▎ 摘　　要

NOVELTY - Drinking water filtration device based on graphene technology comprises e.g. first filter. The first filter element and first filter core sleeve. The first filter element is disposed in the first filter element sleeve and the first filter element sleeve is provided with a water inlet and a water outlet. The filter material of first filter element is single-layer graphene nanosheet, three-dimensional mesoporous graphene nanomaterial, three-dimensional macroporous graphene nanomaterial, graphene airgel, graphene nanofibers and/or graphene organic framework composite nanomaterial. USE - Used as drinking water filtration device based on graphene technology. ADVANTAGE - The drinking water filtration device removes pollutant in drinking water, has simple structure, good filtering effect and high purifying efficiency. DETAILED DESCRIPTION - Drinking water filtration device based on graphene technology comprises a first filter. The first filter element and first filter core sleeve. The first filter element is disposed in a first filter element sleeve and first filter element sleeve is provided with a water inlet and a water outlet. The filter material of first filter element is single-layer graphene nanosheet, three-dimensional mesoporous graphene nanomaterial, three-dimensional macroporous graphene nanomaterial, graphene airgel, graphene nanofibers and/or graphene organic framework composite nanomaterial. The second filter comprises a second filter element and second filter element sleeve core. The second filter element is arranged in the second filter element sleeve. The second filter element sleeve is provided with a water inlet and a water outlet. The outlet of first cartridge sleeve is connected. The filter material of the second filter element is formed by mixing graphene oxide-superparamagnetic nanoparticle composite material and graphene-reinforced diatom ceramic material. The water tap is provided with a water inlet and a water outlet and water inlet is connected with water outlet of the second filter sleeve core. An INDEPENDENT CLAIM is also included for filtering drinking water, comprising passing drinking water through first filter layer and second filter layer to filter, where first filter layer is made of single-layer graphene nano sheet, three-dimensional mesoporous graphene nano material, three-dimensional macroporous nano graphene material, graphene aerogel, graphite nanofiber or graphene-organic framework compound nano material and second filter layer comprises graphene oxide superparamagnetic nano-particle composite material and graphene-reinforced silicon algae ceramic materials. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the drinking water filtration device.