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Class 588/318 - Detoxification by using acid or alkaline reagents (EPO/JPO)


Subclass of Class 588 - Hazardous or toxic waste destruction or containment
Definition: Subject matter wherein an acid or a base is used to chemically
No. of patents: 191
Last issue date: 04/02/2013


1          
NumberTitleIssue Date
8410330Composition to control acid rock drainage
A composition to control acid rock drainage is provided. The composition includes a slurry made from water and solids, the solids containing powders of limestone, clay and magnesium oxide or magnesium hydroxide. In some instances, the slurry is thixotropic and conta...
04/02/2013
8278496Method in connection with steel production
The invention relates to a method in connection with steel production for handling of hydroxide sludge formed in the neutralization of spent metal-contaminated pickling agents from a pickling step for steel, preferably stainless steel and for using calcium fluoride ...
10/02/2012
8178743Method of chemical treatment of soils containing hazardous substances susceptible to nucleophillic attack
A method for remediating hazardous materials susceptible to nucleophillic attack is disclosed wherein sodium hydroxide is applied to a treatment zone in situ for raising the pH of the treatment zone to at least about 12.5 so that alkaline hydrolysis effectively brea...
05/15/2012
8115045Nuclear waste removal system and method using wet oxidation
Methods for removing nuclear waste from a component are provided. In one embodiment, the method includes the steps of supplying oxalic acid to the nuclear waste on the component to form an oxalic acid/waste solution, feeding the oxalic acid/waste solution from the c...
02/14/2012
8115046Micro encapsulation composition for hydrocarbons and detoxification of highly hazardous chemicals and substances
A two-component, water based micro encapsulation composition and method for the cleanup of hydrocarbon spills or contaminates on various surfaces and media. The two-part formulation includes a first solution including water in a predetermined ratio of a water solubl...
02/14/2012
8008537Method for eliminating pollutants contained in an elastic part
A method of eliminating pollutants contained in an elastomer part, the method including a step of extracting pollutants by immersing the part in a solvent, the solvent being ethanol. ...
08/30/2011
7910788System for treating infectious waste matter
A system and method is provided for producing a safely disposable end product from waste matter containing undesirable materials, such as infectious, biohazardous, hazardous, or radioactive elements. An apparatus is provided that immerses the biologically infectious...
03/22/2011
7605297Method for extracting impurities using ionic liquids
The invention relates to a process for the extractive removal of phenols, alcohols, amines, phoshines, hydroxylamines, hydrazines, oximes, imines, water, carboxylic acids, amino acids, hydroxamic acids, sulfinic acids, sulfonic acids, peroxycarboxylic acids, phospho...
10/20/2009
7390432Enhanced formulations for neutralization of chemical, biological and industrial toxants
An enhanced formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents, and toxic industrial chemicals. The enhanced formulation accordin...
06/24/2008
7338540Decomposition of organic azides
A method of decomposing an organic azide is provided and comprises allowing an organic azide to contact a catalytic metal halide, main group halide, mixed metal-main group halide, or mixture thereof. Organic azide fuel sources comprising an organic azide/catalyst co...
03/04/2008
7282470Decontamination formulation with sorbent additive
A decontamination formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents, and toxic industrial chemicals. The formulation provides so...
10/16/2007
7276640Metal oxide nanoparticles for smoke clearing and fire suppression
Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic...
10/02/2007
7276468Granulated decontamination formulations
A decontamination formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents, and toxic industrial chemicals. The formulation provides so...
10/02/2007
7271137Decontamination formulations for disinfection and sterilization
Aqueous decontamination formulations that neutralize biological pathogens for disinfection and sterilization applications. Examples of suitable applications include disinfection of food processing equipment, disinfection of areas containing livestock, mold remediati...
09/18/2007
7265254Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system
Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the heating device is maintained at 400 to 1500° C., chlorine that is con...
09/04/2007
7264783Device and method for neutralizing chemical agents
The Chemical-agent Access and Neutralization System (CANS) of the present invention is a small, portable, single-use, disposable chemical treatment apparatus that is used to access and treat Chemical Agent Identification Set (CAIS) ampoules, bottles and/or container...
09/04/2007
7225716Process for removing the fuze from explosive projectiles using fluid jet technology
A process for defuzing explosive projectiles using fluid jet technology. It is preferred that two or more projectiles be defuzed simultaneously in the same defuzing apparatus. The explosive material can also be removed from the casing by fluid jet technology, after ...
06/05/2007
7186877Chemical detoxification of vesicants and related chemicals in mobile disposal systems
Methods and systems for processing vesicants as well as other irritants are described. In some methods a vesicant, for example, a Lewisite such as the L1 form, the L2 form, L3 form, or combination thereof, is combined with permanganate, for example, as an aqueous so...
03/06/2007
7186344Membrane based fluid treatment systems
A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream module or any combination thereof, and a membrane module, is provided. Th...
03/06/2007
7183453Method for treating infectious waste matter
A system and method is provided for producing a safely disposable end product from waste matter containing undesirable materials, such as infectious, biohazardous, hazardous, or radioactive elements. The method comprises the steps of providing a highly basic solvent...
02/27/2007
7163205Recovery apparatus for fragmented ballistic materials and method for collection of the same
The present invention provides a ballistic testing recovery apparatus and method for allowing post impact analysis of pyrophoric projectile debris wherein the apparatus comprises a containment chamber having an interior volume filled with a solvent-soluble granulate...
