, Waseda University (Apr.2010-Mar.2013)
Part-time lecturer, Iwate Prefectural University (Apr.2009-Present)

Research Interest:

Applied Econometrics
Economics of Waste Disposal and Management
Intermediate area of Dynamic Input Output analysis and Material flow analysis
Environmental assessment of Landfill mining activity
Environmental assessment on ferrous material recycling concerning contamination of impurities elements.
Material flow of Phosphorus

Publications:

“Towards the efficient recycling of alloying elements from End of Life Vehicle steel scrap” Resources, Conservation and Recycling, (2015) (Hajime Ohno, Kazuyo Matsubae, Kenichi Nakajima, Yasushi Kondo, Shinichiro Nakamura, Tetsuya Nagasaka)[Accepted]

“Phosphorus Flows in the Asian Region” Global Environmental Research, Vol.19(2015)No.1 (Elizabeth WEBECK, Kazuyo MATSUBAE,Kenichi Nakajima, Keisuke Nansai, Tetsuya NAGASAKA)[In press]

“Weight of Land Use for Phosphorus Fertilizer Production in Japan in Terms of Total Material Requirement” Global Environmental Research, Vol.19(2015)No.1 (Eiji YAMASUE, Kazuyo MATSUBAE and Keiichi N. ISHIHARA)[In press]

“Phosphorus requirements for the changing diets of China, India and Japan” Environmental Economics and Policy Studies, (2014)
(DOI 10.1007/s10018-014-0088-8)(Elizabeth WEBECK, Kazuyo MATSUBAE,Tetsuya NAGASAKA)

“Thermodynamic Analysis for the Refining Ability of Salt Flux for Aluminum Recycling” Materials, 7(8), 5543-5553,(2014) (doi:10.3390/ma7085543) (Takehito Hiraki, Takahiro Miki, Kenichi Nakajima, Kazuyo Matsubae, Shinichiro Nakamura, and Tetsuya Nagasaka)

“MaTrace: Tracing the fate of materials over time and across products in open-loop recycling” Environmental Science & Technology, 2014, 48 (13), pp 7207-7214, (http://dx.doi.org/10.1021/es500820h) (Nakamura, Shinichiro; Kondo, Yasushi; Kagawa, Shigemi; Matsubae, Kazuyo; Nakajima, Kenichi; Nagaska, Tetsuya)

“Forecasting Replacement Demand of Durable Goods and the Induced Secondary Material Flows: A Case Study of Automobiles” Journal of Industrial Ecology, Accepted (2014)(Shigemei Kagawa, Shinichiro Nakamura, Yasushi Kondo, Kazuyo Matsubae, and Tetsuya Nagasaka)

“Analysis of Phosphorus Dependency in Asia” SOCIOTECHNICA, 11(2014)119-126(Elizabeth WEBECK, Kazuyo MATSUBAE, Kenichi NAKAJIMA, Keisuke NANSAI, Tetsuya NAGASAKA)

“Unintentional Flow of Alloying Elements in Steel during Recycling of End-of-Life Vehicles” Journal of Industrial Ecology,18(2014) 2, pp.242-253 (H.Ohno, K.Matsubae, K. Nakajima, S.Nakamura, and T.Nagasaka)

“Using Total Material Requirement to Evaluate the Potential for Recyclability of Phosphorous in Steelmaking Dephosphorization Slag” Journal of Industrial Ecology, 17(5), 722-730,(2013) (E. Yamasue, K.Matsubae, K. Nakajima,S. Hashimoto, and T.Nagasaka)

“Simultaneous MFA of nickel, chromium and molybdenum used in alloy steel by means of input-output analysis” Environmental Science & Technology, 47, 4653-4660, 2013, DOI: 10.1021/es3043559is (K.Nakajima, H.Ohno, Y.Kondo, K.Matsubae, O.Takeda, T.Miki, S.Nakamura, and T.Nagasakaa)

