Katalysator zur Selektiven Katalytischen Reduktion (scr)
Anmelder: Johnson Matthey Public Limited Company 🇬🇧
Details
- Veröffentlichungs-Nr.
- EP4763331
- Anmeldetag
- 20. Dezember 2024
- Veröffentlichung
- 24. Juni 2026
- Rechtsraum
- EP
Abstract
The present invention provides an all-active, extruded selective catalytic reduction (SCR) catalyst, comprising a metal-loaded zeolite and a binder in the form of silica-alumina, wherein the silica content of the silica-alumina is in the range of about 1% to 20% by weight. The invention further provides a method of preparing such an SCR catalyst comprising (a) forming a plastic mixture having a solids content of greater than 50 % by weight by mixing together a metal-loaded zeolite or a zeolite in an H+ or NH4+ form and an active metal precursor; an inorganic matrix component comprising silica-containing boehmite, wherein the silica content of the silica-boehmite is in the range about 1% to 20% by weight; an organic auxiliary agent, an aqueous solvent and optionally inorganic fibres; (b) moulding the plastic mixture into a shaped article; and (c) calcining the shaped article to form a solid catalyst body.
Anmelder
- Firma
- Johnson Matthey Public Limited Company
- Land
- 🇬🇧 Großbritannien
Britisches Unternehmen der Spezialchemie, das Katalysatoren, Edelmetalltechnologien und Materialien für Automobilindustrie, Chemieproduktion und Energieanwendungen wie Wasserstofftechnologien entwickelt.
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