Zeolite adsorbent for desulfurization and method of...

Gas separation: processes – Solid sorption – Inorganic gas or liquid particle sorbed

Reexamination Certificate

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C095S902000, C423S242100, C502S079000, C585S820000

Reexamination Certificate

active

07625429

ABSTRACT:
A zeolite adsorbent for desulfurization and a method of preparing the same. More particularly, a zeolite adsorbent for desulfurization in which the relative crystallinity of Y zeolite that is ion exchanged with Ag is 45% to 98%, and a method of preparing the same. The zeolite adsorbent for desulfurization has excellent crystallinity over the known zeolite adsorbent for desulfurization, and thus has better performance of adsorbing sulfur compounds though it contains less Ag. Accordingly, when the sulfur compounds of a fuel gas are removed by employing the zeolite adsorbent for desulfurization, a desulfurizing device that is bettereven with less cost can be constructed.

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Reference AA (6,942,847 B2) is substantially equivalent to Reference AK (JP 2004-217518).
Reference AB (EP 0 377 291 A1) is substantially equivalent to Reference AC (JP 2-221115).

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