絮凝剂处理水的研究进展毕业论文.doc

 本 科 毕 业 论 文 题 目 絮凝剂处理废水的研究进展 学 院 城乡建设学院 专 业 环境工程 学生姓名 学 号 年级 指导教师 职称 絮凝剂处理废水的研究进展 摘要：在污水处理领域中，絮凝沉淀法是应用最普遍且成本较低的处理工艺。絮凝剂是该工艺的核心部分，可以用来降低水的色度、浊度等感观指标去除多种有机物、重金属和固体悬浮颗粒可以自成系统独立进行水处理可以与其它处理方式进行组合。其各种絮凝剂絮凝剂处理废水处理效果 关键字：絮凝剂；处理废水；效果 Advances in Research on Wastewater Treatment by Flocculation Abstract：In the waste water treatment field, locculating sedimentation is the most common-used and low-cost application with flocculant as its central part, and flocculant can not only be used to reduce sensory indexes of water such as?shade and turbidity and to remove many organic matters, heavy metal particles and solid suspended particles, but also can become a system itself and do some treatment with others,So the flocculant has an advantage over other measures because its simple-operated, low costtreatment with others , low cost and green with high-efficiency.This paper discussed the current situation of flocculant research,and analyzed the molecular structure, physical and chemical properties and flocculating mechanism of every kind flocculant, and comparesmolecular structure,physical and chemical properties and flocculating mechanism of every kind flocculant, and compares .The author also analyzed flocculants processing effect on printing,dyeing and the wastewater in heavy metal processing.The author also analyzed?the existing problems in wastewater treatment process and puts forward many measures for the wastewater treatment to the existing problems in wastewater treatment process and puts forward many measures for the wastewater treatment to?provide basis for the research of high-efficiency and low-cost new flocculation agent.provide basis for the research of high-efficiency and low-cost new flocculation agent. Keywords: Flocculent; Wastewater treatment; Effect; Measures 目 录 绪论……………………………………………………………………………….…………………………1 1 研究背景……………………………………………………………………………………………