Patent classifications
B01J35/77
Nanocomposite material fabrication
A Mg.sub.0.6Ti.sub.2.4O.sub.5/MgTiO.sub.3/tetragonal TiO.sub.2/orthorhombic TiO.sub.2/CdO/C nanocomposite material includes an orthorhombic Mg0.6Ti.sub.2.4O.sub.5 phase; a hexagonal magnesium titanate (MgTiO.sub.3) phase, a tetragonal titanium dioxide (TiO.sub.2) phase, a cubic cadmium Oxide (CdO) phase, and an orthorhombic TiO.sub.2 phase. The Mg.sub.0.6Ti.sub.2.4O.sub.5/MgTiO.sub.3/Tetragonal TiO.sub.2/Orthorhombic TiO.sub.2/CdO/C nanocomposite material has a granular morphology including spherical particles having an average particle diameter ranging from 50 nanometer (nm) to 130 nm. Furthermore, a method of production includes calcination of metal precursors.
Nanocomposite for the immobilization or degradation of pollutants
A particulate nanocomposite material comprising, as determined by X-ray diffraction (XRD): elemental carbon (C); an orthorhombic magnesium iron borate (MgFe(BO.sub.3)O) crystalline phase; an orthorhombic calcium diborate (CaB.sub.2O.sub.4) crystalline phase; and, a monoclinic magnesium diborate (Mg.sub.2B.sub.2O.sub.5) crystalline phase. The nanocomposite is further characterized in that, based on the total number of atoms in the particulate nanocomposite material and as determined by energy dispersive X-ray spectroscopy (EDX), the atomic concentration of carbon (C) is from about 0.1 atomic percent (atom %) to 5 atom %, the atomic concentration of calcium (Ca) is from about 5 to 15 atom %, the atomic concentration of boron (B) is from about 1 to 10 atom %, the atomic concentration of iron (Fe) is from about 5 to 15 atom %, and the atomic concentration of magnesium (Mg) is from about 5 to 15 atom %.
Nanocomposite for the immobilization or degradation of pollutants
A particulate nanocomposite material comprising, as determined by X-ray diffraction (XRD): elemental carbon (C); an orthorhombic magnesium iron borate (MgFe(BO.sub.3)O) crystalline phase; an orthorhombic calcium diborate (CaB.sub.2O.sub.4) crystalline phase; and, a monoclinic magnesium diborate (Mg.sub.2B.sub.2O.sub.5) crystalline phase. The nanocomposite is further characterized in that, based on the total number of atoms in the particulate nanocomposite material and as determined by energy dispersive X-ray spectroscopy (EDX), the atomic concentration of carbon (C) is from about 0.1 atomic percent (atom %) to 5 atom %, the atomic concentration of calcium (Ca) is from about 5 to 15 atom %, the atomic concentration of boron (B) is from about 1 to 10 atom %, the atomic concentration of iron (Fe) is from about 5 to 15 atom %, and the atomic concentration of magnesium (Mg) is from about 5 to 15 atom %.
Multiphase structured nanocomposite
A NiO/MgO/CaCO.sub.3/Ca(OH).sub.2/C nanocomposite material includes a monoclinic nickel oxide (NiO) phase, a cubic magnesium oxide (MgO) phase, a hexagonal calcium carbonate (CaCO.sub.3) phase, and a hexagonal calcium hydroxide (Ca(OH).sub.2) phase. The NiO/MgO/CaCO.sub.3/Ca(OH).sub.2/C nanocomposite material has a granular morphology including spherical particles having an average particle diameter in a range from 10 nanometer (nm) to 50 nm. Further, a CaO/NiO/Mg.sub.0.5Ni.sub.0.5O/Ca(OH).sub.2/C nanocomposite material includes cubic CaO phases, cubic NiO phases, cubic Mg.sub.0.5Ni.sub.0.5O phases, and hexagonal Ca(OH).sub.2 phases. The CaO/NiO/Mg.sub.0.5Ni.sub.0.5O/Ca(OH).sub.2/C nanocomposite material has a granular morphology including particles having an average particle diameter in a range from 10 nm to 90 nm.
