Page 43 - 《精细化工》2023年第12期

第 12 期 冯 颖，等: 壳聚糖稳定纳米零价铁及衍生物在水处理中的应用 ·2585·

除率高达 99.02%以上。DIVYA 等 [59] 使用聚乙烯醇 [4] LIU J (刘静), GU T H (顾天航), WANG W (王伟), et al. Surface
与 CS-NZVI 结合制备了新型静电纺壳聚糖-PVA-纳 chemistry and crystalline phase transformation of nanosized zero-
valent iron in aqueous phase reaction[J]. Acta Chimica Sinica (化学
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果令人满意，吸附容量分别可达（200.0±10.0）和 [5] ZHAO X F (赵旭飞), WEI C J (魏才倢), ZHANG J (张瑾), et al.
Kinetic study on degradation of halogenated hydrocarbons in
（142.9±7.2） mg/g。 groundwater by zero-valent iron particles with different particle sizes
上述研究表明，复合改性 CS-NZVI 可以实现快 [J]. Acta Scientiarum Universitat Pekinensis (Natural Science) (北京
速分离，对该材料的继续开发利用具有很大的潜力。 大学学报: 自然科学版), 2018, 54(2): 435-442.
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3 结束语与展望 nano zero-valent iron[J]. China Water and Wastewater (中国给水排
水), 2020, 36(11): 57-62.
国家发展战略指出，“十四五”期间，污水处理 [7] YANG X D (杨晓丹), WANG Y R (王玉如), Li M R (李敏睿).
和资源化利用仍是有效缓解水资源供需矛盾，管控 Preparation, modification and removal of heavy metals and organic
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水环境污染的重要路径。而开发新型的绿色、低碳、 Chemical Industry Progress (化工进展), 2019, 38(7): 3412-3424.
可循环利用的吸附剂是实现这一目标的有效手段。 [8] HUANG D, REN Z Y, LI X Y, et al. Mechanism of stability and
transport of chitosan-stabilized nano zero-valent iron in saturated
本文所述壳聚糖稳定纳米零价铁具有显著的吸附效 porous media[J]. International Journal of Environmental Research
果和还原吸附能力，与壳聚糖相比具有还原性，能 and Public Health, 2021, 18(10): 1-16.
通过转换离子价态来降低其毒性，与单独的纳米零 [9] XU Y (徐妍), YUAN C G (苑春刚). Preparation, stabilization and
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能，深入研究壳聚糖稳定纳米零价铁及其衍生材料 [10] MINA K, MAHYAR M, ABBASALI Z, et al. A review on the use of
chitosan and chitosan derivatives as the bio-adsorbents for the water
具有重大意义。
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研究者对壳聚糖稳定纳米零价铁开展了大量研 Polymers, 2021, 273: 625-637.
究工作，包括对壳聚糖与纳米零价铁的最佳配比的 [11] FENG Y (冯颖), SHAO J (邵娟), LI Q X (李齐雪), et al. Research
progress on removal of metal ions by chitosan and its derivatives[J].
研究、对去除污染物的最佳 pH 的研究、对反应温 Fine Chemicals (精细化工), 2021, 38(10): 1971-1980.
度、初始浓度等最佳条件的研究等。进一步的工作 [12] KOLODZIEJSKA M, JANKOWSKA K, KLAK M, et al. Chitosan as
可以从以下几方面进行考虑：（1）对 CS-NZVI 的制 an underrated polymer in modern tissue engineering[J].
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备过程进行优化，选用来源广泛、绿色安全的还原 [13] OMER A M, DEY R, ELTAWEIL A S, et al. Insights into recent
剂或研发新型反应器实现快速高效制备。（2）对混 advances of chitosan-based adsorbents for sustainable removal of
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合体系中选择性吸附目标金属离子展开研究并将
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其应用于从复杂废水环境中回收金属的工艺之中。 [14] ARANAZ I, ALCANTARA A R, CIVERA M C, et al. Chitosan: An
（3）以提升 CS-NZVI 的吸附稳定性和吸附容量为 overview of its properties and applications[J]. Polymers, 2021,
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目的对其进行改性研究，得到在多种工况下都能保 [15] WANI T U, PANDITH A H, SHEIKH F A. Polyelectrolytic nature of
持高吸附率且能稳定存在和回收利用的吸附剂材 chitosan: Influence on physicochemical properties and synthesis of
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料。（4）使用 Materials Studio、Hyperchem、Materials
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的结构和吸附进行模拟研究，丰富对复合材料的研 adsorption and removal of heavy metals by chitosan and its
derivatives: A review[J]. Chemosphere, 2021, 279: 1-19.
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development in the application of chitosan-based materials for dye
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