In Brazil it is being used in a large scale anaerobic systems for sewage treatment and there are several good references as well as bad dependin...
Published by Ademar Cesar Ferreira, Partner Director at H2O Engenharia Ltda EPP
In Brazil it is being used in a large scale anaerobic systems for sewage treatment and there are several good references as well as bad depending upon the project design. I believe that it is a very interesting experience for emerging countries which favourable climate conditions. Energy recovery of these systems is still in a developing stage.