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Water Sanitation
PROJECTS - WATER SANITATION
ELECTROLYSIS CAN BE USED AS AN EFFICIENT WATER DISINFECTANT.
Electrolysed water (electrolyzed water, EOW, ECA, electrolyzed oxidizing water, electro-activated water or electro-chemically activated water solution) is produced by the electrolysis of ordinary tap water containing dissolved sodium chloride.[1] The electrolysis of such salt solutions produces a solution of hypochlorous acid and sodium hydroxide. The resulting water is a known cleanser and disinfectant / sanitizer. EOW will kill spores and many viruses and bacteria.[2]
Both sodium hydroxide and hypochlorous acid are efficient disinfecting agents;[1][3] as mentioned above, the key to effective sanitation is to have a high proportion of hypochlorous acid present, this happens between acidic and neutral pH conditions.[2]
Electrolysis units sold for industrial and institutional disinfectant use and for municipal water-treatment are known as chlorine generators.[4] These avoid the need to ship and store chlorine, as well as the weight penalty of shipping prepared chlorine solutions. In March, 2016 inexpensive units have become available for home or small business users.
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1. Dickerson, Marla (2009-02-23). "Simple elixir called a 'miracle liquid'". Los Angeles Times.
2. Huang, Yu-Ru; Yen-Con Hung; Shun-Yao Hsu; Yao-Wen Huang; Deng-Fwu Hwang (April 2008). "Application of electrolyzed water in the food industry". Food Control. 19 (4): 329–345. doi:10.1016/j.foodcont.2007.08.012. ISSN 0956-7135.
3. Electrolyzed water effective as chemical cleaner, study finds, by Ahmed ElAmin, 2006
4. "Inherently Safer Water Purification": Chemical & Engineering News 2007 87(06) pp 22–23
Both sodium hydroxide and hypochlorous acid are efficient disinfecting agents;[1][3] as mentioned above, the key to effective sanitation is to have a high proportion of hypochlorous acid present, this happens between acidic and neutral pH conditions.[2]
Electrolysis units sold for industrial and institutional disinfectant use and for municipal water-treatment are known as chlorine generators.[4] These avoid the need to ship and store chlorine, as well as the weight penalty of shipping prepared chlorine solutions. In March, 2016 inexpensive units have become available for home or small business users.
1. Dickerson, Marla (2009-02-23). "Simple elixir called a 'miracle liquid'". Los Angeles Times.
2. Huang, Yu-Ru; Yen-Con Hung; Shun-Yao Hsu; Yao-Wen Huang; Deng-Fwu Hwang (April 2008). "Application of electrolyzed water in the food industry". Food Control. 19 (4): 329–345. doi:10.1016/j.foodcont.2007.08.012. ISSN 0956-7135.
3. Electrolyzed water effective as chemical cleaner, study finds, by Ahmed ElAmin, 2006
4. "Inherently Safer Water Purification": Chemical & Engineering News 2007 87(06) pp 22–23
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