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SNOX Flue Gas Treatment for Boilers Burning Pet Coke... Makes Petcoke More Attractive for Power and Heat Generation

Publication source:
Petcoke Conference
Publication date:
23.02.2007
Author:
Frands Jensen
The SNOXTM process is a regenerative, catalytic flue gas cleaning process, which removes up to 99% of SO2 and SO3, up to 96% of NOx and essentially all particulates from flue gases. The sulfur is recovered as commercial grade concentrated sulfuric acid while NOx is reduced to N2. The process does not consume water or materials, except for ammonia for the catalytic NOx reduction, and it does not generate any secondary sources of pollution, such as waste water, slurries or solids. The operation cost of a SNOXTM plant decreases with increasing sulfur content in the flue gas, even before taking credit for sales of the produced sulfuric acid. The process is in particular suited for treatment of flue gases with high contents of SO2 and SO3 and heavy metal oxides from combustion of petroleum coke and other petroleum residues with none of the environmental and operational problems encountered with other FGD processes. With SNOXTM- equipped downshot boilers, up to 100% high sulfur petcoke can be burned with no more environmental or operating problems than with normal coal fired boilers equipped with normal FGD scrubbers.
SNOX Flue Gas Treatment for Boilers Burning Pet Coke... Makes Petcoke More Attractive for Power and Heat Generation