▎ 摘　　要

NOVELTY - Preparation method of porous carbon aerogel salt-tolerant ozone catalyst, involves concentrating carbon material solution to 1-1000 mg/mL, precooling to-5-0 ℃, adding 10-1000 mL of 1-500 mg/mL nitrate solution at stirring speed of 10-3000 rpm, sealing, placing in an oven, and shaping at 20-70 ℃ for 4-18 h to obtain carbon material hydrogel containing nitrate; regenerating hydrogel in deionized water and surface of hydrogel are neutral, and then putting hydrogel into freeze dryer for drying for 2-36 hours at temperature of-100-0 ℃ to prepare frozen gel, placing carbon material gel in reaction furnace preserving heat at 800-1500 ℃ for 0.5-8 h for high-temperature carbonization pyrolysis, introducing activated gas to activate and pore-form carbon aerogel after carbonization is started for 10-120 min, cooling, soaking in water, performing filtration by using filter membrane,washing and drying to obtain porous carbon aerogel loaded with metal oxide MxOy. USE - Preparation method of porous carbon aerogel salt-tolerant ozone catalyst used for catalyzing ozone to remove organic matters. ADVANTAGE - The carbon aerogel has good stability, high porosity, large specific surface area, high conductivity, more substances and electron transmission pore passage. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the followings:(1) A salt-tolerant ozone catalyst of porous carbon aerogel, specific surface area reaches 600 to 950m2.g -1The porosity is up to 75-98%, and the aperture is 2.5-8.0 nm.(2)The application of the salt-tolerant ozone catalyst of the porous carbon aerogel, is used for catalyzing ozone to remove organic matters which are difficult to degrade in high-concentration brine with TDS of 1-10%.