Abstract: Filtration articles herein exhibit excellent filtration efficiency and pressure drop before and after water durability testing. The articles comprise: a honeycomb filter body; inorganic deposits disposed within the honeycomb filter body at a loading of less than or equal to 20 grams of the inorganic deposits per liter of the honeycomb filter body. The inorganic deposits are comprised of refractory inorganic nanoparticles bound by a high temperature binder comprising one or more inorganic components. At least a portion of the inorganic deposits form a porous inorganic network over portions of inlet walls of the honeycomb filter body.

Abstract: A PCB laminate material includes at least one polymer layer and at least one inorganic layer, such that the PCB laminate material has a dielectric loss tangent of less than 6×10?3 at 10 GHz (or higher frequency). The inorganic layer or layers of the PCB laminate material may comprise silica-based materials (including silica fabrics), low-loss glass with a dielectric loss tangent of about 0.006 at 10 GHz (or higher frequency), glass-ceramics, or ceramic materials (e.g., alumina). PCB laminate materials may also include at least one fluoropolymer layer. PCB laminate materials described herein combine good dielectric performance (i.e., low dielectric loss), dimensional stability at elevated temperature (e.g., at 260° C. for 30 seconds), and sufficient mechanical strength to permit handling during production. Printed circuit boards comprising the PCB laminate materials and methods for making the same are also disclosed herein.

Abstract: An adsorbent article for CO2 capture and methods of making the same. The adsorbent article for CO2 capture includes a ceramic substrate, a plurality of inorganic support particles, and an organic CO2 sorbent on the support particles. The ceramic substrate includes a plurality of porous partitions walls that define a plurality of open channels extending from an inlet end to an outlet end of the ceramic substrate. The organic CO2 sorbent is supported by the inorganic support particles within the pores of porous partition walls of the ceramic substrate. The surfaces of the porous partition walls surfaces defining the open channels are essentially free of the organic CO2 sorbent.

Abstract: Described herein is a substrate including a central longitudinal axis, a first support web, and a second support web. A sinuous web may be positioned between the first support web and the second support web. The sinuous web may include transverse web portions and bridging web portions, where the bridging web portions alternatively connect ends of adjacent transverse web portions. The sinuous web may be connected to the first support web by support legs extending between bridging web portions and a surface of the first support web. The sinuous web may be connected to the second support web by support legs extending between bridging web portions and a surface of the second support web. A support leg length to distance between transverse web portions ratio may be from about 1.0 to about 4.0.

Abstract: Methods for making activated carbon-supported transition metal-based nanoparticles include (a) impregnated activated carbon with at least one transition metal-containing compound, and (b) heating the impregnated activated carbon at a temperature and for a time sufficient to carbothermally reduce the transition metal-containing compound. Also disclosed are activated carbon-supported transition metal-based nanoparticles produced by such methods. Further disclosed are methods for treating water and waste streams that include contacting the water or waste streams with the activated carbon-supported transition metal-based nanoparticles.

Abstract: A method of making a self-supporting inorganic sheet, including: electrostatically depositing a dry inorganic powder on a surface to form an inorganic layer on the surface; and sintering the resulting inorganic layer to form a self-supporting sintered inorganic sheet. The method can additionally include, for example, separating of the self-supporting sintered inorganic sheet from the surface, optionally contacting the separated sintered inorganic sheet with a coupling agent, infiltrating the separated sintered inorganic sheet with a polymer with or without contacting with a coupling agent, or a combination thereof. Also disclosed is a sheet article made by the method.

Abstract: Methods for regenerating an article for capturing carbon dioxide (CO2) from a gas stream include removing a CO2 capture sorbent from an adsorbent capture honeycomb. Removing the CO2 capture sorbent from the capture article may include contacting the adsorbent honeycomb and a volume of fluid, wherein the fluid removes the sorbent from the honeycomb, and the honeycomb binder is insoluble in the fluid. Restoring the article may include contacting the honeycomb with a regeneration fluid to deposit a CO2 capture sorbent on a surface of the honeycomb.

