▎ 摘 要
NOVELTY - The embodiment of the specification claims a nanofiltration membrane, a nanofiltration membrane component and a water treatment device. The nanofiltration membrane comprises a support layer and porous oxidation graphite wherein the porous oxide layer graphite located on the supporting layer, the porous graphene oxide layer comprises at least two graphene oxide sheets, each graphene oxide sheet is distributed with a plurality of holes, the aperture of the hole is in the range of 1nm-100nm. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) a nano-filtration membrane assembly; (2) a water treatment device.