Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-12-19
1977-03-29
Gantz, Delbert E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
208310Z, C07C 713
Patent
active
040149498
ABSTRACT:
Selective adsorption of one cyclic compound from a fluid mixture with a structurally similar cyclic compound can be obtained with molecular sieves (crystalline aluminosilicate zeolites) which have been partially dehydrated at a temperature in the range of 80.degree.-300.degree.C. Preferably the Al/Si ratio in the zeolite framework is in the range of 0.2-0.65. For example, m-xylene can be separated from p-xylene by selective adsorption of the m-xylene on NaY zeolite which was partially dehydrated at 125.degree. C. and contains about 12 wt % water by ignition analysis.
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Back Stanford M.
Gantz Delbert E.
Hess J. Edward
Johnson Donald R.
Spresser C. E.
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