A steel slag-based porous particle electrode
A particle electrode and steel slag technology, applied in the field of steel slag-based porous particle electrode and its preparation, can solve the problems of low utilization rate, occupation of urban land, environment, air pollution, etc., and achieve large pore size, strong adsorption performance, and large specific surface area. Effect
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Embodiment 1
[0022] A. Steel slag particles are ball milled in a ball mill, taken out, washed, soaked (the purpose of washing and soaking is to desorb impurities), dried in an oven at 105°C, and then passed through an 80-mesh sieve to take dry fine steel slag particles for later use;
[0023] B. The shale is dried in an oven at 105°C, and the dried soil sample is crushed in a mortar, then passed through an 80-mesh sieve, and the dried fine shale is taken for later use;
[0024] C, the dry fine steel slag particles in step A, the dry fine shale in step B, charcoal powder and Fe 3 o 4 According to the percentage by weight of 50%:20%:20%:10%, mix and stir evenly, extrude into raw material ball;
[0025] D. Bake the raw meal balls in step C at 105°C in an oven for 24 hours;
[0026] E. Put the raw meal balls dried in step D in a high-temperature furnace from room temperature at 120°C / h to 300°C, heat for 2 hours, then rise at 60°C / h to 550°C, activate for 20 minutes, and then 300°C / h raised...
Embodiment 2
[0029] A. Steel slag particles are ball milled in a ball mill, taken out, washed, soaked (the purpose of washing and soaking is to desorb impurities), dried in an oven at 105°C, and then passed through an 80-mesh sieve to take dry fine steel slag particles for later use;
[0030] B. The shale is dried in an oven at 105°C, and the dried soil sample is crushed in a mortar, then passed through an 80-mesh sieve, and the dried fine shale is taken for later use;
[0031] C, the dry fine steel slag particles in step A, the dry fine shale in step B, sawdust and Fe 2 o 3 According to the percentage by weight of 55%:15%:15%:15%, mix and stir evenly, extrude into raw material ball;
[0032] D. Bake the raw meal balls in step C at 105°C in an oven for 24 hours;
[0033] E. Put the raw meal balls dried in step D in a high-temperature furnace from room temperature at 120°C / h to 300°C, heat for 2 hours, then rise at 60°C / h to 550°C, activate for 20 minutes, and then 300°C / h raised to 1050...
Embodiment 3
[0036] A. Steel slag particles are ball milled in a ball mill, taken out, washed, soaked (the purpose of washing and soaking is to desorb impurities), dried in an oven at 105°C, and then passed through an 80-mesh sieve to take dry fine steel slag particles for later use;
[0037] B. The shale is dried in an oven at 105°C, and the dried soil sample is crushed in a mortar, then passed through an 80-mesh sieve, and the dried fine shale is taken for later use;
[0038] C, the dry fine steel slag particles in step A, the dry fine shale in step B, starch and MnO 2 According to the percentage by weight of 60%:15%:15%:10%, mix and stir evenly, extrude into raw material ball;
[0039] D. Bake the raw meal balls in step C at 105°C in an oven for 24 hours;
[0040] E. Put the raw meal balls dried in step D in a high-temperature furnace from room temperature at 120°C / h to 300°C, heat for 2 hours, then rise at 60°C / h to 550°C, activate for 20 minutes, and then Roast at 300°C / h to 1050°C ...
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