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    • 9. 发明授权
    • MCM-22 family molecular sieve composition
    • MCM-22家族分子筛组成
    • US07846418B2
    • 2010-12-07
    • US11657192
    • 2007-01-24
    • Wenyih Frank LaiRobert Ellis Kay
    • Wenyih Frank LaiRobert Ellis Kay
    • C01B39/46B01J29/06C10G47/04
    • B01J29/7038B01J35/002C01B37/02C01B39/48C07C2/66C07C2529/70C10G29/205C10G65/10C07C15/107
    • An MCM-22 family molecular sieve having an X-ray diffraction pattern of the as-synthesized MCM-22 family molecular sieve including d-spacing maxima at 12.4±0.25, 3.57±0.07 and 3.42±0.07 Angstroms and at least one peak between 26.6° and 29° (2θ). The peak between 26.6° to 29° (2θ) has a two theta (2θ) of about 26.9°. A method of manufacturing an MCM-22 family molecular sieve, said method comprising the steps of (a) combining at least one silicon source, at least one source of alkali metal hydroxide, at least one directing-agent (R), water, and optionally one aluminum source, to form a mixture having the following mole composition: Si:Al2=10 to infinity H2O:Si=1 to 20 OH−:Si=0.001 to 2 M+:Si=0.001 to 2 R:Si=0.001 to 0.34 wherein M is an alkali metal; (b) treating said mixture at crystallization conditions for less than 72 hr to form a treated mixture having said MCM-22 family molecular sieve, wherein said crystallization conditions comprises a temperature range from about 160° C. to about 250° C.; and (c) recovering said MCM-22 family molecular sieve.
    • 具有所合成的MCM-22族分子筛的X射线衍射图的MCM-22族分子筛包括在12.4±0.25,3.57±0.07和3.42±0.07埃处的d间距最大值,以及26.6之间的至少一个峰 °和29°(2°)。 26.6°至29°(2θ)之间的峰值具有约26.9°的2θ(2θ)。 一种制备MCM-22族分子筛的方法,所述方法包括以下步骤:(a)将至少一种硅源,至少一种碱金属氢氧化物源,至少一种导向剂(R),水和 任选一个铝源,以形成具有以下摩尔组成的混合物:Si:Al2 = 10至无穷大H 2 O:Si = 1至20 OH-:Si = 0.001至2 M +:Si = 0.001至2 R:Si = 0.001至 0.34,其中M是碱金属; (b)在结晶条件下处理所述混合物小于72小时以形成具有所述MCM-22族分子筛的处理过的混合物,其中所述结晶条件包括约160℃至约250℃的温度范围; 和(c)回收所述MCM-22族分子筛。