| 2021 | Invention | Process for the supercritical oxidation of sewage sludge and other waste streams. 
A process perf... | 
				    			
				    				
				    					|  | Invention | Gasification of organic waste streams. Supercritical gasification of a waste stream uses a superc... | 
				    			
				    				
				    					|  | Invention | Process for the supercritical oxidation of sewage sludge and other waste streams. A process perfo... | 
				    			
				    				
				    					|  | Invention | Treatment process for waste streams. A spent caustic treatment process addresses the shortcomings... | 
				    			
				    				
				    					|  | Invention | A hydrothermal process for oxalate destruction. 224 4 waste stream from an alumina refining proce... | 
				    			
				    				
				    					|  | Invention | A treatment process for waste streams. A spent caustic (SC) treatment process addresses the short... | 
				    			
				    				
				    					| 2020 | G/S | Hydrothermal apparatus and installations for use in the treatment and disposal of sludges from se... | 
				    			
				    				
				    					| 2008 | G/S | Industrial waste purification plants; waste water treatment apparatus and installations, apparatu... | 
				    			
				    				
				    					| 1996 | G/S | Waste water purification plants; apparatus for water supply and sanitary purposes. |