CONSUMER concern about excessive food miles could help make digested sludge cake from local sewage treatment plants a more desirable source of crop nutrients than bagged fertiliser. As consumers and ...

Pipeline transport of digested wastewater sludge slurries is predicted to be of substantial economic benefit to treatment plant operation as compared with conventional practice of filtration and ...

A study was performed to develop guidelines and a kinetic evaluation for low-temperature aerobic digestion of waste activated sludge. With high-rate activated sludge as feed, various modes of ...

Sludge production in the South West Water region is predicted to rise from 25,000 tonnes dry solids to 48,000 by the 2011, mainly as a result of the marine improvement programme and the cessation of ...

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, ...