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TWO:He laid the Clockwork man's hat and wig on the table. Gregg instantly picked them up and began examining them with great curiosity."But the proof," interjected Gregg, "you cannot escape from the facts. There lies the Clockwork man. Explain him otherwise if you can."

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:
  • 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:All day the work went forward as usual: there was a heavy budget to answer, and it was not till nearly six that Norah had her letters ready for his signature. He made no payment to her for such over-time work, for the balance was more often on the other side, and she got away before her time. As he passed her back the last of the batch, he said,

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

THREE:Mrs Keeling tried to recollect something about quarrels she had been party to. There was the case of the two little tiffs she had had lately with her husband, once when he had distinctly sworn at her, once when he had asked her so roughly what she meant with regard to her little joke about Norah and the catalogue. One of those, so it suddenly seemed to her now, had led to a pearl-pendant, which seemed to illustrate Alices theory of quarrels leading to warmer attachments. She had not connected the two before. She wondered whether Mrs Fyson would say that that was very clever too.... She determined to think it over when she had leisure. At present she was too curious about Alice to attend to it. But she would think it over at Brighton.{223}
  • 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:PfftPfftPfftPfftPfft

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