发明名称 |
METAL-CONTAINING ZEOLITE BETA FOR NOX REDUCTION |
摘要 |
<p>There is disclosed an organic-free, metal-containing zeolite Beta with a silica-to-alumina ratio (SAR) ranging from 5 and 20, and a metal content of at least 0.5 wt. %. There is also disclosed a method of making such a zeolite Beta without organic structure directing agent (SDA). The metal, which may comprise Fe or Cu, can be found in amounts ranging from 1-10 wt. %. A method of selective catalytic reduction of nitrogen oxides in exhaust gases using the disclosed zeolite is also disclosed.</p> |
申请公布号 |
EP2571604(B1) |
申请公布日期 |
2014.04.16 |
申请号 |
EP20110721964 |
申请日期 |
2011.05.18 |
申请人 |
PQ CORPORATION |
发明人 |
LI, HONG-XIN;CORMIER, WILLIAM, E.;MODEN, BJORN |
分类号 |
B01D53/94;B01J29/76;C01B39/46 |
主分类号 |
B01D53/94 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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