Method for removing perchlorate ion in water and preparation of adsorption material
An adsorption material and perchlorate technology, applied in chemical instruments and methods, adsorption water/sewage treatment, water pollutants, etc., can solve the problem of low adsorption rate, achieve good selectivity, strong practicability, and high adsorption capacity Effect
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[0019] (1) Weigh 20g of granular charcoal and place it in a clean beaker (the amount of granular charcoal can be any, but it must meet the requirements of the amount required in the future), mix it with deionized water, and the amount of deionized water should submerge the granules The charcoal is heated on an electric furnace to make it boil for 3min-10min, then let it cool naturally and place it for 20h-30h, then pour out the deionized water, and then rinse it with deionization for 2 to 3 times. The purpose is to wash away the impurities, and then put it in a constant temperature drying oven at 110°C-130°C to dry, with a constant weight, and put it into a ground bottle for later use.
[0020] This step (1) is to activate the granular activated carbon.
[0021] (2) Weigh 5g of FeSO 4 7H 2 O or FeCl 3 7H 2 O or FeCl 2 4H 2 O or Fe 2 (SO4) 3 ·9H 2 O (analytical purity) and 5g activated carbon are mixed in a clean beaker (FeSO 4 7H 2 O or FeCl 3 7H 2 O or FeCl 2 4H 2 O or Fe 2 (SO4)...
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