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:CHAPTER IV. THE PROBLEMS OF PENOLOGY.
  • 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:Banishment, it would seem, should be employed[181] in the case of those against whom, when accused of an atrocious crime, there is a great probability but not a certainty of guilt; but for this purpose a statute is required, as little arbitrary and as precise as possible, condemning to banishment any man who shall have placed his country in the fatal dilemma of either fearing him or of injuring him, leaving him, however, the sacred right of proving his innocence. Stronger reasons then should exist to justify the banishment of a native than of a foreigner, of a man criminated for the first time than of one who has been often so situated.But if penal laws thus express the wide variability of human morality, they also contribute to make actions moral or immoral according to the penalties by which they enforce or prevent them. For not[74] only does whatever is immoral tend to become penal, but anything can be made immoral by being first made penal; and hence indifferent actions often remain immoral long after they have ceased to be actually punishable. Thus the Jews made Sabbath-breaking equally immoral with homicide or adultery, by affixing to each of them the same capital penalty; and the former offence, though it no longer forms part of any criminal code, has still as much moral force against it as many an offence directly punishable by the law.

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

THREE:In France Beccarias book became widely popular, and many writers helped to propagate his ideas, such as Servan, Brissot, Lacretelle, and Pastoret. Lacretelle attributes the whole impulse of criminal law reform to Beccaria, while regretting that Montesquieu had not said enough to attract general attention to the subject. His book is said to have so changed the spirit of the old French criminal tribunals, that, ten years before the Revolution, they bore no resemblance to their former selves. All the younger magistrates gave their judgments more according to the principles of Beccaria than according to the text of the law.[21][35] The result of the agitation appeared in the Royal Ordinances of 1780 and 1788, directed to the diminution of torture, the only reforms which preceded the Revolution. It is said that the last time anyone was tortured in France was in the year 1788, the last year of the ancien rgime. At the very beginning of the Revolution more than a hundred different offences ceased to incur the penalty of death.
  • 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:Any action that is not included between the two above-indicated extremes can only be called a crime or punished as such by those who find their interest in so calling it. The uncertainty of these limits has produced in different nations a system of ethics contrary to the system of laws, has produced many actual systems of laws at total variance with one another, and a quantity of laws which expose even the wisest man to the severest penalties. Consequently the words virtue and vice have become of vague and variable meaning, and from the uncertainty thus surrounding individual existence, listlessness and a fatal apathy have spread over political communities.

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