Abstract:
A method for protecting a surface of an article from sulfate corrosion resulting from exposure to a sulfate containing material at an elevated temperature includes coating the surface with a nickel based material to form an anti-corrosion coating. The nickel based material includes NiO, a spinel of formulation AB2O4, or a combination thereof, wherein A includes nickel, and B includes iron or a combination of manganese and a B site dopant.
Abstract:
A surface treatment method includes: contacting a substrate with a treatment material, the substrate comprising a metallic element, the treatment material comprising an alkaline earth metal element, an alkali metal element, or any combination thereof; and forming on the substrate a surface layer comprising a first oxide of the alkaline earth metal element, the alkali metal element, or any combination thereof and a second oxide of the metallic element. A device has: a substrate layer comprising a metallic element; and a surface layer comprising a first oxide of an alkaline earth metal element, an alkali metal element, or any combination thereof, and a second oxide of the metallic element.
Abstract:
An electrode composition for removing nitrogen oxide, includes: a catalytic material and an adsorption material, wherein the adsorption material is a perovskite material of formula AaBbO3-δ, wherein 0.9
Abstract:
A composition useful in methods and apparatuses for inhibiting the build-up of byproduct carbonaceous material includes a perovskite material or a precursor therefor; and a yttrium doped ceria or a precursor therefor.
Abstract:
A method for cracking hydrocarbon includes: providing hydrocarbon; and feeding the hydrocarbon into an apparatus having an inner surface accessible to hydrocarbon, the inner surface comprising a perovskite material and a tuning material; wherein a yield of coke in the apparatus is lower than that in an apparatus without the perovskite material; and a yield of carbon monoxide in the apparatus is lower than that in an apparatus without the tuning material. An associated apparatus is also described.
Abstract:
A method for decomposing nitrogen oxide includes: contacting a gas stream comprising nitrogen oxide with a device, the device comprising: a first electrode, an opposite second electrode, an electrolyte between the first and the second electrodes, and a power supply; and applying in a pulse mode an electrical current from the power supply to the first and the second electrodes to decompose nitrogen oxide. An associated apparatus is also described.
Abstract:
A gas turbine component includes a substrate and a corrosion resistant layer coupled to the substrate. The corrosion resistant layer includes zirconium silicate and is configured to protect the substrate from exposure to a vanadium corrodent.
Abstract:
An apparatus has a surface exposable to a byproduct carbonaceous material formation environment and comprising a perovskite material having an ABO3 perovskite structure and being of formula AaBbO3-δ, wherein 0.9
Abstract:
A material is described of formula NaxMyAlaSibO67 with Face Centered Cubic (fcc) lattices forming F -4 3 m cubic structure, wherein M is at least one of lithium, potassium, rubidium, caesium, vanadium, chromium, iron, cobalt, nickel, ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, and cerium; 0 0; 1≦a3; 1≦b≦3; and 0