Preparation method of porous cellulose acetate micropellet adsorbent
A technology of cellulose acetate and cellulose diacetate, which is applied in chemical instruments and methods, adsorption water/sewage treatment, alkali metal oxides/hydroxides, etc., to achieve the effects of reducing pollution, good adsorption capacity, and mild reaction conditions
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[0021] A preparation method of porous cellulose acetate microsphere adsorbent, specifically comprising the steps of:
[0022] Step 1, extract the cellulose acetate in the filter by Soxhlet extraction: collect 100 cigarette butts, remove the remaining shredded tobacco in the cigarette butts, cut the fiber stick wrapping paper with a blade, take out the fiber stick (reject the burnt fiber stick), Obtain 20 grams of fiber rods; divide it into multiple times, wrap the fiber rods with filter paper, put them into the leaching column of the Soxhlet apparatus, add 100mL95% industrial ethanol in the distillation flask, connect to the condenser, heat to reflux on the heating mantle, and heat The reaction temperature of reflux is 100°C, carry out immersion and extraction, observe the color of ethanol in the overflow tube, stop the reaction when the color of ethanol changes from dark yellow to colorless, the time is about 2-3 hours; take out the cellulose diacetate rod full of ethanol and ...
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