VITO is a partner in various projects that are looking for sustainable substitutes for cement. The question is whether we can replace cement in concrete with other raw materials or waste that is otherwise used as a filler in raw materials for paving. For example, think of blast furnace slag and fly ash. But investigations are also underway to establish whether incineration ash is a worthy substitute in cement compositions, for example. At present, this incineration ash is still being used in dike construction in the Netherlands.

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