ここから本文です
TWO:

Membrane separation type solvent dehydration system

Great attention is recently being paid to global environmental issues, and it is now conceivable that companies will need to treat used solvents themselves. In consideration of this kind of social issue, we have developed a “membrane separation type solvent dehydration system,” which uses a polyimide membrane with superior dehydration properties developed by Ube Industries, Ltd. in combination with our own distillation and concentration technology that has resulted in solvents being more easily recovered.

THREE:I must go back to my house. An emigr is [468] hidden there. I alone know the secret of his hiding-place; if I do not let him out he will be starved to death.
  • 1Under the distillation system, even in case of azeotropic solvent compositions, this system which remove water vapor by the polyimide membrane will easily dehydrate.
  • 2In comparison with the distillation system, it significantly saves on use of steam.
  • 3Dehydration can be performed through merely supplying evaporated vapor to the membrane module and maintaining the differential pressure between the permeable side and the impermeable side.
  • 4Solvent purity of 99.9% or more can be achieved by carrying out dehydration with a polyimide membrane only.
  • 5The polyimide membrane has superior heat and solvent resistance. Therefore, the vapor permeation system reduces contamination of the membrane and thus extends its life.
THREE:It is difficult for those who are accustomed to think of Paris only as it is now, to picture to themselves at all what it was like in the eighteenth century; for until years after the Revolution it was, to all intents and purposes, a medi?val city.His life at Vienna was that of a grand seigneur of the most illustrious order, and on New Years day and on his fte, the crowd that flocked to his house to congratulate him was so enormous that he might have been supposed to be the Emperor himself.

The aromatic polyimide membrane is highly permeable to water vapor but less permeable to vapors of organic compounds such as alcohol etc.

THREE:Within the first few years of her marriage, Flicit had three childrentwo girls and a boy.Mme. de Fontenay became impatient, for the sittings appeared to be interminable, and at last M. de Fontenay begged several of his friends to go and look at the portrait of his wife and give their opinion while it was still in the studio. It was in consequence more crowded than usual one day when M. de Fontenay, being also present, was joining in a conversation going on about David and his pictures.
  • 1 Recovery of the detergent solvent Recovery of the cleaning solvent such as electronic parts industry, precision instrument industry.
  • 2Solvent recovery and the refinement Solvent recovery and the refinement such as chemical industry, an industry of medical supplies, food industry, the fermentation industry.
THREE:Paul DelarocheAt last they arrived at Moudon, her father led her into a room in the inn, closed the door and began by telling her as gently as possible that he had just lost his mother, the Marchale de Noailles. He stopped, seeing the deadly paleness of his daughter, who knew by his face that he had not told all.

Acetone, ethanol, methyl ethyl ketone, butanol, isopropyl alcohol, ethyl acetate, methyl isobutyl ketone, others (including hexane and toluene).