PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 07.99 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
Claim 5: Gas phase contg S oxide is contacted at 700 - 820C with solid sorbent, the IMPROVEMENT, wherein - Said sorbent comprises a fluidized bed of regenerable par ticulate sorbent having size 20 - 300 microns & having a layered HYDROTALCITE sheet having a brucite cryst. structure contg magnesia & alumina present in brucite struc ture in magnesia/alumina = 3:1 to 8:1 together with a S oxide replaceable anion, said hydrotalcite sheet having breadth to thickness ratio of 50:1 to 5000:1 |
PATENT PHOTOCOPY | Available on request |
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