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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:"Bravely said and done, my stout yeoman!" said Sir Robert Knowles, who broke silence for the first time during the investigation: "and my Lord de Boteler," he continued, addressing the baron, "the arm that acquitted itself so well in your defence, you may be assured, could never have disgraced itself by midnight plunder."
  • 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:"Not much, 'squire.Stephen Holgrave, indeed, has got married, and, I'll warrant me, there will be a fine to do about it; for he has married a nief, and you know my lord is very particular about these matters:he told me, no longer ago than just before he went away this last time, that he would not abate a jot of his due, in the marriages or services of his bond-folk. To be sure the lass is sister of the monk who now shrieves the castle, and, as my lord thinks much of Holgrave, it may all blow over."

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

THREE:Reuben grumbled and muttered to himself as he crossed the thresholdsmall fry like these Jurys must[Pg 211] not be allowed to think that he had any time to spare. The young woman led him into the kitchen and offered him a seat. Reuben took it and crossed his legs, looking appraisingly round the room, which was poorly furnished, but beautifully kept, with some attempts at decoration. There was a print of Rossetti's "Annunciation" above the meal-chest, and a shelf of books by the fireplace. It all struck him as strange and rather contemptible. He remembered what he had been told about the Jurys, who had only just come to Cheat Land. Tom Jury had, so rumour said, kept a bookshop in Hastings, but trade had gone badly, and as his health demanded an outdoor life and country air, charitable friends had established him on a small holding. He had an invalid wife, and one daughter, who was not very strong eitheran ignoble family.
  • 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:The Tories were a little disconcertedthe toll-gate did not fit into their campaign. Tolls had always been unpopular in the neighbourhood, even though [Pg 180]Government-owned, and it was catastrophic that the enemy should suddenly have swooped down on the Colonel's private venture and rhymed it so effectively.Like Holgrave, Margaret was the offspring of the bond and the free. Her father had been a bondman attached to the manor of Sudley; and her mother a poor friendless orphan, with no patrimony save her freedom. Such marriages were certainly of rare occurrence, because women naturally felt a repugnance to become the mother of serfs; but still, that they did occur, is evidenced by the law of villeinage, ordaining that the children of a bondman and free woman should in no wise partake of their mother's freedom.

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