Disinfection of Water by N-Halamine Biocidal Polymers
N-chlorinated (Poly-I) and N-brominated (Poly-IB) derivatives of a polystyrene hydantoin were evaluated for their performance as filters for pumped aqueous solutions of Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli and Candida albicans with a contact period of the order of 1-2 seco...
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| Veröffentlicht in: | Industrial & engineering chemistry research 1995-11, Vol.34 (11), p.4106-4109 |
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| container_issue | 11 |
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| container_title | Industrial & engineering chemistry research |
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| creator | Sun, Gang Allen, Leslie C Luckie, E. Paige Wheatley, Walter B Worley, S. Davis |
| description | N-chlorinated (Poly-I) and N-brominated (Poly-IB) derivatives of a polystyrene hydantoin were evaluated for their performance as filters for pumped aqueous solutions of Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli and Candida albicans with a contact period of the order of 1-2 seconds per ml. The investigation covered parameters such as pH, temperature, flow rate and dilution with inert sand. Small quantities of Poly-I and Poly-IB were effective at inactivating a range of micro-organisms, when used in a filter application. The 2 materials functioned adequately over the 4.5-9.5 pH range and at temperatures between 4C and 37C. Poly-IB appeared to be more effective than Poly-I, probably due to the fact that bromamines and free bromine are more biocidal than their chlorine counterparts. A feature of these polymers was that they could be regenerated by the use of rechlorination or rebromination. |
| doi_str_mv | 10.1021/ie00038a054 |
| format | Article |
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Paige ; Wheatley, Walter B ; Worley, S. Davis</creator><creatorcontrib>Sun, Gang ; Allen, Leslie C ; Luckie, E. Paige ; Wheatley, Walter B ; Worley, S. Davis</creatorcontrib><description>N-chlorinated (Poly-I) and N-brominated (Poly-IB) derivatives of a polystyrene hydantoin were evaluated for their performance as filters for pumped aqueous solutions of Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli and Candida albicans with a contact period of the order of 1-2 seconds per ml. The investigation covered parameters such as pH, temperature, flow rate and dilution with inert sand. Small quantities of Poly-I and Poly-IB were effective at inactivating a range of micro-organisms, when used in a filter application. The 2 materials functioned adequately over the 4.5-9.5 pH range and at temperatures between 4C and 37C. Poly-IB appeared to be more effective than Poly-I, probably due to the fact that bromamines and free bromine are more biocidal than their chlorine counterparts. A feature of these polymers was that they could be regenerated by the use of rechlorination or rebromination.</description><identifier>ISSN: 0888-5885</identifier><identifier>EISSN: 1520-5045</identifier><identifier>DOI: 10.1021/ie00038a054</identifier><identifier>CODEN: IECRED</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; Biological properties ; Drinking water and swimming-pool water. 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Poly-IB appeared to be more effective than Poly-I, probably due to the fact that bromamines and free bromine are more biocidal than their chlorine counterparts. A feature of these polymers was that they could be regenerated by the use of rechlorination or rebromination.</description><subject>Applied sciences</subject><subject>Biological properties</subject><subject>Drinking water and swimming-pool water. Desalination</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Pollution</subject><subject>Properties and characterization</subject><subject>Water treatment and pollution</subject><issn>0888-5885</issn><issn>1520-5045</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNpt0EFLwzAUB_AgCs7pyS_Qg-hBqkmTLMlRp3PCmEOngpfwmiaQ2bUz6cB9eysdw4Ond3i_9-fxR-iU4CuCM3LtLcaYSsCc7aEe4RlOOWZ8H_WwlDLlUvJDdBTjomWcM9ZD_M5HXzlrGl9XSe2Sd2hsSPJNMk3HUMLSVza59bXxBZTJrC43SxviMTpwUEZ7sp199Dq6nw_H6eTp4XF4M0mBKtGkuYICM0nyDBQmqsgEKRiThhEuOC-4lU64nNMio2QgFc2NUK5Q4FRu3MAw2kfnXe4q1F9rGxu99NHYsoTK1uuoCR0wRmnWwssOmlDHGKzTq-CXEDaaYP1bjf5TTavPtrEQDZQuQGV83J1kUgkuZMvSjvnY2O_dGsKnHggquJ7PXvRo_Izp23yqP1p_0XkwUS_qdajabv594AeEZX0z</recordid><startdate>19951101</startdate><enddate>19951101</enddate><creator>Sun, Gang</creator><creator>Allen, Leslie C</creator><creator>Luckie, E. 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Desalination</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Pollution</topic><topic>Properties and characterization</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Gang</creatorcontrib><creatorcontrib>Allen, Leslie C</creatorcontrib><creatorcontrib>Luckie, E. Paige</creatorcontrib><creatorcontrib>Wheatley, Walter B</creatorcontrib><creatorcontrib>Worley, S. Davis</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><jtitle>Industrial & engineering chemistry research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Gang</au><au>Allen, Leslie C</au><au>Luckie, E. Paige</au><au>Wheatley, Walter B</au><au>Worley, S. 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Small quantities of Poly-I and Poly-IB were effective at inactivating a range of micro-organisms, when used in a filter application. The 2 materials functioned adequately over the 4.5-9.5 pH range and at temperatures between 4C and 37C. Poly-IB appeared to be more effective than Poly-I, probably due to the fact that bromamines and free bromine are more biocidal than their chlorine counterparts. A feature of these polymers was that they could be regenerated by the use of rechlorination or rebromination.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ie00038a054</doi><tpages>4</tpages></addata></record> |
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| ispartof | Industrial & engineering chemistry research, 1995-11, Vol.34 (11), p.4106-4109 |
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| language | eng |
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| source | ACS Publications |
| subjects | Applied sciences Biological properties Drinking water and swimming-pool water. Desalination Exact sciences and technology Organic polymers Physicochemistry of polymers Pollution Properties and characterization Water treatment and pollution |
| title | Disinfection of Water by N-Halamine Biocidal Polymers |
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