The Invention describes photocatalytic reactor systems that employ fluidization of the photocatalyst. These systems are useful for performing chemical transformations on a chemical containing fluid, including for VOCs. Aspects of the invention include non-imaging optics, abrasion resistant coatings and photoreactor designs.

This disclosure relates to polishing compositions containing at least one abrasive, at least one organic photocatalyst, and water.

The present disclosure relates to a photocatalytic silica-based granular media for degrading organic compounds formed from a three-dimensional polymer and comprising cross-linked silicon-oxygen bonds, wherein the media comprises a distribution of pore space. The present disclosure also relates to a process for producing the granular media, a method of using the granular media to degrade one or more organic compounds, and a reactor using the granular media.

The invention relates to a method for producing methanol by the CO.sub.2 conversion route in a photocatalytic process, wherein a base liquid (A) in the form of demineralized and CO.sub.2-saturated water is provided to the reaction tank (1) and graphene material (B) is provided and the contents of the reaction tank (1) is exposed to electromagnetic radiation with a wavelength in the UV-VIS-FIR range that is generated by an emitter (D). The invention also relates to an installation for implementing the method.

A method for preparing a porous nano-fiber heterostructure photocatalytic filter screen includes: preparing a noble metal nanostructure with tunable spectra and a heterostructure composite photocatalyst of a photocatalytic material; and preparing a large area and multilayer porous nano-fiber filter screen structure, while utilizing a scattering enhancement effect of metal nanoparticles in an porous optical fiber to realize repeated conduction of sunlight in the optical fiber and finally interact with the composite photocatalyst on a surface to improve photocatalytic efficiency. Preparation of the heterostructure composite photocatalyst with a wide spectral response of and tunable visible to infrared band spectra is realized, at the same time, with reference to high adsorbability, high light transmission of nanometer fiber and unique optical characteristics of metal nanoparticles, an air purification filter screen with a high sunlight utilization rate and a high catalytic degradation capability is creatively provided.

An efficient photocatalyst nanocomposite comprising reduced graphene oxide, noble metal, and a metal oxide prepared by a one-step method that utilizes date seed extract as a reducing and nanoparticle determining size agent. The photocatalyst of the invention is a more effective sunlight photocatalyst than that prepared by traditional method in the photo decomposition of organic compounds in contaminated water.

An allylic oxidation process includes forming a mixture containing -Guaiene and an iron (III)-X porphyrin complex catalyst in a sustainable solvent, introducing molecular oxygen into the mixture, and effecting allylic oxidation to produce an ,-unsaturated ketone, Rotundone.

An apparatus for treating a substrate includes a heat treatment chamber having an interior space, a housing that is provided in the interior space and that has a treatment space therein, a gas supply line that supplies, into the treatment space, a hydrophobic gas for hydrophobicizing the substrate, and a decomposition unit that decomposes an alkaline gas leaking from the treatment space to the interior space.

Methods of synthesizing and isolating facial-tris-homoleptic phenylpyridinato iridium (III) photocatalysts are disclosed. Also disclosed are methods of recovering excess 2-phenylpyridine ligands from said syntheses.

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.