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TWO:Happy the people, says Montesquieu, whose annals are blank in history books. The annals of the nations are mainly composed of wars, tumult, and woe. For ten years Prussia enjoyed peace. During this happy period, when the days and the years glided by in tranquillity, there is little left for the historian to record. Frederick engaged vigorously in repairing the ruins left by the war. The burned Silesian villages were rebuilt; debts were paid; agriculture and commerce encouraged; the laws revised and reformed. A decree was issued that all lawsuits should be brought to a decision within a year after their beginning.

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:160 After this interview the Crown Prince hurried away on his route to Philipsburg. He reached Nürnberg that night, where he wrote the following brief but affectionate letter to his sister:On the 14th of August Frederick had reached Liegnitz. His foes surrounded him in such numbers that escape seemed impossible, and destruction sure. General Loudon, with thirty-five thousand allies, was scarcely a mile east of him. General Lacy, with an immense swarm of cavalry, was at the distance of but a few thousand yards on the west. General Daun, with his immense army, approaching from the southwest, had taken possession of Liegnitz. Frederick was encamped upon some heights a few miles east of the city. To human view, the position of his Prussian majesty was desperate.
  • 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:These solemn tones of sacred psalmody fell impressively upon the ear of the king when his earthly all was trembling in the balance. Religionless and atheistic as he was, he could not repress some visible emotion. One of his officers, aware of the kings avowed contempt for every thing of a religious nature, inquired,

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

THREE:Spain was at war with England, and was ready to enter into an alliance with any power which would aid her in her struggle with that formidable despot of the seas.
  • 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:

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