Abstract: A liquid filter article, including: a housing having an inlet, an outlet, and an adsorbent bed there between, the bed comprising: a first stage having a first adsorbent, the first adsorbent including an activated carbon honeycomb infused with a plurality of zero valent iron nanoparticles (“Fe-AC”); and a second stage having a second adsorbent, the second adsorbent being selected from iron oxide particles supported on activated carbon honeycomb (“FEOX-AC”), iron oxide particles supported on activated alumina honeycomb (“FeOX-AA”), or a combination thereof, wherein the first stage is in fluid communication with the second stage. Also disclosed is a method of using the liquid filter article to remediate heavy metals in water.

Abstract: A method of making a filter article having a honeycomb substrate having adsorbent filled channels, including: sealing the first end of a porous, cellular honeycomb substrate; filling the channels of the cellular honeycomb substrate with a dry adsorbent source material; sealing the second end of the filled honeycomb to form a sealed honeycomb; contacting the sealed honeycomb and water for a time sufficient to convert the dry precursor material in-situ to a paste; removing the seals from the first and second ends; and heating the contacted honeycomb to convert the paste to an adsorbent. Also disclosed is a filter article having a honeycomb substrate having adsorbent filled channels and methods of using the article.

Abstract: A method of making a filter article having a honeycomb substrate having adsorbent filled channels, including: sealing the first end of a porous, cellular honeycomb substrate; filling the channels of the cellular honeycomb substrate with a dry adsorbent source material; sealing the second end of the filled honeycomb to form a sealed honeycomb; contacting the sealed honeycomb and water for a time sufficient to convert the dry precursor material in-situ to a paste; removing the seals from the first and second ends; and heating the contacted honeycomb to convert the paste to an adsorbent. Also disclosed is a filter article having a honeycomb substrate having adsorbent filled channels and methods of using the article.

Abstract: A liquid filter article, including: a housing having an inlet, an outlet, and an adsorbent bed there between, the bed comprising: a first stage having a first adsorbent, the first adsorbent including an activated carbon honeycomb infused with a plurality of zero valent iron nanoparticles (“Fe-AC”); and a second stage having a second adsorbent, the second adsorbent being selected from iron oxide particles supported on activated carbon honeycomb (“FEOX-AC”), iron oxide particles supported on activated alumina honeycomb (“FeOX-AA”), or a combination thereof, wherein the first stage is in fluid communication with the second stage. Also disclosed is a method of using the liquid filter article to remediate heavy metals in water.

Abstract: Methods for making activated carbon-supported transition metal-based nanoparticles include (a) impregnated activated carbon with at least one transition metal-containing compound, and (b) heating the impregnated activated carbon at a temperature and for a time sufficient to carbothermally reduce the transition metal-containing compound. Also disclosed are activated carbon-supported transition metal-based nanoparticles produced by such methods. Further disclosed are methods for treating water and waste streams that include contacting the water or waste streams with the activated carbon-supported transition metal-based nanoparticles.

Abstract: Methods of making a porous cordierite ceramic honeycomb article are provided. In example methods, a batch composition includes a quantity of non-crosslinked pore former provided as a superaddition of about 20% or less of a dry weight of a quantity of inorganic components. Batch compositions are also provided that include a quantity of clay and other substantially nonfibrous inorganic components sufficient to yield an article including cordierite. Example batch compositions can include clay having a median particle size of about 7 ?m or less and/or provided in an amount that is 10% or less of the dry weight of the quantity of inorganic components.

