Modified kaolin adsorbent, and preparation method and application of modified kaolin adsorbent
A kind of Guanyin soil and adsorbent technology, applied in chemical instruments and methods, other chemical processes, gas treatment, etc., can solve problems such as poor Guanyin soil effect, and achieve the effects of increased mechanical strength, short process flow, and improved mercury removal efficiency.
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Embodiment 1
[0018] In the embodiment of the present invention, a modified Avalokitesvara adsorbent is composed of the following raw materials in parts by weight: 34 parts of Avalokitesvara, 2 parts of Pingpingjiao, 5 parts of tannic acid, and 13 parts of dipropylene glycol.
[0019] Dipropylene glycol was mixed with 7.8 times its mass of deionized water to prepare a dipropylene glycol solution. Mix and grind Avalokitesvara and Pingpinga O, pass through a 120-mesh sieve, then add dipropylene glycol solution, heat up to 77°C and seal and stir at this temperature for 1.3h, then heat up to 92°C and add tannic acid dropwise, dropwise After completion, stir at this temperature for 10 minutes, then lower it to 65°C and ultrasonically treat it for 45 minutes with an ultrasonic power of 800W, then stir at a temperature of 99°C until dry, and then calcinate in a muffle furnace at 450°C for 4.1 hours to obtain the adsorption agent.
Embodiment 2
[0021] In the embodiment of the present invention, a modified Avalokitesvara adsorbent is composed of the following raw materials in parts by weight: 42 parts of Avalokitesvara, 6 parts of Pingpingjiao, 13 parts of tannic acid, and 21 parts of dipropylene glycol.
[0022] Dipropylene glycol was mixed with 7.8 times its mass of deionized water to prepare a dipropylene glycol solution. Mix and grind Avalokitesvara and Pingpinga O, pass through a 120-mesh sieve, then add dipropylene glycol solution, heat up to 77°C and seal and stir at this temperature for 1.3h, then heat up to 92°C and add tannic acid dropwise, dropwise After completion, stir at this temperature for 10 minutes, then lower it to 65°C and ultrasonically treat it for 45 minutes with an ultrasonic power of 800W, then stir at a temperature of 101°C until dry, and then calcinate in a muffle furnace at 450°C for 4.1 hours to obtain the adsorption agent.
Embodiment 3
[0024] In the embodiment of the present invention, a modified Avalokitesvara adsorbent is composed of the following raw materials in parts by weight: 36 parts of Avalokitesvara, 3 parts of Pingpingjiao, 7 parts of tannic acid, and 15 parts of dipropylene glycol.
[0025] Dipropylene glycol was mixed with 7.8 times its mass of deionized water to prepare a dipropylene glycol solution. Mix and grind Avalokitesvara and Pingpinga O, pass through a 120-mesh sieve, then add dipropylene glycol solution, heat up to 77°C and seal and stir at this temperature for 1.3h, then heat up to 92°C and add tannic acid dropwise, dropwise After completion, stir at this temperature for 10 minutes, then lower it to 65°C and ultrasonically treat it for 45 minutes with an ultrasonic power of 800W, then stir at a temperature of 100°C until it is dry, and then calcinate in a muffle furnace at 450°C for 4.1 hours to obtain the adsorption agent.
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