The presence and possible sources of several off-odorants as well as various treatment schemes to remove them from drinking water are discussed. The effects of these treatment techniques on THM levels in the distribution system are also examined....
drinking water. Furthermore, water treated with chloramine lacks the distinct chlorine odour of the gaseous treatment and so has improved taste. Chloramine in tap water gives a greenish cast to the water in bulk, versus the normally bluish cast to pure water. Tip - This greenish colour may...
1.An unstable colorless liquid, NH2Cl, used in making hydrazine and as a chlorine source for water treatment. 2.Any of several aromatic sulfonamide salts containing chlorine, used medicinally as antiseptics. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016...
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The decrease in pH is mainly due to the hole oxidation of H2O and chloride ions resulting in the production of hydrogen ions and free chlorine species (FCS) (Supplementary Fig. 31)35. This suggests that our system has the ability to autonomously regulate the pH to create conditions favoring ...
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Drinking water distribution systems (DWDSs) are complex ecosystems where microorganisms can actively grow and reproduce. In fact, several studies have shown that the bacterial composition within drinking water (DW) samples are highly diverse1,2, with total cell concentrations that typically range from...
The treatment of secondary sewage containing nutrients with a tertiary process is being mandated in many areas. The presence of nitrogen and phosphorus in secondary sewage can be significantly detrimental, leading to increased chlorine demand, conversion of ammonia into nitrates, and stimulation of algae...
versus oligopeptides Wenhai Chu1, Xin Li1, Naiyun Gao1, Yang Deng2, Daqiang Yin1, Dongmei Li1 & Tengfei Chu1 Haloacetamides (HAcAms), an emerging class of nitrogenous disinfection by-products (N-DBPs) of health concern, have been frequently identified in drinking waters. ...
chen_water@tsinghua.edu.cn 单位: 清华大学环境学院饮用水安全教研所 清华苏州环境创新研究院 教育背景2002.9-2005.7 清华大学 市政工程 博士 1999.9-2002.3 山东大学 环境工程 硕士 1995.9-1999.7 山东工业大学 环境工程 学士 工作履历2007.12-今 清华大学环境学院 教师、博导、所长、党委委员 ...