Looking for an advanced and sustainable treatment for sewage sludge, pyrolysis has been identified as the best method. Running a pilot plant over the course of a year information about the applicability and reliability of the technology, product quality and operating data has been collected. This presentation will explain the background and the results of the project. After graduating in agricultural sciences from TU-Munich/Weihenstephan Christoph Gareis worked for a private waste management company active all over Germany from 1991 until 2002. There he was in charge of planning, construction and maintenance of biowaste composting plants in Northern Bavaria. Since fall of 2002 he has been overseeing the treatment of organic waste for the environmental association of the capital region of Finland.