A new way of tracking how sewage sludge flows during thermal treatment could help engineers design better wastewater treatment plants and boost production of biogas. Researchers at RMIT University in ...

Valuable supplies of phosphorus could be recovered from sewage sludge ash, which remains after the sludge has been burned for electric power generation. The method has been developed by chemical ...

Chemical and heat treatment of sewage sludge can recover phosphorus in a process that could help address the problem of diminishing supplies of phosphorus ores. Chemical and heat treatment of sewage ...

Sludge generated from water treatment contains a large amount of water. To prepare for transport or subsequent processing, ...

Researchers have developed a simplified, sustainable method of converting sewage sludge from wastewater treatment into high-value activated carbon that can be used in a wide range of industrial and ...

In pulp and paper mills, cooking chemicals, organic matter for fuel, papermaking raw materials, and water are recovered in their respective processes. Black liquor and white water are not treated as ...

White phosphorus (P₄) is an indispensable raw material for the chemical, pharmaceutical, food, and electronics industries. “Our goal is to secure a sustainable supply of economically important raw ...

Sludge processing prior to final disposal may be divided into the following unit operations: thickening, stabilization, conditioning, dewatering, and thermal reduction. Identify several processes ...

In late 2018, The Maritime Executive featured an editorial by me, Dr. Wei Chen of Wärtsilä Water Systems, on the subject of pollution by sewage from ships which suggested a widening gap between the ...

Study finds the flow behavior of sewage sludge can be used as a tool to gauge how quickly organic matter is dissolving at high temperatures, paving the way for online monitoring. A new way of tracking ...