Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1988-10-13
1990-06-05
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
55 78, 55233, B01D 1902
Patent
active
049310720
ABSTRACT:
In a method and an arrangement for breaking a foam, especially in installation for wet chemical treatment of printed circuit boards with stations in which a treatment liquid is sprayed in a working plane onto a substrate to be treated and from where it is discharged into a supply tank located underneath, a produced foam is aspirated from a supply tank, and the aspirated foam is passed through at least one chamber which contains filling bodies on which foam bubbles burst on contact therewith.
REFERENCES:
patent: 3335549 (1967-08-01), Hendrix
patent: 3960525 (1976-06-01), Coggins
patent: 4629475 (1986-12-01), McArdle et al.
Nozick Bernard
Schering Aktiengesellschaft
Striker Michael J.
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