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Study on Reduction Method of Carbon-Dioxide Gas Generation Using Wastes in Iron-Making process

Research Project

Project/Area Number 17510076
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental technology/Environmental materials
Research InstitutionOsaka Electro-Communication University

Principal Investigator

MORI Koji  Osaka Electro-Communication University, Engineering, Professor (00210120)

Co-Investigator(Kenkyū-buntansha) KAWAGUCHI Masayuki  Osaka Electro-Communication University, Engineering, Professor (10268295)
SAWAI Toru  Kinki University, School of Biology-Oriented Science and Technology, Professor (10178824)
Project Period (FY) 2005 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥3,970,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2006: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2005: ¥2,200,000 (Direct Cost: ¥2,200,000)
KeywordsWastes / Reduced Metal / Carbon-Dioxide / Global Warming / Iron and Steel-Making
Research Abstract

This study aimed to propose the method of reduction of carbon-dioxide gas generation in iron and steel making processes using wastes instead of coals and to contribute the suppression of global warming. The studies achieved are as follows ;
1. Production of reduced iron
1.1 Gasification of wastes and reduced iron production by reducing gas
The reducing method to put the iron are into the reducing gas made by wastes was proposed. The model of reduction reaction was proposed and the reduction experiments to obtain the suitable reduction conditions were carried out. The data showed that reduction actually occurred, but the reaction rate was very small.
1.2 Reduction experiments using pellets of wastes and iron are mixtures
In order to increase productivity of reduced iron, pellets of crashed wastes and iron are mixtures were examined. The experiments revealed that the best conditions for reduction were mixing ratio of iron are of about 50% and heating temperature of around 1400℃. The effect of grain size distribution was not so important. Chemical and EPMA analysis was carried out to evaluate the quality of the reduced iron, and the data showed that the iron had the metallic Fe content of 95% and was reduced uniformly in it.
Plastics and food wastes were also investigated for reducing agents. The plastic was vaporized in high temperature and it was impossible to reduce iron ore. On the other hand, the food wastes were found a good reducing agent.
2 Amount of wastes in Japan and Canada
In Japan wastes of woods, tires and plastics were generated 21 million tons, 200 thousand tons and 10 million tons every year. In Canada 25% of wastes in Japan was generated every year. However, the cost of collecting the wastes in Canada is too high to use them effectively.

Report

(4 results)
  • 2007 Annual Research Report   Final Research Report Summary
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (15 results)

All 2007 2006 2005 Other

All Journal Article (11 results) (of which Peer Reviewed: 4 results) Presentation (3 results) Remarks (1 results)

  • [Journal Article] 杉小径木の圧縮半炭化燃料の圧縮強度・発熱量特性2007

    • Author(s)
      澤井 徹
    • Journal Title

      高温学会誌 33巻1号

      Pages: 31-37

    • NAID

      10029254632

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Properties of Compressive Strengh and Heating Value of Compressed Semi-Carbonized Sugi thinning2007

    • Author(s)
      Toru Sawai
    • Journal Title

      Journal of High Temperature Society vol.33 no.1

      Pages: 31-37

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Effects of Liquid Viscosity on Inception of Disturbance Waves and Droplets in Gas-Liquid Two-Phase Flow2007

    • Author(s)
      Koji Mori, 他3名
    • Journal Title

      Heat Transfer Asian Research 36-8

      Pages: 529-541

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 和歌山県における果樹剪定枝のエネルギー利用(剪定枝の灰分,C/N比および燃焼特性)2006

    • Author(s)
      澤井 徹
    • Journal Title

      環境技術学会誌 35巻12号

      Pages: 916-923

    • NAID

      10018447401

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Energy Utilization of Pruned Branch of Fruit Trees in Wakayama Prefecture(Ash Property, C/N Ratio and Combustion Characteristics of Pruned Branch)2006

    • Author(s)
      Toru Sawai
    • Journal Title

      Journal of Research Institute of Technology vol.35 no.12

      Pages: 916-923

    • NAID

      10018447401

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 和歌山県における果樹剪定技のエネルギ-利用 -剪定技の灰分、C/N比および燃焼特性-2006

    • Author(s)
      澤井 徹, 他8名
    • Journal Title

      環境技術学会誌 35巻12号

      Pages: 916-923

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 食品廃棄物を利用したバイオマスエタノ-ル製造技術の基礎研究2006

    • Author(s)
      森 幸治, 他3名
    • Journal Title

      日本設計工学会関西支部研究発表講演会講演論文集

      Pages: 56-57

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Assessment of Transport Property of Semi-Carbonized Forestry Biomass Fuel2006

    • Author(s)
      T.Sawai, T.Kajimoto
    • Journal Title

      近畿大学生物理工学部紀要 17

      Pages: 1-6

    • NAID

      110006183306

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Gasification Characteristics of Waste Wood Chips in Air Blowing2005

    • Author(s)
      Koji Mori
    • Journal Title

      Proc.16th International Symposium on Transport Phenomena (In CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Casification Characteristics of Waste Wood Chips in Air Blowing2005

    • Author(s)
      Koji Mori
    • Journal Title

      proc.16th International Symposium on transport Phenomena (CD-ROM)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Gasification Characteristics of Waste Wood Chips in Air Blowing2005

    • Author(s)
      Koji MORI, Takeshi ONOUE
    • Journal Title

      Proc.16^<th> International Symposium on Transport Phenomena (CD-ROM)

    • Related Report
      2005 Annual Research Report
  • [Presentation] 廃棄物を用いた還元鉄製造に関する研究2007

    • Author(s)
      森 幸治
    • Organizer
      日本設計工学会関西支部研究発表講演会
    • Place of Presentation
      大阪電気通信大学
    • Year and Date
      2007-11-24
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Annual Research Report 2007 Final Research Report Summary
  • [Presentation] Study on Reduction Method of Carbon-Dioxide Gas Generation by Iron-Making Using Wastes2007

    • Author(s)
      Koji Mori
    • Organizer
      AnnualmeetingofJapan Society for Design Engineering Kansai Branch
    • Place of Presentation
      Osaka-Electro-Communication University
    • Year and Date
      2007-11-24
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Study on Production of Bio-Ethanol from Food Wastes2006

    • Author(s)
      Koji Mori
    • Organizer
      Annualmeeting of Japan Society for Design Engineering Kansai Branch
    • Place of Presentation
      Osaka-Electro-Communication University
    • Year and Date
      2006-11-20
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Remarks] 「研究成果報告書概要(和文)」より

    • URL

      http://www.osakac.ac.jp/erc/

    • Related Report
      2007 Final Research Report Summary

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

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