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TWO:Once when Felipa got out of the ambulance to tramp beside it, in the stinging snow whirls, and to start the thin blood in her veins, she had looked up into his blanket-swathed face, and laughed. "I wonder if you looked like that when you took me through this part of the world twenty years ago," she said.

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:In America, during this time, various encounters had taken place between the English and American forces. Washington, in spite of the severity of the winter weather, was pressing the blockade of Boston. But the difficulties with[223] which he had to contend were so enormous, that, had General Howe had any real notion of them, as he ought to have had, he might have beaten off the American troops over and over again. His troops, it is true, only amounted to about seven thousand, and Washington's to about fifteen thousand; but besides the deficiency of powder in Washington's camp, the terms on which his troops served were such as kept him in constant uncertainty. This was the condition of things when, early in March, Washington commenced acting on the offensive. He threw up entrenchments on Dorchester Heights, overlooking and commanding both Boston town and harbour. Taking advantage of a dark night, on the 4th of March he sent a strong detachment to the Heights, who, before mining, threw up a redoubt, which made it necessary for General Howe to dislodge them, or evacuate the place. It seems amazing, after the affair of Bunker's Hill, that Howe had not seen the necessity of occupying the post himself. He now, however, prepared to attack the redoubt, and the soldiers were eager for the enterprise. The vanguard fell down to Castle William, at which place the ascent was to be made; and on the morrow, the 5th of March, the anniversary of what was termed the Massacre of Boston, the fight was to take place. A violent storm, however, arose, rendering the crossing of the water impracticable. By the time that it ceased, the Americans had so strengthened their works, that it was deemed a useless waste of life to attempt to carry them. The only alternative was the evacuation of Boston. Howe had long been persuaded that it would be much better to make the British headquarters at New York, where there were few American troops, and where the king's friends were numerous; and this certainly was true, unless he had mustered resolution and sought to disperse his enemies when they were in a state of disorder and deficiency of ammunition that insured his certain success. As it was, he was now most ignominiously cooped up, and in hourly jeopardy of being shelled out of the place. He had obtained the permission of his Government for this movement, and he now set about it in earnest. When, however, he came to embark, another example was given of that shameful neglect which pervaded the whole of the British civil department of the military service. When the transports were examined, they were found totally destitute of provisions and forage. No direct compact was made between Howe and Washington regarding the evacuation; but an indirect communication and understanding on the subject was entered intothrough the "select Men" of Bostonthat no injury should be done to the town during it, provided the troops were unmolested in embarking. Before departing, however, the English totally dismantled and partly demolished Castle William. On the 17th, the last of the British troops were on board; and that afternoon Boston was entered in triumph by General Putnam, at the head of the vanguard.
  • 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:"Good Lord! no," Cairness's smile was rueful. "I've lost all ambition of that sort years since. I'm too old. I've knocked about too long, and I dare say I may as well knock about to the end."Certainly they could. Sandy was earnest. If the Captain ordered that they be kept for his special useand if he drank lime juice. Come on, lets ask him. They followed Sandy to the bridge.

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

THREE:For a time, Bute and his colleagues appeared to brave the load of hatred and ignominy which was now piled everywhere upon them, but it was telling; and suddenly, on the 7th of April, it was announced that the obnoxious Minister had resigned. Many were the speculations on this abrupt act, some attributing it to the influence of Wilkes, and his remorseless attacks in the North Briton; others to the king and queen having at length become sensitive on the assumed relations of Bute and the king's mother; but Bute himself clearly stated the real and obvious causewant of support, either in or out of Parliament. "The ground," he wrote to a friend, "on which I tread is so hollow, that I am afraid not only of falling myself, but of involving my royal master in my ruin. It is time for me to retire."
  • 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:"I dare say," Landor agreed; "it is certainly more[Pg 11] charitable to suppose that men who hacked up the bodies of babies, and abused women, and made away with every sort of loot, from a blanket to a string of beads, were mad. It was creditably thorough for madmen, though. And it was the starting-point of all the trouble that it took Crook two years to straighten out."

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