Multiphase structured nanocomposite
A NiO/MgO/CaCO.sub.3/Ca(OH).sub.2/C nanocomposite material includes a monoclinic nickel oxide (NiO) phase, a cubic magnesium oxide (MgO) phase, a hexagonal calcium carbonate (CaCO.sub.3) phase, and a hexagonal calcium hydroxide (Ca(OH).sub.2) phase. The NiO/MgO/CaCO.sub.3/Ca(OH).sub.2/C nanocomposite material has a granular morphology including spherical particles having an average particle diameter in a range from 10 nanometer (nm) to 50 nm. Further, a CaO/NiO/Mg.sub.0.5Ni.sub.0.5O/Ca(OH).sub.2/C nanocomposite material includes cubic CaO phases, cubic NiO phases, cubic Mg.sub.0.5Ni.sub.0.5O phases, and hexagonal Ca(OH).sub.2 phases. The CaO/NiO/Mg.sub.0.5Ni.sub.0.5O/Ca(OH).sub.2/C nanocomposite material has a granular morphology including particles having an average particle diameter in a range from 10 nm to 90 nm.
Mixed metal oxide catalysed and cavitation influenced process for hydration of nitrile
The present invention discloses a metal-catalyzed process for hydration of nitrile under the influence of the ultrasonic cavitation effect. The present invention further discloses a catalyst of formula (I), wherein the catalyst is used for process for hydration of nitrile and process for preparation thereof.
A.sub.XB.sub.YC.sub.Z Formula (I)
Heteroatom-doped zeolites for bifunctional catalytic applications
Provided herein are methods for hydroisomerization of a hydrocarbon feedstock comprising contacting the hydrocarbon feedstock with hydrogen and a catalyst to yield a hydrocarbon product having an increase in branched hydrocarbons relative to the hydrocarbon feedstock. The present catalysts comprise a heteroatom-doped Beta zeolite having a trivalent cation as a framework metal oxide, an extra-framework species comprised of cerium and/or cobalt, and from 0.01 to 1.5 wt. % of a group VIII or VIB metal, or a combination thereof.
Heteroatom-doped zeolites for bifunctional catalytic applications
Provided herein are methods for hydroisomerization of a hydrocarbon feedstock comprising contacting the hydrocarbon feedstock with hydrogen and a catalyst to yield a hydrocarbon product having an increase in branched hydrocarbons relative to the hydrocarbon feedstock. The present catalysts comprise a heteroatom-doped Beta zeolite having a trivalent cation as a framework metal oxide, an extra-framework species comprised of cerium and/or cobalt, and from 0.01 to 1.5 wt. % of a group VIII or VIB metal, or a combination thereof.
COMPOSITIONS, RELATED SYSTEMS AND ARTICLES, AND METHODS OF MAKING AND USING THE SAME
The disclosure relates to various compositions, related systems and articles, and methods of making and using the same. In some aspects, the disclosure relates to compositions containing a nanostructured organic compound, compositions containing an organic compound and a metal-organic framework embedded within the organic compound, and compositions containing an organic compound that is at least partially crystalline and a crystalline metal oxide distributed within the organic compound, as well as related methods of making (e.g., methods of depolymerizing polymers), methods of use (e.g., energy storage, contamination removal), articles (e.g., electrodes), and systems (e.g., energy storage systems, systems containing such energy storage systems) from the compositions of the disclosure. In some aspects, the disclosure relates to a composition that includes a silicon-containing material and a polymer made of imide monomers, as well as related systems and articles, and methods of making and using the same.
Method for preparing an alumina supported perovskite type oxide composition, alumina supported perovskite type oxide composition and its use
The present invention relates to a method for preparing an alumina supported perovskite type oxide composition, to an alumina supported perovskite type oxide composition and to the use of such an alumina supported perovskite type oxide composition in catalytic systems in emission control applications.