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U.S. Department of Energy
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Desulfurization sorbent development at the Morgantown Energy Technology Center

Technical Report ·
DOI:https://doi.org/10.2172/10185694· OSTI ID:10185694
; ;  [1];  [2]
  1. USDOE Morgantown Energy Technology Center, WV (United States)
  2. EG and G, Inc., Morgantown, WV (United States)

The overall objective of this project is to develop regenerable sorbents for hot gas desulfurization in IGCC systems. The major criteria for the development of novel sorbents included reasonable chemical reactivity and physical durability during repeated sulfidation and regeneration cycles. Various formulations of zinc ferrite and zinc titanate in the form of extrudates and spherical pellets have been studied at the Morgantown Energy Technology Center (METC) for removal of sulfurous gases from coal gasification gas streams. Problems of decrepitation and spalling have occurred after sulfidation and regeneration of these sorbents. Z-Sorb, a proprietary sorbent developed at Phillips Petroleum Company, showed good physical durability during testing at METC, but there was a continuous decrease in reactivity during multiple cycle tests due to steam regeneration. A series of novel sorbents containing zinc oxide have been developed at METC to address these problems. These METC-developed sorbents showed superior performance during a 20-cycle, high-pressure, fixed-bed test with steam regeneration conducted at METC. Nine sorbents were prepared, but results are given for only three.

Research Organization:
USDOE Morgantown Energy Technology Center, WV (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
OSTI ID:
10185694
Report Number(s):
DOE/METC/C--94/7153; CONF-9406131--28; ON: DE95000578; NC: NONE
Country of Publication:
United States
Language:
English