Influence of gas hourly space velocity on the activity of monolithic catalysts for the simultaneous removal of soot and NOx | Zendy

Sonia Ascaso | Zendy; María Elena Gálvez | Zendy; Patrick Da Costa | Zendy; R. Moliner | Zendy; M.J. Lázaro | Zendy

Open Access

Influence of gas hourly space velocity on the activity of monolithic catalysts for the simultaneous removal of soot and NOx

Author(s) -

Sonia Ascaso,

María Elena Gálvez,

Patrick Da Costa,

R. Moliner,

M.J. Lázaro

Publication year - 2015

Publication title -

comptes rendus chimie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.653

H-Index - 76

eISSN - 1878-1543

pISSN - 1631-0748

DOI - 10.1016/j.crci.2015.03.017

Subject(s) - space velocity , catalysis , nox , cordierite , diesel exhaust , alkali metal , soot , exhaust gas , diesel fuel , chemistry , metal , space (punctuation) , inorganic chemistry , chemical engineering , materials science , waste management , combustion , selectivity , organic chemistry , engineering , linguistics , philosophy

Cordierite-supported structured catalysts were prepared with several alumina-based suspensions containing K, Cs or Ba as alkali promoter, and Co, or Cu as active metals. The prepared catalysts were tested in a lab installation with a gas hourly space velocity (GHSV) from 1300 h−1 to the one representative of the exhaust gases of a diesel engine, i.e. GHSV = 36,690 h−1. Significant differences in the behavior of the catalysts are observed when increasing the GHSV, pointing to different predominant factors taking place in each case depending on the active metal and the alkali promoter used.Authors thank Goverment of Aragón-La Caixa for financial support (Ga-LC-030/2008) and CSIC (201280E123). S. Ascaso thanks European Social Fund and CSIC for her JAE doctoral grant.Peer reviewe

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