▎ 摘　　要

NOVELTY - A ternary composite material which is easy to recycle light and heat for seawater desalination, comprises magnetic ferroferric oxide nanomaterials, carbon balls and other carbon materials. The carbon balls are derived from soluble sugars. The soluble sugars include one or more of maltose, fructose, glucose, sucrose and lactose. The other carbon materials are one of carbon nanotubes, amorphous carbon, graphite, graphene and graphene oxide. USE - Ternary composite material used for solar water desalination and sewage treatment (all claimed). ADVANTAGE - The ternary composite material powder is uniformly paved on water surface of certain area, and is capable of forming effective light absorbing layer to accelerate desalting efficiency of seawater. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the ternary composite material, which involves: a. adding sodium acetate, polyethylene glycol, ethylene glycol and soluble iron salt into reaction kettle, stirring with propeller stirrer for 30 minutes to make fully mixed to obtain the solution appears light yellow; b. putting the solution generated in reaction kettle at 200degrees Celsius and reacting for 7 hours and cooling to room temperature; c. washing with absolute ethanol and deionized water for 3 times and drying at 60degrees Celsius for 10 hours to obtain iron(II, III) oxide nanomaterials; d. weighing iron(II, III) oxide nanomaterials, soluble sugars and carbon materials, adding to an appropriate amount of deionized water, ultrasonically treating for 15 minutes and bubbling in nitrogen for deoxygenation for 15 minutes; e. transferring the resulting mixture to hydrothermal reactor and reacting at 180degrees Celsius for 18 hours; f. centrifuging, washing and drying the resulting solution to obtain ternary composite material; g. treating ternary composite material with a hydrophobic agent for hydrophobic treatment, ultrasonically oscillating at preset time, to obtain a hydrophobic material having ternary complex after oven dried for 4 hours.