|
Match
|
Document |
Document Title |
|
|
6599856 |
Formed activated carbon and process for producing the same
A formed activated carbon has a Kiya crushing strength of 1 kg or more and a specific heat of 0.4 J/K·cc or more at 25° C.
|
|
|
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...
|
|
|
6471923 |
Process for adsorbing and desording oxides of nitrogen
The invention concerns materials for adsorbing and desorbing oxides of nitrogen NO and NO 2 present in exhaust gases, in particular from the internal combustion engines of automotive vehicles...
|
|
|
6277780 |
Preparation of phosphorus-treated activated carbon composition
Disclosed is a method for preparing a phosphorus treated activated carbon composition suitable for use as a catalyst support, a catalyst, and an adsorbent. The invention method involves treating...
|
|
|
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...
|
|
|
6187713 |
Method of making activated carbon bodies having improved adsorption properties
An activated carbon body and method of making the body which involves providing an inorganic substrate, thermosetting resin, and an adsorption enhancing additive which can be sulfur and/or oil...
|
|
|
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...
|
|
|
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...
|
|
|
5965483 |
Highly microporous carbons and process of manufacture
A process for further chemical activation of activated carbon is disclosed comprising activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to...
|
|
|
5710092 |
Highly microporous carbon
A highly microporous activated carbon is disclosed which is prepared by activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to below 25%...
|
|
|
5626637 |
Low pressure methane storage with highly microporous carbons
A process is disclosed for storing gaseous hydrocarbon fuel in storage containers under relatively low pressure by including in the cylinders highly microporous carbons prepared by further chemical...
|
|
|
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...
|
|
|
5416056 |
Production of highly microporous activated carbon products
A two-stage process for chemical activation of lignocellulose-derived carbon is disclosed comprising a first activation stage of blending a lignocellulose material with phosphoric acid, carbonizing...
|
|
|
5391534 |
Process for producing activated charcoal
A process for preparing activated charcoal having a high surface area is described, including a thermal treatment, in the presence of phosphoric acid, of regenerated humic acids.
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
5238470 |
Emission control device
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
5202302 |
Preparation of activated carbons by impregnation with a boron compound and a phosphorus compound
A process is provided for preparing fibrous or film type activated carbon including the steps of carbonizing a cellulosic material and activating the resulting carbon, each stop occurring at a...
|
|
|
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...
|
|
|
5143889 |
Active carbon and processes for preparation of same
This invention provides a process for preparing active carbon, characterized by activating meso-carbon microbeads derived from coal-type pitch and the active carbon prepared by the process.
|
|
|
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...
|
|
|
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,...
|
|
|
4988569 |
Complex phosphate adsorbent of MgO-TiO.sub.2
The present invention discloses a phosphate adsorbent comprising an MgO-TiO 2 complex as an active ingredient and a phosphate adsorbent having said complex deposited on active carbons. In the...
|
|
|
4760046 |
Process for the production of activated carbons using phoshoric acid
Activated carbon is produced by an improved process which comprises subjecting a mash comprising carbon-containing combustibles, phosphoric acid and water to a rapid thermal pretreatment at...
|
|
|
4521528 |
Preparation of zirconium phosphate activated carbon adsorbent
The present invention is directed to a method for preparing a homogenous activated carbon/zirconium or hafnium phosphate product in situ which comprises mixing a carbonaceous organic material with...
|
|
|
4471072 |
Preparation of carbonaceous pyropolymers
Carbonaceous pyropolymers possessing recurring units containing at least carbon and hydrogen atoms composited on a solid support may be prepared in a solid state process. The process is effected by...
|
|
|
4460708 |
Production of activated carbon fibers from acid contacted polybenzimidazole fibrous material
An improved process which makes possible the expeditious formation of activated carbon fibers having high absorptivity characteristics is provided. A polybenzimidazole fibrous material is contacted...
|
|
|
4412937 |
Method for manufacture of activated carbon fiber
A method for manufacturing activated carbon fibers is disclosed. The method is comprised of the steps of: (1) causing an acrylic fiber to contain therein a treating agent selected from the group...
|
|
|
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...
|
|
|
4264320 |
Production of black flame-resistant flexible textile materials
Black, flame-resistant, substantially inert, non-conductive, flexible textile materials are produced by impregnating a scoured regenerated cellulosic textile material with a composition containing...
|
|
|
4242226 |
Filter material and a method of manufacturing and using the same
A filter material by which substances contained in gaseous or liquid media can be removed comprises a product in the form of a matrix of activated carbon. The product has uniformly dispersed...
|
|
|
4157314 |
Granular activated carbon manufacture from sub-bituminous coal treated with dilute inorganic acid: direct activation method
Granular activated carbon is manufactured from sub-bituminous coal by crushing and screening the as received coal containing about 10 to about 25% moisture by weight to produce 8/30 mesh granules,...
|
|
|
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...
|
|
|
4131566 |
Granular activated carbon manufacture from low rank agglomerating but not good coking bituminous coal treated with dilute inorganic acid
Granular activated carbon is manufactured from low rank agglomerating but not good coking bituminous coal by crushing and screening the as received coal to produce 8/30 mesh granules, which are...
|
|
|
3969268 |
Process for preparing active carbon fibers
A process for preparing active carbon fibers which comprises (a) providing a cellulose fiber with a phosphorus compound reactive thereto, (b) subjecting the resulting fiber to heat treatment at...
|
|
|
3953345 |
Method for the production of activated carbon spheres containing nitrogen
Spheres of activated carbon are obtained by adding to 100 parts by weight of pitch 10 to 50 parts by weight of an aromatic solvent compatible with said pitch and 2 to 50% by weight, based on the...
|
|
|
3864277 |
Hard granular activated carbon and preparation from a carbonaceous material a binder and an inorganic activating agent
A method of manufacturing reconstituted activated carbon by employing chemical activation of a novel mixture of a carbonaceous raw material and a carbonaceous binder material and an activating...
|
|
|
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...
|
|
|
3624004 |
PROCESS FOR THE PRODUCTION OF ACTIVE CARBONS
Process for the production of active carbons by the controlled oxidative activation with carbon dioxide of pyrolyzed salts of aromatic acids including monocarboxylic acids such as benzoic acid;...
|
|
|
3835064 |
Title is not available
|
|
|
3767592 |
Title is not available
|
|
|
3702832 |
Title is not available
|