“Thermodynamic analysis of separation of alloying elements in recycling of end-of-life titanium products” Separation and Purification Technology, Volume 89, 2012, pp.135-141.(X. Lu, T. Hiraki, K. Nakajima, O. Takeda, K. Matsuabe, H.-M. Zhu, S. Nakamura, and T.Nagasaka)

“Dissolution Behavior of Selenium from Coal Fly Ash Particles for the Development of an Acid-Washing Process” Chemosphere, Volume 85, Issue 4, 2011, pp.598-602.(S.Kashiwakura, H.Ohno, Y.Kumagai, H.Kubo, K.Matsubae, and T.Nagasaka)

“Substance Flow Analysis of Zinc Cycle and Current Status of Electric Arc Furnace Dust Management for Zinc Recovery in Taiwan” Resources, Conservation and Recycling, (2011),pp.- (H-W. Ma, K. Matsubae, K.Nakajima, M-S.Tsai, K-H.Shao, P-C.Chen, C-H.Lee and T. Nagasaka)[Accepted]

“Identifying the Substance Flow of Metals Embedded in Japanese International Trade by use of WIO-MFA model” ISIJ International, (2011),pp.- (Kenichi Nakajima,Keisuke Nansai,Kazuyo Matsubae,Yasushi Kondo, Shigemi Kagawa, Rokuta Inaba, Shinichiro Nakamura, and Tetsuya Nagasaka)[Accepted]

“Virtual Phosphorus Ore Requirement of Japanese Economy” Chemosphere, 84(2011)6,pp.767-772 (Kazuyo Matsubae, Jun Kajiyama, Takehito Hiraki, and Tetsuya Nagasaka)

“Thermodynamic Criteria for the Removal of Impurities from End-of-Life Magnesium Alloys by Evaporation and Flux Treatment” Science and Technology of Advanced Materials, Vol.12(2011) (doi:10.1088/1468-6996/12/3/035003) (pp.-) (Takehito Hiraki, Osamu Takeda, Kenichi Nakajima, Kazuyo Matsubae, Shinichiro Nakamura, and Tetsuya Nagasaka)

“Thermodynamic analysis for the controllability of elements in recycling process of metals” Environmental Science and Technology,Vol.45(2011) (pp.4929-4936) (K.Nakajima, O. Takeda, T. Miki, K.Matsubae and T.Nagasaka)

“UPIOM: A New Tool of MFA and Its Application to the Flow of Iron and Steel Associated with Car Production” Environmental Science and Technology, Vol.45(2011) (pp.1114-1120) (S. Nakamura, Y. Kondo. K.Matsubae, K.Nakajima, and T.Nagasaka)

“Impacts on CO2 of the recovery of secondary ferrous materials from alternative ELV treatment methods: a Waste Input Output Analysys” ISIJ International, Vol.51(2011) No.1, (pp.151-157) (K.Matsubae, K.Nakajima, S.Nakamura, and T.Nagasaka)

“Thermodynamic Analysis of Contamination by Alloying Elements in Aluminum Recycling” Environmental Science and Technology, Vol.44 No.14,(2010) (pp.5594-5600) (K. Nakajima, O. Takeda, T. Miki, K. Matsubae-Yokoyama, S. Nakamura and T. Nagasaka)

“Removal of Arsenic in Coal Fly Ash into Dilute H2SO4 Solvent through Acid Washing Process” Journal of Hazardous Materials,Vol.181 (2010), pp.419 - 425(S. Kashiwakura, H, Ohno, K. Matsubae-Yokoyama, Y. Kumagai, H. Kubo, and T. Nagasaka)

“Magnetic Separation of Phosphorus Enriched Phase from Multiphase Dephosphorization Slag” ISIJ International,Vol. 50 (2010)No. 1(pp.59-64)(H. Kubo, K. Matsubae-Yokoyama and T. Nagasaka)

