Abstract also promote the harmonious coexistence between man and nature Following the idea of "finding problems, analyzing problems and solving problems", this paper optimizes the process of the dosing system of the thickening tank in the sludge treatment system of the water plant, so as to achieve the purpose of saving energy and reducing emissions, reducing cost and increasing efficiency, and improving enterprise benefits. Key words： Process improvement；Teaching Management；Teaching Management Process； Dosing system； Private colleges II 目录 1 绪论 .............. 1 1.1 研究背景及意义 ................ 1 1.1.1 研究背景 ............... 1 1.1.2 研究意义 ............... 2 1.2 国内、外研究状况 ............ 2 1.2.1 污水处理国外研究状况 ............ 2 1.2.2 加氯控制技术国内外现状 ........ 3 1.3 研究内容与方法 ................ 4 1.3.1 研究内容 ............... 4 1.3.2 本文框架 ............... 6 1.3.3 研究方法 ............... 6 2 业务流程优化(BPI)理论基础 .............. 7 2.1 流程相关理论 ............. 7 2.1.1 流程的概念 ........... 7 2.1.2 流程的分类 ...........