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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 meant the north side, opposite that one by which we had come from church. Here the landscape was much the same as there; wide fields on each side the fenced highway that still ran north and south, and woods for the sky-line everywhere. We chose an easy footpath along the northern fence of the grove, crossed the highway, and passed on a few steps alongside the woods-pasture fence. We talked as we went, he giving the kindest heed to my every word though I could see that, like any good soldier, he was scanning all the ground for its fighting values, and, not to be outdone, I, myself, pointed out, a short way up the public road, a fence-gap on the left, made by our camping soldiers two nights before. It was at another such gap, in the woods-pasture fence, that we turned back by a path through it which led into the wood and so again toward the highway and the house-grove. The evening General Austin sent me to Wiggins it was at this gap that I saw old Dismukes sitting cross-legged on the ground, playing poker; and here, now, I summoned the desperation to speak directly to my point.Besides, there was Arthur Wither's story about the flapping ears and the queer conversation of the Clockwork man, his peculiar[Pg 43] jerky movements, his sudden exhibitions of uncanny efficiency contrasted with appalling lapses. Once you had grasped the idea of his mechanical origin, it was difficult to thrust the Clockwork man out of your head. He became something immensely exciting and suggestive. If Gregg's sense of humour had not been so violently tickled by the ludicrous side of the affair, he would have felt already that some great discovery was about to be revealed to the modern world. It had never occurred to him before that abnormal phenomena might be presented to human beings in the form of a sort of practical joke. Somehow, one expected this sort of thing to happen in solemn earnest and in the dead of night. But the event had taken place in broad daylight, and already there was mixed up with its queer unreality the most ridiculous tangle of purely human circumstance.
  • 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:They found a large and well-lighted room in the centre of the house; and, as before stated, near the entrance. In the middle of this room there was a raised platform, with some little furnaces set in the floor. On this floor the cooking of some fish was going on under the supervision of a woman, who was watching to see that everything progressed satisfactorily. A few pots and pans were visible, but not a tenth of the number that would be found in the kitchen of a hotel of similar capacity in America. The Japanese cookery is not elaborate, and therefore only a few articles are required for it. A small fire in a brazier that could be carried in the hand is all that is needed to offset the enormous ranges with which we are familiar. From the roof two or three safes are hung for the preservation of such things as the dogs and cats might take a fancy to. At first glance they are frequently taken for bird-cages, and this mistake was made by Fred, who innocently remarked that he wondered what kind of birds they kept there.
  • 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:"He is not hunting her; yet, should he find her, I have the fear he would do his duty as a soldier, anyhow. No, he was looking, I think, for Ferry's scouts.""Smith, he's out here to make a new record for himself, at whatever cost!"

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