“Recycling Effects of Residual Slag after Magnetic Separation for Phosphorus Recovery from Hot Metal Dephosphorization Slag” ISIJ International, Vol. 50 (2010)No.1(pp.65-70) (K. Matsubae-Yokoyama, H. Kubo, and T. Nagasaka)

“Substance Flow Analysis of Phosphorus and Manganese Correlated with Korean Steel Industry” Resources, Conservation and Recycling,Vol.53 (2009), No.9, pp. 479-489 (Y-S. Jeong, K. Matsubae-Yokoyama, H. Kubo, J-J Pak and T. Nagasaka)

“Material Flow Analysis of Phosphorus in Japan considering the Iron and Steel Industry as a Major Sector” Journal of Industrial Ecology, Vol.13 No.5,(2009) (pp.687-705) (K. Matsubae-Yokoyama, H. Kubo, K. Nakajima, and T. Nagasaka)

“Material Flow Analysis of Polyvinyl Chloride in Japan based on the WIO-MFA Model” Journal of Industrial Ecology, Vol.13 No.5,(2009) (pp.706-717) (S. Nakamura, K. Nakajima, Y. Yoshizawa, K. Matsubae-Yokoyama and T. Nagasaka)

“Removal of Boron from Coal Fly Ash by HCl Washing” Fuel, Vol.8 (2009) (pp.1245-1250) (S. Kashiwakura, H. Kubo, Y. Kumagai, H. Kubo, K. Matsubae-Yokoyama, K. Nakajima, and T. Nagasaka)

“New EAF Dust Treatment Process with the Aid of Strong Magnetic Field” ISIJ International, Vol.48(2008) No.10, (pp.1339-1344) (ITOH Satoshi, TSUBONE Akira, MATSUBAE-YOKOYAMA Kazuyo, NAKAJIMA Kenichi and NAGASAKA Tetsuya)>[Sawamura Award as The Best Year's Paper Award, The Iron and Steel Institute of Japan]

“Substance flow analysis of zinc associated with iron and steel cycle in Japan, and environmental assessment on its recycling process” ISIJ International, Vol.48(2008) No.10, (pp.1478-1483) (NAKAJIMA Kenichi, MATSUBAE-YOKOYAMA Kazuyo, NAKAMURA Shinichiro, ITOH Satoshi and NAGASAKA Tetsuya)

“Application for Material Flow Accounting to Phosphorus in Japan with a Focus on its Accumulation” Journal of Environmental Engineering and Management, Vol.18 No. 1(2008) , (pp.47-53) (KUBO Hironari, YOKOYAMA Kazuyo, NAKAJIMA Kenichi, HASHIMOTO Seiji, YAMAGUCHI Kazuyoshi, NAGASAKA Tetsuya)

“Substance Flow Analysis of Manganese Associated with the Iron and Steel Cycle in Japan” ISIJ International, Vol.48(2008) No.4, (pp.554-558) (NAKAJIMA Kenichi, YOKOYAMA Kazuyo and NAGASAKA Tetsuya)

“Separation and Recovery of Phosphorus from Steelmaking Slags with the Aid of a Strong Magnetic Field” ISIJ International, Vol.47(2007) No.10, (pp.1541-1548) (K. Yokoyama,H. Kubo,K. Mori, H.Okada,S. Takeuchi and T. Nagasaka)

“Substance Flow Analysis of Indium for Flat Panel Displays in Japan” Materials Transactions,Vol. 48(2007) No. 9, (pp.2365-2369) (NAKAJIMA Kenichi, YOKOYAMA Kazuyo, NAKANO Kazuko and NAGASAKA Tetsuya)

“Substance Flow Analysis of Molybdenum Associated with Iron and Steel Flow in Japanse Economy” ISIJ international, Vol.47(2007)No.3,(pp.510.-515)(NAKAJIMA Kenichi, YOKOYAMA Kazuyo, MATSUNO Yasunari and NAGASAKA Tetsuya)

