Preparation method of polypyrrole-modified corncob composite adsorbent
A composite adsorption and corncob technology, applied in chemical instruments and methods, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of lack of regeneration ability and limited adsorption capacity of adsorbents, and achieve beneficial The effect of resource recovery
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specific Embodiment approach 1
[0016] Specific embodiment one: the preparation method of the corn cob composite adsorbent modified by polypyrrole in this embodiment is implemented according to the following steps:
[0017] 1. Take out the corn cob by mechanical method, crush it into block corn cob, then clean the block corn cob with absolute ethanol and deionized water in turn, and then dry it with blast drying oven to obtain dry corn cob;
[0018] 2. Dissolving the pyrrole monomer in deionized water and stirring evenly with a magnetic force to obtain a pyrrole monomer solution;
[0019] 3. Place the dry corn cob obtained in step 1 in the pyrrole monomer solution in step 2, and stir evenly with magnetic force to obtain a mixed reaction solution;
[0020] Four, the FeCl 3 ·6H 2 O was dissolved in deionized water and stirred for 5-10 min to obtain FeCl 3 solution, followed by FeCl 3 ·6H 2 The molar ratio of O to pyrrole monomer is 1:1 to FeCl 3 The solution is added dropwise to the mixed reaction soluti...
specific Embodiment approach 2
[0025] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the size of the lump corncobs in step 1 is 0.5-2 cm. Other steps and parameters are the same as those in Embodiment 1.
specific Embodiment approach 3
[0026] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the time for magnetic stirring in Step 2 is 5-10 minutes. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.
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