木质素基水凝胶的制备及其水中重金属离子去除机制进展  

Mechanism Study of Heavy Metal Removal From Water by Lignin-based Hydrogel

作　　者：王雅 朱飞宇 李启兰 杨占金[1] 杨方源 蒋中英 WANG Ya;ZHU Fei-yu;LI Qi-lan;YANG Zhan-jin;YANG Fang-yuan;JIANG Zhong-ying(College of Mathematics and Science,Xinjiang Agricultural University,Urumqi 830000,China;College of Network Information,Yili Normal University,Yining 835000,China;University Key Laboratory of Micronanoelectric Sensing Technology and Biomimetic Devices,Yili Normal University,Yining 835000,China)

机构地区：[1]新疆农业大学数理学院,新疆乌鲁木齐830000 [2]伊犁师范大学网络安全与信息技术学院,新疆伊宁835000 [3]伊犁师范大学微纳电传感技术与仿生器械校级重点实验室,新疆伊宁835000

出　　处：《化学试剂》2024年第8期42-49,共8页Chemical Reagents

基　　金：新疆维吾尔自治区自然科学基金资助项目(2022D01B202);新疆水利工程安全水防灾防治重点实验室2022开放学科项目(ZDSYS-JS-2022-13)。

摘　　要：木质素基水凝胶是一种新型的吸附材料,具有良好的除重金属离子能力,可以解决生物质附加利用值高值化问题。综述了近年来有关木质素基水凝胶去除废水中重金属离子机制的研究进展。首先介绍了木质素基水凝胶的制备方法和结构特点,之后系统地总结了多种因素对其去除重金属离子吸附能力的影响,例如pH值、离子强度、吸附时间、吸附剂用量等。此外,详细讨论了木质素基水凝胶去除废水中重金属离子的机制,例如表面化学吸附、配位作用和离子交换等机制。最后,探讨了木质素基水凝胶在实际应用中的前景和挑战,并指出未来的研究方向。Lignin-based hydrogel is a new type of adsorbent material with good ability to remove heavy metal ions,which can solve the high value of additional utilization of biomass.The research progress in recent years about the mechanism of lignin-based hydrogel to remove heavy metal ions from wastewater is summarized.Firstly,the preparation method and structural characteristics of lignin-based hydrogels were introduced,followed by a systematic summary of the effects of various factors on their adsorption ability to remove heavy metal ions,such as pH value,ionic strength,adsorption time,and adsorbent dosage.In addition,the mechanism of lignin-based hydrogels for removing heavy metal ions from wastewater,such as surface chemical adsorption,ligand interaction and ion exchange,was discussed in detail.Finally,the prospects and challenges of lignin-based hydrogels in practical applications are discussed,and future research directions are indicated.

关 键 词：木质素基水凝胶 废水 重金属离子 吸附 去除 

分 类 号：O6-1[理学—化学]