WO2025062110 - CONTINUOUS METHODS FOR PREPARING MICROSPHERE TITANIA CATALYST SUPPORTS AND CATALYSTS WITH SAID SUPPORTS, SUPPORTS AND CATALYSTS OBTAINED THEREBY
National phase entry:
Publication Number
WO/2025/062110
Publication Date
27.03.2025
International Application No.
PCT/GB2024/051815
International Filing Date
11.07.2024
Title **
[English]
CONTINUOUS METHODS FOR PREPARING MICROSPHERE TITANIA CATALYST SUPPORTS AND CATALYSTS WITH SAID SUPPORTS, SUPPORTS AND CATALYSTS OBTAINED THEREBY
[French]
PROCÉDÉS CONTINUS DE PRÉPARATION DE SUPPORTS DE CATALYSEURS DE TITANE MICROSHÉRIQUES ET CATALYSEURS AVEC LESDITS SUPPORTS, SUPPORTS ET CATALYSEURS AINSI OBTENUS
Applicants **
JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED
Inventors
MERCER, Richard John
Priority Data
2314398.5
20.09.2023
GB
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2316 | |
| EPO | Filing, Examination, Granting | 13245 | |
| Japan | Filing, Examination, Granting | 2471 | |
| South Korea | Filing, Examination, Granting | 2677 | |
| USA | Filing, Examination, Granting | 5740 |
Total:
26,449
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A method for preparing a catalyst support is described comprising the steps of: (i) preparing an aqueous slurry of titania precursors, (ii) spray-granulating the aqueous slurry in a fluidised bed spray granulator to form titania microspheres and fine particles, (iii) separating the fine particles from the titania microspheres and recycling them to the fluidised bed spray granulator, and (iv) recovering and calcining the titania microspheres, wherein the titania precursors comprise a first titania precursor and a second titania precursor and the volume- median diameter of the first titania precursor is less than the volume-median diameter of the second titania precursor.[French]
L'invention concerne un procédé de préparation d'un support de catalyseur comprenant les étapes consistant à : (i) préparer une suspension aqueuse de précurseurs de dioxyde de titane, (ii) granuler par pulvérisation la suspension aqueuse dans un granulateur à pulvérisation à lit fluidisé pour former des microsphères de dioxyde de titane et des particules fines, (iii) séparer les particules fines des microsphères de dioxyde de titane et les recycler vers le granulateur à pulvérisation à lit fluidisé, et (iv) récupérer et calciner les microsphères de dioxyde de titane, les précurseurs de dioxyde de titane comprenant un premier précurseur de dioxyde de titane et un second précurseur de dioxyde de titane et le diamètre médian en volume du premier précurseur de dioxyde de titane étant inférieur au diamètre médian en volume du second précurseur de dioxyde de titane.