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超臨界流体の溶液構造の解明

Research Project

Project/Area Number 04238105
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Research InstitutionKyoto University

Principal Investigator

中西 浩一郎  京都大学, 工学部, 教授 (80025890)

Co-Investigator(Kenkyū-buntansha) 安達 義則 (足達 義則)  中部大学, 経営情報学部, 助教授 (00115669)
猪股 宏  東北大学, 工学部, 助教授 (10168479)
新田 友茂  大阪大学, 基礎工学部, 助教授 (00029480)
梶本 興亜  京都大学, 理学部, 教授 (30029483)
宮野 善盛  岡山理科大学, 工学部, 助教授 (80109743)
Project Period (FY) 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥80,000,000 (Direct Cost: ¥80,000,000)
Fiscal Year 1994: ¥20,000,000 (Direct Cost: ¥20,000,000)
Fiscal Year 1993: ¥30,000,000 (Direct Cost: ¥30,000,000)
Fiscal Year 1992: ¥30,000,000 (Direct Cost: ¥30,000,000)
Keywords超臨界流体 / 溶液構造 / 二酸化炭素 / 分子シミュレーション / 分子間ポテンシャル / クラスター / 時間分解スペクトル / 細孔吸着
Research Abstract

本研究では前二年に引き続き、本年度においても超臨界流体(SCF)に関する基礎研究として、分光学的方法を用いた研究と分子シミュレーションによる研究とを互いに連携を保ちながら実施した。これらは合計7項目の研究計画から成るが、すべて超臨界流体中のクラスターに着目した解析を行なっている。これらを区分して概要を示すと以下のようになる。(1)実験的研究:分光学的方法と回析法による研究が行われ、猪股は共溶媒効果を調べるためCO_2-C_6H_6-ROH系でIR測定を行い、新田は界面の問題としてFTIR法によりシリカゲルに呼着したSCFの特異性を検討している。梶本はホールバーニングの手法によるクラスターの動力学を調べるためピコ秒レーザーシステムを製作し、ベンゾニトリル-CF_3H系などで測定を行い、さらに時間分解蛍光スペクトル法により電子移動反応を調べ、両者とも速いタイムスケールでの実験の重要性を確認している。(2)計算化学的研究:その中心は分子動力学(MD)法とモンテカルロ(MC)法にあるが、関連してポテンシャルの問題、理論的研究も行った。中西はCO_2-ナフタレンの分子対ポテンシャルについて高度の分子軌道計算を継続している。MD計算は公募班と平行して行われたが、猪股がC_6H_6/CO_2、中西がナフタレン/CO_2について臨界領域を含め計算し、それぞれクラスターの構造とダイナミックスを主として論じている。一方MC計算は足達が純一成分系でC_6H_6、新田が吸着相でのC_6H_6/CO_2についてそれぞれ解析を進めている。この他SCF中の溶質周囲のクラスター構造について総合的に調べる研究がA02班との協力で積分方程式の方法とMC計算を用いて進められた.以上の各研究によってSCF中のクラスターについて詳細で一般的な知見が得られた。

Report

(3 results)
  • 1994 Annual Research Report
  • 1993 Annual Research Report
  • 1992 Annual Research Report
  • Research Products

    (36 results)

All Other

All Publications (36 results)

