A method for large-scale continuous preparation of nanometer zero-valent metal materials
A nano-zero-valent, metal material technology, applied in nanotechnology and other directions, can solve problems such as easy oxidation by air, rising raw material costs, secondary iron pollution, etc., to improve dispersibility and reduction activity, optimize reduction reaction conditions, improve The effect of utilization efficiency
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Embodiment 1
[0035]Weighten garlic waste, broken, and sieve through 40 mesh, thrown into water, soaking 24 hours; collecting garlic waste particles floating on the water surface, mixing magnesium hydroxide and sodium hydroxide mixing solution to adjust its pH The value is at 13. After the mixing is stirred for 12 hours, the particulate matter therein is collected;
[0036]The 0.01 M concentration of iron ion solution 50 liters, the initial pH is 2.5, and the first step is placed in the previous step to prepare a garlic waste particulate matter (adsorbent), and after stirring for 30 minutes, the adsorbent is filtered, After washing 3 times, add water 100 to the uniform slurry;
[0037]The 0.1M concentration of sodium sodium sodium sodium sodium sodium sodium sodium sodium hydrogenide was prepared, and the garlic waste particles slurry with the above adsorption of the iron ions were pumped into the reactor of 500 liters of the reaction pump, respectively. Among them, the interval spacer is mixed, expose...
Embodiment 2
[0039]Weighten garlic waste, broken, and sieve passed 80 mesh, thrown into water, infiltrate 12 hours; collect the garlic waste particles floating on the water surface, add calcium hydroxide and sodium hydroxide mixed solution to adjust its pH The value is at 11. After the mixing is stirred for 24 hours, the particulate matter is collected;
[0040]The 0.02 M concentration of iron ion solution is 100 liters, and the initial pH is 2.5, and the garlic waste particulate (adsorbent) 10 kg (dry base) is placed in the previous step, and the adsorbent is filtered after 30 minutes. After washing 3 times, the water is added to the water 500 to adjust the uniform slurry;
[0041]The 0.2 M concentration of sodium sodium sodium sodium sodium sodium sodium sodium sodium hydrogenide solution was prepared, and the garlic waste particles slurry with the iron ions were loaded into the reactor of 500 liters of reactors with the infusion pump, respectively. Among them, the interval spacer is mixed, exposed ...
Embodiment 3
[0043]Weighten garlic waste, broken, and sieve passed 80 mesh, thrown into water, infiltrate 12 hours; collect the garlic waste particles floating on the water surface, add calcium hydroxide and sodium hydroxide mixed solution to adjust its pH The value is at 11. After the mixing is stirred for 24 hours, the particulate matter is collected;
[0044]The 0.05m concentration of the nickel chloride solution is 200 liters, the initial pH is 6.5, and the garlic waste particulate (adsorbent) is added to the previous step, and the adsorbent is filtered, and the adsorbent is filtered, used for 30 minutes. After washing 3 times, add water 100 to the uniform slurry;
[0045]The 0.05m concentration of sodium sodium sodium sodium sodium hydrogenide solution is prepared, and the garlic waste particles slurry loaded with the iron ions with the above adsorption, and the total space of the reaction pump is 500 liters of the reactor in the reactor of 500 liters. Among them, the interval spacer is mixed, ex...
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