The way antifoaming agents act

screenIn many industrial processes, foams are unwanted products. In order to destroy them, antifoaming agents are used… without really knowing how they act. Those antifoaming agents are dispersions of small particles, which need to break foam films efficiently. We have shown, for the first time, that buoyancy has an important part in the efficiency of those agents. In microgravity, we observed that foams added with antifoaming agent are stable for the duration of the experiment, whereas on Earth they start to disappear immediately.

http://www.nature.com/articles/npjmgrav20154

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About nicovdw

Professor in Physics
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