| 摘要 |
<p>An adsorbent for separating nitrogen from a feed gas containing at least one other gas having molecular dimensions equal to or larger than methane, the adsorbent comprising clinoptilolite having a sodium ion content of at least 17 equivalent percent of the total ion exchangeable cations and optionally one or more non-univalent cations, which if present comprise in total less than 12 equivalent percent of the total ion exchangeable cations, the balance, if any, being one or more non-sodium univalent cations.</p> |
