30-05-2019 дата публикации
Номер: US20190160428A1
Принадлежит:
The present invention relates to a catalyst for NOx removal. More specifically, the present invention relates to a supported catalyst, a monolithic selective catalytic reduction (SCR) catalyst, preparation method therefor, and method for NOx removal. 1. A supported catalyst , comprising:a support, andcatalytically active components supported on the support, which comprise vanadium, antimony and at least one further component selected from the group consisting of silicon, aluminum and zirconium.2. The supported catalyst according to claim 1 , wherein the support comprises at least one selected from the group consisting of TiO claim 1 , AlO claim 1 , SiO claim 1 , ZrO claim 1 , CeO claim 1 , zeolite and the combination thereof at any ratio.3. The supported catalyst according to claim 1 , wherein the support consists of TiO claim 1 , or consists of TiOand SiO claim 1 , or consists of TiOand WO claim 1 , or consists of TiO claim 1 , SiOand WO.4. The supported catalyst according to claim 1 , wherein the catalytically active components comprise or consist of vanadium claim 1 , antimony and silicon.5. The supported catalyst according to claim 1 , wherein the catalytically active components consist of vanadium claim 1 , antimony and aluminum.6. The supported catalyst according to claim 1 , wherein the catalytically active components consist of vanadium claim 1 , antimony and zirconium.7. The supported catalyst according to claim 1 , wherein the catalytically active components are in form of oxides of each of them claim 1 , or composite oxides of two or more of them.8. The supported catalyst according to claim 1 , consisting of:{'sub': '2', 'TiO, as the support, and'}vanadium, antimony and silicon, as the catalytically active components.9. The supported catalyst according to claim 1 , wherein based on the total weight of the support and the catalytically active components claim 1 , the support is contained in an amount of 50 to 97.5% by weight.10. The supported catalyst ...
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