A SURFACE MODIFIED ZEOLITE FOR DRYING REFRIGERANTS
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United States of America Patent
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Dec 3, 2015
app pub date -
Sep 4, 2013
filing date -
Sep 11, 2012
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Abstract
The present disclosure relates to a surface modified zeolite having formed pores therein, with apertures on the surface of the zeolite of diameter less than 4.4° A without reduction of the pore volume. The present disclosure also relates to a process for the preparation of the surface modified zeolite and a method of selectively removing substances with molecular size below 4.4 A° from fluids by using the surface modified adsorbents.
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