基于Visual MINTEQ软件计算水环境中沉淀反应  

Precipitation Calculation in Aqueous Environment Using Visual MINTEQ Software

作　　者：顾雪元[1,2,3] 万海勤[1,2,3] 艾弗逊[1,2,3] GU Xueyuan;WAN Haiqin;AI Fuxun(State Experimental Teaching Demonstration Center for Environmental Science and Engineering,Nanjing University,Nanjing 210023,China;State Key Laboratory of Pollution Control and Resource Reuse,Nanjing University,Nanjing 210023,China;School of Environment,Nanjing University,Nanjing 210023,China)

机构地区：[1]南京大学环境科学与工程国家级实验教学示范中心,南京210023 [2]南京大学污染控制与资源化国家重点实验室,南京210023 [3]南京大学环境学院,南京210023

出　　处：《实验室研究与探索》2023年第1期105-108,共4页Research and Exploration In Laboratory

基　　金：国家自然科学基金面上项目(42177188,21876080)。

摘　　要：在环境化学教学过程中,水环境化学中的沉淀-溶解计算是教学过程中的难点和重点。围绕采用地球化学平衡计算软件Visual MINTEQ计算相关沉淀的方法,介绍了在软件数据库中添加新沉淀相方法,举例说明单一和混合沉淀条件下沉淀生成计算方法以及含有沉淀相的lg C-pH图绘制方法。通过该软件的学习,不仅可提高学生计算效率和准确度,还可增加学生的学习兴趣,加深对水化学相关知识的理解。In the process of teaching environmental chemistry,precipitation-dissolution calculation in aqueous environment is one of most difficult and important parts.This paper presents a method for carrying out relevant precipitation calculations using the geochemical equilibrium software visual MINTEQ.First,we introduce the method of adding a new precipitation phase to the software database,and give examples of calculating precipitation generation under single and mixed precipitation conditions,as well as the method of plotting lg C-pH diagrams containing precipitation phases.Learning this program not only helps students to improve calculation efficiency and accuracy,but also enhances their study interests and better understanding of related knowledge.

关 键 词：沉淀溶解 环境化学 实验设计 计算软件 

分 类 号：G642.0[文化科学—高等教育学] X13[文化科学—教育学]