01/16/2007
7160526Process for detoxification of CCA-treated wood
A chemical process for detoxifying spent CCA (copper, chrome, arsenic)—treated wood, from which CCA and detoxified wood are recovered for recycling comprising the steps of (a) treating CCA-treated wood in the presence of a liquefying reagent such as an organic sol...
01/09/2007
7160458Method for purification of process water from a kerosene desulfurization plant
Method for purification of process water, in particular coming from a kerosene desulfurization plant, and related plant, comprising the steps of neutralizing the process water, carrying out a washing of the process water by a solvent, and biologically treating the p...
01/09/2007
7144362Method for chemically stabilizing waste materials containing multivalent oxyanions
A method of chemically stabilizing multivalent oxyanions in residue materials such as wastes from glass manufacturing facilities which method involves adding to the residue material cement, lime and aluminum sulfate to form a clay-like material having a low leachabi...
12/05/2006
7132513Bifunctional chelating agent
The invention concerns a ligand comprising wherein n is an integer from 1 to 5, X represents —NO2, —NH2, —NCS, —NHCOCH2-Z. NHCO—W—COCNHS, —NH-Q, —NHCS-Q, —NHCOCH2-Q, or —NHCO(CH2)m...
11/07/2006
7128006Process for rendering an ash inert, artificial pozzolana obtained by means of the said process
Process for rendering inert an ash originating from the incineration of municipal waste, according to which the ash is subjected successively to treatment (19) with a water-soluble phosphate (20) in the presence of water, under conditions adjusted to c...
10/31/2006
7125497Reactive formulations for a neutralization of toxic industrial chemicals
Decontamination formulations for neutralization of toxic industrial chemicals, and methods of making and using same. The formulations are effective for neutralizing malathion, hydrogen cyanide, sodium cyanide, butyl isocyanate, carbon disulfide, phosgene gas, capsai...
10/24/2006
7087805Use of an ozone containing fluid to neutralize chemical and/or biological warfare agents
A method and apparatus for neutralizing biological and/or chemical warfare agents using an ozone-containing solution. The ozone-containing solution is produced by combining ozone-containing gas with an ozone vehicle, such as an organic solution. The ozone-vehicle pr...
08/08/2006
7074174Methods and apparatus for encapsulating hazardous debris
A method of collecting, treating, transporting and disposing of hazardous debris which combines the standards of macroencapsulation and microencapsulation and involves the use of a liner to contain hazardous debris together with reagents that reduce leachability of ...
07/11/2006
7073424Method and plant for the destruction of a fuze mounted on a munition
The invention concerns the field of ammunitions equipped with their fuze, found on the battlefield. Such ammunitions represent a major pyrotechnic risk. The problem consists in destroying the fuze so as to be able to dismantle said ammunition. The method consists in...
07/11/2006
7045606Bifunctional chelating agent for actinium
The invention concerns a ligand comprising (I) wherein n is an integer from 1 to 5 Y is CO2H or PO3H2T represents —X or -phenyl-X, wherein X represents NO2, NH2, NCS, NHCOCH2-Z, NHCO—W—COCNHS, —NH-Q, —NHCS-Q, —NHCOCH2-Q, or NHCO(CH2)m-Q where Q is a hapt...
05/16/2006
7034198Method for decomposing plastic
A conventional method of pyrolytically decomposing plastic to make low-molecular compounds is poor in efficiency of use of energy due to high heating temperatures (at least 600° C. and 800° C. at maximum). The invention provides that a functional powder is ...
04/25/2006
7030071Solid-water detoxifying reagents for chemical and biological agents
Formation of solid-water detoxifying reagents for chemical and biological agents. Solutions of detoxifying reagent for chemical and biological agents are coated using small quantities of hydrophobic nanoparticles by vigorous agitation or by aerosolization of the sol...
04/18/2006
7029635System for treating material containing noxious components
A system for treating a treatable material containing a noxious component, which comprises a mixer for mixing a treatment agent containing alkali material with the treatable material to form a mixture, at least one first heat treating furnace for producing a low oxy...
04/18/2006
7019189Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass
The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil...
03/28/2006
7005117Method for removing harmful components in an exhaust gas
A method of removing harmful components of a perfluorocarbon gas or a perfluorocompound including the step of mixing at least one of a hydrocarbon gas and NH3 gas with an exhaust gas containing a perfluorocarbon or a perfluorocompound discharged from manu...
02/28/2006
6984769Treatment of surfaces to stabilize heavy metals
A reactive coating composition and method for treating a surface including heavy metals by applying the reactive coating composition to the surface. The surface can be, for example, a paint layer containing heavy metals. The reactive coating composition includes a s...
01/10/2006
6929200Method for preventing asbestos from freeing airborne particles
The method for preventing asbestos from freeing airborne particles comprises sequentially heating and the asbestos in the following surrounding temperatures values and maintaining the asbestos in these surrounding temperature values until the asbestos changes to the...
08/16/2005
6692715Silica nanofibers and method for preparing them
Disclosed are novel silica gel nanofibers having an outer diameter lower than 100 nm, a length of up to 1 cm, a specific surface area of from 600 to 1000 m2 /g and pore diameters of from 2 to 10 nm. Also disclosed are novel silica glass nanofib...
02/17/2004
6668947Drill cutting treatment method
A method and apparatus for treating for disposal oil-contaminated clay substrates such as drill cuttings from drilling with an oil-based mud. If necessary, the substrate is pretreated with an aqueous emulsion breaker such as alkylbenzenesulfonic acid. The...
12/30/2003
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