To provide a functional structural body that can realize ong life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least the channels (11) of the skeletal body (10).

A functional structural body that can realize a prolonged life time by suppressing the decrease in function and that can fulfill resource saving without requiring a complicated replacement operation is provided. A functional structural body includes a skeletal body of a porous structure composed of a zeolite-type compound; and at least one solid acid present in the skeletal body, the skeletal body has channels connecting with each other, and the solid acid is present at least in the channels of the skeletal body.

To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).

An organic reductant, in particular an organo silicon reductant suitable for activating supported catalysts of the type MO.sub.nE.sub.m, wherein E is S and/or Se, in particular MO.sub.n, wherein M is W, Mo or Re, is described as well as its use in metathesis reactions. The reduced catalysts are able to metathesize olefins at low temperatures and are therefore also suitable for metathesis of functionalized olefins.

Methods for oxidative coupling of methane using metal oxide catalysts and a sulfur oxidant.

Methods for oxidative coupling of methane using metal oxide catalysts and a sulfur oxidant.

Aspects of the present disclosure generally relate to semiconductor nanoparticles, metal-semiconductor hybrid structures, processes for producing semiconductor nanoparticles, processes for producing metal-semiconductor hybrid structures, and processes for producing conversion products. In an aspect is provided a process for producing a metal-semiconductor hybrid structure that includes introducing a first precursor comprising a metal from Group 11-Group 14 to an amine and an anion precursor to form a semiconductor nanoparticle comprising the Group 11-Group 14 metal; introducing a second precursor comprising a metal from Group 7-Group 11 to the semiconductor nanoparticle to form a metal-semiconductor mixture; and introducing the metal-semiconductor mixture to separation conditions to produce the metal-semiconductor hybrid structure. In another aspect is provided a metal-semiconductor hybrid structure that includes a first component comprising a metal from Group 11-Group 14 and an element from Group 15-Group 16; and a second component comprising a metal from Group 7-Group 11.

A system for decomposing contaminants, including volatile compounds (VOCs), with a visible-spectrum photocatalytic composition.

The application pertains to a process comprising a) acidifying a carbohydrate to a pH below 2; b) heating the mixture from step a) to a temperature from about 60° C. to about 100° C.; c) adding a catalyst to the mixture from step b) over a time from about 10 minutes to about 200 minutes; d) heating the mixture from step c) to a temperature from about 121° C. to about 140° C. and to a pressure of about 4.5 Kg/cm.sup.2 to about 5.3 Kg/cm.sup.2 over a time from about 15 minutes to about 90 minutes; and e) maintaining the mixture of step d) at a temperature from about 121° C. to about 140° C. and a pressure of about 4.5 Kg/cm.sup.2 to about 5.3 Kg/cm.sup.2 over a time from about 1 minute to about 300 minutes.

A photocatalyst powder is provided. The photocatalyst powder includes a plurality of nano crystallite aggregates formed by a plurality of nano crystallites. Each of the nano crystallites exhibits a single crystal structure. The nano crystallites have different compositions, different crystal phases, and different lattice constants from each other. An example of the nano crystallites is represented as the formula of ZnO.sub.1-xS.sub.x with different x values in each of the nano crystallites. In addition, a hydrogen producing system is also provided.