C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
252/12
C01B 39/48 (2006.01) C01B 37/02 (2006.01)
Patent
CA 1229839
ZEOLITE ZSM-14 AND A PROCESS AND REACTION MIXTURE FOR SYNTHESIS OF THE SAME ABSTRACT A synthetic crystalline ZSM-14 zeolite material having the X-ray powder diffraction pattern substantially as set forth in Table I of the specification and having as synthesized, in the anhydrous state, a formula in terms of mole ratios of oxides: (0.005-5) R2O : (0.01-5) M2/nO:(0-0.2)A12O3: 100 SiO2 wherein R is represented by the formula: Image wherein A is a cation having a valence m, R' is an inorganic or an organic acid moiety, and R" is a linear or branched aliphatic, aromatic or alkylaromatic group, and M is an alkali metal or an alkaline earth metal having a valence n. The zeolite material is prepared by a reaction mixture which comprises sources of an alkali or alkaline earth metal, alumina, silica and an organic, anionic directing agent represented by the formula given above and which has the following composition in terms of mole ratios and oxides: SiO2/A12O3 500- ? H2O/SiO2 = 2-1000 OH-/SiO2 = 0-10 M+/SiO2 = 0.01-3 R/SiO2 = 0.01-3 wherein M is an alkali or alkaline earth metal and R is the anionic directing agent. To prepare the zeolite material, the reaction mixture is maintained at crystallization conditions until the crystals of the ZSM-14 zeolite are formed.
476862
Derouane Eric G.
Valyocsik Ernest W.
Kirby Eades Gale Baker
Mobil Oil Corporation
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