“Material Flow Analysis of Aluminum Dross and Environmental Assessment for Its Recycling Process”, Materials Transactions, Vol. 48(2007) No. 8, (pp. 2219-2224)(K. Nakajima, H. Osuga, K. Yokoyama and T. Nagasaka)

“Waste Input-Output Analysis on Landfill Mining Activity” Materials Transactions(2006) ,Vol.47,No.10, (pp.2582-2587) (K.YOKOYAMA, T. ONDA, S.KASHIWAKURA and T.NAGASAKA)

Presentations:

" Phosphorus flow analysis on the Japanese Economy" , Soil and Fertilizer Research Institute, Hanoi, Vietnam(2011年12月11日) (K.Matsubae*, and T.Nagasaka)

" Pitfalls in Recycling of Ferrous Metals" Metal Resource Seminar, CTCI Foundation, Taipei, Taiwan(2011年10月31日) (S. Nakamura*, Y.Kondo, K.Matsubae, K.Nakajima, T.Tasaki and T.Nagasaka)

"Hybrid Life-Cycle MFA of Ferrous Materials Embedded in Passenger Cars under Explicit Consideration of Grades of Secondary Materials" LCM2011, Berlin, Germany(2011年8月29日) (S. Nakamura*, Y.Kondo, K.Matsubae, K.Nakajima, T.Tasaki and T.Nagasaka)

"UPIOM: A New Hybrid Tool of MFA and Its Application to Primary and Secondary Metals Associated with Construction and Car" 6th InternationalConference on Industrial Ecology, Clark Kerr Campus, University of California, Berkeley, USA(2011年6月7-10日) (S. Nakamura*, Y.Kondo, K.Matsubae, K.Nakajima and T.Nagasaka)

"Virtual Phosphorus Ore Requirement of Japanese Economy" 6th InternationalConference on Industrial Ecology, Clark Kerr Campus, University of California, Berkeley, USA(2011年6月7-10日) (K.Matsubae*, J. Kajiyama, T. Hiraki and T.Nagasaka)

"Thermodynamic Consideration on Accompanying Elements During Cyclic Use of Metals" 6th InternationalConference on Industrial Ecology, Clark Kerr Campus, University of California, Berkeley, USA(2011年6月7-10日) (K.Nakajima*, O.Takeda, T.Miki, K.Matsubae, S.Nakamura and T.Nagasaka)

"Substance Flow Analysis on the Tramp Elements Associated with Iron and Steel Scraps Based on WIO-MFA Model " 6th InternationalConference on Industrial Ecology, Clark Kerr Campus, University of California, Berkeley, USA(2011年6月7-10日) (H. Ohno*, K.Matsubae, K. Nakajima, S.Nakamura and T.Nagasaka)

"Distribution Ratio of Alloying Elements on Remelting Process of Light Metals by Thermodynamic Analysis " 6th InternationalConference on Industrial Ecology, Clark Kerr Campus, University of California, Berkeley, USA(2011年6月7-10日) (T. Hiraki*, O. Takeda, K. Nakajima, K.Matsubae, T. Miki, S.Nakamura, X. Lu, and T.Nagasaka)

"Scenario analysis on the introduction of the Zinc recovery technology and Zn flow in Thailand " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日) (Romchat Chairaksa*, Kazuyo Matsubae and Tetsuya Nagasaka)

"Substance Flow Analysis on the Alloying elements associated with steel materials based on WIO MFA model " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日) (Hajime Ohno*, Kazuyo Matsubae, Kenichi Nakajima and Tetsuya Nagasaka)

"Thermodynamic evaluation for the controllability on recovery/removal of elements in some metallurgical processes" The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(O. Takeda*, T. Miki, K. Nakajima, K. Matsubae-Yokoyama and T. Nagasaka)

