Modified akadama soil adsorbent and preparation method thereof
A technology of red jade soil and adsorbent, which is applied in the field of modified red jade soil adsorbent and its preparation, can solve the problems of poor red jade soil effect, achieve low cost, facilitate large-scale popularization and use, and reduce the cost of mercury removal
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Embodiment 1
[0018] In the embodiment of the present invention, a modified red jade soil adsorbent is composed of the following raw materials in parts by weight: 34 parts of red jade soil, 2 parts of leveling agent OP, 5 parts of tannic acid, and 13 parts of propylene glycol.
[0019] Mix propylene glycol with 7.8 times the mass of deionized water to prepare a propylene glycol solution. Mix and grind red jade soil and leveling agent OP, pass through a 120-mesh sieve, then add propylene 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 red jade soil adsorbent is composed of the following raw materials in parts by weight: 42 parts of red jade soil, 6 parts of leveling agent OP, 13 parts of tannic acid, and 21 parts of propylene glycol.
[0022] Mix propylene glycol with 7.8 times the mass of deionized water to prepare a propylene glycol solution. Mix and grind red jade soil and leveling agent OP, pass through a 120-mesh sieve, then add propylene 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 red jade soil adsorbent is composed of the following raw materials in parts by weight: 36 parts of red jade soil, 3 parts of leveling agent OP, 7 parts of tannic acid, and 15 parts of propylene glycol.
[0025] Mix propylene glycol with 7.8 times the mass of deionized water to prepare a propylene glycol solution. Mix and grind red jade soil and leveling agent OP, pass through a 120-mesh sieve, then add propylene 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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