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6673325 |
Incineration of waste organic aerosols
A process for treating a waste gas containing condensable organic compounds in the form of an aerosol of liquid particles, in a regenerative thermal oxidation system comprising a combustion chamber...
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6673324 |
Process and apparatus for the removal of dust in a reaction zone
A process for treating a dust containing, gaseous or liquid feed stream in a reactor containing a plurality of particle beds, which have the capability, once the pressure drop across a bed has...
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6669470 |
Method for operating manufacturing equipment including heating furnace
A method for operating manufacturing equipment including a heating furnace is provided. The method comprises the step of spraying a blowdown water that has been in the manufacturing equipment into...
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6667017 |
Process for removing environmentally harmful compounds
A process for oxidizing environmentally harmful compounds which participate in atmospheric photochemical reactions to produce for example ozone and undesirable smog constituents from a fluid, in...
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6652821 |
Purificating agent for flue gas and incinerated ash and purificating method using the same
The present invention provides a purifying agent having an effect of removing or decomposing toxic substances contained in flue gas or incinerated ash. The purifying agent of the present invention...
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6652817 |
Apparatus for processing organohalogen compounds
An apparatus for processing an organohalogen compounds includes a catalyst container containing a catalyst layer, a supplying path for supplying a carrier gas containing organohalogen compounds and...
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6652775 |
Adsorbent compositions
A water vapor adsorption and water retaining composition containing particulate calcium chloride and particulate vermiculite in a flexible container having a side of spun-bonded polyethylene heat...
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6638485 |
Process for treating exhaust gas and exhaust gas treating equipment
A process for treating an exhaust gas contaminated with dust, Hg, NO x , and SO x is provided by adding a mercury chlorinating agent, such as, for example, HCl, NH 4 Cl, or Cl 2 , and ammonia to...
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6627166 |
Gas filtering device
The invention concerns a device for filtering gas comprising a microporous or microfibrous adsorbent filter ( 6 ) and means for forcing an air flow between an exhaust hood ( 2 ) and outlet duct ( 3...
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6620391 |
Process for the catalytic cleaning of the exhaust gas from a combustion plant
Exhaust gas to be cleaned is introduced into a conversion and mixing duct and the exhaust gas flows through the duct along a predetermined longitudinal direction. A reducing agent, such as aqueous...
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6616903 |
Method and apparatus for treating the atmosphere
Method and apparatus for treating the atmosphere to lower the concentration of pollutants, such as ozone, hydrocarbons, nitrogen oxides, sulfur oxides, carbon monoxide and the like, therein in...
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6602486 |
Method for separating and treating exhaust gas of carbon fiber
A method for producing carbon fiber including the following processes: a process for obtaining fine carbon fiber by thermally decomposing an organic compound in a furnace by use of a catalyst; a...
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6595218 |
Cigarette filter
A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile...
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6592782 |
Materials and methods for the separation of oxygen from air
Metal oxides particularly useful for the manufacture of catalytic membranes for gas-phase oxygen separation processes having the formula: A x A′ x′ A″ 2-(x+x′) B y Fe y′ B″ 2-(y+y′)...
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6589318 |
Adsorption powder for removing mercury from high temperature, high moisture gas streams
An adsorption powder for removing mercury and other metals, dioxins, furans and other organic compounds from metal- and organic compound-comtaminated soil and method therefor. The adsorption powder...
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6582497 |
Adsorption power for removing mercury from high temperature high moisture gas streams
There is disclosed an adsorption powder effective for capturing mercury from a high temperature, high moisture gas stream comprising: about 1-97% carbon; about 1-97% of alkaline material; about...
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6578715 |
Product for treating contaminated fluids and method of making and using the same
A product, capable of treating contaminated fluids, preferably gases, is disclosed. The product contains a carrier, an activated metal oxide, an odor counteractant, a carrier for the odor...
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6579506 |
Treatment of gas streams containing reduced sulfur compounds
Gas streams containing non-condensible gases (NCG's) including reduced sulfur compounds, such as hydrogen sulfide, dimethyl sulfide, dimethyl disulfide and mercaptans, are treated to remove the...
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6558454 |
Method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents
A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to...
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6548031 |
Method for purifying a gas stream
The invention relates to a method for purifying a gas stream containing impurities composed of organic compounds, said gas stream flowing out of a reactor ( 1 ) designed for solid phase...
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6544488 |
Method for decomposing a cleaning gas for cleaning a film deposition chamber
A predetermined gas, which differs from a cleaning gas and is not required to be decomposed for evacuation, is introduced into a film deposition chamber provided upstream of a main process, wherein...
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6534024 |
Exhaust gas treatment process
The present invention provides an exhaust gas treatment process wherein exhaust gas containing mercury and sulfur dioxide is subjected to a desulfurization treatment in a desulfurizing absorption...
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6528030 |
Alkaline sorbent injection for mercury control
A mercury removal system for removing mercury from combustion flue gases is provided in which alkaline sorbents at generally extremely low stoichiometric molar ratios of alkaline earth or an alkali...
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6524371 |
Process for adsorption of mercury from gaseous streams
A process for removing mercury and organic compounds from gaseous stream using an adsorption powder, characterized as containing a carbon-based powder and an effective amount of cupric chloride,...
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6521021 |
Thief process for the removal of mercury from flue gas
A system and method for removing mercury from the flue gas of a coal-fired power plant is described. Mercury removal is by adsorption onto a thermally activated sorbent produced in-situ at the...
