Zeolite having a one-dimensional channel system, 10-membered rings and 12-membered rings

A method of preparing a microporous crystalline zeolite, UZM-55, having a channel system comprising 10-membered rings of tetrahedrally coordinated atoms and 12-membered rings of tetrahedrally coordinated atoms in a single channel, wherein the channel system is one-dimensional, and represented by an empirical formula:

• Mmn+RrAlxEySiOz
• where M represents hydrogen or a metal or metals selected from the group consisting of zinc, Group 1 (IUPAC 1) metals, Group 2 (IUPAC 2) metals, Group 3 (IUPAC 3) metals or lanthanide series metals of the periodic table, “m” is the mole ratio of M to Si and varies from about 0 to about 1.0, “n” is the weighted average valence of M and has a value of about 1 to about 3, R is a structure directing agent or agents, “r” is the mole ratio of N from the organic structure directing agent or agents to Si and has a value of about 0 to about 1.0, “x” is the mole ratio of Al to Si and has a value of from 0 to about 0.026, E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof, “y” is the mole ratio of E to Si and has a value from 0 to about 0.026, and “z” is the mole ratio of O to (Al+E) and has a value determined by the equation:
• z=(4+m+3●x+3●y)/2
• and is characterized in that it has the x-ray diffraction pattern having at least the d-spacings and intensities set forth in Table 1:
• TABLE 1
• 2θ
• d(Å)
• I/I0 %
• 7.16
• 12.34
• VW-W
• 7.44
• 11.87
• VW-W
• 8.58
• 10.30
• VW
• 21.01*
• 4.225
• VS
• 22.07
• 4.024
• VW
• 22.75
• 3.906
• MW-M
• 24.19
• 3.676
• VW
• 26.41
• 3.372
• VW-W
• 32.73
• 2.734
• VW
• 36.37
• 2.468
• VW
• 44.01
• 2.056
• VW
• the process comprising:
• preparing a reaction mixture having composition expressed in terms of mole ratios of the oxides of
• aM2O:bR:cAl2O3:eE2O3:SiO2:gH2O
• where M represents a metal or metals from hydrogen, zinc or Group 1 (IUPAC 1), Group 2 (IUPAC 2), Group 3 (IUPAC 3) or the lanthanide series of the periodic table, “a” has a value from 0 to about 0.5,
• R is an organic structure directing agent or agents wherein R has a formula [bis-N,N′-diR1-(piperidinium)-R2]2+2X−, R1 is selected from H or an alkyl group having a formula CqH2q+I, where q is in the range from 1 to 4, X is halide or hydroxide, the total number of C atoms in the formula is in a range of 11 to 24, and R2 is an alkyl group having the formula CpH2p, where p is equal to 6 and is connected to the 1 and 1′ N atoms at positions s and t of the alkyl chain where s and t are independently selected from 1 to p,
• and where the source of R is a pre-reacted aqueous solution wherein pre-reaction comprises preparing an aqueous mixture comprising water, a substituted hydrocarbon and an amine;
• reacting the aqueous mixture;
• obtaining a solution comprising the organoammonium compound;
• and wherein the mixture and the solution are essentially free of aluminum and silicon, where the pre-reaction temperature is from about 20° C. to about 100° C., and for a time from about 0.5 hours to about 48 hours,
• “b” has a value from about 0 to about 0.3,
• “c” has a value of from 0.0 to about 0.015,
• E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof,
• “e” has a value from 0.0 to about 0.015,7 and
• “g” has a value from about 20 to about 40;
• reacting the reaction mixture at a temperature of about 150° to about 185° C. for a period of time of about 1 day to about 3 weeks under autogenous pressure until crystallization is complete;
• isolating a solid product;
• and
• washing the solid product with deionized water and drying the solid product.

A hydrocarbon conversion process comprising contacting the hydrocarbon with a microporous crystalline zeolite, UZM-55, having a channel system comprising 10-membered rings of tetrahedrally coordinated atoms and 12-membered rings of tetrahedrally coordinated atoms in a single channel and represented by an empirical formula:

• Mmn+RrAlxEySiOz
• where M represents hydrogen or a metal or metals selected from the group consisting of zinc, Group 1 (IUPAC 1) metals, Group 2 (IUPAC 2) metals, Group 3 (IUPAC 3) metals or lanthanide series metals of the periodic table, “m” is the mole ratio of M to Si and varies from 0 to about 1.0, “n” is the weighted average valence of M and has a value of about 1 to about 3, R is a structure directing agent or agents, “r” is the mole ratio of N from the organic structure directing agent or agents to Si and has a value of about 0 to about 1.0, “x” is the mole ratio of Al to Si and has a value of from 0 to about 0.026, E is an element selected from the group consisting of gallium, iron, boron and mixtures thereof, “y” is the mole ratio of E to Si and has a value from 0 to about 0.026, and “z” is the mole ratio of O to (Al+E) and has a value determined by the equation:
• z=(4+m+3●x+3●y)/2
• and is characterized in that it has the x-ray diffraction pattern having at least the d-spacings and intensities set forth in Table 1:
• TABLE 1
• 2θ
• d(Å)
• I/I0 %
• 7.16
• 12.34
• VW-W
• 7.44
• 11.87
• VW-W
• 8.58
• 10.30
• VW
• 21.01*
• 4.225
• VS
• 22.07
• 4.024
• VW
• 22.75
• 3.906
• MW-M
• 24.19
• 3.676
• VW
• 26.41
• 3.372
• VW-W
• 32.73
• 2.734
• VW
• 36.37
• 2.468
• VW
• 44.01
• 2.056
• VW
• wherein said contact is at conversion conditions to provide a converted hydrocarbon product wherein the hydrocarbon conversion process is selected from the group consisting of conversion of methanol to olefins, ethylene to propylene, oligomerization, isomerization of paraffins, paraffin cracking, xylene isomerization, toluene disproportionation, ring opening and cracking to remove benzene co-boilers and alkylation of aromatics with paraffins.