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Pulsed-power water treatment is the process of using pulsed, electro-magnetic fields into cooling water to control scaling, biological growth, and corrosion. The process does not require the use of chemicals and helps eliminate environmental and health issues associated with the use and life-cycle management of chemicals used to treat water. [ 1 ]
Since these systems do not work by exchanging ions, like traditional water softeners do, one benefit claimed for the user is the elimination of the need to add salt to the system. Such systems do not remove minerals from the water itself. Rather, they can only alter the downstream effects that the mineral-bearing water would otherwise have.
The physical nature of the surface or its chemical makeup can be manipulated to create an inhospitable environment for micro-organisms. Photocatalytic materials have been used for their ability to kill many micro-organisms and therefore can be used for self-cleaning surfaces as well as air cleaning, water purification, and antitumor activity. [6]
The curve for E. coli is given in the figure, with the most effective UV light having a wavelength of 265 nm. This applies to most bacteria and does not change significantly for other microbes. Dosages for a 90% kill rate of most bacteria and viruses range between 2,000 and 8,000 μJ/cm 2.
People in the San Diego area were told to boil tap water and use bottled water for drinking and cooking after E. coli was detected in water at one local site.
Microorganisms growing on an agar plate. Sterilization (British English: sterilisation) refers to any process that removes, kills, or deactivates all forms of life (particularly microorganisms such as fungi, bacteria, spores, and unicellular eukaryotic organisms) and other biological agents (such as prions or viruses) present in fluid or on a specific surface or object. [1]
Does heat kill E. coli? Cooking all parts of a food to a temperature of about 160 degrees Fahrenheit usually kills any E. coli bacteria that may be present, according to the World Health ...
These disinfectants kill germs too, according to an expert. Nonetheless, if you can’t find Lysol at the store, Wuest said that most other antibacterial and antiseptic wipes contain the same mix ...
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