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6511640 |
Purification of gases
A process for producing a purified gaseous product from a gaseous feedstream such as air containing impurities is disclosed. The impurities such as hydrogen, water vapor, carbon monoxide and carbon...
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6511641 |
Method for abatement of gaseous pollutants
An apparatus and method are provided for treating pollutants in a gaseous stream. The apparatus comprises tubular inlets for mixing a gas stream with other oxidative and inert gases for mixture...
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6508855 |
Aerosol delivery apparatus for chemical reactions
An aerosol delivery apparatus is used to deliver an aerosol into a reaction chamber for chemical reaction to produce reaction products such as nanoparticles. A variety of improved aerosol delivery...
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6508994 |
Method and apparatus for cleaning flue gases
A method and an apparatus for cleaning flue gases with particulate slaked lime are described. In the method, burnt lime is dry-slaked with water to a moisture content of at least 5% by weight, and...
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6506349 |
Process for removal of contaminants from a gas stream
A selected contaminant is removed from a gas stream containing an unselected component that is also absorbed by the solvent, although to a lesser degree than the selected contaminant. In a typical...
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6503469 |
Method for processing polluted fluid containing pollutants
A polluted fluid, such as exhaust gas from a refuse incinerator, containing at least one pollutant, such as volatile organic compounds (VOCs), SOx or NOx, is processed by passing the polluted fluid...
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6503471 |
Process for malodorous gas treatment
Malodorous gases such as amines, organosulfur compounds, hydrogen sulfide, styrene and aldehydes are economically and efficiently treated at ambient temperature and pressure by a catalytic...
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6491884 |
In-situ air oxidation treatment of MOCVD process effluent
An effluent abatement system for abating hydride species in a hydride-containing effluent, arranged for carrying out the steps of: (1) contacting the hydride-containing effluent with a dry scrubber...
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6488902 |
Sterilizer exhaust gas inactivation
A process is provided for removing hydrogen peroxide and oil out the exhaust gas emitted from a sterilization chamber, such as from a STERRAD® medical instrument sterilizer. The exhaust gas is...
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6482375 |
Method for carrying out a chemical reaction
The invention relates to a method for carrying out two chemical reactions in a reactor system comprising at least two mutually separate reactor beds, of which the surfaces exposed to the reactants...
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6482297 |
Method for distilling ammonia
The present invention relates to an improved process for distilling ammonia from a mixture, more particular from a mixture resulting from the reaction between aminonitrile and water (which reaction...
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6475451 |
Mercury removal from gaseous process streams
A process for removing mercury from a gaseous process stream. The process involves contacting a mercury-containing gaseous process stream with a regenerable mercury scavenger solution to form a...
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6468491 |
Elimination of organic pollutants from the passenger compartment of a vehicle by photocatalysis
In a technique for eliminating organic pollutants from the passenger compartment of a vehicle by photocatalysis, the upper face of the dashboard is covered with a layer of photocatalyst. This upper...
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6464950 |
Method for separating and treating exhaust gas of carbon fiber
A method for producing carbon fiber including the following processes: a process for obtaining fine carbon fiber by thermally decomposing an organic compound in a furnace by use of a catalyst; a...
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6451094 |
Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents
A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to...
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6447740 |
Mercury removal from flue gas
The invention is directed to a process for oxidizing gaseous pollutants in a flue gas stream composed of flue gases, water vapour and one or more gaseous pollutants selected from the group...
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6444183 |
Agent for eliminating heavy metals comprising a phosphate compound
The invention concerns an agent for eliminating heavy metals contained in an aqueous effluent comprising: an alkaline metal silicate, an alkaline metal carbonate; a phosphate compound, for example...
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6444184 |
Semidry removal of SO2 in circulating reactor
A semi-dry process for removing SO 2 , from a waste gas involves the introduction of a water-bearing particulate solid alkaline absorbent, as a free-flowing powder, into an absorption zone. The...
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6440379 |
Apparatus to recover sulfur from concentrated acid gas into alkaline solution
An apparatus and method for sulfur recovery uses a scrubber tower with a plurality of vertically spaced scrubber trays in the tower. Sulfide-lean liquor is supplied to each of the trays and an acid...
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6432372 |
Method and apparatus for preventing reactive vapor backstreaming and backstreaming induced deposition
This invention is directed to a method and apparatus of delaying the reaction between a first reactive gas and a second reactive gas as the first reactive gas flows into the second reactive gas....
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6423282 |
Method for the regeneration of an acid gas absorbing fluid containing methydiethanolamine and a (lower alkyl) piperazine
A method for the regeneration of an acid gas absorbing fluid which comprises bringing a gaseous mixture containing an acid gas such as, for example, gasified coal gas, synthesis gas, coke oven gas,...
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6416724 |
Method for cleaning of combustion gas containing impurities
A method is provided for cleaning a combustion exhaust gas containing impurities, such as sulfur oxides and hydrochloric acid, with an additive, such as calcium hydroxide, in a reactor. The...
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6414213 |
Titanium oxide particle-coated interior member or indoor equipment
An interior member or indoor equipment provided on the surface with titanium oxide particles capable of excellent photocatalytic activity even by irradiation of a weak ultraviolet ray present in an...
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6399036 |
Use of solid hydroxides as scavenging materials for cyanide gas
The present invention relates generally to the use of a combination of alkali metal hydroxides and alkaline-earth metal hydroxides as a scavenging material for cyanide gas. In particular, the...
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6395244 |
Storage catalyst
A storage catalyst includes (1) a component that has a catalytic reducing action for nitrogen oxides at least in the presence of hydrocarbons, and (2) a component that stores NOx at least at...
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