B01J27/224

Cellular porous monoliths containing condensed tannins

A method for producing polyHIPE porous monoliths, of the polyHIPE type or in the form of a rigid foam, by hardening solutions of condensed tannins in the presence of oil and/or air or in the presence of a non-water-miscible volatile solvent and/or air. Also disclosed is the use of these materials in the areas of catalysis, chromatography, heat and sound insulation, tissue engineering and medication release and as a floral foam.

Cellular porous monoliths containing condensed tannins

A method for producing polyHIPE porous monoliths, of the polyHIPE type or in the form of a rigid foam, by hardening solutions of condensed tannins in the presence of oil and/or air or in the presence of a non-water-miscible volatile solvent and/or air. Also disclosed is the use of these materials in the areas of catalysis, chromatography, heat and sound insulation, tissue engineering and medication release and as a floral foam.

Honeycomb type heating device, method of using the same, and method of manufacturing the same

There is provided a honeycomb type heating device including: a pillar-shaped honeycomb substrate having a partition wall defining a plurality of cells extending from one end face to the other end face and a circumferential wall surrounding the partition wall; a plurality of heaters adjacently arranged on a circumferential face that is an outside surface of the circumferential wall in a circumferential direction of the circumferential face; and intermediate members interposed between the circumferential face of the honeycomb substrate and the plurality of heaters. The sum of areas of portions of the circumferential face covered with the intermediate members between the circumferential face of the honeycomb substrate and the plurality of heaters is 20 to 100% of the sum of areas of portions of the circumferential face covered with the plurality of heaters.

POROUS MATERIAL, HONEYCOMB STRUCTURE, AND MANUFACTURING METHOD OF POROUS MATERIAL
20180112578 · 2018-04-26 · ·

A porous material includes aggregates, and a bonding material bonding between the aggregates and including cordierite as a main component, and surfaces of three-phase interfaces in which the aggregates, the bonding material and pores intersect are smoothly bonded. Furthermore, in the porous material, the bonding material may include at least one additive component selected from the group consisting of strontium, yttrium, and zirconium, and a bending strength of the porous material is 5.5 MPa or more, or a honeycomb bending strength of a honeycomb structure using the porous material may be 4.0 MPa or more.

POROUS MATERIAL, HONEYCOMB STRUCTURE, AND MANUFACTURING METHOD OF POROUS MATERIAL
20180112578 · 2018-04-26 · ·

A porous material includes aggregates, and a bonding material bonding between the aggregates and including cordierite as a main component, and surfaces of three-phase interfaces in which the aggregates, the bonding material and pores intersect are smoothly bonded. Furthermore, in the porous material, the bonding material may include at least one additive component selected from the group consisting of strontium, yttrium, and zirconium, and a bending strength of the porous material is 5.5 MPa or more, or a honeycomb bending strength of a honeycomb structure using the porous material may be 4.0 MPa or more.

Honeycomb catalyst for catalytic oxidative degradation of VOCs prepared by ultrasonic double-atomization process

The present disclosure provides a honeycomb catalyst for catalytic oxidative degradation of VOCs prepared by an ultrasonic double-atomization process. The honeycomb catalyst is prepared by performing acidification and performing hydrothermal activation in alcoholic solution for honeycomb to modify a surface; dissolving soluble transition metal inorganic salt in deionized water to obtain precursor solution; performing ultrasonic atomization of the precursor solution and the precipitant solution in the ultrasonic atomization device into droplets; placing the modified honeycomb in a special quartz glass reactor, wherein the droplets enter into the quartz glass reactor through a pipeline to come into contact with a surface of a honeycomb hole and rapidly react to generate a hydroxide precursor on the surface of the honeycomb hole; drying the honeycomb into a drying box after performing the ultrasonic atomization, and calcining the honeycomb into a muffle furnace to obtain the honeycomb catalyst loaded with transition metal oxides.

APPARATUS, METHOD AND CATALYST FOR PROCESSING HYDROCARBONS FOR RECYCLING
20240376386 · 2024-11-14 ·

An apparatus for processing a mixture of solid and/or liquid hydrocarbons for recycling without using hydrogen gas, the apparatus including a heating system including a heating chamber for receiving solid and/or liquid hydrocarbons, a feed system for transferring hydrocarbons into the heating chamber, and heating means for removing water from the mixture of solid and/or liquid hydrocarbons outside the heating chamber and configured for subsequently, in the absence of air and the water, gasifying or vapourising at least some of the solid and/or liquid hydrocarbons in heating chamber into hydrocarbon gas, a reactor or conduit connected to and downstream from the heating chamber for receiving the hydrocarbon gas, the reactor or conduit including a catalyst for breaking down higher molecular weight hydrocarbons into lower molecular weight hydrocarbons, in which the catalyst includes a zirconium sulfate, and a carbide.