  • [Publications] K.Nakanishi: "A New Potential Model for Carbon Dioxide from Ab Initio Calculation" Molec.Simulation. 12. 343-354 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Nakanishi: "A Monte Carlo Study of Argon Fluid Around a Benzene Molecule" Molec. Simulation. 12. 355-364 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] O.Kajimoto: "Solvent-Induced Shift of the Raman Spectra in Supercritical Fluids. I. Solvent and Its Density Dependence" J. Phys. Chem.(1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Nitta: "Monte Carlo Simulations of PVT Relations and Adsorption Equilibria of Ethane under Sub- and Supercritical Conditions" J.Chem.Eng.Jpn.27. 228-234 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Nitta: "Monte Carlo Simulations of Adsorption in a Slitlike Pore for Binary Mixtures of Butane and Carbon Dioxide atSupercritical Conditions" Fluid Phase Equilibria. 104. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] H.Inomata: "Molecular Dynamics Study on Solvent Clustering in Supercritical Fluid Solutions Based on Particle Radial Kinetic Energy" Fuid Phase Equilibria. 104. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] 梶本興亜: "有機反応論の最前線" 東京化学同人(印刷中), (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] 中西 浩一郎: "Lennard-Jones=成分混合流体の過剰エンタルピーの温度.圧力.依存性" 熱測定. 20. 2-6 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 足達 義則: "Monte Carlo Study of Local Structures in Benzene-Methanol Mixtures" Fluid Phase Equilibria. 83. 69-76 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 田中 秀樹: "Structure of Aqueous Solutions of Amphiphiles" Fluid Phase Equilibria. 83. 77-84 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 林 治尚: "A Study of Conformational Equilibria in Chain Molecules,I." Molecular Simulation. 9. 401-415 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 宮野 善盛: "Equation of State for Lennard-Jones Pure Fluids Applicable in a very wide Temperature Range" Fluid Phase Equilibria. 85. 71-80 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 中西浩一郎: "日本化学会編 改訂4版「化学便覧」基礎編" 丸善, 762 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] K.B.Domanski: "The Peculiar potential surface of the carbon dioxide dimer" Chem.Phys.Lett.199. 525-529 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] A.Kido: "Can the ¨van der Waals loop¨vanish?" Chem.Phys.Lett.199. 403-407 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Nishimura: "Caluculation of Vapor-liquid Equilibria of Lennard-Jones Binary Systems by the Gibbs Ensemble Monte Carlo Simulation" Molecular Simulation. 8. 297-304 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Nitta: "Gas-Phase Adosorption Characteristics of High-Surface Area Carbon Activated from Meso-Carbon Micro-Beads" J.Chem.Eng.Japan. 25. 176-182 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Nitta: "A Hydrid-Isotherm Equation for Mobile Molecules Adosorbed on Heterogeneous Surface of Random Topography" J.Chem.Eng.Japan. 25. 420-426 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 新田 友茂: "超臨界流体の特徴と物性推算" 化学工学. 56. 890-895 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Nitta: "Monte Carlo Simulation of Adosorption of Gases in Carbonaceous Slitlike Pores" J.Chem.Eng.Japan,.

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Nitta: "Effect of Surface topography on Adosorption Isotherms of Mobile Molecules:Comparison of Patchwise and Random Surfaces" Langmuir,.

    • Related Report
      1992 Annual Research Report
  • [Publications] Y.Naitoh: "Photodissociation of the NO dimer at 193 nm photolysis of phenyisilane" Chem.Phys.Lett.,.

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Ishkawa: "Vibrational analysis of electronically excited SiH_2(A^1B_1)" J.Mol.Spectrocs.,.

    • Related Report
      1992 Annual Research Report
  • [Publications] Y.Naitoh: "Photodissociation of the NO dimer:Rotational energy distribution and alignment of the NO(B)fragments" Chem.Phys.Lett.190. 135-138 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] B.Ragunath: "Phase Equilibria of Supercritical CO_2-Fatty Oil Component Binary Sysytems" Fluid Phase Equilibria,.

    • Related Report
      1992 Annual Research Report
  • [Publications] 八木: "超臨界二酸化中での安息香酸の二量化" 化学工学シンポジウムシリーズ.

    • Related Report
      1992 Annual Research Report
  • [Publications] リュウ: "分子動力学法(MD)による超臨界流体中の溶質分子周囲の溶液状態の検討" 化学工学シンポジウムシリーズ.

    • Related Report
      1992 Annual Research Report
  • [Publications] 本郷: "気液・液液平衡の測定と推算" 熱物性.

    • Related Report
      1992 Annual Research Report
  • [Publications] Y.Yagi: "Tautomerization of 2,4-penpanedione in Supercritical CO_2" J.Chem.Eng.Japan. 26. 116-118 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Tsugane: "Dimerization of Benzoic Acid in Saturated Solution of Supercritical Carbon Dioxide" J.Chem.Eng.Japan. 25. 351-353 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Y.Adachi: "Monte Carlo study of local structures in benzene-methanol mixtures" Fluid Phase Equilibria.

    • Related Report
      1992 Annual Research Report
  • [Publications] Koichiro Nakanishi: "Str1cture and Dynamics of Solutions" Elsevier, 35 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 中西 浩一郎: "新しい水の科学と利用技術" サイエンス・フォーラム, 8 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 加藤 滋雄: "新体系化学工学「分離工学」" (株)オーム社, 184 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Okitsugu Kajimoto: "Dynamics and Mechanisms of Photoinduced Electron Transfer and Related Phenomena" Elsevier, 10 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Kenji Honma: "Dynamics and Mechanisms of Photoinduced Electron Transfer and Related Phenomena" Elsevier, 8 (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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