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The adsorption of Hg and NO X on gasifier and combustion by-products was investigated. Carbon-rich fractions were produced by a density separation technique from a gasifier char (GC) and a pulverized coal combustion blended fly/bottom ash (CC) recovered from a pond. Both fractions were subjected to steam activation at 875°C. As-received and activated chars and two commercial carbons developed...
Sulfur dioxide was continuously converted to aqueous sulfuric acid using a polyacrylonitrile-based activated carbon fibre catalyst (PAN-ACF) in a packed-bed reactor system. The qualitative effects of residence time and oxygen, nitrous oxide, sulfur dioxide, and water concentrations were reported in Part 1. The conversion conditions were chosen to be typical of those expected in flue gas streams:...
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