ELECTRICALLY HEATED CATALYST DEVICE
20240375087 · 2024-11-14 ·

Provided is an electrically heated catalyst device capable of improving a purification performance when a temperature is increased by electric heating. The electrically heated catalyst device of the present disclosure includes a substrate, an inflow side catalyst layer, and an outflow side catalyst layer. The substrate contains SiC. The inflow side catalyst layer contains Pd. The outflow side catalyst layer contains Rh. The substrate includes a partition wall defining a plurality of cells extending from an inflow side end surface to an outflow side end surface. The inflow side catalyst layer is disposed on a surface of the partition wall in an inflow side catalyst region. The inflow side catalyst region extends from an inflow side end of the partition wall to an outflow side by a distance of more than 50% of a total length in the extending direction of the partition wall. The outflow side catalyst layer is disposed on a surface of the partition wall and a surface of the inflow side catalyst layer in an outflow side catalyst region. The surface of the partition wall is in a portion not overlapping with the inflow side catalyst region, and the surface of the inflow side catalyst layer is in a portion overlapping with the inflow side catalyst region. The outflow side catalyst region extends from an outflow side end of the partition wall to an inflow side by a distance of more than 50% of the total length in the extending direction of the partition wall. A total coat amount obtained by dividing a total mass of the inflow side catalyst layer and the outflow side catalyst layer by a volume of the substrate is 138 g/L or more and 150 g/L or less.

ELECTRICALLY HEATED CATALYST DEVICE
20240375087 · 2024-11-14 ·

Provided is an electrically heated catalyst device capable of improving a purification performance when a temperature is increased by electric heating. The electrically heated catalyst device of the present disclosure includes a substrate, an inflow side catalyst layer, and an outflow side catalyst layer. The substrate contains SiC. The inflow side catalyst layer contains Pd. The outflow side catalyst layer contains Rh. The substrate includes a partition wall defining a plurality of cells extending from an inflow side end surface to an outflow side end surface. The inflow side catalyst layer is disposed on a surface of the partition wall in an inflow side catalyst region. The inflow side catalyst region extends from an inflow side end of the partition wall to an outflow side by a distance of more than 50% of a total length in the extending direction of the partition wall. The outflow side catalyst layer is disposed on a surface of the partition wall and a surface of the inflow side catalyst layer in an outflow side catalyst region. The surface of the partition wall is in a portion not overlapping with the inflow side catalyst region, and the surface of the inflow side catalyst layer is in a portion overlapping with the inflow side catalyst region. The outflow side catalyst region extends from an outflow side end of the partition wall to an inflow side by a distance of more than 50% of the total length in the extending direction of the partition wall. A total coat amount obtained by dividing a total mass of the inflow side catalyst layer and the outflow side catalyst layer by a volume of the substrate is 138 g/L or more and 150 g/L or less.

ELECTRICALLY HEATED CATALYST DEVICE
20240375092 · 2024-11-14 ·

Provided is an electrically heated catalyst device that enables improving an exhaust gas purification performance. The electrically heated catalyst device of the present disclosure includes a substrate, an inflow side catalyst layer, and an outflow side catalyst layer. The substrate contains SiC. The inflow side catalyst layer contains Pd as a catalyst component. The outflow side catalyst layer contains Rh as a catalyst component. The substrate includes a partition wall defining a plurality of cells extending from an inflow side end surface to an outflow side end surface. The inflow side catalyst layer is disposed on a surface of the partition wall in an inflow side catalyst region. The inflow side catalyst region extends from an inflow side end of the partition wall along an extending direction to an outflow side by a distance of 60% to 90% of a total length in the extending direction of the partition wall. The outflow side catalyst layer is disposed on a surface of the partition wall and a surface of the inflow side catalyst layer in an outflow side catalyst region. The surface of the partition wall is in a portion not overlapping with the inflow side catalyst region. The surface of the inflow side catalyst layer is in a portion overlapping with the inflow side catalyst region. The outflow side catalyst region extends from an outflow side end of the partition wall along the extending direction to an inflow side by a distance of 60% to 90% of the total length in the extending direction of the partition wall.