ここから本文です
TWO: But it is time to end this long, dreary letter. I have had some leisure, and have used it to open to you a heart filled with admiration and gratitude toward you. Yes, my adorable sister, if Providence troubled itself about human affairs, you ought to be the happiest person in the universe. Your not being such confirms me in the sentiments expressed in my epistle.

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:The Saxons were compelled to a precipitate retreat. Their march was long, harassing, and full of suffering, from the severe cold of those latitudes, and from the assaults of the fierce Pandours, every where swarming around. Villages were burned, and maddened men wreaked direful vengeance on each other. Scarcely eight thousand of their number, a frostbitten, starving, emaciate band, reached the borders of Saxony. Curses loud and deep were heaped upon the name of Frederick. His Polish majesty, though naturally good-natured, was greatly exasperated in view of the conduct of the Prussian king in forcing the troops into the severities of such a campaign. Frederick himself was also equally indignant with Augustus for his want of co-operation. The French minister, Valori, met him on his return from these disasters. He says that his look was ferocious and dark; that his laugh was bitter and sardonic; that a vein of suppressed rage, mockery, and contempt pervaded every word he uttered.
  • 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 aromatic polyimide membrane is highly permeable to water vapor but less permeable to vapors of organic compounds such as alcohol etc.

THREE:
  • 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:The king turned upon his heel, and, with angry voice and gesture, said, Saldern, you refuse to become rich.Frederick was overjoyed. He regarded the day as his own, and the Russian army as at his mercy. He sent a dispatch to anxious Berlin, but sixty miles distant: The Russians are beaten. Rejoice with me. It was one of the hottest of August days, without a breath of wind. Nearly every soldier of the Prussian army had been brought into action against the left wing only of the foe. After a long march and an exhausting fight, they were perishing with thirst. For twelve hours many of them had been without water. Panting with heat, thirst, and exhaustion, they were scarcely capable of any farther efforts.

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