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7588745 |
Silicon-containing products
A method for producing carbon-silica products from silica-containing plant matter such as rice hulls or straw by leaching with sulfuric acid to remove non-silica minerals and metal while adjusting...
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7309676 |
Remover for heavy metals contained in water
A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or...
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7017757 |
Mechanically stable, porous shaped activated carbon article and filtering system
The invention relates to a mechanically stable, porous shaped activated carbon article having a first three-dimensional framework structure based on carbonized resin, a second three-dimensional...
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6986843 |
Water purifier
Water purifier includes a container having a room, a filtering material disposed in the room for purifying water for catching particles and fungi such as polio viruses. The filtering material is a...
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6906003 |
Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel
A system and method for sorption and desorption of molecular gas contained by storage sites of graphite nano-filaments randomly disposed in three-dimensional reticulated aerogel.
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6723296 |
Material and method for treating gaseous media containing volatile organic compounds
The invention relates to a material for treating gaseous media containing volatile organic components. According to the invention, the material is porous and exhibits an absorption capacity of...
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6716366 |
Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment
Novel compositions are described for use in nitrate removal and treatment of water such as water and wastewater streams produced by processes in mining operations, agriculture industries...
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6699561 |
Activated carbon molded body and use thereof
An activated carbon molded body, more particularly in honeycomb form and for use as an adsorption filter, can be produced from a mixture including activated carbon, water, novolak powder, clay,...
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6429165 |
Polymer-bonded material
A polymer-bonded granular adsorptive, absorptive, chemisorptive, or catalytically active material and a process for producing molded bodies from this material. An objective was to develop a...
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6297187 |
Catalyst for improving the performance of liquid hydrocarbon fuel
The present invention provides a method of making a catalyst for improving the performance of liquid hydrocarbon fuel. The treating agent for improving the performance of liquid hydrocarbon fuel is...
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6117810 |
Manufacturing method of complex molecular sieve compound
The present invention relates to a manufacturing method of molecular sieve compound and in particular, to a manufacturing method whereas crystalline aluminosilicate salt is formed in the pores of...
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5972525 |
Solid particle containing active carbon, support and catalyst
Solid particles which comprise a substantially homogeneous mixture of an active carbon and an attrition-resistant inorganic substance and which have an average particle size of smaller than 300...
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5893946 |
Combustible carbonaceous compositions and methods
A combustible carbonaceous composition and method of making a charcoal briquette wherein a finely divided carbonaceous material is combined with an activated carbon and/or an activated graphite...
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5846431 |
Method for removing dyestuff in dyeing waste and a dyeing stuff removing preparation
A preparation for removing dyestuff in dyeing waste water includes a carbonized carbonaceous material and powdery or granular bakuhanseki deposited on the surface of the carbonized carbonaceous...
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5837741 |
Composite microporous carbons for fuel gas storage
A method of making a microporous carbon material which includes providing a precursor selected from the group consisting of crystalline salts of aromatic sulfonates and nonporous polymeric salts....
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5769933 |
Activated carbon foundry sand additives and method of casting metal for reduced VOC emissions
An activated carbon and/or activated graphite foundry sand additive, and method of casting molten metal against a foundry sand containing the additive composition. In another embodiment, the...
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5719101 |
Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications
The porous granular material according to the invention comprises carbon, silica, water-soluble mineral salts and water-insoluble mineral salts, does not disintegrate in the presence of water and...
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5695554 |
Foundry sand additives and method of casting metal, comprising a humic acid-containing ore and in-situ activated carbon or graphite for reduced VOC emissions
The present invention is directed to a foundry sand additive composition, and method of casting molten metal against a foundry sand containing the additive composition. The additive composition...
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5637544 |
Reactive membrane for filtration and purification of gases of impurities and method utilizing the same
A reactive membrane for removing impurities, such as water, oxygen and organic compounds, from a gas is provided. The reactive membrane includes a porous inorganic substrate having exposed surfaces...
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5632788 |
High porosity calcium silicate mass for storing acetylene gas
A hardened asbestos-free, porous, calcium silicate filler material for an acetylene storage vessel is made by mixing quicklime with water to form a first mixture and at the same time mixing water,...
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5599764 |
Size selective hydrophobic adsorbent for organic molecules
The present invention relates to an adsorbent formed by the pyrolysis of a hydrophobic silica with a pore size greater than 5 Å, such as SILICALITE™, with a molecular sieving polymer precursor...
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5518910 |
Low density glassy materials for bioremediation supports
A bioremediation support for the support of microorganisms used in the biotreatment of an aqueous waste stream or contaminated vapor is made of a low-density siliceous glassy material. This...
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5503931 |
Moisture absorbing material and methods of production
An improved moisture absorbing amorphous silicate material formed by the steps of: parboiling rice under 22 psi and at a temperature above 212 degrees F. to force bran into the rice grain and...
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5488021 |
Activated carbon bodies having clay binder and method of making same
A body made of activated carbon particles bonded together with a clay binder which can be attapulgite and/or sepiolite, and a plasticizing organic binder. The organic binder is more typically...
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5403809 |
Composite inorganic supports containing carbon for bioremediation
Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria and which are upset resistant to acids and bases. The bodies have a...
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5385876 |
Activated carbons molecularly engineered
A highly microporous adsorbent material is formed as a composite of a natural or synthetic clay or clay-like mineral matrix intercalated with an active carbon. The mineral is prepared and selected...
