Development of advanced hot-gas desulfurization sorbents. Final report

Technical Report · Wed Oct 01 04:00:00 EDT 1997

DOI:https://doi.org/10.2172/666005· OSTI ID:666005

Jothimurugesan, K; Adeyiga, A A; Gangwal, S K

The objective of this project was to develop hot-gas desulfurization sorbent formulations for relatively lower temperature application, with emphasis on the temperature range from 343--538 C. The candidate sorbents include highly dispersed mixed metal oxides of zinc, iron, copper, cobalt, nickel and molybdenum. The specific objective was to develop suitable sorbents, that would have high and stable surface area and are sufficiently reactive and regenerable at the relatively lower temperatures of interest in this work. Stability of surface area during regeneration was achieved by adding stabilizers. To prevent sulfation, catalyst additives that promote the light-off of the regeneration reaction at lower temperature was considered. Another objective of this study was to develop attrition-resistant advanced hot-gas desulfurization sorbents which show stable and high sulfidation reactivity at 343 to 538 C and regenerability at lower temperatures than leading first generation sorbents.

• Research Organization: Hampton Univ., Dept. of Chemical Engineering, VA (United States)
• Sponsoring Organization: USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)
• DOE Contract Number: FG21-94MC31393
• OSTI ID: 666005
• Report Number(s): DOE/MC/31393--99; ON: DE98054334
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
ADSORBENTS
COBALT OXIDES
COPPER OXIDES
DESULFURIZATION
FRAGMENTATION
FUEL GAS
HOT GAS CLEANUP
IRON OXIDES
MOLYBDENUM OXIDES
NICKEL OXIDES
PROGRESS REPORT
REGENERATION
SURFACE AREA
ZINC OXIDES