ここから本文です
TWO:196

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:The Prussians remained at Lobositz nearly a fortnight, to see if Marshal Browne would again attempt to force the defiles. The Saxon troops, for whose relief the Austrians were advancing, were about thirty miles farther north, on the south, or left408 bank of the Elbe. The news of the repulse of Marshal Browne at Lobositz fell disastrously upon their starving ranks. Maria Theresa was much distressed. She sent a messenger to her Austrian general to relieve the Saxons at whatever cost. A confidential messenger was dispatched through the mountains to the Saxon camp, which he reached in safety. He informed his Polish majesty that Marshal Browne, with a picked force of eight thousand, horse and foot, would march by a circuitous route of sixty miles, so as to approach Pirna from the northeast, where but a small Prussian force was stationed. He would be there without fail on the 11th of August.
  • 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:FREDERICK CONCENTRATING HIS ARMY AT CHRUDIM.

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

THREE:On the morning of the 17th of May Fredericks army was drawn out in battle array, facing south, near the village of Chotusitz, about fifteen miles west of Chrudim. Almost within cannon-shot of him, upon the same plain, near the village of Czaslau, facing north, was the army of Prince Charles. The field was like a rolling western prairie, with one or two sluggish streams running through it; and here and there marshes, which neither infantry nor cavalry could traverse. The accompanying map will give the reader an idea of the nature of the ground and the position of the hostile forces.
  • 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:My son must be impressed with love and fear of God, as the foundation of our temporal and eternal welfare. No false religions or sects of Atheist, Arian, Socinian, or whatever name the poisonous things have, which can so easily corrupt a young mind, are to be even named in his hearing. He is to be taught a proper abhorrence of papistry, and to be shown its baselessness and nonsensicality. Impress on him the true religion, which consists essentially in this, that Christ died for all men. He is to learn no Latin, but French and German, so as to speak and write with brevity and propriety.

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