Denitrification and desulfurization of combustion gases. Quarterly technical progress report No. 2, December 18, 1980-March 17, 1981. Draft

Technical Report · Thu Jan 01 04:00:00 EST 1981

OSTI ID:6292166

Desai, N J; Li, K T; Yang, R T

The major achievement has been in the success in developing the new, two-step NO splitting process. The first step involved absorption of NO and O/sub 2/ with sodium ferrite (Na/sub 2/O.Fe/sub 2/O/sub 3/) pellets at ca. 400/sup 0/C. The nitrated pellets were decomposed at 700 to 750/sup 0/C, when large amounts of N/sub 2/ were formed. At 750/sup 0/C, the fractional conversion of the originally absorbed NO to N/sub 2/ reached a level of 70%. This level is higher than that which can be achieved with the best known catalysts in the direct decomposition process with deep packed-beds. Direct catalytic decomposition with sodium ferrite was also studied. The reaction is first order with respect to NO. This catalyst is far superior than plain iron oxide. In the study of the Fe/sub 2/O/sub 3/ catalyzed sulfation of limestone, it was found that Fe/sub 2/O/sub 3/ catalyzed the chemical rate, but retarded the pore diffusion rates. This result is preliminary and awaits further experimental study. 5 figures.

• Research Organization: State Univ. of New York, Buffalo (USA). Dept. of Chemical Engineering
• DOE Contract Number: AC22-80MC14617
• OSTI ID: 6292166
• Report Number(s): DOE/MC/14617-T2; ON: DE85004224
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
20 FOSSIL-FUELED POWER PLANTS
200202 -- Fossil-Fueled Power Plants-- Waste Management-- Noxious Gas & Particulate Emissions
42 ENGINEERING
424000 -- Engineering-- Pollution Control Equipment-- (1980-1989)
ABSORPTION
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBONATE ROCKS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
DATA
DECOMPOSITION
DENITRIFICATION
DESULFURIZATION
ELEMENTS
EXPERIMENTAL DATA
FERRIMAGNETIC MATERIALS
FERRITES
FLUE GAS
GASEOUS WASTES
HIGH TEMPERATURE
INFORMATION
IRON COMPOUNDS
IRON OXIDES
LIMESTONE
MAGNETIC MATERIALS
MATERIALS
NITRATES
NITRIC OXIDE
NITROGEN
NITROGEN COMPOUNDS
NITROGEN OXIDES
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN
OXYGEN COMPOUNDS
RESEARCH PROGRAMS
ROCKS
SEDIMENTARY ROCKS
SODIUM COMPOUNDS
TIME DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
WASTES
YIELDS