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TWO:"Nonsense!" answered Si. "We've done enough for one day. I've bin up for two nights now, and am goin' to have a rest. Let some o' the other fellers have a show for their money. We haint got to fight this whole war all by ourselves."

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:Just then the silver-voiced bugles in hundreds of camps on mountain-sides, in glens, in the valleys, and on the plains began ringing out sweetly mournful "Taps," and the echoes reverberated from the towering palisades of Lookout to the rocky cliffs of the Pigeon Mountains."Look," Dodd said. "The Confederation needs the metal. It exists pure here, and in quantity. But if they knew, really knew, how we mined and smelted and purified it and got it ready for shipment...."
  • 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:"Don't be sil"The other elder, leaning forward from the waist, peered at Cadnan. His eye was larger than normal, and glittering cold. Cadnan, awestruck, neither spoke nor moved, and the elder regarded him for a time and then said abruptly: "Not all are called to the truth."

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:"O, Maria, come off. Cheese it. Dry up," said Si impatiently. "Take us somewhere where we kin git somethin' to eat. Your tongue's hung in the middle, and when you start to talkin' you forgit everything else. I'm hungrier'n a bear, and so's Shorty.""Corporal."

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