"The Grade of Materials in Urban Mine in terms of Total Materials Requirement - A Comparison among Electronics, Urban Buildings and Vehicle - " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(Eiji Yamasue*, Ryota Minamino, Kazuyo Matsubae Masaaki Fuse, Hideyuki Okumura and Keiichi N Ishihara)

"Domestic Material Flow of Zinc and Present Status of EAF Dust Management for Zinc Recovery in Taiwan " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(Hwong-wen Ma*, Kazuyo Matsubae, Min-Shing Tsai and Tetsuya Nagasaka)

"Substance Flow Analysis of Zinc correlated with South Korean Steel Industry " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(Yong-Soo JEONG*, Kazuyo MATSUBAE-YOKOYAMA, Jong-Jin PAK and Tetsuya NAGASAKA)

"WIO-MFA on Phosphorus Recovery from the Waste Materials " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(Kazuyo Matsubae*,Jun Kajiyama,Tetsuya Nagasaka)

"Substance Flow Analysis of Phosphorus Focusing on the Secondary Resources in Japan " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(Jun Kajiyama*, Kazuyo Matsubae and Tetsuya Nagasaka)[Poster presentation]

"Visualization of Element Distribution by Thermodynamic Analysis on Magnesium and Aluminum Alloy Recycling " The 9th international conference on Ecobalance, Tokyo, Japan(2010年11月9-12日)(T. Hiraki*, K. Nakajima, O. Takeda, T. Miki, K. Matsubae-Yokoyama, S. Nakamura and T. Nagasaka)[Poster presentation]

"UPIOM: A New Tool of MFA with Application to the Flow of Iron and Steel Associated with Car Production " ISIE-ConAccount meeting, Tokyo, Japan(2010年11月7-9日)(Shinichiro Nakamura*, Yasushi Kondo, Kazuyo Matsubae-Yokoyama,Kenichi Nakajima, Tetsuya Nagasaka)

"International Phosphorus Flow in Asia with focus on the accompanying substances " ISIE-ConAccount meeting, Tokyo, Japan(2010年11月7-9日)(Kazuyo Matsubae*,Jun Kajiyama,Yongsoo Jeong, Tetsuya Nagasaka)

"Total Materials Requirement of Phosphoric Acid Reclaimed from Steel Making Slag " ISIE-ConAccount meeting, Tokyo, Japan(2010年11月7-9日)(Eiji Yamasue*, Kazuyo Matsubae,Kenichi Nakajima, Tetsuya Nagasaka)

"Substance Flow Analysis on the Alloying Elements Associated with Steel Materials based on WIO-MFA Model " ISIE-ConAccount meeting, Tokyo, Japan(2010年11月7-9日)(Hajime Ohno*, Kazuyo Matsubae,Kenichi Nakajima, Tetsuya Nagasaka)

"Proposal from Young scientist" STS forum, Kyoto, Japan (2009年10月4-8日)[As invited young researcher]

"Environmental Effects of the Introduction of Active Disassembling Fasteners made of Hydrogen Storing Materials into Electric and Electronic Home Appliances: a Hybrid LCA based on WIO" R'09 Twin World Congress, Davos, Switzerland(2009年9月14-16日)(Eiji YAMASUE, Kazuyo MATSUBAE, Shinichiro NAKAMURA*, Keiichi N ISHIHARA)

"Material Flow Analysis of Phosphorus in Asia, Focusing on the secondary resources" 5th International Conference on Industrial Ecology,Lisbon, Portugal (2009年6月21-24日)(Kazuyo Matsubae-Yokoyama, Hironari Kubo, Kenichi Nakajima, Tetsuya Nagasaka*)

"Multi-material-hybrid-input-output analysis of base metals, alloying elements, and plastics in the Japanese economy: an application of WIO-MFA" 3rd International Seminar on Society and Materials, Freiberg, Germany (2009年4月29-30日)(Shinichiro NAKAMURA*, Kenichi NAKAJIMA, Kazuyo MATSUBAE, Tetsuya NAGASAKA)

