Process for depositing alumina onto a substrate and alumina rege

Details Process for depositing alumina onto a substrate and alumina rege Process for depositing alumina onto a substrate and alumina rege

1976-11-24

1981-06-30

Smith, Ronald H.

Coating processes

With post-treatment of coating or coating material

Coating material recirculation or regeneration

427380, 427435, 4273722, B05D 140

Patent

active

042763274

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.

REFERENCES:
patent: 2791516 (1957-05-01), Chambers et al.
patent: 2941902 (1960-06-01), Talmey et al.
patent: 3025188 (1962-03-01), Larch et al.
patent: 3227659 (1966-01-01), Brandenburg et al.
patent: 3231520 (1966-01-01), Leak et al.
patent: 3362783 (1968-01-01), Leak

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