Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1982-04-05
1983-12-06
Marantz, Sidney
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2214, 134 36, B08B 900
Patent
active
044191413
ABSTRACT:
A labyrinthine channel system which may contain parallel channels and dead-end zones is cleaned by flushing with a liquid solvent containing dispersed bubbles of a suspended gas. The gas is in the ratio of at least one volume of gas for each three volumes of liquid. Preferably the ratio of gas to liquid is 1:1 or greater. The liquid is preferably the continuous phase. By injecting pulses of additional gas into the dispersion, even greater effectiveness is achieved. The system is particularly useful in cleaning equipment containing high viscosity substances, such as adhesives.
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Marantz Sidney
Weyerhaeuser Company
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