| 专利名称 | Rare earth-ZSM-5/ZSM-11 cocrystalline zeolite | 申请号 | US19950575090 | 专利类型 | US | 公开（公告）号 | US5869021 | 公开（授权）日 | 1999.02.09 | 申请（专利权）人 | 中国科学院大连化学物理研究所 | 发明（设计）人 | CAI GUANGYU (CN); LI FENG (CN); LI YUYING (CN); XU LONGYA (CN); ZHANG SHURONG (CN); HUANG ZUXIAN (CN); WANG OINGXIA (CN) | 主分类号 | C01B39/36 | IPC主分类号 | C01B39/36;C01B39/38;C01B39/46 | 专利有效期 | Rare earth-ZSM-5/ZSM-11 cocrystalline zeolite 至Rare earth-ZSM-5/ZSM-11 cocrystalline zeolite | 法律状态 | 说明书摘要 | A rare earth-containing zeolite with a cocrystalline structure of ZSM-5 and ZSM-11, wherein the weight ratio of the moiety having the crystalline structure of ZSM-5 to the moiety having the crystalline structure of ZSM-11 is 0.1 to 10, which has, in the sodium form, the X-ray diffraction pattern set forth in Table 1, and in its originally synthesized anhydrous state, a chemical formula in terms of mole ratios of oxides as follows: 0.1-1.0 Na2O . 0.01-1.0 RE2O3 . Al2O3 . 20-300 SiO2 . Said zeolite has good acid hydrothermal stability and resistance against impurity contamination, and is useful as catalyst in various hydrocarbon conversions. |
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