Integrated boiler, superheater, and decomposer for sulfuric acid decomposition

United States Patent

7,645,437
January 12, 2010
View the Complete Patent at the US Patent & Trademark Office
Integrated Boiler, Superheater & Decomposer Bayonet for Hydrogen Production
Efficient Hydrogen Sulfur Cycle Precursor for H2 Production
A method and apparatus, constructed of ceramics and other corrosion resistant materials, for decomposing sulfuric acid into sulfur dioxide, oxygen and water using an integrated boiler, superheater, and decomposer unit comprising a bayonet-type, dual-tube, counter-flow heat exchanger with a catalytic insert and a central baffle to increase recuperation efficiency.
Moore; Robert (Edgewood, NM), Pickard; Paul S. (Albuquerque, NM), Parma, Jr.; Edward J. (Albuquerque, NM), Vernon; Milton E. (Albuquerque, NM), Gelbard; Fred (Albuquerque, NM), Lenard; Roger X. (Edgewood, NM)
Sandia Corporation (Albuquerque, NM)
11/873,451
October 17, 2007
423/539 ; 422/129; 422/198; 422/200; 422/201; 422/202; 422/205;
B01J 19/00 (20060101); C01B 17/48 (20060101);
423/539 422/129,198,200,201,202,205
FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to Department of Energy Contract No. DE-AC04-94AL85000 with Sandia Corporation.