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.

AlN-foaming

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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