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A simplified phase diagram of water

Supercritical water oxidation (SCWO) is an innovative, economic and effective destruction method for organic wastewater and sludge and is a realistic alternative to conventional methods. From 1998 to 2007 extensive evaluations of the destruction of sewage sludge by SCWO were performed by Chematur Engineering AB

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Schematic of the AquaCat® process developed for the recovery of precious metal catalysts.

Incineration is the traditional method used to recover precious metals from spent catalysts, but it has a number of drawbacks, particularly from an environmental point of view. Now a British-Swedish joint venture, involving Chematur Engineering AB and Johnson Matthey, has developed a process that uses supercritical water oxidation to recover the precious metals. The technology, …

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Alum Sludge: From waste to valuable product With AquaCritox® recovery process

Alum and iron salts are generally used to promote coagulation in the production of clean drinking water which results in the generation of significant quantities of drinking water sludge. The Alum sludge is typically mechanically dewatered and is currently treated as a waste which cannot be processed through traditional sewage sludge disposal methods and in many cases goes to landfill. This … Read More

Media Events

AquaCritox® will be featured in a forthcoming Discovery Channel Documentary on Energy from Waste Water. Filming at the plant in Cork, Ireland took  place March 24th 2010. Read More

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