A visible light-reactive photocatalyst includes: a metal-organic framework (MOF) including pores; and an active material doped on the surface of the metal-organic framework, wherein the active material includes molybdenum disulfide (MoS.sub.2) or titanium oxide (TiO.sub.2).

This disclosure relates to slurry-phase catalyst compositions comprising a metal complex and disulfide oil, and methods of making said compositions in slurry-phase hydrocracking units.

The present disclosure refers to increasing the catalytic efficiency of Weyl semimetals by subjecting Weyl semimetals to an external magnetic field of greater than 0 T, for example greater than 0.1 T. In a preferred embodiment of the present disclosure the Weyl semimetal is selected from the group consisting of NbP, TaP, NbAs and TaAs.

The present disclosure refers to increasing the catalytic efficiency of Weyl semimetals by subjecting Weyl semimetals to an external magnetic field of greater than 0 T, for example greater than 0.1 T. In a preferred embodiment of the present disclosure the Weyl semimetal is selected from the group consisting of NbP, TaP, NbAs and TaAs.

The invention discloses a method for preparing a Fe-doped MoS.sub.2 nano-material, which comprises the following steps: dissolving a ferric salt and ammonium tetrathiomolybdate in DMF and reacting at 180-200° C. for 6-24 hrs to obtain a Fe-doped MoS.sub.2 nano-material. The present invention also provides a Fe-doped MoS.sub.2 nano-material supported by nickel foam, which includes a nickel foam substrate and the Fe-doped MoS.sub.2 nano-material loaded on the nickel foam substrate. Furthermore, the present invention also provides a preparation method and use of the above materials. In the invention, the desired product can be obtained by a one-pot solvothermal reaction, and thus the operation is simple. There is no need to introduce a surfactant for morphological control during the preparation process, and the resulting product has a clean surface and is easy to wash.

The invention discloses a method for preparing a Fe-doped MoS.sub.2 nano-material, which comprises the following steps: dissolving a ferric salt and ammonium tetrathiomolybdate in DMF and reacting at 180-200° C. for 6-24 hrs to obtain a Fe-doped MoS.sub.2 nano-material. The present invention also provides a Fe-doped MoS.sub.2 nano-material supported by nickel foam, which includes a nickel foam substrate and the Fe-doped MoS.sub.2 nano-material loaded on the nickel foam substrate. Furthermore, the present invention also provides a preparation method and use of the above materials. In the invention, the desired product can be obtained by a one-pot solvothermal reaction, and thus the operation is simple. There is no need to introduce a surfactant for morphological control during the preparation process, and the resulting product has a clean surface and is easy to wash.

A process for the production of methanol (CH.sub.3OH) from carbon dioxide (CO.sub.2) and hydrogen (H.sub.2), wherein CO.sub.2 is reacted with H.sub.2 over a manganese-promoted molybdenum(IV) sulfide catalyst; as well as a catalyst for such a process and a production process for the catalyst.

A process for the production of methanol (CH.sub.3OH) from carbon dioxide (CO.sub.2) and hydrogen (H.sub.2), wherein CO.sub.2 is reacted with H.sub.2 over a manganese-promoted molybdenum(IV) sulfide catalyst; as well as a catalyst for such a process and a production process for the catalyst.

A lignocellulosic starting material can be converted into an aqueous phase and a hydrocarbon phase in a one-step process by subjecting a mixture of the lignocellulosic starting material, an amorphous and unsupported sulfided nickel-molybdenum catalyst, and optionally a co-feed, to not less than a stoichiometric amount of hydrogen, elevated pressure and a temperature in the interval of 350-450° C. A novel catalyst for use in said process and a method for its production are also disclosed.

A lignocellulosic starting material can be converted into an aqueous phase and a hydrocarbon phase in a one-step process by subjecting a mixture of the lignocellulosic starting material, an amorphous and unsupported sulfided nickel-molybdenum catalyst, and optionally a co-feed, to not less than a stoichiometric amount of hydrogen, elevated pressure and a temperature in the interval of 350-450° C. A novel catalyst for use in said process and a method for its production are also disclosed.