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 PLAXIN, GEORGY VALENTINOVICH, DAVYDOVA, VALENTINA JURIEVNA, CHERNYSHOV, ANDREI KIRILLOVICH, BAKLANOVA, OLGA NIKOLAEVNA, SHIM, VALERY VALENTINOVICH, DUPLYAKIN, VALERY KUZMICH, LIKHOLOBOV, VLADIMIR ALEXANDROVICH, ALFEEV, VASILY SERGEEVICH
Format Patent
LanguageEnglish
French
Russian
Published 26.01.1995
Edition5
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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.
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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– fullname: LIKHOLOBOV, VLADIMIR ALEXANDROVICH
– fullname: ALFEEV, VASILY SERGEEVICH
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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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Snippet The proposed article, consisting of a porous carbonaceous material (fig. 1), is produced by extruding a soft carbonaceous paste through a die, the paste...
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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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