ここから本文です
TWO:Countless times his nerves had been pulled by sounds which turned out on second thought to be only the contracting of the hot metal, subjected to the sun all day, as the evening breeze robbed it of its warmth.Hed fly over that swamp and see if the other belt had fallen out of the seaplaneand hed need a pilotso he got Jeff! Dick put the finishing touch to the revelation. Larry kept Tommy busy, so Mr. Whiteside got Jeff.

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:At this point the advance of the Prussians was unexpectedly checked. After the capture of Verdun, on the 2nd of September, they had spread themselves over the plains of the Meuse, and occupied, as their main centre, Stenay. Dumouriez and his army lay at Sedan and in its neighbourhood. To reach him and advance on Chalons in their way to Paris, the Allies must pass or march round the great forest of Argonne, which extends from thirteen to fifteen leagues, and was so intersected with hills, woods, and waters, that it was at that time impenetrable to an army except through certain passes. These were Chne-Populeux, Croix-aux-Bois, Grand Pr, La Chalade, and Islettes. The most important were those of Grand Pr and Islettes, which however were the two most distant from Sedan. The plan therefore was to fortify these passes; and in order to do this Dumouriez immediately ordered Dillon to march forward and occupy Islettes and La Chalade. This was effected; a division of Dillon's forces driving the Austrian general, Clairfayt, from the Islettes. Dumouriez followed, and occupied Grand Pr, and General Dubouquet occupied Chne-Populeux, and sent a detachment to secure Croix-aux-Bois between Grand Pr and Chne-Populeux.
  • 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:At noon Landor got his orders. He was to leave at four o'clock, and when he told Felipa she planned for dinner at three, with her usual manner of making all things as pleasant as possible, and indulging in no vain and profitless regrets. "We may as well have Mr. Brewster and Nellie McLane, too," she decided, and went off in search of them, bareheaded and dancing with excitement. She dearly loved rumors of war. The prospect of a scout was always inspiriting to her.

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:"What is he doing here?"

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