▎ 摘　　要

NOVELTY - A high efficiency oil-water separation grass-modified graphene aerogel comprises graphene oxide powder raw material and grass powder modifier, and prepared via through hydrothermal reaction. USE - High efficiency oil-water separation grass-modified graphene aerogel. ADVANTAGE - The product has increased contact angle, hydrophobicity and adsorption capacity, has improved selective adsorption treatment effect, low-cost, easy separation, high adsorption capacity, good regeneration effect, environment-friendly. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the: (1) preparation of high efficiency oil-water separation grass-modified graphene aerogel comprising taking grass, washing, drying, grinding and sieving to obtain grass powder, adding urea to graphene oxide solution, ultrasonic dispersing to obtain mixed solution, adding grass powder, mixing, cell crushing, to obtain uniform solution, sealing, performing hydrothermal reaction, cooling, soaking and washing with deionized water, and freeze drying; and (2) application of high efficiency oil-water separation grass-modified graphene aerogel comprising adding 30-60 mg high efficiency oil-water separation grass-modified graphene aerogel foroil-water mixture with oil content of not less than 10 mL; and compressing high efficiency oil-water separation grass-modified graphene aerogel for oil-water mixture with oil content of not greater than 10 mL, placing in filter head for processing, performing gravity driven filtration heavy oil, and performing peristaltic pump extraction filtration for light oil to achieve oil-water separation.