05630991 is referenced by 11 patents and cites 15 patents.

The limestone dissolution rate for limestone-containing slurries used in wet flue gas desulfurization (WFGD) systems is enhanced by the addition of ammonium ions. The ammonium ions may be obtained by incorporating into the limestone-containing slurry gaseous or aqueous ammonia and/or a water-soluble ammonium salt, such as ammonium sulfate, ammonium chloride, or ammonium carbonate. Increasing the limestone dissolution rate for limestone-containing slurries used in WFGD systems allows courser limestone particles, lower limestone stoichiometry and lower slurry recycle rates to be employed, thereby saving capital and operating costs. The ammonium ions may be recovered and reused in the process.

Title
Limestone-based wet flue gas desulfurization process
Application Number
8/291212
Publication Number
5630991
Application Date
August 16, 1994
Publication Date
May 20, 1997
Inventor
Michael L Mengel
Fredericksburg
PA, US
Eli Gal
Lititz
PA, US
Agent
Nixon & Vanderhye
Assignee
General Electric Co
NY, US
IPC
B01D 53/50
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