▎ 摘　　要

NOVELTY - Preparing thiophene selective molybdenum diselenide-rGO foam composite film involves dissolving the selenium powder in hydrazine hydrate, magnetically stirring for 11-13 hours to obtain hydrazine hydrate-selenium mixed solution, then adding the hydrazine hydrate-selenium mixed solution into sodium molybdate (Na2MoO4) solution to obtain molybdenum diselenide precursor, then mixing the molybdenum diselenide precursor with graphene oxide solution, ultrasonically processing for 0.5-1.5 hours to obtain the mixture, and sealing the mixture in the stainless steel of auto clavelining for hydrothermal treatment, cooling, washing and freezing and drying to obtain the molybdenum diselenide (MoSe2)-rGO. The polyether block amide is dissolved at 65-75 degrees C of n-butyl alcohol to obtain the first solution. The MoSe2-rGO is ultrasonically dispersed in n-butyl alcohol to obtain the second solution. USE - Method for preparing thiophene selective molybdenum diselenide-rGO foam composite film used for separating thiofuran (claimed). ADVANTAGE - The method improves the free volume in the composite film and provides more promoting transmission site for the thiophene, so as to effectively improve the pervaporation desulfurization performance of Pebax film, and has good thiophene separating ability. DETAILED DESCRIPTION - Preparing thiophene selective molybdenum diselenide-rGO foam composite film involves dissolving the selenium powder in hydrazine hydrate, magnetically stirring for 11-13 hours to obtain hydrazine hydrate-selenium mixed solution, then adding the hydrazine hydrate-selenium mixed solution into sodium molybdate (Na2MoO4) solution to obtain molybdenum diselenide precursor, then mixing the molybdenum diselenide precursor with graphene oxide solution, ultrasonically processing for 0.5-1.5 hours to obtain the mixture, and sealing the mixture in the stainless steel of auto clavelining for hydrothermal treatment, cooling, washing and freezing and drying to obtain the molybdenum diselenide (MoSe2)-rGO. The polyether block amide is dissolved at 65-75 degrees C of n-butyl alcohol to obtain the first solution. The MoSe2-rGO is ultrasonically dispersed in n-butyl alcohol to obtain the second solution. The first solution and the second solution are mixed, stirred for 3.5-4.5 hours at 70-80 degrees C to obtain the casting solution, used polyvinylidene fluoride micro-filtration membrane as supporting layer, coated the casting solution on the polyvinylidene fluoride micro-filtration membrane by spin coating method to obtain MoSe2-rGO/Pebax/PVDF composite membrane.