ARTICLE MADE OF POROUS CARBONACEOUS MATERIAL AND PROCESS FOR PRODUCING THE SAME
The proposed article, consisting of a porous carbonaceous material (fig. 1), is produced by extruding a soft carbonaceous paste through a die, the paste consisting of 30-60 % dispersed carbon, a solvent and 2-10 % of a carbon-containing binder. Extrusion takes place at a pressure of 20-60 kg/cm and...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English French Russian |
Published |
26.01.1995
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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Abstract | The proposed article, consisting of a porous carbonaceous material (fig. 1), is produced by extruding a soft carbonaceous paste through a die, the paste consisting of 30-60 % dispersed carbon, a solvent and 2-10 % of a carbon-containing binder. Extrusion takes place at a pressure of 20-60 kg/cm and the article thus formed is then heat treated, firstly, in a non-oxidizing environment in the presence of hydrocarbons, the ratio of carbon and hydrogen being 0.25-1.0, until the mass of the article has increased by 20-200 %, and subsequently in an active environment. According to the invention, the article is produced from three-dimensionally homogeneous carbon with a mesoporous structure and maximum pore-size distributions in the 100-2,000 ANGSTROM and 20-100 ANGSTROM ranges. For each article, the ratio of the outer surface geometry to the volume of material is 4-100 m<-1>, the ratio of the thickness of the dividing walls between the channels and the outer walls is 1:2 - 1:10, and the unit surface area is 100-2,000 m /g.
L'article de l'invention, constitué d'une matière carbonée poreuse (fig. 1), est produit par extrusion d'une pâte carbonée molle à travers une filière, la pâte étant constituée de 30 à 60 % de carbone dispersé, d'un solvant et de 2 à 10 % d'un liant contenant du carbone. L'extrusion a lieu à une pression comprise entre 20 et 60 kg/cm , et l'article ainsi formé est ensuite traité à chaud, premièrement dans un environnement non-oxidant en présence d'hydrocarbures, le rapport entre le carbone et l'hydrogène étant compris entre 0,25 et 1,0, jusqu'à ce que la masse de l'article ait augmenté de 20 à 200 %, puis dans un environnement actif. Selon l'invention, on produit l'article à partir d'un carbone tridimensionnellement homogène présentant une structure mésoporeuse ainsi que des répartitions maximales de grosseur de pores comprise dans les plages allant de 100 à 2000 ANGSTROM et de 20 à 100 ANGSTROM . Pour chaque article, le rapport entre la géométrie de surface extérieure et le volume de la matière est compris entre 4 et 100 m<-1>, le rapport entre l'épaisseur des cloisons entre les canaux et la paroi extérieure est compris entre 1:2 et 1:10, et la surface unitaire est comprise entre 100 et 2 000 m /g. |
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AbstractList | The proposed article, consisting of a porous carbonaceous material (fig. 1), is produced by extruding a soft carbonaceous paste through a die, the paste consisting of 30-60 % dispersed carbon, a solvent and 2-10 % of a carbon-containing binder. Extrusion takes place at a pressure of 20-60 kg/cm and the article thus formed is then heat treated, firstly, in a non-oxidizing environment in the presence of hydrocarbons, the ratio of carbon and hydrogen being 0.25-1.0, until the mass of the article has increased by 20-200 %, and subsequently in an active environment. According to the invention, the article is produced from three-dimensionally homogeneous carbon with a mesoporous structure and maximum pore-size distributions in the 100-2,000 ANGSTROM and 20-100 ANGSTROM ranges. For each article, the ratio of the outer surface geometry to the volume of material is 4-100 m<-1>, the ratio of the thickness of the dividing walls between the channels and the outer walls is 1:2 - 1:10, and the unit surface area is 100-2,000 m /g.
L'article de l'invention, constitué d'une matière carbonée poreuse (fig. 1), est produit par extrusion d'une pâte carbonée molle à travers une filière, la pâte étant constituée de 30 à 60 % de carbone dispersé, d'un solvant et de 2 à 10 % d'un liant contenant du carbone. L'extrusion a lieu à une pression comprise entre 20 et 60 kg/cm , et l'article ainsi formé est ensuite traité à chaud, premièrement dans un environnement non-oxidant en présence d'hydrocarbures, le rapport entre le carbone et l'hydrogène étant compris entre 0,25 et 1,0, jusqu'à ce que la masse de l'article ait augmenté de 20 à 200 %, puis dans un environnement actif. Selon l'invention, on produit l'article à partir d'un carbone tridimensionnellement homogène présentant une structure mésoporeuse ainsi que des répartitions maximales de grosseur de pores comprise dans les plages allant de 100 à 2000 ANGSTROM et de 20 à 100 ANGSTROM . Pour chaque article, le rapport entre la géométrie de surface extérieure et le volume de la matière est compris entre 4 et 100 m<-1>, le rapport entre l'épaisseur des cloisons entre les canaux et la paroi extérieure est compris entre 1:2 et 1:10, et la surface unitaire est comprise entre 100 et 2 000 m /g. |
Author | DUPLYAKIN, VALERY KUZMICH LIKHOLOBOV, VLADIMIR ALEXANDROVICH PLAXIN, GEORGY VALENTINOVICH BAKLANOVA, OLGA NIKOLAEVNA DAVYDOVA, VALENTINA JURIEVNA CHERNYSHOV, ANDREI KIRILLOVICH SHIM, VALERY VALENTINOVICH ALFEEV, VASILY SERGEEVICH |
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DocumentTitleAlternate | ARTICLE EN MATIERE CARBONEE POREUSE ET SON PROCEDE DE PRODUCTION |
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Notes | Application Number: WO1994RU00145 |
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RelatedCompanies | DUPLYAKIN, VALERY KUZMICH LIKHOLOBOV, VLADIMIR ALEXANDROVICH PLAXIN, GEORGY VALENTINOVICH BAKLANOVA, OLGA NIKOLAEVNA DAVYDOVA, VALENTINA JURIEVNA CHERNYSHOV, ANDREI KIRILLOVICH SHIM, VALERY VALENTINOVICH INSTITUT KATALIZA IMENI G.K.BORESKOVA SIBIRSKOGO O ALFEEV, VASILY SERGEEVICH |
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SubjectTerms | ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SLAG THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE |
Title | ARTICLE MADE OF POROUS CARBONACEOUS MATERIAL AND PROCESS FOR PRODUCING THE SAME |
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