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7220704 |
Desulfurization and novel compositions for same
A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion...
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6589904 |
Activated carbon and method for producing it
The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the...
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6479429 |
Particulate compositions
A process to produce a sorbent composition is provided. This process comprises: (a) contacting a zinc component, an alumina component, and a dispersant component, to form a mixture; and then (b)...
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6471886 |
Absorption media for irreversibly gettering thionyl chloride
Thionyl chloride is a hazardous and reactive chemical used as the liquid cathode in commercial primary batteries. Contrary to previous thinking, ASZM-TEDA® carbon (Calgon Corporation) reversibly...
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6248691 |
Method of making mesoporous carbon
Mesoporous carbon and method of making involves forming a mixture of a high carbon-yielding carbon precursor that when carbonized yields greater than about 40% carbon on a cured basis, and an...
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6225256 |
Activated carbon feedstock
An activated carbon and method of producing and using same. Pecan hulls are fractured to produce a particle size of less than a predetermined size (e.g., 75 microns), chemically activated in an...
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6060424 |
High energy density carbons for use in double layer energy storage devices
The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials...
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6043183 |
High power density carbons for use in double layer energy storage devices
The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials...
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6030922 |
Synthesizing carbon from sludge
The synthesis of carbon, particularly in an activated form, from sludge materials such as composed of biosolids and the like is described wherein the treated material is subjected to processing...
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5990041 |
Mesoporous activated carbon filaments
This invention relates to a mesoporous carbon material in the form of filaments having a high surface area. A process is also provided to produce mesoporous carbon material of high surface area....
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5614459 |
Process for making activated charcoal
An improved process is provided for the preparation of activated carbon, which comprises swelling a carbonaceous material in a polar organic solvent containing an activating agent, removing the...
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5538932 |
Preparation of high activity, high density activated carbon with activatable binder
An improved method of manufacturing hard activated carbon pellets is disclosed in which a lignocellulose material is chemically activated to form a char and heated to a temperature above about...
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5324703 |
Method of preparation of gasoline vapor adsorptive activated carbon
A method of manufacturing hard pelleted activated carbon is disclosed in which pellets are first formed by agglomeration in a pin mixer followed by pelleting the plasticized acid char (without the...
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5304527 |
Preparation for high activity, high density carbon
Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size...
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5276000 |
Preparation for high activity, high density carbon
Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size...
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5271917 |
Activation of carbon fiber surfaces by means of catalytic oxidation
Carbon fibers having substantially increased active surface area and total surface area are used to enhance carbon fiber bonding to matrix materials in carbon fiber products. The enhanced active...
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5212144 |
Process for making chemically activated carbon
An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat...
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5206207 |
Preparation for high activity high density carbon
Carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the...
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5204310 |
High activity, high density activated carbon
Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution...
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5166123 |
Carbonaceous adsorbent for removal of pyrogen from water
A carbonaceous adsorbent to be used for the removal of a pyrogen dissolved in water is disclosed. The adsorbent is obtained by carbonizing porous beads of a cross-linked polymer. This adsorbent is...
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5162286 |
Method of producing granular activated carbon
There is described a method of producing activated carbon using the phosphoric acid activation process. The starting material employed is a young carbonaceous vegetable product which is comminuted...
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5102855 |
Process for producing high surface area activated carbon
Process for producing activated carbon, preferably high surface area activated carbon, from inexpensive cellulosic precursors, such as paper, by pretreating the cellulosic precursor with an...
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5039651 |
Chemically activated shaped carbon, process for producing same and use thereof
A chemically activated shaped carbon suitable for adsorbing and desorbing hydrophobic organic compounds and having the specific properties in bulk density, pore volume, bulk density x pore volume,...
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5021391 |
Carbonaceous adsorbent for removal of pyrogen and method of producing pure water using same
A carbonaceous adsorbent to be used for the removal of a pyrogen dissolved in water is disclosed. The adsorbent is obtained by carbonizing porous beads of a cross-linked polymer. This adsorbent is...
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4544650 |
Process for manufacturing hydrophobic adsorbents
A composite mass with a major proportion of inorganic material and a minor proportion of organic material, preferably from industrial waste products, is activated by dehydration of its organic...
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4285831 |
Process for production of activated carbon fibers
A process for producing activated carbon fibers of high adsorption capacity which comprises oxidizing an acrylonitrile based fiber, wherein the acrylonitrile based fiber is a homopolymer of...
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4234326 |
Filter assemblies with layers of activated carbon fibrous cloth
A gas adsorption filter consisting of a gas inlet, a gas outlet and one or more layers of charcoal cloth, the layers of which are arranged to lie substantially parallel to the direction of the gas...
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4148753 |
Neutralization of phosphoric acid activated carbon
Cellulosic carbon that has been activated by a phosphoric acid process, is acid neutralized by contacting the carbon with an aqueous suspension of an additive material comprising a metal oxide or...
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4034071 |
Immunoassay procedures
The technique of separating a tagged bound material from the same unbound material in immunoassay procedures is improved by utilizing a clathrate sorbent to carry out the separation. A clathrate...
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4024076 |
Process for producing granular sulfurized material, granular carbon or granular activated carbon
A process for producing an infusible and insoluble granular sulfurized material by reacting a petroleum heavy material and sulfur with stirring in the presence of a reaction medium and further in...
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3849332 |
SEQUENTIAL CARBONIZATION AND ACTIVATION OF FIBROUS MATERIAL IN A CARBON DIOXIDE ATMOSPHERE
Highly-activated, strong, flexible, fibrous carbon is produced by upward passage of a fibrous organic starting material under critical conditions in a carbon dioxide-containing atmosphere through a...
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3676365 |
METHOD FOR MANUFACTURING ACTIVATED CARBON AND APPARATUS THEREFOR
In preparing activated carbon by carbonizing and then activating cellulosic material impregnated with activating agent, the process of the invention is characterized by continuously supplying said...
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3847833 |
Title is not available
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3835064 |
Title is not available
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