Title of Invention

AN IMPROVED PROCESS FCR THE MANUFACTRE OF SULFURIC ACID

Abstract An improved process for the m manufacture of sulfuric acid, comprising combustion of a source of sulfur with an oxygen-containing gas in a burner to produce a combustion gas stream comprising sulfur dioxide and oxygen. The improvement comprises introducing water vapor into the gas stream at a point between said burner and the said absorption zone, at least a portion of the water vapor reacting with sulfur trioxide in the gas phase; and recovering heat energy from the vapor phase heat in an indirect 1 heat exchanger from said gas stream to stream having a pressure at least about 8 bar higher than the pressure of said water vapor as introduced into the gas stream , or to feed water from which said indirect heat exchanger is located upstream of said absorption zone.
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Documents:


Patent Number 179580
Indian Patent Application Number 313/MAS/1991
PG Journal Number 30/2009
Publication Date 24-Jul-2009
Grant Date 31-Jul-1998
Date of Filing 22-Apr-1991
Name of Patentee M/S. MONSANTO COMPANY
Applicant Address 800 North Libde rgh Bouleverd, St. Louis, Missouri 63167
Inventors:
# Inventor's Name Inventor's Address
1 DONALD RAY MCALISTER 474 BRIGHTSPUR LANE, ST. LOUIS, MISSOURI, 63011,
2 DANIEL ROBERT SCHNEIDER 15456 SCHOETTLER VALLEY COURT, CHESTERFIELD, MISSOURI, 63017,
PCT International Classification Number C01B 17/69
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA