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| 生物炭基复合水凝胶的制备及应用研究进展 |
| Research Progress on the Preparation and Application of Biochar-based Composite Hydrogels |
| 收稿日期：2023-12-19 |
| DOI：10.11980/j.issn.0254-508X.2024.05.004 |
| 关键词: 生物炭 复合水凝胶 环境修复 吸附重金属 污水处理 |
| Key Words:biochar composite hydrogel environmental restoration adsorption towards heavy metals sewage treatment |
| 基金项目:国家烟草专卖局重大专项（110202201041（XJ-12））；湖北中烟工业有限责任公司科技项目（2023JSYL4SX1B004，2021JSYL4SX1C008）。 |
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| 摘要:生物炭基复合水凝胶具有优异的理化性质，近年来在诸多领域有所研究并得到应用。本文综述了生物炭基复合水凝胶的制备方法，如物理交联法和化学交联法；总结了生物炭基复合水凝胶在去除水体污染物、土壤改良、作物增产、缓释肥料和缓解植物重金属胁迫方面的应用，阐明了相关应用机制及作用机理；在此基础上，展望了生物炭基复合水凝胶未来的研究方向，分析了生物炭基复合水凝胶在应用中存在的问题和潜在的风险，并提出了相应建议。 |
| Abstract:Biochar-based composite hydrogel has excellent physicochemical properties. Thus it has been studied and applied in many fields in recent years. In this paper， the preparation methods of biochar-based composite hydrogels were reviewed， such as physical cross-linking method and chemical cross-linking method. The applications of biochar-based composite hydrogels in removing pollutants in water， soil improvement， increasing crop yield， slow-releasing fertilizer and alleviating plant heavy metal stress were summarized， and the application mechanism and action mechanism were expounded. On this basis， the future research direction of biochar-based composite hydrogels was prospected， the existing problems and potential risks in the application of biochar-based composite hydrogels were analyzed， and the corresponding suggestions were put forward. |
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