Patent ID: 8071830

Claim:
A process for alkylating aromatic hydrocarbons comprising contacting a hydrocarbon feedstock comprising at least alkylatable aromatics and a stream comprising olefins having from 2 to about 6 carbon atoms with a catalyst at alkylation conditions and producing an alkylated aromatic product wherein the catalyst comprises a UZM-35HS microporous crystalline zeolite, wherein the UZM-35HS has a three-dimensional framework of at least AlO 2 and SiO 2 tetrahedral units and an empirical composition on an anhydrous basis expressed by an empirical formula of: M1 a n+ Al (1-x) E x Si yâ€² O zâ€² where M1 is at least one exchangeable cation selected from the group consisting of alkali, alkaline earth metals, rare earth metals, ammonium ion, hydrogen ion and mixtures thereof, â€œaâ€ is the mole ratio of M1 to (Al+E) and varies from about 0.05 to about 50, â€œnâ€ is the weighted average valence of M1 and has a value of about +1 to about +3, E is an element selected from the group consisting of gallium, iron, boron, and mixtures thereof, â€œxâ€ is the mole fraction of E and varies from 0 to 1.0, yâ€² is the mole ratio of Si to (Al+E) and varies from greater than about 4 to virtually pure silica and zâ€² is the mole ratio of O to (Al+E) and has a value determined by the equation: z â€²=( aÂ·n+ 3+4 Â·y â€²)/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 A: TABLE A 2Î¸ d (â„«) I/Io % 6.45-6.8 13.7-13 m 6.75-7.13 13.1-12.4 m-vs 7.86-8.26 11.25-10.7 m 8.64-9.04 10.23-9.78 m 9.51-10.09 9.3-8.77 m-vs 10.62-11.23 8.33-7.88 w-m 13.4-14.22 6.61-6.23 w-m 14.76-15.55 6-5.7 w 17.63-18.37 5.03-4.83 m 19.17-19.91 4.63-4.46 w-m 19.64-20.56 4.52-4.32 m 20.18-21.05 4.4-4.22 w-m 20.7-21.57 4.29-4.12 w-m 21.36-22.28 4.16-3.99 vs 22.17-23.6 4.01-3.77 m-s 24.12-25.23 3.69-3.53 w 25.6-26.94 3.48-3.31 m 26.37-27.79 3.38-3.21 m 27.02-28.42 3.3-3.14 m 27.53-28.89 3.24-3.09 m 28.7-30.09 3.11-2.97 m 29.18-30.72 3.06-2.91 w-m 30.19-31.73 2.96-2.82 m 30.83-32.2 2.9-2.78 w 32.81-34.22 2.73-2.62 w 35.63-36.99 2.52-2.43 w 41.03-42.86 2.2-2.11 w 44.18-45.83 2.05-1.98 w 44.87-46.57 2.02-1.95 w 46.07-47.35 1.97-1.92 w 48.97-50.42 1.86-1.81 w and is thermally stable up to a temperature of at least 400Â° C.