Open AccessBACTERICIDAL ACTION OF WATER TREATED BY ULTRA VIOLET RAYS
Author(s) -
Woolf Walker,
R. W. Pryer
Publication year - 1921
Publication title -
american journal of public health
Language(s) - English
Resource type - Journals
eISSN - 2330-9687
pISSN - 0271-4353
DOI - 10.2105/ajph.11.8.703
Subject(s) - sterilization (economics) , water disinfection , ultra violet , bacteria , water source , fresh water , toxicology , environmental science , biology , environmental engineering , materials science , business , water resource management , optoelectronics , finance , exchange rate , foreign exchange market , genetics
Ultra violet ray sterilization of water acts in an unusual manner. Exposure to the rays not only kills bacteria then present in the water, but more than this, there is imparted to the water a potential sterilizing power which kills bacteria subsequently added to the water.