"Evaluation Method of Metal Resources Recyclability Based on Thermodynamic Analysis for Material Flow and Stock Accounting - Metallic Element Distribution Among The Gas, Slag and Metal in Metallurgical Process -" 8th International Conference on EcoBalance、国際展示場、東京(2008年12月10-12日)(K. Nakajima*, O. Takeda, T. Miki, K. Matsubae-Yokoyama, T. Nagasaka)[Poster presentation][The Best poster award]

"WIO Analysis on Utilization of Livestock Manure as Coal Substitute in Tohoku Region" 8th International Conference on EcoBalance、国際展示場、東京(2008年12月10-12日)(S. Yabuki*, K. Matsubae-Yokoyama, T. Nagasaka)[Poster presentation]

"Manganese flow associated with ferrous scrap utilization and its effect on steel cycle." 8th International Conference on EcoBalance、国際展示場、東京(2008年12月10-12日)(K. Ono*, K. Matsubae-Yokoyama, K. Nakajima, T. Nagasaka)[Poster presentation]

"WIO analysis on Steel Recycling Considering Accompanying Substances" 8th International Conference on EcoBalance、国際展示場、東京(2008年12月10-12日)(K. Matsubae-Yokoyama*, K. Ono, K. Nakajima, T. Nagasaka)

"Accompanying elements associated with ELV scraps from the viewpoint of ferrous scrap recycling" Workshop on MFA, LCA and other related tools, The Iron and Steel Institute of Japan、国際展示場、東京(2008年12月9日)(K. Matsubae-Yokoyama*)[Invited]

"Material Flow of Boron Associated with Coal Ash" ConAccount 2008 "Urban Metabolism: measuring the ecological city", Pragh, Czech Republic(2008年9月11-12日)(S. Kashiwakura, K. Matsubae-Yokoyama, S.Yabuki and T.Nagasaka)

"Material Flow Analysis on Steel Recycling Considering Accompanying Substances" ConAccount 2008 "Urban Metabolism: measuring the ecological city", Pragh, Czech Republic(2008年9月11-12日)(K. Matsubae-Yokoyama , K. Nakajima, K. Ono, S. Nakamura and T. Nagasaka)

"Hybrid (WIO) LCA of the Introduction of Active Disassembling Fasteners using Hydrogen Storing Materials into Electric and Electronic Equipments" Electronics Goes Green 2008+ ,Berlin, Germany(2008年9月7-9日)(E. Yamasue, K. Matsubae-Yokoyama, Y. Kondo, S. Nakamura and K. N. Ishihara)

"Input-output MFA as a tool for sustainable management of material stocks with application to capital matrix" International Input-Output Meeting on Managing the Environment, Seville, SPAIN (2008年7月9-11日)(S. Nakamura*, Y. Kondo, K. Yokoyama and K.Nakajima)

"Ferrous material flow and contamination of tramp elements: towards sustainable recycling and efficient resource management" International Input-Output Meeting on Managing the Environment, Seville, SPAIN (2008年7月9-11日)(K. Matsubae-Yokoyama*, K.Nakajima, E. Yamasue, K. Nansai and T. Nagasaka)

"Phosphorous and manganese recovery process from hot metal pre-treatment slag with strong magnetic field" 3rd International Conference on Process Development in Iron and Steelmaking(ScanmetIII), Lulea, Sweden (2008年6月9-11日)(K. Yokoyama, H.Kubo, K.Nakajima, Y-S.Jeong* and T.Nagasaka)

"Woody biomass recycling using coke-making process" 3rd International Conference on Process Development in Iron and Steelmaking(ScanmetIII), Lulea, Sweden (2008年6月9-11日)( K.Yoshimoto*, T.Matsumura, M.Ichida, K.Yokoyama, T.Nagasaka and K.Kato)

