Journal
JOURNAL OF CATALYSIS
Volume 314, Issue -, Pages 73-82Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2014.03.018
Keywords
One-pot synthesis; Silicoaluminophosphate; SAPO-34; Selective catalytic reduction (SCR); Nitrogen oxides (NOx)
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Funding
- Haldor-Topsoe
- Spanish Government through Consolider Ingenio [MAT2012-37160]
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A Cu-SAPO-34 material with very high activity for selective catalytic reduction (SCR) of NOx and hydrothermal stability has been synthesized following a sequential rationalized design. By using specific combinations of organic structure directing agents (OSDAs) and gel compositions in a one-pot method, it was possible to control Cu occupancy, framework Si distribution, and to maximize the yield of solids. The amount of Cu2+ is maximized and remains stable even after steaming at 750 degrees C for 13 h. (C) 2014 Elsevier Inc. All rights reserved.
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