Siloxanes in producer gas from pyrolysis of sewage sludge and a potential solution: PRESENTATION ONLY

Pedros, P.1, Knörle, U.2 and Kukreja, A.3, 1Mott MacDonald, USA, 2ELIQUO Technologies GmbH, Germany, 3Durr Systems, Inc., USA

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Critical Takeaways

• The presence of siloxanes in sewage sludge poses a challenge to the use of thermochemical processes.

• Under sub-critical conditions, siloxanes precipitate to silicon dioxide (silica) at temperatures ≥ 900˚C regardless of the thermochemical process.

• A potential solution exists