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1997 Fiscal Year Final Research Report Summary

Development of Separation Process for Potential Gasoline Additives by Pervaporation

Research Project

Project/Area Number 08555190
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 反応・分離工学
Research InstitutionOSAKA UNIVERSITY

Principal Investigator

TONE Setsuji  OSAKA.UNIV., DEPT.OF CHEM.SCI.ENG., PROFESSOR, 大学院・基礎工学研究科, 教授 (40029418)

Co-Investigator(Kenkyū-buntansha) NAKATSUKA Syuji  DAICEL CHEMICAL INDUSTRIES LTD., RESEARCHER, 研究員
MASAWAKI Teruyuki  OSAKA.UNIV., DEPT.OF CHEM.SCI.ENG., ASSOCIATE PROFESSOR, 大学院・基礎工学研究科, 助教授 (10209421)
Project Period (FY) 1996 – 1997
KeywordsMembrane separation / Pervaporation / DMC / TAME / MTBE / Process simulation / Methanol / Organic-inorganic hybrid membrane
Research Abstract

The octane-enhancers such as Dimethyl carbonate (DMC), t-Amyl methyl ether (TAME) and Methyl-t-butyl ether (MTBE) have attracted much attention in recent years as a potential gasoline additive. These octane-enhancers are produced by essentially the reaction with methanol (MeOH) over an acidic catalyst. As the reaction is reversible, it is required to separate unreacted MeOH from the product solution for recycling to the reactor. However, MeOH forms an azeotrope with these octane-enhancers, which is difficult to separate by distilllation.As one promising separation technology from view of energy-saving point, pervaporation using hydrophilic membranes have been applied to preferentially permeate MeOH from MeOH-organic mixtures.
In pervaporation of water-alcohol mixtures, the hydrolyzed polyacrylonitrile and polyion complex membranes, which are hydrophilic membranes were found to provide with high flux and emhanced separation factor. These membranes was also effective for the separation of MeOH from the azeotropic MeOH-DMC or TAME mixture. From the father investigation, the organic-inorganic hybrid membrane was useful to the separation of MeOH-MTBE mixture.
Moreover, the energy efficiency was evaluated by using simulator and the process with membrane separation was found to be available for the production of MTBE.

  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] Phan Do Hung: "浸透気化法によるジメチルカーボネート/メタノール混合物からのジメチルカーボネートの分離" 化学工学論文集. 23. 733-737

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Phan Do Hung: "Pervaporation Separation of Methanol from Methanol t-Amyl Methyl Ether Mixture by Polyion Complex Membrane" J.Chem.Eng.Japan. 31. 488-493

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Setsuji Tone: "Separation of Dimethylcarbonate-Methanol Mixture by pervaporation through Poly (dimethylsiloxane) Membrane" Proc.of The 1996 International Congress on Membrane and Membrane Processes,. 226-227

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Setsuji Tone: "Separation of tert-Amyl Methanol Ether-Methanol Mixture by Pervaporation" Proc.of International Membrane Science and Technology Conference '96. 567-569

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Phan Do Hung: "Separation of Dimethylcarbonate from Dimethylcarbonate-Methanol Mixture by Pervaporation" Kagaku Kogaku Ronbunsyu. 23. 733-737 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Phan Do Hung: "Pervaporation separation of Methanol from Methanol-t-Amyl Methyl Ether Mixture by Polyion Complex Membrane" J.Chem.Eng.Japan. 31, in press. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Setsuji Tone: "Separation of Dimethylcarbonate-Methanol Mixture by Pervaporation through Poly dimethylsiloxane Membrane" Proc.of The 1996 International Congress on Membrane and Membrane Processes. 226-227 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Setsuji Tone: "Separation of tert-Amyl Methanol Ether-Methanol Mixture by Pervaporation" Proc.of International Membrane Science and Technology Conference '96. 567-569 (1996)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-16  

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