| http://www.w3.org/ns/prov#value | - It is generally preferred, however, to carry out the desorption operation at an elevated temperature in the range 425 800 F. The desorption temperature employed, however, should not be excessively high, for example not greater than about 1100 F., particularly in the instance wherein a material such as Linde Type 5A Molecular Sieve, that is, a calcium alumino-silicate, is employed as the selective
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