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TWO:No answer still.

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:He believed that he had no ties now, that friendships, the love of woman, and the kiss of children all had missed him, and that his, thenceforth, must be but vain regret. So far as he knew, Felipa had gone away without ever having received his letter. The man he had intrusted it to had been killed in the Aravaypa Ca?on: that he was certain of; and it never entered his head that his papers might have fallen into other hands, and the note have finally been delivered to her. She was leading the sort of life that would most quickly put him entirely out of her mind. He was taking the Washington papers, and he knew. She had gone away, not even sure that he had given her a thought since the night in the Sierra Blanca when Black River had roared through the stillness, and they had been alone in all the wild world. What a weird, mysterious, unearthly scene it had been, quite outside the probabilities of anything he had imagined or contemplated for a single minute. He had never regretted it, though. He believed in impulses, particularly his own.
  • 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:With the sublime indifference to the mockery of the world, characteristic of his race, Cairness kept at it. It was ridiculous. He had time to be dimly aware of that. And it certainly was not war. He did not know that they were affording the opposing forces much enjoyment. He had not even observed that the firing had stopped. But he meant to catch that much qualifiedly impudent little beast, or to know the reason why. And he would probably have known the reason why, if one of the Apache scouts, embarrassed by no notions of fair play, had not taken good aim and[Pg 233] brought his youthful kinsman down, with a bullet through his knee.

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

THREE:"Is it because you think you ought to, or because you really want me?" She was looking at him steadily now, and he could not have lied to her. But the slender hand was warm and clinging, the voice low and sweet, the whole scene so cosey and domestic, and she[Pg 52] herself seemed so much more beautiful than ever, that he answered that it was because he wanted her—and for the moment it was quite true. Had so much as a blush come to her cheek, had she lowered her earnest gaze, had her voice trembled ever so little, it might have been true for all time. But she threw him back upon himself rudely, with an unfeminine lack of tact that was common with her. "Then I will marry you whenever you wish," she said."You give me what no one else could give—the best things in life."
  • 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:She shook her head. "It is the first you have known of it, Jack," she said; "but I have known it for a long while, and I have not been unhappy.""I beg your pardon, madam," he said. "It happens to be my business, though."

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