Hazardous or toxic waste destruction or containment inventions 05/08

20080125616 - Method for stabilization of pb and cd from incinerator ash: This invention provides a method for stabilization of incinerator ash subject to acid and water leaching tests or leach conditions by adjustment of the facility acid gas scrubber excess lime and optional addition of stabilization agents, such that leaching of lead and cadmium are inhibited to desired levels. The resultant... Agent: Keith E. Forrester

20080119682 - Aluminum phosphate ceramics for waste storage: The present disclosure describes solid waste forms and methods of processing waste. In one particular implementation, the invention provides a method of processing waste that may be particularly suitable for processing hazardous waste. In this method, a waste component is combined with an aluminum oxide and an acidic phosphate component... Agent: Perkins Coie LLP Patent-sea

20080119683 - Apparatus for separation of constituents from matrices: The present invention provides an apparatus useful for the separation of hazardous and non-hazardous organic and inorganic constituents from various matrices. A method of separating such constituents is also provided.... Agent: Jones Day

20080119684 - In-container mineralization: A method of waste stabilization by mineralization of waste material in situ in a treatment container (24) suitable for treatment, transit, storage and disposal. The waste material may be mixed with mineralizing additives and, optionally, reducing additives, in the treatment container or in a separate mixing vessel. The mixture is... Agent: Nexsen Pruet, Llc

20080114198 - Iron powder for organic chlorinated compound decomposition and detoxifying treatment method using the same: An iron powder for decomposition of organic chlorinated compounds, comprising from 0.03 to 0.5% by weight of Ni and from 0.005 to 5% by weight of carbon, wherein particles having a particle size of less than 53 μm occupies less than 40% by weight, is used. It is particularly preferable... Agent: Sughrue-265550

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