Glass foams for environmental applications

logo_smallThe University of Rennes in France is also performing research about cellular glass. Probably they were the first to use AlN as a foaming agent but moreover, they introduce now the use as cellular glass as a support of a catalyst. The use of AlN as a foaming agent was already mentioned in a previous post.

In this paper, Glass foams for environmental applications, they investigate a possible catalyst for toluene. The foaming is done with waste glass and AlN. Other additions like TiO2 and steel waste dust are studied. The foams have all a large open porosity and are probably not interesting for thermal insulation. The following table from the paper give an idea about the experiments.


From this paper, we remember the use of cellular glass as a catalyst support and the a foaming recipe for open cellular glass.

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