Join our growing army of changemakers and get unlimited access to our premium content The TEG Silo-Cage consists of a bank of 4-20 large silos, with walls made out of stainless-steel mesh. To maximise ...

In the quest to "clean up our act" in modern society, urban sewage and the way we manage its disposal, has become an important issue. John Jardine, who knows a lot about traditional aerobic aeration, ...