本课题主要研究硅藻土过滤作为纯水制备的预处理工艺.课题分两个阶段完成,一是实验室阶段,二是生产性试验阶段.实验室阶段的试验表明:影响硅藻土过滤的主要因素是硅藻土的规格等级和预涂量以及不同品种的配比;附加剂的品种和投加量;过滤滤速和原水水质等. This project mainly focuses on diatomite filtration as a pretreatment process for the production of pure water. The project is completed in two stages. The first is the laboratory stage and the second is the productive stage. The laboratory stage tests show that the effect of diatomite filtration The main factors are the diatomite’s specification grade and pre-painting amount and the ratio of different varieties; the additive’s type and dosage; filtration rate and raw water quality.