The present invention relates to a process for obtaining 1-octanol which comprises a contact step between ethanol, n-hexanol and a catalyst, wherein said catalyst comprises: i) a metal oxide that comprises the following metals: M1 is at least one bivalent metal selected from Mg, Zn, Cu, Co, Mn, Fe, Ni and Ca; M2 is at least one trivalent metal selected from Al, La, Fe, Cr, Mn, Co, Ni, and Ga; ii) a noble metal selected from Pd, Pt, Ru, Rh and Re; and iii) optionally, comprises V; with the proviso that the catalyst comprises at least V, Ga or any of their combinations.

A catalyst system comprising a combination of: 1) one or more catalyst compounds comprising at least one nitrogen linkage; 2) a support comprising an organosilica material, which is a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include pyridyldiamido transition metal complexes, HN5 compounds, and bis(imino)pyridyl complexes. The organosilica material is a polymer of at least one monomer of Formula [Z.sup.1OZ.sup.2SiCH.sub.2].sub.3(1), where Z.sup.1 represents a hydrogen atom, a C.sub.1-C.sub.4alkyl group, or a bond to a silicon atom of another monomer and Z.sup.2 represents a hydroxyl group, a C1-C.sub.4alkoxy group, a C.sub.1-C.sub.6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.

The present invention relates to a catalyst for transfer hydrogenation, which is formed of a metal-organic framework having an MOF-808 based X-ray diffraction pattern.

A high crystalline porous MOF-808 based metal-organic framework exhibits excellent performance in the transfer hydrogenation of ethyl levulinate (EL) at high and low temperature.

A method of forming a porous sol gel, including a dried porous sol gel, is provided comprising forming a sol gel from a sol gel-forming composition comprising a silane solution and a catalyst solution; and non-supercritically drying the sol gel to provide a dried porous sol gel having no springback. The dried porous sol gel can include dried macroporous or mesoporous sol gels or dried hybrid aerogels. The materials may contain open or filled pores. Such materials are useful as thermal insulators.

Disclosed is a visible light responsive photocatalyst that simultaneously realizes high crystallinity and refinement of primary particles. Also disclosed is a photocatalyst composed of secondary particles that have a high porosity and are aggregates of fine primary particles. Rhodium-doped strontium titanate that is a visible light responsive photocatalyst of the present invention has a primary particle diameter of not more than 70 nm and has a absorbance at a wavelength of 570 nm of not less than 0.6 and a absorbance at a wavelength of 1800 nm of not more than 0.7, each absorbance determining by measuring a diffuse reflection spectrum, the rhodium-doped strontium titanate having a high water-splitting activity as a photocatalyst.

A supported catalyst having a calcined, predominantly aluminium, oxide support and an active phase of 5 to 65% by weight nickel with respect to the total mass of the catalyst, said active phase having no group VIB metal, the nickel particles having a diameter less than or equal to 20 nm, said catalyst having a mesopore median diameter greater than or equal to 14 nm, a mesopore volume measured by mercury porosimetry greater than or equal to 0.45 mL/g, a total pore volume measured by mercury porosimetry greater than or equal to 0.45 mL/g, a macropore volume less than 5% of the total pore volume, said catalyst being in the form of grains having an average diameter comprised between 0.5 and 10 mm. The invention also relates to the process for the preparation of said catalyst and the use thereof in a hydrogenation process.

A metal oxide catalyst synthesized using supercritical carbon dioxide extraction is provided, wherein the metal oxide catalyst includes an active site containing at least one type of metal oxide and a support for loading the active site and the metal oxide is an oxide of a metal selected from the group consisting of transition metals (atomic number 21 to 29, 39 to 47, 72 to 79, or 104 to 108), lanthanide (atomic number 57 to 71), post-transition metals (atomic number 13, 30 to 31, 48 to 50, 80 to 84, and 112), and metalloids (atomic number 14, 32 to 33, 51 to 52, and 85) in the periodic table, and a combination thereof.

The present invention relates to a tyre for vehicle wheels comprising at least one structural element comprising a cross-linked elastomeric material obtained by cross-linking a cross-linkable elastomeric composition comprising carbon nanotubes, wherein said carbon nanotubes are obtained with an iron oxides and/or aluminium oxides based catalyst substantially free of Co, Ni and Mo.

The present disclosure relates to yolk-shell structured catalysts having compositions that can be particularly useful in the dry reforming of methane. These catalysts can demonstrate long-term stability that would be an advantage in industrial applications such as mitigating fossil fuel plant emissions. Example catalysts can include a yolk containing nickel (Ni) or nickel oxide (NiO), platinum (Pt) or platinum oxide (PtO.sub.2), and a third material (M3) such as a cerium oxide (CeO.sub.x). The shell can be formed of a ceramic such as silica and is generally a porous material that can support the yolk.

In one aspect, the disclosure relates to CO.sub.2-free and/or low-CO.sub.2 methods of co-producing hydrogen and solid forms of carbon via natural gas decomposition using microwave radiation. The methods are efficient, self-sustaining, and environmentally benign. In a further aspect, the disclosure relates to recyclable and recoverable catalysts useful for enhancing the disclosed methods, wherein the catalysts are supported by solid forms of carbon. Methods for recycling the catalysts are also disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.