ECO123 spoke to the inventor of a completely new method of producing recycled paper, the biologist Dr. Philipp Althöfer (47). He studied natural sciences at the universities of Düsseldorf, Bonn and Cologne. The topic for his diploma thesis was: Biotechnical treatment of process-water using the example of a paper factory processing scrap paper in a large city. And his 2001 doctoral thesis: Softening and re-use of biologically treated circulation water from paper manufacture. Althöfer is a lecturer at the University of Cologne, teaching the course “Biological Cleaning of Wastewater”. Just before this edition went to press, Althöfer showed ECO123 the …
Read More »