Preparation method and application of graphene photocatalytic material

Abstract

The invention belongs to the technical field of graphene photocatalytic material processing, and particularly relates to a preparation method and application of a graphene photocatalytic material. The invention provides the preparation method of the graphene photocatalytic material. The preparation method comprises the following steps: S1, mixing catalytic materials by using a filtering and washing part in a dispersing device; S2, after a suspension in the filtering and washing part is prepared, adding a solid reaction material into the filtering and washing part; and S3, filtering and washing the generated catalytic materials for multiple times. The dispersing device comprises a supporting part and a filtering and washing part, the filtering and washing part can rotate on the supporting part, the filtering and washing part is composed of a containing cavity and a filtering pipe, the filtering pipe is arranged on the side portion of the containing cavity, a feeding assembly is mounted on the containing cavity, and a solid reaction material is mounted on the feeding assembly. According to the invention, the efficiency of preparing the graphene photocatalytic material can be improved.

Description

technical field [0001] The invention belongs to the technical field of graphene photocatalytic material processing, and in particular relates to a preparation method and application of a graphene photocatalytic material. Background technique [0002] For example, the application number 201010274706.9 is a graphene composite photocatalyst and its preparation method and application. This invention belongs to the field of photocatalysis technology and discloses a graphene composite photocatalyst compounded by graphene and semiconductor photocatalytic materials and its preparation method and Purpose, the graphene composite photocatalyst is a composite photocatalytic material with a surface heterojunction structure, which consists of graphene sheets and semiconductor photocatalysts wrapped by graphene sheets, using deionized water and reducing alcohol The graphene composite photocatalyst is prepared by the double-solvent photocatalytic reduction method of the agent, the reduction...

AI Technical Summary

Problems solved by technology

[0002] For example, the application number 201010274706.9 is a graphene composite photocatalyst and its preparation method and application. This invention belongs to the field of photocatalysis technology and discloses a graphene composite photocatalyst compounded by graphene and semiconductor photocatalytic materials and its preparation method and Purpose, the graphene composite photocatalyst is a composite photocatalytic material with a surface heterojunction structure, which consists of graphene sheets and semiconductor photocatalysts wrapped by graphene sheets, using deionized water and reducing alcohol The graphene composite photocatalyst is prepared by the double-solvent photocatalytic reduction method of the agent, the reduction of graphene and the formation of the heterojunction structure are completed in one step, the process is simple, the reagent is cheap, and the catalyst has high adsorption and high photocatalytic oxidation activity Governance and solar energy conversion and utilization, such as air purification, sewage treatment, photolysis of water to produce hydrogen, and CO2 photocatalytic reduction to synthesize alcohols or hydrocarbon fuels, etc.; but the efficiency of the invention to prepare graphene photocatalytic materials is low

Images