Since 1996 the HANSEATEN-STEIN GmbH (HZG) operates a brick-factory in Hamburg, Germany, which utilizes contaminated sediments from the Port of Hamburg as main raw material for the production of facing bricks (HANSEATEN-STEIN~(~R)) for the North-German building industry. The factory is running at an industrial scale, producing up to 5 million bricks per year utilizing up to 35.000 t of drained port sediments. It has been proven that it is technically possible, ecologically reasonable and economically attractive to utilize contaminated port sediments as the main ingredient for a facing brick. The know-how accomplished serves as a base for a planned large scale industrial plant in Hamburg, Germany, utilizing annually 300.000 t of drained port sediments.
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