▎ 摘　　要

NOVELTY - The electroreduction radionuclides adsorbing type modified graphene electrode material is prepared by adding acrylonitrile to deionized water to obtain mixed solution (A), adding graphene, stirring, and leaving still to obtain suspension (B), heating suspension (B), adding persulfuric acid, and reacting to obtain mixed solution (C), centrifuging, removing supernatant to obtain substance (D), washing, removing excess ammonium persulfate and acrylonitrile monomer to obtain substance (E), washing with deionized water to obtain substance (F), adding hydroxylamine hydrochloride to solution comprising methanol and water to obtain mixed solution (G), adjusting pH, filtering and removing sodium chloride precipitate, adding substance (F) to mixed solution (I) to obtain mixed solution (J), stirring and reacting to obtain mixed solution (K), centrifuging, and removing supernatant, washing with solution comprising methanol and water, washing substance (M) with deionized water, and drying. USE - Electroreduction radionuclides adsorbing type modified graphene electrode material. ADVANTAGE - The electroreduction radionuclides adsorbing type modified graphene electrode material ensuring enhanced treatment effect is prepared by simple process. DETAILED DESCRIPTION - The electroreduction radionuclides adsorbing type modified graphene electrode material is prepared by (1) adding 1 ml acrylonitrile to 300 ml deionized water to obtain mixed solution (A), (2) adding 0.2 g graphene to mixed solution (A), stirring under room temperature condition for 20 minutes, and leaving still for 8 hours to obtain suspension (B), (3) adding suspension (B) to constant temperature water bath and heating at 50degrees Celsius, adding 100 mL 0.1 M persulfuric acid, and reacting for 3 hours to obtain mixed solution (C), (4) centrifuging the complex in mixed solution (C), removing supernatant to obtain substance (D), (5) washing substance (D) with solution comprising methanol and water at volume ratio of 5:1 for 4 times, removing excess ammonium persulfate and acrylonitrile monomer to obtain substance (E), (6) washing substance (E) 4 times with deionized water to obtain substance (F), (7) adding 140 g hydroxylamine hydrochloride to 800 ml solution comprising methanol and water at volume ratio of 5:1 to obtain mixed solution (G), (8) adjusting pH using 2 M sodium hydroxide solution until pH is 10 to obtain mixed solution (H), (9) filtering the mixed solution (H), and removing sodium chloride precipitate to obtain mixed solution (I), (10) adding substance (F) to 100 mL mixed solution (I) to obtain mixed solution (J), (11) placing mixed solution (J) in constant temperature water bath at 70degreesC, stirring and reacting 3 hours to obtain mixed solution (K), (12) centrifuging mixed solution (K), and removing supernatant to obtain substance (L), (13) washing substance (L) 4 times with solution comprising methanol and water at volume ratio of 5:1 to obtain material (M), (14) washing substance (M) 4 times with deionized water to obtain substance (N), and (15) drying the substance (N) at 60degreesC for 5 hours.