Hazardous or toxic waste destruction or containment inventions

20080103347 - Process to wash polymers contaminated with polychlorinated biphenyls (pcbs): A process of washing plastics contaminated with polychlorinated biphenyls (PCBs) is provided to reduce the concentration of the PCBs. A two-step process includes a first washing step using a selected washing solution or solvent, such as, a non-flammable solvent, and followed by a second step using thermal desorption. The two-step... Agent: Joan Pennington

20080103348 - Processes for treatment of solid wastes containing heavy metals: Processes for treating hazardous wastes, such as impacted soils containing hexavalent chromium, to simultaneously both reduce Cr(VI) to Cr(III) and control leaching of chromium in soil or disposed waste. The processes includes a one-step reagent addition that results in treatment of the impacted materials in a single pass. The processes... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20080097135 - Electrode containers and associated methods: Electrode containers and associated methods are provided. In one embodiment, an electrode container includes sides and a top, and the top includes an opening adapted to receive a rod of an electrode. A plurality of flexible members are interconnected about the perimeter of the opening, wherein at least some of... Agent: Intellectual Property

20080097136 - Method of preventing exposure of asbestos-containing material, method of treating asbestos-containing waste material, method of melt treating asbestos-containing waste material, asbestos-containing waste material treated article, and asbestos-containing m: The present invention relates to a series of techniques for treating a waste material of an asbestos-containing material, from emergency treatment, dismantling, or transportation of an already constructed asbestos-containing material to a heating and melting treatment of the dismantled asbestos-containing waste material. The preset invention provides a method of preventing... Agent: Oliff & Berridge, PLC

20080097137 - Waste treatment process and apparatus: The present invention provides a process for the treatment of waste, the process comprising a gasification step comprising treating the waste in a gasification unit in the presence of oxygen and steam to produce an offgas and a char, and a plasma treatment step comprising subjecting the offgas and the... Agent: Senniger Powers LLP

20080097138 - Mercury contamination extraction: Mercury is removed from contaminated waste by firstly applying a sulfur reagent to the waste. Mercury in the waste is then permitted to migrate to the reagent and is stabilized in a mercury sulfide compound. The stable compound may then be removed from the waste which itself remains in situ... Agent: Brookhaven Science Associates/ Brookhaven National Laboratory

20080091054 - Method of synthesizing air-stable zero-valent iron nanoparticles at room temperature and applications: P