Method and system for suppression of foam of waste streams

Details Method and system for suppression of foam of waste streams Method and system for suppression of foam of waste streams

B - Operations, Transporting

01

D

B01D 19/04 (2006.01) G21F 9/06 (2006.01) G21F 9/08 (2006.01)

Patent

CA 2220120

A method and a system are disclosed for the suppression of foams during the processing of streams containing waste materials. An additive is introduced into a waste stream and the waste stream is processed for a period of time at an elevated temperature and substantially atmospheric pressure. The tendency toward foam formation is suppressed by particles from the additive becoming suspended in the waste stream. The waste materials containing a substantial reduction of foam are removed from the processing system without the usual spattering and formation of sticky residue which causes fouling and frequent shutdowns of the processing system.

L'invention concerne un procédé et un système qui permettent d'éliminer les mousses pendant le traitement des flux de déchets. On introduit un additif dans un flux de déchets, qui est ensuite traité pendant une certaine durée à une température et une pression sensiblement égale à la pression atmosphérique. La tendance à la formation de mousse est annihilée par une mise en suspension des particules de l'additif dans le flux de déchets. Il est possible de retirer du système de traitement les matières-déchets pour lesquelles une diminution sensible de la mousse est obtenue sans l'inconvénient habituelle des éclaboussures et de la formation de résidus poisseux qui entraînent un encrassement et des arrêts fréquents du système de traitement.

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