阅读说明：本技术 一种由碳氮基光催化剂包覆的活性炭复合材料的制备方法 (Preparation method of activated carbon composite material coated by carbon-nitrogen-based photocatalyst ) 是由 余岩 严佳雯 胡邦炯 余梦丹 葛北骁 徐辰仪 杨焘键 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种由碳氮基光催化剂包覆的活性炭复合材料的制备方法,包括：1)CTF的制备；2)g-C-(3)N-(4)/CTF的制备；3)碳氮基光催化剂包覆活性炭的制备：取活性炭于水中吸水饱和；取聚乙烯醇于热水中加热溶解,冷却后稀释得2%的聚乙烯醇溶液；将饱和后的活性炭倒入2%的聚乙烯醇溶液中,加入g-C-(3)N-(4)/CTF光催化剂,得混合料；混合料于烘箱加热,得包覆g-C-(3)N-(4)/CTF薄膜的活性炭复合材料。本发明方法基于价廉易得的活性炭吸附剂与碳氮基光催化材料构建吸附-光催化双功能的复合材料,在提高饮用水中抗生素的去除效率的同时解决了活性炭再生成本高的问题,实现饮用水中低浓度抗生素彻底、高效、低能耗的去除。(The invention discloses a preparation method of an activated carbon composite material coated by a carbon-nitrogen-based photocatalyst, which comprises the following steps: 1) preparing CTF; 2) g-C 3 N 4 Preparation of/CTF; 3) carbon-nitrogen base photocatalyst coated active carbonThe preparation of (1): taking activated carbon to absorb water in water to saturate; heating polyvinyl alcohol in hot water for dissolving, cooling and diluting to obtain 2% polyvinyl alcohol solution; pouring the saturated activated carbon into 2% polyvinyl alcohol solution, adding g-C 3 N 4 the/CTF photocatalyst is used for obtaining a mixture; heating the mixture in a drying oven to obtain coated g-C 3 N 4 An activated carbon composite material of a/CTF film. The method of the invention constructs the adsorption-photocatalysis composite material based on the cheap and easily available active carbon adsorbent and the carbon-nitrogen-based photocatalysis material, improves the removal efficiency of the antibiotics in the drinking water, solves the problem of high regeneration cost of the active carbon, and realizes the thorough, efficient and low-energy consumption removal of the low-concentration antibiotics in the drinking water.)