Word: hansgirg
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Dates: during 1941-1941
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When FBI's roundup of aliens last week caught Austrian-born, magnesium-wise Dr. Fritz J. Hansgirg at the Permanente Magnesium plant near San Francisco, rumors spread at once that Permanente 's magnesium-making might have to cease. They were false...
...Fritz Hansgirg was the inventor of the Permanente process (TIME, March 3), and his arrest caused Permanente inconvenience. But he was only one of a staff of 180 technicians, consultants, engineers. Production, said Permanente Owner Henry J. Kaiser, would go on. But, he added, "we feel that it is important that Dr. Hansgirg's status be promptly developed. . . ." Fritz Hansgirg had built Hansgirg-process plants in Austria and Korea before coming to the U.S. in 1940. After making his patents available to Henry Kaiser, he helped to plan the West Coast concern. An Austrian citizen, he was high...
...around 380° in 1/1000th of a second with a blast of cold gas. During the heating, the carbon takes the oxygen away from the magnesium, and during the cooling the magnesium is precipitated as a fine powder too fast to recombine with the oxygen. This is called the Hansgirg process, and RFC has financed a $9,250,000 plant at Los Altos, near Palo Alto, Calif., to make 15,000 tons a year. The difficulty with the process is that the hot powdered magnesium is violently explosive. Already there has been a fatal magnesium explosion at Los Altos...
...variation of this process is being perfected by Metallurgist Henry Alfred Doerner of the U.S. Bureau of Mines who claims that when a chill spray of oil is substituted for the Hansgirg cooling gas the magnesium is rendered nonexplosive by an easily removable oily film which forms on the powder grains. The process has been developed at Washington State College and will probably be used in a 12,000-ton plant at Spokane where magnesium deposits adjoin Grand Coulee's cheap power...
...backers of both these processes hope to get magnesium for 12?, 10?, perhaps even less a pound. Dow is skeptical about the Hansgirg process (Dow turned it down), but Dow itself has cut the price of magnesium from $5 in 1915 to 50? in 1925 to 30? in 1931 and is said to have sold magnesium to Germany before the war as low as 21? a lb. Dow's magnesium costs are inextricably tied up with other chemicals, notably bromine, which are recovered simultaneously. If some of Dow's first costs can be written off against emergency production...