Process for depositing alumina onto a substrate and alumina regeneration
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United States of America Patent
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Jun 30, 1981
Grant Date -
N/A
app pub date -
Nov 24, 1976
filing date -
Dec 15, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the concurrent deposition and regeneration of alumina onto a substrate from an aqueous sodium aluminate solution comprising immersing the substrate in an aqueous sodium aluminate solution of which the composition is controlled and adjusted by passage through a regeneration circuit where alumina is added to make up for the quantity deposited. The invention may be used in the production of adsorbents for the lead present in the exhaust gases of internal combustion engines.
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