Faculty Profiles - FUJIWARA Takeshi

MISC - FUJIWARA Takeshi

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経済・社会指標や廃棄物政策を変数とした都市ごみ排出量推計の基礎研究

翁御棋, 藤原健史, 顧斌賢

全国都市清掃研究・事例発表会講演論文集 32nd (CD-ROM) 2010

産業廃棄物処理資源化施設の探索評価システムの開発

石田俊宏, 藤原健史

全国都市清掃研究・事例発表会講演論文集 32nd (CD-ROM) 2010

広域集中処理を目的とした一般廃棄物中継輸送システムの一考察

藤原健史, 日下部友祐

全国都市清掃研究・事例発表会講演論文集 32nd (CD-ROM) 2010

Establishment of disaster debris management based on quantitative estimation using natural hazard maps

N. Hirayama, T. Shimaoka, T. Fujiwara, T. Okayama, Y. Kawata

WASTE MANAGEMENT AND THE ENVIRONMENT V 140 167 - + 2010

Language：English Publisher：WIT PRESS

In this study an estimation procedure was established to assess the amount of debris resulting from earthquake and flood disasters Per unit generation of earthquake disaster debris was examined on the basis of observed debris discharge from the 1995 Great Hanshin Awaji Earthquake and the 2004 Niigata Chuetsu Earthquake In addition, the per unit generation of disaster debris from flood damage above floor level was estimated at 4 6 t/household It was shown that this procedure would allow the amount of debris to be estimated in order that disaster management and operation systems could be established for not only emergency response in the aftermath, but also pre-disaster planning In a case study, the amount of disaster debris from earthquake and catastrophic flood disasters in the Tokyo Metropolitan Area was estimated according to hazard maps It is concluded that it is important, from the viewpoint of the security of sanitary systems in the damaged district, that disaster debris management systems including wide-ranging cooperative measures should be established

DOI： 10.2495/WM100161

Web of Science

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岡山市の廃食用油BDF製造事業に関するライフサイクルアセスメント

甲斐充, 楊金美, 藤原健史

全国都市清掃研究・事例発表会講演論文集 32nd (CD-ROM) 2010

The Role of Solid Waste Management Theory towards Sustainable Society

FUJIWARA Takeshi

14 ( 2 ) P2 2009.10

Future forecasts of industrial solid waste generation: perspectives from consumption pattern and industrial structure (京都大学環境衛生工学研究会第31回シンポジウム講演論文集)

[checking], Fujiwara, Takeshi, Matsuoka, Yuzuru

23 ( 3 ) 204 - 207 2009.7

Estimation of household Solid waste generation in Malaysia based on household expenditure (京都大学環境衛生工学研究会第31回シンポジウム講演論文集)

Norbaizura Siti, 藤原健史

環境衛生工学研究 23 ( 3 ) 208 - 211 2009.7

Municipal solid waste management and short-term projection of the waste discard levels in Taiwan

Yu-Chi Weng, Takeshi Fujiwara, Yuzuru Matsuoka

Journal of Material Cycles and Waste Management 11 ( 2 ) 110 - 122 2009.5

Language：English

Industrialization and urbanization result in significant changes in lifestyle. These lifestyle changes seem to lead to unsustainable consumption patterns and increase the generation of various kinds of environmental loads, especially the amount of municipal solid waste (MSW). Taiwan is a small island with scarce natural resources. The economic development in Taiwan has resulted in the generation of large amounts of MSW. As a result, the Taiwan Environmental Pollution Administration (TEPA) has produced regulations for waste minimization and has imposed several important policy measures that have successfully reduced the MSW discard rate in recent years and have established a public recycling network as a part of the MSW collection. Nowadays, the objective of the MSW policies in Taiwan is to develop a "zero-waste society." This article aims to review the MSW management progress in Taiwan and to project future MSW discards up to 2011 based on the national plan and assumed scenarios for socioeconomic variables. According to the analysis results, a more sustainable consumption pattern can be proposed and the corresponding MSW management system can be planned so as to develop a low-waste-discard society. © 2009 Springer Japan.

DOI： 10.1007/s10163-008-0233-1

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Municipal solid waste management and short-term projection of the waste discard levels in Taiwan

Yu-Chi Weng, Takeshi Fujiwara, Yuzuru Matsuoka

JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT 11 ( 2 ) 110 - 122 2009.5

Language：English Publisher：SPRINGER

DOI： 10.1007/s10163-008-0233-1

Web of Science

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Greenhouse gas emission content by the alternative treatment methods of municipal solid waste management "jointly worked"

Nguyen Phuc THANH, Yasuhiro Matsui, Takeshi Fujiwara

Journal of Science and Technology 47 ( 5A ) 102 - 110 2009

An analysis of municipal solid waste discards in Taiwan based on consumption expenditure and policy interventions/Waste Management Research (共著)

Yu-Chi Weng, Takeshi Fujiwara, Yuzuru Matsuoka

Waste Management Research 1 - 11 2009

An analysis of municipal solid waste discards in Taiwan based on consumption expenditure and policy interventions/Waste Management Research "jointly worked"

