A kind of bamboo charcoal montmorillonite composite adsorbent and preparation method thereof
A composite adsorption and montmorillonite technology, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve problems affecting the growth of aquatic organisms and microorganisms, threats to human health in the environment, and high chroma in printing and dyeing wastewater , to achieve the effects of low cost, excellent adsorption performance and simple preparation process
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Embodiment 1
[0027] Weigh 10g of calcium-based montmorillonite (produced by Zhejiang Changan Renheng Technology Co., Ltd.), and add 90g of distilled water to make a 10% montmorillonite solution; another 85% phosphoric acid solution (phosphoric acid mass 10g) is added to the above solution, and stirred at 85°C for 4 hours, and finally, the resulting product was dried at 100°C for 5 hours to obtain acid-modified montmorillonite, which was ground for later use;
[0028] Accurately weigh 0.5 g of commercially available bamboo cellulose, 0.25 g of acid-modified montmorillonite, and 7.0 g of deionized water, and place them in a reaction kettle lined with polytetrafluoroethylene, and place the reaction kettle in a rotary oven. Rotate and stir at 200°C for 4 hours. Finally, the product is centrifuged to obtain a solid adsorbent, and the SEM image of the product is as follows figure 1 shown.
Embodiment 2
[0030] The preparation method of the adsorbent is the same as in Example 1, and the reaction temperature of the bamboo cellulose and the acid-modified montmorillonite is adjusted to 150°C. The SEM picture of the product is as follows figure 2 shown.
Embodiment 3
[0032] The preparation method of the adsorbent is the same as in Example 1, and the reaction temperature of the bamboo cellulose and the acid-modified montmorillonite is adjusted to 200°C. The SEM picture of the product is as follows image 3 shown.
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Abstract
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