ZaaK Technologies GmbH

ZaaK is an innovative and technology-driven start-up which focuses on recycling industry waste and transforming it into novel products. ZaaK treats industrial waste to offer economical, sustainable and environmentally-friendly solutions.

One of the processes is a unique patented technology for producing a defined and high-quality lightweight engineered sand or smart sand or ZaaK™Sand from fly ash (waste) from coal-fired power plants with positive effects on buildings in smart cities and the environment in terms of energy efficiency and resource efficiency.

Information can be found at