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New methods to measure and predict fate of chemicals in soil

Research Project

Project/Area Number 10044162
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental dynamic analysis
Research InstitutionHiroshima University

Principal Investigator

YAMAGUCHI Toshiko  Faculty of Engineering, Hiroshima University, Associate Professor, 工学部, 助教授 (80034396)

Co-Investigator(Kenkyū-buntansha) FUKUSHIMA Takehiko  Faculty of Engineering, Hiroshima University, Professor, 工学部, 教授 (90124354)
PETERSON L.W  Resreach Center Foulum, 研究員
MOLDRUP P.  Univ. of Aalborg, 工学部, 助教授
ROLSTON D.E.  Univ. of California,Davis,農業, 環境科学部, 教授
Project Period (FY) 1998 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 1999: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1998: ¥2,000,000 (Direct Cost: ¥2,000,000)
KeywordsVolatile Organic Chemicals / Pesticide / Retardation / Diffusion in soil / Fate predictive model / Micro-column method / Soil colloid / 土壌コロイド / マイクロカラム法
Research Abstract

The objective of this research is to obtain a better understanding and better be able to predict sorption, transport and fate of environmental chemicals in urban or agricultural soil systems.
We have shown that small soil particles (colloids) adsorbed relative more chemical (pesticide) than the bulk soil, thus giving an increased risk of colloid-facilitated chemical leaching. Both chemicals showed pronounced adsorption-desorption non-singularity (sorption hysteresis) and thus has a tendency to be immobilized in the soil during soil remediation and clean-up. Also, we have developed and tested a new, rapid method ( [HPLC] Micro-column Method) for direct measurement of dissolved organic chemical transport and sorption in soil during natural water flow conditions.
We have described how the vapor sorption relates to soil-air humidity and soil-water content to soil specific surface area and soil texture. The studies concerns both volatile pesticides (diazinon) and other frequently used toxic v … More olatile organic compounds (benzene, toluene, and trichloroethylene). We have further used our Gas Chromatography [GC] Micro-column Method for direct measurement of VOC transport in unsaturated soil and analyzed the results under conditions corresponding to soil vapor extraction based clean-up of a polluted soil site. It was shown that both vapor sorption air and water permeability and gas diffusivity can significantly affect clean-up time.
We have developed a pore-size dependent model for air and gas permeability in undisturbed soil. We have developed new, more accurate models for saturated and unsaturated hydraulic conductivity in undisturbed soils, as functions of soil-water content and pore-size distribution. We have developed the first realistic models for gas diffusion coefficients in undisturbed soil as related to air permeability, pore-size distribution, and soil macro-porosity. All the new models were tested against the data for Japanese, European and American soils and showed to be more accurate than previously existing models. Less

Report

(3 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • Research Products

    (48 results)

All Other

All Publications (48 results)

  • [Publications] Farcasanu,R.I.: "Kjnetics and equilibrium of simazine sorption on soil collids"Journal of Environmental Chemistry. 8,(2). 259-266 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu,R.I.: "Simazine sorption and transport in soils and particle size fractions"Journal of Environmental Chemistry. 8,(4). 769-779 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu,R.I.: "Sorption and transport of asulam in soils"Environmental Engineering Research. 35. 137-144 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu,R.I.: "Kinetics of simazine sorption on soils euld soil particle size fractions"Soil and Foundations. 39,(4). 143-149 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] De Jonge,H.: "Glyphosate sorption in soils with varying liming and phosphorus fertilizer treatment"Soil Science. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Yamaguchi,T.: "Test of HPLC Micro-Column method for direct measurements of pesticide retardation in soils"Soil and Foundations. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Yamaguchi,T.: "Predictive model for adsorption of volatile organic chemicals in soils"Environmental Engineering Research. 36. 477-482 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen,T.G.: "Predicting soil-water and soil-air transport properties and their effects on Soil Vapor Extraction efficiency"Ground Water Monitoring & Remediation. 19,(3). 61-70 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen,T.G.: "Predicting volatile organic vapor sorption from soil specific surface area and texture"Journal of Environmental Quality. (in press,Sept-Oct issue). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen,T.G.: "Predicting saturated and unsaturated hydraulic conductivity in undisturbed soils from soil-water characteristics"Soil Science. 164,(12). 877-887 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Olesen,T.: "Solute diffusivity in unsaturated soil:Predictihg treshold water content and impedance factors"Soil Science Society of America Journal. (accepted). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup,P.: "Modeling diffusion and reaction in soils:VIII.Gas diffusion predicted from sirlgle-potential diffusivity or permeability measurements"Soil Science. 164,(2). 75-81 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup,T.: "Modeling diffusion and reaction in soils:IX.The Buckingham-Burdine-Campbell equation for gas diffusivity in undisturbed soil"Soil Science. 164,(8). 542-551 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup,T.: "Pridecting the gas diffusion coefficient in undisturbed soil from soil-water cheracteristics"Soil Science Society of America Journal. (in press,Jpn-Feb issue). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Chen,D.: "Calculating Partition Coefficients of organic Vapors a Unsaturated Soil and Clays"Soil Science. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu. R. I.: "Kinetics and equilibrium of simazine sorption on soil collids."Journal of Environmental Chemistry. 8(2). 259-266 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu. R.I.: "Simazine sorption and transport in soils and particle size fractions."Journal of Environmental Chemistry. 8(4). 769-779 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu. R.I.: "Sorption an transport of asulam in soils."Environmental Engineering Research. 35. 137-144