"The Anatomy of Capital Stock: Input-Output MFA of the Material Composition of Physical Stocks and Its Evolution over Time" 2nd International Seminar on Society and Materials, Nante, France (2008年4月24-25日)(Y. Kondo*、K. Nakajima, K. Yokoyama, S. Nakamura)

“Recovery of Phosphorus from Steelmaking Slag” EcoDesign 2007:5th International Symposium on Environmentally Conscious Design and Inverse Manufacturing, Miraikan,Tokyo, Japan (2007年12月10 -13日)(KUBO Hironari*、YOKOYAMA Kazuyo、NAGASAKA Tetsuya)

“Tramp elements contamination in ferrous material cycle:Dynamic approach by using Waste Input Output Model” 2007 International Symposium on Sustainable Energy and Materials, 大濱信泉記念館, 石垣島 (2007年10月30 -11月1日)

“Dynamic Waste Input-Output Model: Theory and Its Application to the Japanese Economy” , The 16th International Input-Output Conference, Istanbul Technical University, Istanbul, Turkey (2007年7月2-6日)(K.Yokoyama* and S. Kagawa)

“Dynamic Waste Input Output Modeling of Carbon Stock and Flow” , The 16th International Input-Output Conference, Istanbul Technical University, Istanbul, Turkey (2007年7月2-6日)(K. Yokoyama*, K. Nakajima, K. Nansai and T. Nagasaka)

“Dynamic Waste Input Output model and its application” Industrial Ecology Applications of Input-Output Economics Symposium, University of Toronto, Canada (2007年6月21日)

“The Effect of Contamination of Tramp Elements on Ferrous Material Flow: Analysis by Dynamic Waste Input Output Model ” The International Society for Industrial Ecology 2007, University of Toronto, Canada (2007年6月17-22日)[Poster presentation](YOKOYAMA Kazuyo, NAKAJIMA Kenichi, YAMASUE Eiji, NANSAI Keisuke, NAGASAKA Tetsuya)

“The Potential Amounts of Recovered Materials from Waste Electrical and Electronic Equipments using Self-disassembling Fastener” The International Society for Industrial Ecology 2007, University of Toronto, Canada (2007年6月17-22日)[Poster presentation](Eiji Yamasue, Kenichi Nakajima, Ichiro Daigo, Kazuyo Yokoyama, Wakana Tamaki, Seiji Hashimoto, Nguyen Duc Quang, Hideyuki Okumura and Keiichi N. Ishihara)

“The Case Study of National-scale Material Flow Assessment−the Japan Experience ”  CTCI foundation Environmental & Energy International Conference[96年度環境與能源國際研討會] , Taipei, Taiwan (2007年1月16-18日)(Kazuyo Yokoyama* and Tetsuya Nagasaka)[As a Keynote speaker, Invited]

“Modeling of circulation about waste materials considering the contamination of impurities”  The 7th International Conference on EcoBalance, Epocal Tsukuba(2006年11月14-16日)(YOKOYAMA Kazuyo*、NAKAJIMA Kenichi、NANSAI Keisuke、NAGASAKA Tetsuya)

“Application of WIO-MFA Model to the Iron and Steel Material Cycle in the Japanese Economy”  The 7th International Conference on EcoBalance, Epocal Tsukuba(2006年11月14-16日)(NAKAJIMA Kenichi*、NAKAMURA Shinichiro、YOKOYAMA Kazuyo、NAGASAKA Tetsuya、KONDO Yasushi)

“Material Flow Analysis of Aluminum Dross and Environmental Assessment for Its Treatment”  The 7th International Conference on EcoBalance, Epocal Tsukuba(2006年11月14-16日)(OSUGA Hirotake*、YOKOYAMA Kazuyo、NAKAJIMA Kenichi、NAGASAKA Tetsuya) (Poster Presentation) (Outstanding Poster Award)

