Invention Grant
- Patent Title: Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts
- Patent Title (中): 提高选择性催化还原催化剂NH3吸附能力的方法和配方
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Application No.: US12884690Application Date: 2010-09-17
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Publication No.: US08138114B2Publication Date: 2012-03-20
- Inventor: Hungwen Jen , George Graham , Robert McCabe
- Applicant: Hungwen Jen , George Graham , Robert McCabe
- Applicant Address: US MI Dearborn
- Assignee: Ford Motor Company
- Current Assignee: Ford Motor Company
- Current Assignee Address: US MI Dearborn
- Agency: Brooks Kushman P.C.
- Agent Damian Porcari
- Main IPC: B01J23/00
- IPC: B01J23/00 ; B01J21/00 ; B01J20/00
Abstract:
A method of providing an automobile exhaust catalyst composition. The method includes acidifying a support composition with a conjugate base oxide of an inorganic acid having a Ka to obtain an acidified support exhaust catalyst composition. The support composition includes a combination of a cerium-containing oxide compound and non-cerium-containing compound selected from the group consisting of alkali metal containing compounds, alkaline-earth metal containing compounds and combinations thereof.
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