초록

A process for producing new crystalline titanium molecular sieve zeolite compositions having a pore size of about 3-5 Angstrom Units is disclosed.

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A process for the preparation of a crystalline titaniumsilicate molecular sieve zeolite having a pore size of approximately 3-5 Anstrom units which comprises heating a reaction mixture containing a titanium source, a source of silica, a source of alkalinity, water and, optionally, an alkali metal fl

A process for the preparation of a crystalline titaniumsilicate molecular sieve zeolite having a pore size of approximately 3-5 Anstrom units which comprises heating a reaction mixture containing a titanium source, a source of silica, a source of alkalinity, water and, optionally, an alkali metal fluoride having a composition in terms of mole ratios falling within the following ranges: SiO2/Ti: 1-10 H2O/SiO2: 2-100 Mn/SiO2: 0.1-10 wherein M indicates the cations of valence n derived from the source of alkalinity and potassium fluoride to a temperature of from about 100°C. to 300°C. for a period of time ranging from about 8 hours to 40 days while controlling the pH within the range of 10.45-11.0±0.1, said crystalline titaniumsilicate having a composition in terms of mole ratios of oxides as follows: 1.0±0.25 M2/nO: TiO2: y SiO2: z H2O wherein M is at least one cation having a valence of n, y is from 1.0 to 100, and z is from 0 to 100 and characterized by an X-ray powder diffraction pattern having the lines and relative intensities set forth in Table I below: TABLE 1 ________________________________ -d-SPACING (ANGS.) I/Io ________________________________ 11.65 ±0.25 S-VS 6.95 ±0.25 S-VS 5.28 ± .15 M-S 4.45 ± .15 W-M 2.98 ± .05 VS Where, VS =50-100 S =30-70 M =15-50 W = 5-30 ________________________________