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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:"Say, cul," said the Englishman, in the friendliest sort of way, "w'at was ye wantin' around among my men?"
  • 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:"They was lost in that shuffle back there in the depot," said Shorty. "Lucky it wa'n't more. Wonder that we ever got through as well as we did.""Si Klegg, of the 200th Ind., and Shorty, his Partner," were born years ago in the brain of John McElroy, Editor of The National Tribune.

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

THREE:"You have come to me," Cadnan said. "You have been sent to me. Is this what you call chosen?"
  • 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:"Come, Bradshaw," said Si gently, taking hold of him, "I'll show you. Now you stand right here. Put your heels together. Now turn your toes out. Throw your shoulders back this way. Close your mouth. Put your little fingers on the seams of your pantaloons that way. Now stand just so.""O, he's trying to keep them fresh young kids from blowin' themselves into Kingdom Come with the rebel guns," answered one of the veterans indifferently, and they resumed their shoveling.

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