随着社会的高速发展,污染日益严重,废水处理已经成为重要的环境问题。研究人员已经研究了大量的方法来处理污水和工业废水,使用廉价、可生物降解和环境稳定的吸附剂进行表面吸附被视为一种有效且具有成本效益的方法,海藻酸钠就是吸附剂之一,但由于海藻酸钠存在机械强度和稳定性低等问题,目前在工业中并没有大规模应用。本文介绍了海藻酸钠的性质,从碳材料、金属及金属氧化物、有机物等方面综述了多种海藻酸钠吸附材料的制备,总结了海藻酸钠及其衍生材料吸附废水中重金属离子以及有机污染物的研究进展,并提出了需要解决的若干问题,在后续研究中若能结合材料环境科学制备出性能稳定、吸附容量大的海藻酸钠复合材料,对于提升海藻酸钠的工业价值具有重要意义。
With the rapid development of society and increasingly serious pollution, wastewater treatment has become an important environmental problem. Researchers have studied a large number of methods to treat sewage and industrial wastewater. The use of cheap, biodegradable and environmentally stable adsorbents for surface adsorption is considered an effective and cost-effective method. Sodium alginate is the adsorbent One, but due to the low mechanical strength and stability of sodium alginate, it has not been widely used in industry at present. This article introduces the properties of sodium alginate, summarizes the preparation of a variety of sodium alginate adsorption materials from carbon materials, metals and metal oxides, organics, etc., summarizes the adsorption of heavy metal ions and organic substances in wastewater by sodium alginate and its derivatives. The research progress of pollutants has put forward several problems that need to be solved. In the follow-up research, it is important to improve the industrial value of sodium alginate if the sodium alginate composite material with stable performance and large adsorption capacity can be prepared in combination with material environmental science significance.
海藻酸钠,吸附,重金属离子,染料废水, Sodium Alginate Adsorption Heavy Metal Ions Dye Wastewater摘要
With the rapid development of society and increasingly serious pollution, wastewater treatment has become an important environmental problem. Researchers have studied a large number of methods to treat sewage and industrial wastewater. The use of cheap, biodegradable and environmentally stable adsorbents for surface adsorption is considered an effective and cost-effective method. Sodium alginate is the adsorbent One, but due to the low mechanical strength and stability of sodium alginate, it has not been widely used in industry at present. This article introduces the properties of sodium alginate, summarizes the preparation of a variety of sodium alginate adsorption materials from carbon materials, metals and metal oxides, organics, etc., summarizes the adsorption of heavy metal ions and organic substances in wastewater by sodium alginate and its derivatives. The research progress of pollutants has put forward several problems that need to be solved. In the follow-up research, it is important to improve the industrial value of sodium alginate if the sodium alginate composite material with stable performance and large adsorption capacity can be prepared in combination with material environmental science significance.
Keywords:Sodium Alginate, Adsorption, Heavy Metal Ions, Dye Wastewater
孙 爽,周 兴,王国袖,田叶顺,王文龙,宋占龙,赵希强. 海藻酸钠及其衍生材料处理废水的研究进展Research Progress Sodium Alginate Gel and Its Derived Materials in Wastewater Treatment[J]. 分析化学进展, 2021, 11(01): 16-27. https://doi.org/10.12677/AAC.2021.111002
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