A kind of preparation method of high temperature gas phase dechlorination agent
A technology of dechlorination agent and high temperature gas, applied in the field of gas phase dechlorination, can solve problems such as prolonging the service life of dechlorination agent, and achieve the effects of improving adsorption activity, penetrating chlorine capacity, increasing porosity and stable structure
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Embodiment 1
[0041] The preparation method of the present embodiment comprises the following steps:
[0042] Step 1, mix 20kg potassium bicarbonate and 40kg calcium hydroxide evenly to obtain a mixture, then add 6kg of water and stir until it is pasty, and obtain a mixture slurry;
[0043] Step 2, leave the mixed slurry obtained in the step 1 open to stand in the open for reaction, then dry naturally, so that the mass content of water in the mixed slurry after reaction is 0.8%;
[0044] Step 3. Use a ball mill to pulverize the dried mixed slurry in step 2 to 140 mesh to 230 mesh, then dry it for 4 hours at a temperature of 130°C, and roast it at a temperature of 550°C. 4h, obtain the first intermediate of 52.17kg;
[0045] Step 4, add 2.61kg of potassium bicarbonate and 2.61kg of water to the first intermediate obtained in step 3 and fully stir, then leave it open in the open for reaction, then dry naturally to make the mass content of water in the system after the reaction Be 0.8%, obta...
Embodiment 2
[0048] The preparation method of the present embodiment comprises the following steps:
[0049] Step 1. Mix 20kg sodium bicarbonate and 80kg calcium hydroxide uniformly to obtain a mixture, then add 20kg of water and stir until it is pasty to obtain a mixture slurry;
[0050] Step 2, leave the mixed slurry obtained in the step 1 open to stand in the open for reaction, then dry naturally, so that the mass content of water in the mixed slurry after reaction is 0.9%;
[0051] Step 3: Use a ball mill to pulverize the dried mixed slurry in step 2 to 140 mesh to 230 mesh, then dry it for 5 hours at a temperature of 110°C, and roast it at a temperature of 500°C 5h, obtain the first intermediate of 88.81kg;
[0052] Step 4, add 8.88kg sodium bicarbonate to the first intermediate obtained in step 3, and 8.88kg water and fully stir, then open and leave to stand in the open for reaction, then dry naturally to make the quality of water in the system after the reaction Content is 0.9%, o...
Embodiment 3
[0055] The preparation method of the present embodiment comprises the following steps:
[0056] Step 1, mix 10kg potassium bicarbonate, 30kg sodium bicarbonate and 160kg calcium hydroxide uniformly to obtain a mixture, then add 40kg of water and stir until it is pasty, to obtain a mixture slurry;
[0057] Step 2, leave the mixed slurry obtained in the step 1 open to stand in the open for reaction, then dry naturally, so that the mass content of water in the mixed slurry after reaction is 0.5%;
[0058] Step 3. Use a ball mill to pulverize the dried mixed slurry in step 2 to 140 mesh to 230 mesh, then dry it at 140°C for 3 hours, and then bake it at 600°C. 3h, to obtain 179.51kg of the first intermediate;
[0059] Step 4, add 6.73kg potassium bicarbonate, 20.20kg sodium bicarbonate and 26.93kg water to the first intermediate obtained in step 3 and fully stir, then leave it open in the open air for reaction, then dry naturally to make the reaction The mass content of water in ...
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