Yu-Chi Weng, Takeshi Fujiwara, Yuzuru Matsuoka

Waste Management Research 1 - 11 2009

Evaluation of Waste to Energy Facilities in Japan : Electricity and Energy Balance based on Analysis of Operation and Maintenance Data

MORIOKA Shuichi, FUJIWARA Takeshi, TANAKA Masaru

J. Env. cons. eng 38 ( 9 ) 624 - 632 2009

Language：Japanese Publisher：Society of Environmental Conservation Engineering

The policy of waste to energy (WTE) has been promoted as an important policy for alternative energy and one of the principle infrastructure plans of the Japanese government. However, problems with dioxin have necessitated various changes of WTE technology, and WTE facilities now must have flue gas treatment equipment with long-chain process , ash melting furnace , and gasification and melting furnace. Although WTE facilities with the disposal capacity of 300t/d or greater have been considered to be more effective and desirable, the number of these facilities has not increased, and WTE facilities with capacity of less than 300t/d have been increasing in compliance with the dioxin guidelines for continuous combustion and regional waste disposal. This study investigates and analyzes the generation, purchase and consumption of electricity / fossil fuels using the operation and maintenance data of all of WTE facilities operated in 2007 in Japan. Our findings show that the smaller the capacity of WTE facility , the greater the consumption of electricity and energy per ton. In the future it may be recommended that WTE facilities of 300t/d or greater be increased and the ash from several WTE facilities be treated jointly.

DOI： 10.5956/jriet.38.624

Other Link： https://jlc.jst.go.jp/DN/JALC/00337950481?from=CiNii

滋賀県における資源循環型社会システムの形成に関する調査研究

金再奎, 岩川貴志, 佐藤祐一, 内藤正明, 高田俊秀, 松岡譲, 島田幸司, 島田洋子, 藤原健史, 倉田学児, 五味馨

滋賀県琵琶湖環境科学研究センター研究報告書 ( 4 ) 2009

都市の家計消費に基づく廃棄物排出量の推計:岡山市を対象として

顧斌賢, 藤原健史

廃棄物資源循環学会研究発表会(CD-ROM) 20th 2009

Estimation of household solid waste generation and composition in a Mekong delta City, Vietnam

Nguyen Phuc Thanh, MATSUI YASUHIRO, FUJIWARA TAKESHI

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 20 ( 0 ) 281 - 281 2009

Language：Japanese Publisher：Japan Society of Material Cycles and Waste Management

A one-month survey focused on 100 households was conducted in Can Tho City. The household solid waste was collected from each household and classified into 83 categories. The results showed that the average household solid waste generation in Can Tho City was 0.29 kg per capita per day with high compostable portion and recyclable as 82% and 10%, respectively. The household solid waste generation rate (kg/cap/day) was positively correlated with the population density, while it was negatively correlated with the household size. Moreover, the discharge amount per capita per day of household solid waste by each fraction is positively correlated with the urbanization level.

DOI： 10.14912/jsmcwm.20.0.281.0

CiNii Article

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Evaluation of Waste to Energy Facilities in Japan - Electricity and Energy Balance based on Analysis of Operation and Maintenance Data - "jointly worked"

Shuichi Morioka, Takeshi Fujiwara, Masaru Tanaka

Environmental Construction Engineering 38 ( 9 ) 624 - 632 2009

Language：Japanese Publisher：Society of Environmental Conservation Engineering

DOI： 10.5956/jriet.38.624

CiNii Article

CiNii Books

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Other Link： https://jlc.jst.go.jp/DN/JALC/00337950481?from=CiNii

Estimation of greenhouse gas emitted from municipal solid waste treatment and disposal in taiwan and its policy implication

Yu Chi Weng, Takeshi Fujiwara, Yuzuru Matsuoka

Journal of Global Environment Engineering 14 47 - 55 2009

The increasing municipal solid waste (MSW) generation and the options of appropriate MSW treatment technologies are particularly highlighted on its worldwide impact on the global warming in recent times. It is imperative to assess the potential amount of the greenhouse gas (GHG) emission in the design of MSW treatment and disposal system. This study aims at developing an emission inventory of GHG emission from the MSW treatment and disposal system, by firstly using the IPCC's updated methodology and domestic studies for required parameters in Taiwan. The GHG emission rates from respective MSW treatment and disposal divisions are estimated. The methane emission behavior between the first-order decay model and the triangular method is also firstly compared. Accordingly, the MSW treatment and disposal system in Taiwan generated 7,842.6 Gg CO< equivalence in 2002, occupying 2.86 % of Taiwanese net GHG emission in that year. The analysis results also indicate that plastic waste, paper waste, and food waste occupies the largest share of GHG emission from MSW treatment and disposal processes. Thus recycling and reducing activities on them should be enhanced for preventing global warming. The results will help the decision-makers associated with GHG reduction and MSW management to make efficient policy strategies.

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Greenhouse gas emission content by the alternative treatment methods of municipal solid waste management (共著)

Nguyen Phuc THANH, Yasuhiro Matsui, Takeshi Fujiwara

Journal of Science and Technology 47 ( 5A ) 102 - 110 2009

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