ここから本文です
TWO:The strong affection between Alexander I. and his mother lasted as long as she lived.

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:It was before the death of Louis XV., the court was at Compigne, and the young Prince, since his marriage was decided, had been less strictly looked after by the Comte de Montbel, his sous gouverneur, who would not usually allow him to go alone into the thicker parts of the forest, not because of wild beasts but of other not less dangerous encounters which were possible.The hand of Charlotte Corday had sent Marat to his own place; Danton and Camille Desmoulins, beginning to have some slight glimmerings of mercy and humanity, had been denounced and executed; Robespierre was still triumphant, with his friends and satellites, Couthon, St.-Just and David. With them and Foulquir-Tinville, Paris was like hell upon earth. Long lists of victims, numbers of whom were women, went every day to the guillotine; the populace were getting weary of blood and slaughter. Again Tallien [331] made an attempt to get the release of Trzia, even suggesting that it was time to stop the murder of women. Even David agreed; but Robespierre was inexorable.
  • 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:The demi-monde at that time kept themselves apart from the rest of the company; Frenchmen of good position and manners did not appear with them in public. If they were with them at the theatre it was in a closed box; though in her Souvenirs Mme. Le Brun declares that the fortunes made by them and the men ruined by their extravagance far surpassed anything of the kind after the Revolution.

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

THREE:DIRECTLY M. and Mme. de Montagu got to London they heard of the death of Paulines aunt, the Duchesse de Lesparre, another grief for her; but really at that time for any one to die peacefully among their own people was a subject of thankfulness to them all.
  • 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:

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