Method and apparatus for settling sludge

Details Method and apparatus for settling sludge Method and apparatus for settling sludge

1987-10-15

1989-04-04

Castel, Benoit

Metal treatment

Compositions

Heat treating

134 10, 134 15, 134 34, 134122R, 266107, 266120, 210774, 2102571, 210258, C21D 146

Patent

active

048183032

ABSTRACT:
A method and apparatus for improved settling and handling of sludge in a fused salt bath for treating materials is provided. The apparatus includes a tank divided into a work zone and a salt processing zone, with the salt processing zone having a salt recovery section and a salt heating section. A pumping device is provided which together with adjustable gate means, generate a relatively quiescent flow in the work zone allowing sludge to settle, and a relatively turbulent flow in the salt processing zone and especially the salt heating section, to keep the sludge in suspension.

REFERENCES:
patent: 4078942 (1978-03-01), Luisi et al.
patent: 4138273 (1979-02-01), Lukac et al.
patent: 4149702 (1979-04-01), Foreman et al.
patent: 4487398 (1984-12-01), Lincoln et al.
patent: 4651762 (1987-03-01), Bowden

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