“Prediction of Tramp Element Contamination in Steel Scrap Based on Dynamic WIO Model”  Symposium on Advanced Material Flow Analysis for Sustainable Society, Tohoku University, Sendai, 25-26 September 2006(YOKOYAMA Kazuyo*、NAKAJIMA Kenichi、NANSAI Keisuke、NAGASAKA Tetsuya)

“Preliminary idea of Material Stock Accounts: objectives, system boundary, and categories of stocked materials” 2006 ConAccount meeting Dematerialization across scales: Measurement, empirical evidence, future options, Vienna, Austria(2006年9月13-14日)(HASHIMOTO Seiji*, DAIGO Ichiro, NAKAJIMA Ken-ichi, FUSE Masaaki, MURAKAMI Shinsuke, YOKOYAMA Kazuyo, YAMASUE Eiji, TAMAKI Wakana, TANIKAWA Hiroki, UMEZAWA Osamu)

“Modeling of ferrous material circulation considering the contamination of tramp elements” 2006 ConAccount meeting Dematerialization across scales: Measurement, empirical evidence, future options, Vienna, Austria(2006年9月13-14日)(YOKOYAMA Kazuyo*, NAKAJIMA Kenichi, NANSAI Keisuke, NAGASAKA Tetsuya)

“Evaluation of Environmental Burden and Economic Impact with “Landfill Mining Activity” Based on the Waste Input-Output Model” Sohn International Symposium on Advanced Processing of Metals and Materials: Principles, Technologies and Industrial Practice , San Diego, USA(2006年8月28-31日)(YOKOYAMA Kazuyo*, ONDA Takashi, KASHIWAKURA Shunsuke, NAGASAKA Tetsuya)[As a Keynote speaker]

“An analytical discussion of dynamic material cycle and economic growth: Dynamic waste input output approach” Intermediate Input-Output Meetings 2006 on Sustainability, Trade & Productivity, Sendai, Japan(2006年7月26-28日)(YOKOYAMA Kazuyo*, KAGAWA Shigemi)

“Relationship Between Economic Growth and Waste Management: Dynamic Waste Input-Output Approach” 3rd World Congress of Environmental and Resource Economists, Kyoto, Japan(2006年7月3-7日)(YOKOYAMA Kazuyo*, KAGAWA Shigemi)

“Development and Evaluation of An Model for Estimating Material and Energy Recovery from Landfilled Waste” 15th International Input-Output Conference, Renmin University, Beijing, China P.R.2005年6月27日)(横山一代*、長坂徹也)

“Environmental and economic impact about material and energy recovery from past final disposal waste” 5th International Society of Indutrial Ecology, Royal Institute of Technology [Kungliga Tekniska hogskolan], Stockholm, Sweden.2005年6月15日)(横山一代*、長坂徹也)

“Steel making slags as a new phosphorus resource” International conference on Clean Thechnologies in the Steel Industry2005年6月8日)(横山一代、長坂徹也*、森一広、久保裕也、岡田秀彦)

"Prediction of demand for landfill volume : Analysis by dynamic extension of waste input-output model" EcoDesign 2003 -3rd International Symposium on Environmentally Conscious Design and Inverse Manufacturing, National Olympics Memorial Youth Center, Tokyo, JapanDecember 8-11, 2003

"Environmental Impact and Economic Cost of Acceptance of Waste in Construction Industry: Analysis by Dynamic Extension of Waste Input-Output Analysis" 2nd meeting of the International Society for Industrial Ecology, in Ann Arbor, Michigan, U.S.A. (2003629-72)

"Dynamic effects of acceptance of waste in construction industry: analysis by dynamic extension of waste input-output model" SETAC Europe 12th Annual Meeting in Hamburg, Germany, (2003427 - 51)

"Dynamic Expansion of Waste Input-Output Analysis" The 5th International Conference on EcoBalance (2002116-8) Tsukuba

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