# US 11,110,442 B2 · Process for preparing a molding comprising zinc and a titanium-containing zeolite > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,110,442 B2 - Document ID: US11110442B2 - Status: Granted - Kind: B2 - Application number: 16/997,038 - Filed: 2020-08-19 - Published: 2020-12-03 - Granted: 2021-09-07 - Earliest claimed: 2017-01-18 - Assignees: BASF SE - Applicants: BASF SE - Inventors: Andrei-Nicolae Parvulescu; Ulrich Mueller; Hans-Juergen Luetzel; Joaquim Henrique Teles; Dominic Riedel; Daniel Urbanczyk; Ulrike Wegerle; Markus Weber; Nicolai Tonio Woerz; Christian Mueller - Web page: https://patentgrep.com/patent/US11110442B2 ## CPC - B01J 29/89: Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium {(B01J29/005 takes precedence)} - B01J 29/7088: {MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25} - B01J 35/36: Mechanical strength - B01J 35/40: characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77) - B01J 35/45: Nanoparticles - B01J 35/615: {100-500 m2/g} - B01J 35/635: {0.5-1.0 ml/g} - B01J 35/70: characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J21/18; molecular sieves B01J29/00) - B01J 35/77: Compounds characterised by their crystallite size - B01J 37/0045: {Drying a slurry, e.g. spray drying} - B01J 37/08: Heat treatment {(B01J37/0009, B01J37/0018 take precedence)} - C01B 39/026: {After-treatment} - C01B 39/065: {Galloaluminosilicates; Group IVB- metalloaluminosilicates; Ferroaluminosilicates} - C01B 39/12: the replacing atoms being {at least} boron atoms - C07D 301/12: with hydrogen peroxide or inorganic peroxides or peracids - B01J 2229/183: in framework positions - B01J 2229/186: not in framework positions - B01J 2229/34: Reaction with organic or organometallic compounds - B01J 2229/37: Acid treatment - B01J 2229/40: Special temperature treatment, i.e. other than just for template removal - B01J 2229/42: Addition of matrix or binder particles - B01J 2235/15: X-ray diffraction - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} - C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08) ## Abstract A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension in the range of from 100 to 200° C., obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii). ## Claims ### Claim 1 A molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, obtained by a process comprising: (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension of from 100 to 200° C., thereby obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; and (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii); wherein in (ii), the zinc source comprises a zinc compound which is soluble in water at a temperature and pressure of the liquid aqueous phase according to (iii). ### Claim 2 (depends on 1) The molding of claim 1, wherein the molding provided in (i) comprises the titanium-containing zeolitic material having framework type MWW and a binder, wherein in the molding provided in (i), a weight ratio of the titanium-containing zeolitic material having framework type MWW relative to the binder is from 1:1 to 9:1. ### Claim 3 (depends on 2) The molding of claim 2, wherein at least 99 wt. % of the molding provided in (i) consist of the titanium-containing zeolitic material having framework type MWW and the binder. ### Claim 4 (depends on 1) The molding of claim 1, wherein the molding provided in (i) has at least one of the following characteristics (1) to (3): (1) a BET specific surface area of at least 300 m2/g; (2) a pore volume of at least 0.9 mL/g; (3) a mechanical strength of from 5 to 10 N. ### Claim 5 (depends on 1) The molding of claim 1, wherein at least 99 wt. % of the titanium-containing zeolitic material having framework type MWW comprised in the molding provided in (i) consists of Ti, Si, O, and H, wherein the titanium-containing zeolitic material having framework type MWW comprised in the molding provided in (i) has a titanium content, calculated as elemental titanium, of from 0.1 to 5 wt. %, based on a total weight of the titanium-containing zeolitic material having framework type MWW. ### Claim 6 (depends on 1) The molding of claim 1, wherein the titanium-containing zeolitic material having framework type MWW comprised in the molding provided in (i) is in the form of a powder having a particle size distribution having a Dv10 value of from 1 to 10 micrometer, and a Dv90 value of from 12 to 200 micrometer. ### Claim 7 (depends on 1) The molding of claim 1, wherein the zinc source comprises at least one zinc salt soluble in water. ### Claim 8 (depends on 1) The molding of claim 1, wherein in the aqueous suspension prepared in (ii), a weight ratio of zinc comprised in the zinc source relative to the titanium-containing zeolitic material having framework type MWW comprised in the molding is from 0.005:1 to 0.1:1. ### Claim 9 (depends on 1) The molding of claim 1, wherein in the aqueous suspension prepared in (ii), a weight ratio of the titanium-containing zeolitic material having framework type MWW comprised in the molding relative to water is from 0.01:1 to 0.1:1. ### Claim 10 (depends on 1) The molding of claim 1, wherein in (iii), the suspension prepared in (ii) is heated to and kept at a temperature of the liquid phase of the aqueous suspension of from 110 to 175° C. ### Claim 11 (depends on 1) The molding of claim 1, wherein the process further comprises: (v) drying the separated molding comprising zinc and a titanium-containing zeolitic material having framework type MWW obtained from (iv); and (vi) calcining the dried molding comprising zinc and a titanium-containing zeolitic material having framework type MWW obtained from (v). ### Claim 12 A molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, wherein in the molding, a weight ratio of zinc relative to the titanium-containing zeolitic material having framework type MWW is from 0.005:1 to 0.1:1, wherein the molding has a water absorption capacity of from 8 to 12 weight %. ### Claim 13 (depends on 12) The molding of claim 12, having at least one of the following characteristics: a BET specific surface are of at least 200 to m2/g; a crystallinity of at least 50%; a porosity of at least 0.9 mL/g; a mechanical strength of from 9 to 23 N; a PO test parameter of at least 8%. ### Claim 14 (depends on 1) A process for converting a hydrocarbon, comprising contacting the hydrocarbon with a catalyst comprising the molding of claim 1. ### Claim 15 (depends on 12) A process for converting a hydrocarbon, comprising contacting the hydrocarbon with a catalyst comprising the molding of claim 12. ### Claim 16 (depends on 15) The process of claim 15, wherein the hydrocarbon comprises an alkene, and the alkene is epoxidized in the presence of a solvent.