Abstract: A method for providing a catalyst on a substrate is disclosed comprising providing a first washcoat comprising a soluble washcoat salt species, a polar organic solvent, and an insoluble particulate material, contacting the first washcoat with a substrate to form a coated substrate, and then contacting the coated substrate with a second washcoat comprising an oxide or an oxide-supported catalyst to physisorb, chemisorb, bond, or otherwise adhere the oxide or the oxide-supported catalyst to the coated substrate. Also disclosed is a catalyst on a substrate comprising: a substrate; an anchor layer comprising a soluble washcoat salt species, a polar organic solvent, and an insoluble particulate material; and a second layer comprising an oxide. The catalyst on a substrate can be in either green or fired form.

Abstract: Described herein is a substrate including a central longitudinal axis, a first support web, and a second support web. A sinuous web may be positioned between the first support web and the second support web. The sinuous web may include transverse web portions and bridging web portions, where the bridging web portions alternatively connect ends of adjacent transverse web portions. The sinuous web may be connected to the first support web by support legs extending between bridging web portions and a surface of the first support web. The sinuous web may be connected to the second support web by support legs extending between bridging web portions and a surface of the second support web. A support leg length to distance between transverse web portions ratio may be from about 1.0 to about 4.0.

Abstract: The disclosure relates to methods for making carbon-supported transition metal-based nanoparticles, comprising (a) mixing at least one carbon feedstock, at least one transition metal-containing feedstock, at least one organic binder, and at least one resin binder to form a feedstock mixture, (b) extruding the feedstock mixture, and (c) heating the extruded feedstock mixture at a temperature and for a time sufficient to carbothermally reduce the transition metal-containing feedstock. Also disclosed herein are carbon-supported transition metal-based nanoparticles produced by such methods. Further disclosed herein are methods for treating water and waste streams comprising contacting the water or waste streams with the carbon-supported transition metal-based nanoparticles.

Abstract: Methods of making supported monolithic gold (Au) catalysts that can be used for generating a hydrogen-rich gas from gas mixtures containing carbon monoxide, hydrogen and water via a water gas shift reaction, and for the removal of carbon monoxide from air at a low reaction temperature via its oxidation reaction are described. Methods of making highly dispersed gold catalysts on washcoated monoliths and the stabilization of monolithic catalyst supports by the addition of a third metal oxide, such as zirconia (ZrO2), lanthanum oxide (La2O3), or manganese oxide (MnxOy). The catalyst supports and/or washcoats may include a variety of transition metal oxides such as alpha iron oxide (?-Fe2O3), cerium oxide (CeO2), ZrO2, gamma alumina (?-Al2O3), or their combinations.

Abstract: Described herein is a substrate including a central longitudinal axis, a first support web, and a second support web. A sinuous web may be positioned between the first support web and the second support web. The sinuous web may include transverse web portions and bridging web portions, where the bridging web portions alternatively connect ends of adjacent transverse web portions. The sinuous web may be connected to the first support web by support legs extending between bridging web portions and a surface of the first support web. The sinuous web may be connected to the second support web by support legs extending between bridging web portions and a surface of the second support web. A support leg length to distance between transverse web portions ratio may be from about 1.0 to about 4.0.

Abstract: Disclosed herein are methods for bonding refractory substrates, such as zircon substrates, without the use of a bonding agent. Exemplary methods include (a) providing a plurality of refractory components, each component having at least one surface to be bonded, (b) polishing each surface to be bonded to a surface roughness (Ra) of 200 nm or finer, (c) contacting the surfaces to be bonded to form an unbonded refractory substrate, (d) firing the unbonded refractory substrate, and (e) subjecting the surfaces to be bonded to a compressive force during firing. Methods for making refractory forming bodies are also disclosed herein.

Abstract: Methods of making a porous cordierite ceramic honeycomb article are provided. In example methods, a batch composition includes a quantity of non-crosslinked pore former provided as a superaddition of about 20% or less of a dry weight of a quantity of inorganic components. Batch compositions are also provided that include a quantity of clay and other substantially nonfibrous inorganic components sufficient to yield an article including cordierite. Example batch compositions can include clay having a median particle size of about 7 ?m or less and/or provided in an amount that is 10% or less of the dry weight of the quantity of inorganic components.