Foam and its Effect in the Deinking Operation. A Review, 2016 Pulping, Engineering, Environmental, Recycling, Sustainability (PEERS) Conference Proceedings
Foam is a part of the process in a deinking plant that has flotation deinking cells. However, the nature of the foam is important to ensure effective ink removal from the fiber in the cells. In other parts of the deinking process foam can be an issue. One example would be foam cascading out of a flotation reject tank that causes a cleanup issue or even a safety issue due to foam on the floor.
This paper will discuss the physics of foam: what makes a good deinking foam and what makes up a troublesome hard-to-control foam. Defoamer chemistry will be reviewed focusing on foam modifiers that are used in flotation operations and also true foam control agents.
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