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu. R.I.: "Kinetics of simazine sorption on soils and soil particle size fractions."Soils and Foundations. 39(4). 143-149 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] De Jonge, H.: "Glyphosate sorption in soil with varying liming and phosphorus fertilizer treatment."Soil Science. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Yamaguchi, T.: "Test of HPLC Micro-Column method for direct measurements of pesticide retardation in soils."Soils and Foundation. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Yamaguchi, T.: "Predictive model for adsorption of volatile organic chemicals in soils."Environmental Engineering Research. 36. 477-482 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen, T.G.: "Predictive soil-water and soil-water and soil-air transport properties and their effects on soil vapor extraction efficiency."Ground Water Monitoring & Remediation. 19(3). 61-70 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen, T.G.: "Predicting volatile organic vapor sorption from soil specific surface area and texture."Journal of Environmental Quality. (in press, Sep-Oct issue). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Poulsen, T.G.: "Predicting saturated and unsaturated hydraulic conductivity in undisturbed soils from soil-water characteristics."Soil Science. 164(12). 877-887 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Olesen, T.: "Solute diffusivity in unsaturated soil : Predicting treshold water content and impedance factors."Soil Science Society of America Journal. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup, P.: "Modeling diffusion and reaction in soils : VIII. Gas diffusion predicted from single-potential diffusivity or permeability measurements."Soil Science. 164(2). 75-81 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup, P.: "Modeling diffusion and reaction in soils : IX. The Buckingham-Burdine-Campbell equation for gas diffusivity in undisturbed soil."Soil Science. 164(8). 542-551 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Moldrup, P.: "Predicting the gas diffusion coefficient in undisturbed soil from soil-water characteristic."Soil Science Society of America Journal. (in press, Jan-Feb issue). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Chen, D.: "Calculating Partition Coefficients of Organics Vapors in Unsaturated Soil and Clays."Soil Science. (accepted for publication). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Farcasanu,R.I.: "Kinetics and equilibrium of simazine sorption on soil collids."Journal of Environmental Chemistry. 8,(2). 259-266 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Farcasanu,R.I.: "Simazine sorption and transport in soils and particle size fractions."Journal of Environmental Chemistry. 8,(4). 769-779 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Farcasanu,R.I.: "Sorption and transport of asulam in soils."Environmental Engineering Research. 35. 137-144 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Farcasanu,R.I.: "Kinetics of simazine sorption on soils and soil particle size fractions."Soils and Foundations. 39,(4). 143-149 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Moldrup,T.: "Modeling diffusion and reaction in soils:IX. The Buckingham-Burdine-Campbell equation for gas diffusivity in undisturbed soil."Soil Science. 164,(8). 542-551 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Yamaguchi,T.: "Test of HPLC Micro-Column method for direct measurements of pesticide retardation in soils."Soils and Foundations. (accepted for publication). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Yamaguchi,T.: "Predictive model for adsorption of volatile organic chemicals in soils."Environmental Engineering Research. 36. 477-482 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Poulsen,T.G.: "Predicting soil-water and soil-air transport properties and their effects on Soil Vapor Extraction efficiency."Ground Water Monitoring & Remediation. 19,(3). 61-70 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Poulsen,T.G.: "Predicting volatile organic vapor sorption from soil specific surface area and texture."Journal of Environmental Quality. (in press,Sept-Oct issue). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Poulsen,T.G.: "Predicting saturated and unsaturated hydraulic conductivity in undisturbed soils from soil-water characteristics."Soil Science. 164,(12). 877-887 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Moldrup,P.: "Predicting the gas diffusion coefficient in undisturbed soil from soil-water characteristics."Soil Science Society of America Journal. (in press,Jan-Feb issue). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Moldrup,P.: "Modeling diffusion and reaction in soils: VIII. Gas diffusion predicted from single-potential diffusivity or permeability measurements."Soil Science. 164,(2). 75-81 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Chen,D.: "Calculating Partition Coefficients of Organic Vapors in Unsaturated Soil and Clays"Soil Science. (accepted for publication). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Farcasanu,R.I.: "Kinetics and Equilibrium of Simazine Sorption on Soil Colloids" Journal of Environmental Chemistry. 8,2. 259-266 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Farcasanu,R.I: "Sorption and Transport of Asulam in Soils" Envirnmental Engineering Research. 35. 137-144 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Farcasanu,R.I: "Simazine Sorption and Transport in Soils and Soil Particle Size Fractions" Journal of Environmental Chemistry. 8,4. 769-779 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Moldrup,P: "Modeling diffusion and reaction in soils" Soil Science. in press.

    • Related Report
      1998 Annual Research Report
  • [Publications] Poulsen,T.G: "Predicting soil-water and soil-air transport properties and their effects on soil vapor extraction" Ground Water Monitoring & Remediation. in press.

    • Related Report
      1998 Annual Research Report

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Published: 1998-04-01   Modified: 2016-04-21  

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