Kinetic modeling of H2-assisted C3H6 selective catalytic reduction of NO over silver alumina catalyst

Simple Kinetic Modeling of Selective Reduction of Nitric Oxide in Diesel Exhaust Over Cu-Zn/ZSM-5 Monolithic Catalyst

Selective Catalytic Reduction of No Byc3h6 over a Commercial Automotive Iridium Based Catalyst

Ir/TiO2 coated on cordierite monolith was investigated in the selective catalytic reduction (SCR) of NO with propene using a broad temperature range and simulated diesel exhaust gas conditions under the standard mixture (1000 vpm NO, 2000 vpm C3H6, 500 vpm CO, 10 vol.% O2). The physicochemical characterization of the commercial catalyst showed that the BET surface area of the fresh and aged sam...

Selective Catalytic Reduction of CuO/SiO2 Nano-composites towards NO Reduction in Gas-phase

The xerogel samples were prepared by hydrolysis and condensation of tetraethyl orthosilicate (TEOS) by the sol-gel method. In this investigation, a new molar ratio of H2O/TEOS was determined to be 11.7. Also, the necessary amounts of tri-hydrated copper nitrate and penta-hydrated copper sulfate were added to the solution in such a manner that the concentration of the copper oxide in final solut...

Cobalt-based alumina pillared zirconium phosphate catalysts for the selective catalytic reduction of NO by propane.

A series of cobalt containing alumina pillared zirconium phosphate materials have been prepared by ion exchange or by impregnation, and fully characterised. The catalytic behaviour of these materials in the selective catalytic reduction of NO by propane, in excess of oxygen, at temperatures ranging between 350 and 550 degrees C, has been also evaluated. A maximum NO conversion close to 14% is o...

Deactivation Mechanism of Fe/Zeolite Catalysts by C3H6 Coking for Selective Catalytic Reduction of NO with Ammonia

Various Fe-Zeolite catalysts N O c o n v e r s i o n / % Initial activiy After HC coking 30 min Junhua Li*, Ralph T. Yang, Yuhe Wang, Yisun Cheng 3 , Christine K. Lambert Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, (USA) Department of Environment Science and Engineering, Tsinghua University, Beijing, (China) Research & Innovation Center, Ford Motor Company ...