Rotterdam dredges millions of cubic metres of mud from its waterways; researchers are turning the waste into bricks without firing or cement

• Kaumera as a bio-based ingredient in a brick made from dredged sediment.
• Image Credit: Kaumera/Official WebsiteRotterdam’s waterways require constant dredging to keep the port’s channels and basins navigable, producing millions of cubic metres of sediment each year.
• Much of this material is currently disposed offshore, but a new research project is exploring a different use for it.