Zobrazeno 1 - 10
of 303
pro vyhledávání: '"DAN LUSS"'
Publikováno v:
Industrial & Engineering Chemistry Research. 60:6465-6482
A combined experimental and modeling study of dynamic oxygen storage capacity (DOSC) of ceria-zirconia (CZO) and Al2O3-supported Mn0.5Fe2.5O4 (MFO) spinel using CO and H2 as reductants is conducted...
Publikováno v:
Catalysis Today. 360:375-387
Simultaneous conversion of NO, CO and C3H6 under stoichiometric conditions was carried out on washcoated monoliths containing oxygen storage material (OSM)-promoted mixed Platinum group metals (PGM: Pt(95 %)/Pd(5 %)), to evaluate OSM promotion and to
Publikováno v:
Applied Catalysis A: General. 571:127-136
This article is a theoretical and numerical analysis of experimental results concerning the oscillatory and steady-state behavior during CO oxidation on Pd(100) and Pt(110) catalysts in continuous flow and batch reactors at near atmospheric pressure
Publikováno v:
Chemical Engineering Journal. 355:661-670
Dodecane oxidation on zeolite beta (BEA) was studied on a diesel oxidation catalyst (DOC) comprising Pt-Pd/Al2O3. Oscillatory CO2 formation under steady-state and transient conditions was studied by spatially-resolved mass spectrometry (SpaciMS) and
Publikováno v:
Applied Catalysis B: Environmental. 240:79-91
NOx storage and reduction (NSR) is a cyclic catalytic process that eliminates NOx from lean burn vehicles. Lean-rich switching can achieve a higher conversion than steady state operation. There is an active debate about the NOx reduction mechanism fo
Publikováno v:
Industrial & Engineering Chemistry Research. 57:17516-17521
The 3-D, large-pore zeolite beta (BEA) is effective in trapping large hydrocarbons (HCs). We conducted temperature-programmed desorption (TPD) experiments of a BEA-containing monolithic catalyst prestored with various mixtures of propylene, hexane, a
Publikováno v:
Chemical Engineering Journal. 336:531-543
A diesel oxidation catalyst (DOC) comprising an alumina-based washcoat of Platinum (Pt) and Palladium (Pd) is used to catalyze the oxidation of a diesel exhaust containing hydrocarbons (HCs) with sufficiently high conversion. A large-pore zeolite suc
Autor:
Dan Luss, Vemuri Balakotaiah, Keyvan Daneshvar, Christos M. Kalamaras, William S. Epling, Rama Krishna Dadi
Publikováno v:
Chemical Engineering Journal. 335:1004-1017
A global kinetic model is used to study the light-off behavior of a mixture of CO and HCs ( C 2 H 4 , C 7 H 8 , C 6 H 14 & C 2 H 6 ) on Pt, Pd and combined catalysts. The light-off curves are clustered around 550 K on Pt whereas species light-off tem
Autor:
Rama Krishna Dadi, Dan Luss, Vemuri Balakotaiah, William S. Epling, Sung Bong Kang, Keyvan Daneshvar, Christos M. Kalamaras
Publikováno v:
Chemical Engineering Journal. 323:347-360
A global kinetic model is developed for the oxidation of mixtures of CO, C 2 H 4 (ethylene), C 7 H 8 (toluene), C 6 H 14 (hexane), and C 2 H 6 (ethane) over Pt-Pd/γ-Al 2 O 3 diesel oxidation catalysts with different Pt/Pd molar ratios (100:0, 75:25,
Publikováno v:
Emission Control Science and Technology. 3:205-219
Performance studies of rapid lean-rich cycling over a NO x storage and reduction monolithic catalyst are described. The impacts of reductant type, specifically carbon-free (hydrogen (H2)), olefin (propylene (C3H6)), and alkane (propane (C3H8)) on the