1) chlorination before filtration
滤前加氯
1.
Result shows that the increasement of nitrite nitrogen has close relations with chlorination before filtration, and it is more obvious in settling tank and filter.
分析了水厂净水过程中出水的亚硝酸盐氮的增高趋势,分析结果表明,亚硝酸盐氮的增高与滤前加氯关系密切,在沉淀池和滤池中更为明显,滤前投氯量在1。
2) pre-treatment chlorine adding
前加氯
1.
Taking into account the actual situation of the waterworks production,two suggestions were proposed for reducing the formation of trichloromethane one was optimizing the pre-treatment chlorine adding methed and selected a suitable point for chlorine adding;and the other one was improving the effic.
通过分析某水厂水处理过程各阶段水样中的三氯甲烷生成情况,讨论常规水处理对三氯甲烷生成的影响,并结合该厂的生产实际,提出水处理过程中降低三氯甲烷生成的建议:一是优化前加氯投加方式,选择合适的加氯点;二是提高原水浊度的去除率,减少消毒副产物的前驱物质。
3) chlorination
[英][klɔ:ri'neiʃn] [美][klorɪ'neʃn]
加氯
1.
The effects of thermal shock and chlorination on the recovery of chlorophyll a in seawater;
热冲击和加氯对海水中叶绿素a恢复的效应
2.
Based on existing problems in chlorine disinfection process,improvements were suggested from four aspects-setup of chlorination point,appropriately choice of chlorine dosage,mixing efficiency of chlorination,controlling measure of adding chlorine in order to enhance disinfection efficiency,reduce disinfection by-products and control production cost.
针对氯化消毒工艺现存的主要问题,分别从加氯点的设置、加氯量、加氯混合效果、加氯系统控制手段四个方面提出了改进措施,以达到提高消毒效率、减少氯消毒副产物、控制生产成本的目的。
4) Chlorine dosing
加氯
1.
Application of RSview configuration software in Chlorine dosing and Ammonia dosing syetems;
RSview组态软件在加氯和加氨系统中的应用
2.
Chlorine dosing in waterworks is the most crucial part.
在自来水生产过程中,加氯工艺是至关重要的一环。
3.
The aim of the chlorine dosing system is to make sure that the residual chlorine is qualified.
加氯环节是自来水生产过程中最为关键的一环。
5) adding chlorine
加氯
1.
The principle of adding chlorine and adding pharmaceutical is given on the basis of water Plant s craft.
根据水厂工艺流程,给出了加氯和加药控制原理。
6) adding medicine and chlorum
加药加氯
补充资料：多层滤料滤池
分子式：
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条