▎ 摘　　要

NOVELTY - Sponge product comprises sponge substrate, which is covered with graphene oxide. The sponge is mixed with metal organic material. USE - Sponge product for separating water and oil. ADVANTAGE - The sponge product has hydrophobic and oleophylic characteristics, and stimulates offshore oil recovery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing sponge product, which involves: (A) soaking sponge in graphene oxide solution; (B) drying the soaked sponge; and (C) mixing the dried sponge in mother liquid of metal organic material.