ここから本文です
TWO:[453][402]

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:Such were the conditions on which this great contest was finally terminated. The Americans clearly had matters almost entirely their own way, for the English were desirous that everything should now be done to conciliate their very positive and by no means modest kinsmen, the citizens of the United States. It was, in truth, desirable to remove as much as possible the rancour of the American mind, by concessions which England could well afford, so as not to throw them wholly into the arms of France. The conditions which the Americans, on their part, conceded to the unfortunate Royalists consisted entirely of recommendations from Congress to the individual States, and when it was recollected how little regard they had paid to any engagements into which they had entered during the warwith General Burgoyne, for examplethe English negotiators felt, as they consented to these articles, that, so far, they would prove a mere dead letter. They could only console themselves with the thought that they would have protected the unhappy Royalists, whom Franklin and his colleagues bitterly and vindictively continued to designate as traitors. Franklin showed, on this occasion, that he had never forgotten the just chastisement which Wedderburn had inflicted on him before the Privy Council for his concern in the purloining of the private papers of Mr. Thomas Whateley, in 1774. On that occasion, he laid aside the velvet court suit, in which he appeared before the Council, and never put it on till now, when he appeared in it at the signing of the Treaty of Independence.
  • 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:As the woollen manufactures of Ireland had received a check from the selfishness of the English manufacturers, it was sought to compensate the Protestants of Ulster by encouraging the linen manufacture there, which the English did not value so much as their woollen. A Board was established in Dublin in 1711, and one also in Scotland in 1727, for the purpose of superintending the trade, and bounties and premiums on exportation were offered. In these favourable circumstances the trade rapidly grew, both in Ireland and Scotland. In 1750 seven and a half million yards of linen were annually woven in Scotland alone.Whilst these proceedings were in agitation, the Tory and Jacobite party, which had at the king's accession appeared stunned, now recovering spirit, began to foment discontent and sedition in the public mind. They got the pulpits to work, and the High Church clergy lent themselves heartily to it. The mobs were soon set to pull down the meeting-houses of the Dissenters. Many buildings were destroyed, and many Dissenters insulted. They did not pause there, but they blackened the character of the king, and denied his right to the Crown, whilst the most fascinating pictures were drawn of the youth, and grace, and graciousness of the rightful English prince, who was wandering in exile to make way for the usurper. To such a length did matters go, that the Riot Act, which had been passed in the reign of Mary, and limited to her own reign, which was again revived by Elizabeth, and had never since been called into action, was now made perpetual, and armed with increased power. It provided that if twelve persons should unlawfully assemble to disturb the peace, and any one Justice should think proper to command them by proclamation to disperse, and should they, in contempt of his orders, continue together for one hour, their assembling should be felony without benefit of clergy. A subsequent clause was added, by which pulling down chapels or houses, even before proclamation, was made subject to the same penalties. Such is the Act in force at this day.

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

THREE:Meanwhile, the Highland army was continuing its retreat. On the 20th of December they left Carlisle, and crossed into Scotland by fording[103] the Esk. On the 26th Lord George entered Glasgow, and Charles, with the other division, on the 27th. At Glasgow the prince and the army lay for seven days to rest, and to levy contributions of all kinds of articles of apparel for the soldiers. On the 3rd of January, 1746, the same day that Cumberland left Carlisle for London, Charles marched his army out of Glasgow, new clad and new shod, for Stirling. The next day he took up his quarters at the house of Bannockburn, and distributed his men through the neighbouring villages, Lord George Murray occupying Falkirk. Lords Strathallan and Drummond soon arrived from Perth with their united force, attended by both battering-guns and engines from France.
  • 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).