Preparation method of cobalt ferrite and graphene oxide nano-compound adsorbent for treating water body
A nano-composite, graphene technology, applied in the directions of alkali metal compounds, alkali metal oxides/hydroxides, adsorbed water/sewage treatment, etc., can solve the problems of incapable metal ions and aggregation of pollution, and increase the adsorption performance. and dispersibility, improving performance, and the effect of large pore structure
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[0022] Embodiment 1, the preparation method that cobalt ferrite and graphene oxide nanocomposite is applied to adsorbent to treat water body comprises the following preparation steps:
[0023] (1) prepare the required graphene of the present invention, low temperature stage, middle temperature stage and high temperature stage, wherein the temperature of middle temperature stage is kept on 40-60 ℃;
[0024] (2) Ultrasonic method strips graphite oxide and disperses it in deionized water to prepare an aqueous suspension;
[0025] (3) FeSO 4 ·7H 2 O and CoCl 2 4H 2 O was dissolved in a mixture of ethylene glycol and distilled water, then graphite oxide and ammonia water were added and stirred, and then the mixture was transferred to a high-pressure reactor at 180°C for 24 hours;
[0026] (4) The product obtained after magnetic separation was repeatedly washed with distilled water and ethanol, and finally dried in an oven for 12 hours at a drying temperature of 60°C.
[0027] ...
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