Proposed is a photocatalytic complex. The photocatalytic complex includes a photocatalyst, and an iodine compound layer formed on a surface of the photocatalyst to cover the same and containing an iodine compound. The present disclosure enables selective degradation of hydrophilic volatile organic compounds by the use of the photocatalyst coated with the iodine compound.

Proposed is a photocatalytic complex. The photocatalytic complex includes a photocatalyst, and an iodine compound layer formed on a surface of the photocatalyst to cover the same and containing an iodine compound. The present disclosure enables selective degradation of hydrophilic volatile organic compounds by the use of the photocatalyst coated with the iodine compound.

Provided is a titanium oxide composition that has a high capability to decompose odor-causing substances, is less likely to cause re-emission of an odor-causing substance(s) due to adsorption of water, and exhibits an excellent particle dispersion stability. The titanium oxide composition contains titanium oxide particles, a component A and a component B. The component A is at least one kind selected from a group of sepiolite and attapulgite, and the component B is at least one kind selected from a group of high silica zeolite and hydrophobic silica. A mass ratio of the component A to the titanium oxide particles is 0.75 to 3.25, and a mass ratio of the component B to the component A is 0.25 to 3.0. Also provided is a member having such titanium oxide composition on its surface.

Provided is a titanium oxide composition that has a high capability to decompose odor-causing substances, is less likely to cause re-emission of an odor-causing substance(s) due to adsorption of water, and exhibits an excellent particle dispersion stability. The titanium oxide composition contains titanium oxide particles, a component A and a component B. The component A is at least one kind selected from a group of sepiolite and attapulgite, and the component B is at least one kind selected from a group of high silica zeolite and hydrophobic silica. A mass ratio of the component A to the titanium oxide particles is 0.75 to 3.25, and a mass ratio of the component B to the component A is 0.25 to 3.0. Also provided is a member having such titanium oxide composition on its surface.

Some embodiments include a copper (Cu)-doped titania coating layer, including a titania matrix and Cu element doped therein, characterized in that a doping amount of the Cu element is 4-25 mol % of the entire cured coating layer. Some embodiments include a coating composition of the coating layer, and a process for preparing the coating composition, including: (1) preparing a solution comprising a titanium alkoxide and a diluent; (2) preparing a solution comprising a copper precursor compound and a diluent, (3) mixing the above two solutions to obtain a precursor mixture of the composition, wherein in the above steps (1) and (2), the pH value of the solutions is controlled to in the range of 0.1 to 6, and the solutions of steps (1) and (2) are substantially free of water.

Some embodiments include a copper (Cu)-doped titania coating layer, including a titania matrix and Cu element doped therein, characterized in that a doping amount of the Cu element is 4-25 mol % of the entire cured coating layer. Some embodiments include a coating composition of the coating layer, and a process for preparing the coating composition, including: (1) preparing a solution comprising a titanium alkoxide and a diluent; (2) preparing a solution comprising a copper precursor compound and a diluent, (3) mixing the above two solutions to obtain a precursor mixture of the composition, wherein in the above steps (1) and (2), the pH value of the solutions is controlled to in the range of 0.1 to 6, and the solutions of steps (1) and (2) are substantially free of water.

The invention provides a catalyst composition, including a mixture of catalytically active particles and a magnetic material, such as superparamagnetic iron oxide nanoparticles, capable of inductive heating in response to an applied alternating electromagnetic field. The catalytically active particles will typically include a base metal, platinum group metal, oxide of base metal or platinum group metal, or combination thereof, and will be adapted for use in various catalytic systems, such as diesel oxidation catalysts, catalyzed soot filters, lean NOx traps, selective catalytic reduction catalysts, ammonia oxidation catalysts, or three-way catalysts. The invention also includes a system and method for heating a catalyst material, which includes a catalyst article that includes the catalyst composition and a conductor for receiving current and generating an alternating electromagnetic field in response thereto, the conductor positioned such that the generated alternating electromagnetic field is applied to at least a portion of the magnetic material.

Provided are catalyst particles for treating vehicle exhaust gas, containing semiconductor nanoparticles supported by noble metals.

Provided are catalyst particles for treating vehicle exhaust gas, containing semiconductor nanoparticles supported by noble metals.

Present invention relates to a process for production of isomerization catalyst, containing a base of zirconia, a binder based on alumina and/or silica at-least one component of Group VI of the periodic table in the form of their oxyanions, a hydrogenation/dehydrogenation component loaded on the base, at least one metal selected from the group consisting of Pt, Pd, Sn, Re or mixtures thereof, and an peptization agent, wherein the peptizing agent is an organic acid and polymers, which improve the physicochemical properties of the isomerization catalyst for the production of C4-C12 paraffin's.