Synthesis of crystalline silicate ZSM-11

Patent · Tue May 25 04:00:00 EDT 1993

OSTI ID:6487091

Beck, J S; Schlenker, J D

A method for synthesizing crystalline material exhibiting a characteristic X-ray diffraction pattern including d-spacing maxima values is described, in Angstroms, as follows: 11.2 [plus minus] 0.2, 10.1 [plus minus] 0.2; 6.73 [plus minus] 0.2; 5.61 [plus minus] 0.1; 5.03 [plus minus] 0.1; 4.62 [plus minus] 0.1; 4.39 [plus minus] 0.08; 3.86 [plus minus] 0.07; 3.73 [plus minus] 0.07; 3.49 [plus minus] 0.07; (3.07, 3.00 [plus minus] 0.05); 2.01 [plus minus] 0.02; which comprises (i) preparing a mixture capable of forming said material, said mixture comprising sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water and C[sub n]N[sup +](CH[sub 3])[sub 3], wherein n = 9, 10, 11 or 12, directing agent (R), and having a composition in terms of mole ratios within the following ranges: X[sub 2]O[sub 3]/YO[sub 2] - 0 to .05; H[sub 2]O/YO[sub 2] - 10 to 200; OH[sup [minus]]/YO[sub 2] 10[sup [minus]6] to 1; M/YO[sub 2] - .01 to 2; R/YO[sub 2] .1 to 5; (ii) maintaining said mixture under sufficient conditions until crystals of said material are formed; and (iii) recovering said crystalline material from step (ii), said recovered crystalline material containing said R.

• Assignee: Mobil Oil Corp., Fairfax, VA (United States)
• Patent Number(s): A; US 5213786
• Application Number: PPN: US 7-811338
• OSTI ID: 6487091
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METALS
ALKALINE EARTH METALS
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL STRUCTURE
CRYSTALLIZATION
DIFFRACTION
ELEMENTS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
METALS
MINERALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
QUANTITY RATIO
SCATTERING
SILICATE MINERALS
SYNTHESIS
X-RAY DIFFRACTION
ZEOLITES