Abstract
Catalyst deactivation and hysteresis behavior in industrial
SO2-oxidation catalysts have been studied in the temperature
region 350-480 C by combined in situ EPR spectroscopy and
catalytic activity measurements. The feed gas composition
simulated sulfuric acid synthesis gas and wet/dry deNOx'ed flue
gas. The vanadium (IV) compound K4(VO)3(SO4)5 precipitated during
all the investigated conditions hence causing catalyst
deactivation. Hysteresis behavior of both the catalytic activity
and the V(IV) content was observed during reheating.
Original language | English |
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Journal | J. Molec. Catal. |
Volume | A |
Issue number | 120 |
Pages (from-to) | 227-233 |
Publication status | Published - 1997 |