Hazardous or toxic waste destruction or containment inventions 06/06

20060129018 - Processes for immobilizing radioactive and hazardous wastes: The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the waste. Each of the processes create a barrier against leaching and diffusion of the wastes. The first barrier is created by...

20060129019 - Material for treating harmful substance and method for treating harmful substance using the same: The present invention relates to a harmful material remediating agent comprising a metal oxide and a reducing material, and it can remediate environmental pollutants such as harmful organic compounds and nitrate or nitrite nitrogen-containing compounds efficiently and at low cost....

20060129020 - Recirculating combustion system: The recirculation combustion system is installed in the exhaust stream of a combustion chamber to increase exhaust cleanliness and thermal efficiency. The system directs hot exhaust gases through a filtering system to remove the larger particulate materials and pollutants, and then return the gas back to the combustion chamber. This...

20060129021 - Pesticidal composition: A pesticidal composition comprising 4-phenoxyphenyl 2-(2-pyridyloxy)propyl ether; a hydrophobic organic solvent capable of dissolving 0.1-fold by weight of 4-phenoxyphenyl 2-(2-pyridyloxy)propyl ether at 0° C.; polyvinyl alcohol; a nonionic surfactant selected from the group consisting of alkoxylated castor oil, alkoxylated hydrogenated castor oil and alkoxylated hydrogenated castor oil fatty acid ester;...

20060116545 - Method for stabilization of paint residue: This invention provides a method for stabilization of paint residue subject to acid and water leaching tests or leach conditions by addition of stabilizing agents within an OSHA containment building or collection device such that leaching of lead is inhibited to desired levels. The resultant waste after stabilization is deemed...