Matches 101 - 127 out of 127 < 1 2 3
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4913585 Method of treating solids containing waste fluid  
Waste drilling mud is stabilized for earthern burial. The waste drilling mud may be treated by flocculating, aggregating, agglomerating and dewatering the waste drilling mud and separating out free...
4906302 Solids decontamination method with ammonia  
A method of decontaminating solid material consisting of removing organic hazardous waste from contaminated solid material with an aqueous ammonia solution. The resulting aqueous ammonia solution...
4889640 Method and mixture for treating hazardous wastes  
A method of treating solid hazardous waste containing unacceptable levels of leachable metals such as lead and cadmium includes mixing the solid waste with an agent selected from the group...
4886393 Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities of salt caverns via a downpipe under the force of gravity  
Solid wastes, and wastes to be compacted, are pretreated for introduction into underground salt cavities or salt caverns via a downpipe under the force of gravity by a process in which solid,...
4859367 Waste solidification and disposal method  
The invention provides a new method for solidifying and disposing of waste. The waste is combined and mixed with an alkali-activated silico-aluminate geopolymer binder. The resulting mixture is...
4844815 Stabilization of mercury-containing waste  
A method for stabilizing a mercury-containing waste comprising adding elemental sulfur and cement kiln dust to the waste in amounts effective to reduce the amount of leachable mercury to an...
4793927 Method of treating sewage  
A method of treating sewage is disclosed. Sewage is mixed with an ammonia source, and the mixture is formed into a substantially impermeable mass. The substantially impermeable nature of the...
4762623 Landfill composition and method of producing the same  
A landfill composition containing no free liquid as determined by the paint filter test protocol wherein a 100 ml sample of the landfill composition containing an industrial waste product, placed...
4758420 Solvent extraction of polychlorinated organic compounds from porous materials  
The present invention relates to a process for the solvent extraction of polychlorinated organic compounds from porous materials. Specifically, the present invention describes a process for the use...
4737356 Immobilization of lead and cadmium in solid residues from the combustion of refuse using lime and phosphate  
Solid residues arising from the burning of solid wastes have lead and cadmium sufficiently insolubilized to pass the EPA toxicity test only where the pH in the EPA test is between 7.5 and 12.0....
4726710 Co-disposal pollution control method  
Process for disposal of fossil fuel ash by addition thereto of sodium salts, preferably sodium sulfur oxide salt Na 2 SO x where x is 3 and/or 4, in an amount ranging from 5-85 weight percent...
H000404 Disposal of inorganic chemical wastes  
Recovery and disposing of waste materials containing inorganic chemicals not be effected by incineration to meet environmental regulations as is the situation with waste organic materials. As long...
4687373 Composition to encapsulate toxic metal and/or organic pollutants from wastes  
A coating composition for treating solid wastes is described and includes an aqueous silicate solution containing potassium oxide and silicon dioxide, a catalytic amount of an aqueous sodium borate...
H000283 Chemical technique for sequestering ammonia off-gassing from solidified waste  
A method for sequestering ammonia off-gassing by chemical treatment of certain hazardous wastes prior to solidification of such wastes, the invention involves mixing of magnesium sulfate...
4668124 Disposal of material containing vanadium as landfill  
Materials containing vanadium values which are leachable by water are treated to reduce the leachability of vanadium to minimum practical values, thereby rendering the material suitable for...
4655839 Landfillable composition from iron chloride waste treatment in molten salt  
A solid, water impervious landfillable composition of a process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting...
4601832 Method of processing waste materials, particularly sludge containing noxious metals  
A noxious metal(s) containing waste material is treated with an acid solution of a metal of group VIIa or VIII of the Periodical System, preferably iron or manganese. Subsequently, the metal of...
4584102 Process for the biological degradation of hazardous waste by-products  
A method of decontaminating an impoundment in which waste-water and sludge from a pressure wood treating plant or other industry is stored by constructing a treatment unit in a portion of the...
4576513 Process for terminal storage of pumpable wastes  
Pumpable wastes are mixed in salt caverns with soluble or dissolved salts, which crystallize at the cavern temperature with bonding of water of crystallization; or with organic waste materials...
4539121 Bay mud stabilization  
Aqueous bay mud sludges, such as dredgings, are converted into load supportive masses by partially dewatering the sludge, which contains solid particles of clay, shell and organic matter, to a...
4268188 Process for reducing possibility of leaching of heavy metals from used petroleum cracking catalyst in land fills  
A used petroleum or hydrocarbon conversion or cracking catalyst having metal contaminants thereon which are leachable by water therefrom is treated with tin and/or indium and/or a compound of tin...
4160731 Process for dewatering sewage sludges disinfected with lime  
A copolymer of acrylamide and 3-(methacrylamido)propyl-trimethyl ammonium chloride is effective in the dewatering of sewage sludges that have been disinfected with lime.
4072194 Pumpable epoxy resin composition  
An epoxy resin composition curable to a hard impermeable solid which contains a liquid aromatic diluent having the general formula: C 6 (R 1 ) 6 wherein R 1 is hydrogen; a straight or branched...
3959172 Process for encapsulating radionuclides  
Radionuclides are immobilized in virtually an insoluble form by reacting at a temperature of at least 90°C as an aqueous alkaline mixture having a solution pH of at least 10, a source of silicon,...
3561598 METHOD FOR DISPOSING OF SLUDGE FROM SEWAGE AND INDUSTRIAL WASTES  
An economical process for instantly disposing of sludge from sewage and industrial wastes and manufacturing a useful product therefrom, comprises reducing suspended solids in the sludge and wastes...
3110557 Radioactive waste disposal  
3718003 Title is not available  
Matches 101 - 127 out of 127 < 1 2 3