1. 毕业设计（论文）的内容和要求

本课题研究土壤对重金属Cd2 的直接吸附特性，包括静态吸附的动力学和热力学，以及pH和温度及重金属浓度，腐殖酸含量等因素对其吸附解析的影响，结合电镜扫描、红外光谱和XRD等表征分析手段对其机理进行探讨，明确实验土样对镉离子的吸附机理，建立黑腐酸改性理论，揭示其对重金属污染治理的机理。

2. 参考文献

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3. 毕业设计（论文）进程安排

2019.02-2019.03 学习理论知识 汇报、组会 2019.03-2019.04 开题、文献阅读 开题报告 2019.04-2019.05 做实验改进方案 周一汇报、组会 2019.05-2019.06 数据处理，写毕业论文