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TWO:When she was able to be up, Cairness went in to see her. She was sitting on a chair, and looking sulkily out of the window. "You got me jailed all right," she sneered, "ain't you?" and she motioned to the grating of iron.It was plain, even to Felipa, how thoroughly he enjoyed being with one who could talk of the past and of the present, from his own point of view. His Coventry had been almost complete since the day that the entire army, impersonated in Crook, had turned disapproving eyes upon him once, and had then looked away from him for good and all. It had been too bitter[Pg 310] a humiliation for him ever to subject himself to the chance of it again.

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:"Well done!" the officer commended. "But considering how it has heated you, you ought to have saved it for some one upon whom it would have had its effect—some one who wasn't round at the time of the Aravaypa Ca?on business, for instance."
  • 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:But he kept a close watch upon her then and during all the hard, tedious march back to the States, when the troops and the scouts had to drag their steps to meet the strength of the women and children; when the rations gave out because there were some four hundred Indians to be provided for, when the command ate mescal root, digging it up from the ground and baking it; and when the presence of a horde of filthy savages made the White-man suffer many things not to be put in print.

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:There was a long pause. A hawk lighted on a point of rock and twinkled its little eyes at them. Two or three squirrels whisked in and out. Once a scout came by and stood looking at them, then went on, noiselessly, up the mountain side.

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