▎ 摘　　要

NOVELTY - Preparing hydrophobic composite material for efficient adsorption and catalytic degradation of chloroform in water comprises (1) taking high iodine value carbon fiber, cleaning and drying, taking carbon fiber and graphene oxide dispersion liquid in a mass ratio of 10:1, and ultrasonically treating, (2) taking ferrosilicium-type iron-silicon alloy powder, AlSi10Mg-type magnesium-aluminum-silicon alloy powder and CuZn5050-type zinc-copper alloy powder and obtaining magnesium-iron-zinc metal mixture, and (3) crushing reduced graphene oxide modified carbon fiber of the step (1) and passing through a 100-mesh sieve to obtain reduced graphene oxide modified carbon fiber powder, taking reduced graphene oxide modified carbon fiber powder and magnesium-iron-zinc metal mixture to obtain solid phase mixture after mixing, and dropping the phase change mixture into water through a thin tube or a thin opening to perform phase change to obtain composite material. USE - The composite material is useful in water purification, and removing chloroform in water (claimed). ADVANTAGE - The composite material: can realize the reduction of chloroform; degrades the chloroform into methane insoluble in water; small amount of dissolved metal ions is harmless to the human body and can supplement minerals; and can ensure the safety of drinking water while realizing the catalytic degradation of chloroform in water. DETAILED DESCRIPTION - Preparing hydrophobic composite material for efficient adsorption and catalytic degradation of chloroform in water comprises (1) taking high iodine value carbon fiber, cleaning and drying, taking carbon fiber and graphene oxide dispersion liquid in a mass ratio of 10:1, ultrasonically treating for 30 minutes after mixing, then adding concentrated aqueous ammonia 10-20 times the total mass of carbon fiber and graphene oxide dispersion liquid, stirring at 80-100degreesC for 2-4 hours, and obtaining reduced graphene oxide modified carbon fiber after drying, (2) taking ferrosilicium-type iron-silicon alloy powder, AlSi10Mg-type magnesium-aluminum-silicon alloy powder and CuZn5050-type zinc-copper alloy powder in a mass ratio of 3:4:3, mixing uniformly, and obtaining magnesium-iron-zinc metal mixture, and (3) crushing reduced graphene oxide modified carbon fiber of the step (1) and passing through a 100-mesh sieve to obtain reduced graphene oxide modified carbon fiber powder, taking reduced graphene oxide modified carbon fiber powder and magnesium-iron-zinc metal mixture in a mass ratio of 1:1 to obtain solid phase mixture after mixing, taking solid phase mixture and polyvinylidene fluoride in a mass ratio of 6:4-8.5:1.5, adding dimethylacetamide solution after mixing until the polyvinylidene fluoride is completely dissolved, stirring to obtain a phase change mixture, and dropping the phase change mixture into water through a thin tube or a thin opening to perform phase change to obtain composite material.