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5376609 |
Activated carbon bodies having bentonite and cellulose fibers
A body made of carbon particles bonded together with bentonite clay and cellulose fibers, wherein in weight percent based on carbon, the bentonite content is about 4% to 20%, and the cellulose...
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5350728 |
Method of preparing a solid mass for mercury recovery
A solid mass for the recovery of mercury, comprising a solid mineral support or dispersant, essentially copper and sulphur at least partly in the form of copper sulfide is produced by the following...
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5294585 |
Preparation of particulate composite material with carbon matrix
The present invention concerns a polyphase particulate composite material containing a microporous phase which is essentially carbon whose microporous volume is between 0.1 cm 3 /g and 1 cm 3 /g,...
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5238899 |
Active carbon for deodorization and process for preparation thereof
Disclosed is an active carbon for deodorization, which comprises a deodorizing functional group fixed to a graphitic six-membered ring on the surface of the active carbon, through a silanol bond.
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5212131 |
Low pressure drop filter
A filter for removing contaminants from a gas contains a support material and, deposited on the support material, a first component which is an oxide, a hydroxide or a mixture of an oxide and...
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5151402 |
Silylation of charcoal to increase its hydrophobicity
When charcoal is used as an adsorbent, its effective lifetime is decreased by the adsorption of water vapor. A process is described whereby the charcoal is treated with an effective amount of a...
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5118655 |
Water contaminant adsorption composition
A very effective adsorption composition has been produced for the removal of heavy metal ions, halocarbons, aromatic organics, radon and microbiological substances from water. This adsorption...
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5094736 |
Method and means for improved gas adsorption
A dense pack gas adsorbent means comprising at least one particulate gas adsorbent having a particulate size distribution in which the largest small particles are less than one-third (1/3) the size...
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5086022 |
Reaction medium improving the characteristics of absorption and of desorption of a gas
Process for improving the characteristics of absorption and desorption of a gas by a reaction medium consisting of several salts in powder form and a porous solid product, characterized in that it...
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5037791 |
Porous metal oxide supported carbon-coated catalysts and method for producing same
Supported carbon-coated catalyst material and a method for producing and using same in catalytic reaction processes, preferably in ebullated or fluidized catalyst beds. The catalyst materials are...
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5021378 |
Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use
Molded articles based on pyrogenically prepared silicon dioxide and having the following physical-chemical characteristic data: TBL ______________________________________ External diameter 2 to 15...
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4963519 |
Composite adsorbent
Disclosed is a composite adsorbent consisting of a molded body of homogeneous mixture comprising powdery active carbon and hydrous alumina of the pseudoboehmite type. This composite adsorbent has...
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4954469 |
Granulated activated carbon for water treatment
A granulated activated carbon is produced by spherically agglomerating activated carbon powder in an aqueous slurry in the presence of a bridging liquid and a binder. At least about 50% of the...
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4831010 |
Absorbent sack for cleaning up and containing liquid spills
A product for performing tasks of absorbing and containing oils and liquids, being a sack of nonwoven textile, fully enclosed, containing absorbent material which is rice hull ash, a waste product...
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4793837 |
Gaseous filter construction
An improved filter pad particularly useful to remove offensive pet odors emanating from animal crates and in aquariums is disclosed. The filter pad includes a base formed of unwoven, randomly...
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4780239 |
Ion exchange resin for immobilizing radioactive waste
Disclosed is a method of making an ion exchange material. A ceramic material is ion implanted with sulfur, carbon, phosphorus, or nitrogen, which is oxidized to sulfate, carboxylate or carbonate,...
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4765458 |
Asbestos free hardened monolithic filler mass
A calcium silicate filler mass for use in storing a gas solution or liquid gas, said filler mass having a high compressive strength and containing at least 0.5 weight percent reinforcing carbon...
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4745096 |
Bagasse residue filter materials and activated carbon products and methods of manufacturing the same
This invention relates to products obtained from sugar mill boiler ash, methods of using such products as a filtration material, and/or adsorbent material and methods of manufacturing such...
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4715983 |
Method of storing a solid chlorinating agent
Solid chlorinating agents can be stored highly stably and safely in a closed system for a long period of time without discoloring or deterioration, when a storage stabilizer of alumino-silica gel...
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4713090 |
Adsorbent for separation-recovery of CO, preparing method thereof and process for separation-recovery of high purity CO, using the adsorbent
An adsorbent for separation - recovery of CO comprising a composite carrier (X) composed of a carrier (a) formed of silica and/or alumina and an active carbonized material layer (b) formed thereon,...
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4703032 |
Active coke produced from pit coal and production process thereof
The granulates of active coke produced from pit coal have an inactive abrasion-proof core based on coal or a ceramic material, as well as an envelope based on active coke particles adhering to the...
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4680040 |
Multipurpose filtering material
A multipurpose filtering material particularly for use in electrostatographic reproducing apparatus has a foraminous support matrix having a plurality of interconnecting voids to permit low...
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4676907 |
Biological filtration process
Biological stable articles are described which are especially useful as bed materials for treating waste water. Preferred articles are charred rice hulls which comprise silica and carbon.
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4677086 |
Shaped wood-based active carbon
A shaped activated wood-based carbon with essentially no pore volume in pores greater than one micron in diameter and a higher apparent density is prepared from an active granular wood-based carbon...
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