邹家山矿床铀矿废水处理技术研究

发布时间：2018-05-17 00:06

本文选题：邹家山 + 含铀废水　；参考：《东华理工大学》2016年硕士论文

【摘要】：针对邹家山铀矿床开采过程中,矿山废水中悬浮物含量高,导致常规处理的离子吸附塔处理能力降低,反冲洗水中含铀量与悬浮物浓度高问题。本论文在对邹家山铀矿床矿井废水历年排放数据调查分析的基础上,根据中核集团“龙腾2020”科技创新计划“龙灿”示范工程科研专题——矿井水处理优化研究计划项目(项目编号:5.5K-131-1.2.2-*)开展研究工作。邹家山水样水质分析结果表明,含铀废水处理后铀浓度未超过铀矿冶行业0.3mg/L的排放标准,铀去除率达到93.7%,镭、钍等放射性核素处理后均可达标排放,反冲洗水悬浮物浓度超过100mg/L排放标准。通过研究邹家山矿井水处理设施现状,水质情况,确定矿井水处理设施运行中存在的问题,提出优化思路。絮凝沉淀法对废水中悬浮物优化处理试验表明,投加20mg/L聚合氯化铝和2mg/L阳离子型聚丙烯酰胺处理原水,浊度去除率达98.2%;加入20mg/L聚合氯化铝和1mg/L阳离子型聚丙烯酰胺处理反冲洗水,浊度去除率达到99.6%。当前完成试验确定了除浊工艺参数工作,下一步工作是针对矿井水处理设施中的离子交换设备、离子交换系统的设备结构及系统配置进行详细分析,查找制约其处理能力的主要因素,最终研发出经济、合理、高效的矿井水处理技术,研究成果可应用于其他类似矿山矿井水处理系统,实现矿井水悬浮物和铀达标排放,为相山铀矿基地生产和建设提供安全环保的技术基础。
[Abstract]:In the mining process of Zoujiashan uranium deposit, the high content of suspended solids in the waste water of the mine leads to the reduction of the treatment capacity of the conventional ion adsorption tower and the high concentration of uranium and suspended matter in the backwash water. Based on the investigation and analysis of mine wastewater discharge data of Zoujiashan uranium deposit in the past years, According to "Longteng 2020" Science and Technology Innovation Project "Longcan" demonstration Project of China Nuclear Power Group, the research project of optimization of mine water treatment (project No.: 5.5K-131-1.2.2-) was carried out. The analysis of the water quality in Zoujiashan shows that the uranium concentration of the waste water treated with uranium does not exceed the 0.3mg/L discharge standard of uranium mining and metallurgy industry, and the removal rate of uranium reaches 93.7, radium, thorium and other radionuclides can be discharged up to the standard. The concentration of suspended matter in backwash water exceeds 100mg/L discharge standard. By studying the present situation and water quality of Zoujiashan mine water treatment facilities, the problems existing in the operation of the mine water treatment facilities are determined, and the optimization ideas are put forward. The optimum treatment of suspended matter in wastewater by flocculation precipitation method showed that the raw water was treated with 20mg/L polyaluminum chloride and 2mg/L cationic polyacrylamide. The turbidity removal rate was 98.2 and the turbidity removal rate was 99.6 when 20mg/L polyaluminium chloride and 1mg/L cationic polyacrylamide were added to treat backwash water. At present, the experimental work has been completed to determine the technical parameters of turbidity removal. The next step is to analyze in detail the ion-exchange equipment in mine water treatment facilities, the equipment structure and system configuration of the ion-exchange system. Find out the main factors that restrict its treatment ability, and finally develop the economical, reasonable and efficient mine water treatment technology. The research results can be applied to other similar mine water treatment systems to realize the mine water suspended matter and uranium discharge up to standard. For Xiangshan uranium mine base production and construction to provide a safe and environmental protection technical basis.
【学位授予单位】：东华理工大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：X753

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