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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:You have reason to curse your mother, for it is she who causes your being an ill-governed fellow. I had a preceptor, continued he, who was an honest man. I remember always a story which he told me in his youth. There was a man at Carthage who had been condemned to die for many crimes he had committed. While they were leading him to execution he desired he might speak to his mother. They brought his mother. He came near, as if to whisper something to her, and bit away a piece of her ear. I treat you thus, said he, to make you an example to all parents who take no heed to bring up their children in the practice of virtue. Make the application, continued he, always addressing my brother; and, getting no answer57 from him, he again set to abusing us till he could speak no longer.
  • 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:The betrothed princess, bewildered, wounded, heart-broken, returned with her parents to her home, there to await the consummation of her sacrifice by being married to a man who had never addressed to her a loving word, and who, in his heart, had resolved never to receive her as his wife. The Crown Prince, unfeeling and reckless, returned to his dissolute life in garrison at Ruppin. The queen continued an active correspondence with England, still hoping to break the engagement of her son with Elizabeth, and to secure for him the Princess Amelia.

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

THREE:A smile flitted across Kattes pallid features as he replied, Death is sweet for a prince I love so well. With fortitude he ascended the scaffold. The executioner attempted to bandage his eyes, but he resisted, and, looking to heaven, said, Father, into thy hands I surrender my soul! Four grenadiers held Fritz with his face toward the window. Fainting, he fell senseless upon the floor. At the same moment, by a single blow, Kattes head rolled upon the scaffold. As the prince recovered consciousness, he found himself still at the window, in full view of the headless and gory corpse of his friend. Another swoon consigned him to momentary unconsciousness.16It was a sore calamity to Frederick. Had General Schmettau held out only until the next day, which he could easily have done, relief would have arrived, and the city would have been saved. Frederick was in a great rage, and was not at all in the mood to be merciful, or even just. He dismissed the unfortunate general from his service, degraded him, and left him to die in poverty.
  • 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:Yes, the king replied. I swear it to you, DArget. In a word, I want to have some good of my life. What are we, poor human atoms, to get up projects that cost so much blood!

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