Min Yang: The Science in Drinking Water

Many secrets of ‘good water’ are hidden in everyday life. Did you know how ancient people discerned water quality at a glance? Do you know how modern water treatment plants turn turbid raw water into safe drinking water? From the Qingcaosha Reservoir to the South-to-North Water Diversion Project, from the century-old legend of chlorination to the latest technologies like nano-flocculation, ozone-activated carbon, and ultrafiltration membranes—every drop of water undergoes layers of scientific and engineering protection.

Cyanobacteria

MIB

Reservoir

Authors

Min Yang

Chinese Academy of Sciences Open Course

Published

Aug 1, 2025

Introduction

Many secrets of “good water” are hidden in everyday life. Did you know how ancient people discerned water quality at a glance? Do you know how modern water treatment plants turn turbid raw water into safe drinking water? From the Qingcaosha Reservoir to the South-to-North Water Diversion Project, from the century-old legend of chlorination to the latest technologies like nano-flocculation, ozone-activated carbon, and ultrafiltration membranes—every drop of water undergoes layers of scientific and engineering protection.

Source: kepu.net.cn

---
title: "Min Yang: The Science in Drinking Water"  
date: 2025-08-01  
lang: en  
author:  
  - Min  Yang
  - Chinese Academy of Sciences Open Course  
categories:  
  - Cyanobacteria  
  - MIB  
  - Reservoir  
description: "Many secrets of 'good water' are hidden in everyday life. Did you know how ancient people discerned water quality at a glance? Do you know how modern water treatment plants turn turbid raw water into safe drinking water? From the Qingcaosha Reservoir to the South-to-North Water Diversion Project, from the century-old legend of chlorination to the latest technologies like nano-flocculation, ozone-activated carbon, and ultrafiltration membranes—every drop of water undergoes layers of scientific and engineering protection."  
---  

# Introduction  

Many secrets of "good water" are hidden in everyday life. Did you know how ancient people discerned water quality at a glance? Do you know how modern water treatment plants turn turbid raw water into safe drinking water? From the Qingcaosha Reservoir to the South-to-North Water Diversion Project, from the century-old legend of chlorination to the latest technologies like nano-flocculation, ozone-activated carbon, and ultrafiltration membranes—every drop of water undergoes layers of scientific and engineering protection.

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[Source: kepu.net.cn](https://kepu.net.cn/openclass/lesson/qb/202507/t20250730_647019.html)