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TWO:CHAPTER XLV. A CHASE.

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:Standard gauging implements were introduced about the year 1840, by the celebrated Swiss engineer, John G. Bodmer, a [148]man who for many reasons deserves to be considered as the founder of machine tool manufacture. He not only employed gauges in his works to secure duplicate dimensions, but also invented and put in use many other reforms in manipulation; among these may be mentioned the decimal or metrical division of measures, a system of detail drawings classified by symbols, the mode of calculating wheels by diametric pitch, with many other things which characterise the best modern practice.But there was nothing to be gained by going back. With the diamonds stuffed in his pocket, Balmayne returned to the dining-room. Maitrank sat on the sofa with his head between his hands moaning to himself. He had slipped off his heavy sable-lined overcoat, for the atmosphere of the room was oppressive.
  • 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 houses were on fire, and every now and then walls fell down with a roar of thunder, shrouding the greater part of the street in a thick cloud of suffocating smoke and dust. Sometimes I had to run to escape from the filthy mass. On several walls an order was written in chalk directing the men to come to the market-place to assist in extinguishing the fire, and the women to stay indoors. As soon as the order had been obeyed the Germans drove the men from the market to the station, where they were packed in trucks like cattle.

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

THREE:He saw nothing of the murderous look in the eyes of his companion. Nobody had seen him enter the house, nobody even knew that he was in London. All the servants had gone to bed. Lalage had by her hand an accomplice ready for anything.
  • 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:"If you don't drink with us you are not our friend." At the same time he beat the ground with his rifle-butt and, willy-nilly, I had to drink.

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