吸附法在废水处理领域占据重要地位,开发环境友好、成本低廉且吸附效果好的吸附材料是吸附分离技术未来重要的发展方向。汉麻杆作为农业固体废弃物,含有大量的纤维素、半纤维素及木质素,拥有丰富的活性官能团,同时具有天然纳米级孔隙结构,是制备高性能吸附剂理想的生物质材料。综述了近年来国内外以汉麻杆为原料制备吸附材料的化学改性方法、活性原理及特点,总结了汉麻杆基吸附材料在气体吸附、废水处理中的应用,并对其未来的发展方向进行了展望。
Adsorption method plays a vital role in the field of wastewater treatment,and the development of environmentally friendly,low-cost,and effective adsorption materials is an important direction in the future.Hemp stems,as an agricultural solid waste,contain a large amount of cellulose,hemicellulose,lignin,abundant active functional groups,and natural nanoscale pore structure,making them an ideal biomass material for preparing high-performance adsorbents.This article reviewed the chemical modification methods,activating principles,and characteristics of preparing adsorption materials from hemp stems at home and abroad in recent years,summarized their applications in gas adsorption and wastewater treatment,and looked forward to their future development directions.
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基金资助
黑龙江省自然科学基金资助项目(LH2024B028)
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