ここから本文です
TWO:

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:When the visit to Paris was contemplated it was a question of either not going at all or of leaving Teresa behind; there was not money enough for her to travel too. For Beccaria, though the son of a marquis and of noble origin, was not rich. When in his twenty-third year he married Teresa, his father was so opposed to the match on the score of insufficiency of fortune, that for some time after the marriage he refused to receive the young couple into his house, and they lived in considerable poverty. Appeal had even been made to the Government itself to break off, if possible, so unsuitable a match; but the lovers had their own way, of course, in the end, though it was not for some time that the domestic quarrel was healed, and then, it appears, through the mediation of Pietro Verri.
  • 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:In these Notes and Observations Beccaria and his work were assailed with that vigour and lucidity for which the Dominican school of writing has always been so conspicuous. The author was described as a man of narrow mind, a madman, a stupid impostor, full of poisonous bitterness and calumnious mordacity. He was accused of writing with sacrilegious imposture against the Inquisition, of believing that religion was incompatible with the good government of a state; nay, he was condemned by all the reasonable world as the enemy of Christianity, a bad philosopher, and a bad man. His book was stigmatised as sprung from the deepest abyss of darkness, horrible, monstrous, full of poison, containing miserable arguments, insolent blasphemies, and so forth.In every criminal case a judge ought to form a complete syllogistic deduction, in which the statement of the general law constitutes the major premiss; the conformity or non-conformity of a particular action with the law, the minor premiss; and acquittal or punishment, the conclusion. When a judge is obliged, or of his own accord wishes, to make even no more than two syllogisms, the door is opened to uncertainty.

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

THREE:Such was the reasoning which for nearly half a century governed the course of English history, and which for all that time it was a heresy to dispute.Whoever, then, I repeat, will honour me with his criticisms, let him not begin by supposing me to advocate principles destructive of virtue or religion, seeing that I have shown that such are not my principles; and instead of his proving me to be an infidel or a[116] rebel, let him contrive to find me a bad reasoner or a shortsighted politician; but let him not tremble at every proposition on behalf of the interests of humanity; let him convince me either of the inutility or of the possible political mischief of my principles; let him prove to me the advantage of received practices. I have given a public testimony of my religion and of my submission to my sovereign in my reply to the Notes and Observations; to reply to other writings of a similar nature would be superfluous; but whoever will write with that grace which becomes honest men, and with that knowledge which shall relieve me from the proof of first principles, of what character soever, he shall find in me not so much a man who is eager to reply as a peaceable lover of the truth.
  • 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).