Stabilizer thickness profiles in polyethylene pipes transporting drinking water disinfected by bleach
Polyethylene connection pipes of wall thickness ranging from 3.0 to 4.5 mm, used for 0, 5, 9, 12, and 18 years in the French network of drinking water disinfected by bleach, have been analyzed. The stabilizer thickness profiles reveal that bleach destroys the stabilizer in a superficial layer of abo...
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| Veröffentlicht in: | Polymer engineering and science 2011-08, Vol.51 (8), p.1541-1549 |
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| creator | Colin, X. Verdu, J. Rabaud, B. |
| description | Polyethylene connection pipes of wall thickness ranging from 3.0 to 4.5 mm, used for 0, 5, 9, 12, and 18 years in the French network of drinking water disinfected by bleach, have been analyzed. The stabilizer thickness profiles reveal that bleach destroys the stabilizer in a superficial layer of about 0.5 mm depth at the water–polymer interface. In the rest of the wall, stabilizer is lost by physical processes, i.e., transport by diffusion into the bulk, extraction at the water–polymer interface, and evaporation at the polymer–air interface. The whole loss kinetics is governed by extraction and evaporation. The classical scheme for evaporation–diffusion process has been used to model physical loss processes, but with boundary conditions different from the literature ones. Concerning chemical aspects, some mechanisms proposed in the literature are criticized. The identification of the bleach reactive species remains an open question. POLYM. ENG. SCI., 2011. © 2011 Society of Plastics Engineers. |
| doi_str_mv | 10.1002/pen.21902 |
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The stabilizer thickness profiles reveal that bleach destroys the stabilizer in a superficial layer of about 0.5 mm depth at the water–polymer interface. In the rest of the wall, stabilizer is lost by physical processes, i.e., transport by diffusion into the bulk, extraction at the water–polymer interface, and evaporation at the polymer–air interface. The whole loss kinetics is governed by extraction and evaporation. The classical scheme for evaporation–diffusion process has been used to model physical loss processes, but with boundary conditions different from the literature ones. Concerning chemical aspects, some mechanisms proposed in the literature are criticized. The identification of the bleach reactive species remains an open question. POLYM. ENG. 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The stabilizer thickness profiles reveal that bleach destroys the stabilizer in a superficial layer of about 0.5 mm depth at the water–polymer interface. In the rest of the wall, stabilizer is lost by physical processes, i.e., transport by diffusion into the bulk, extraction at the water–polymer interface, and evaporation at the polymer–air interface. The whole loss kinetics is governed by extraction and evaporation. The classical scheme for evaporation–diffusion process has been used to model physical loss processes, but with boundary conditions different from the literature ones. Concerning chemical aspects, some mechanisms proposed in the literature are criticized. The identification of the bleach reactive species remains an open question. POLYM. ENG. SCI., 2011. © 2011 Society of Plastics Engineers.</description><subject>Applied sciences</subject><subject>Buildings. Public works</subject><subject>Chemical Sciences</subject><subject>Distribution</subject><subject>Drinking water</subject><subject>Engineering Sciences</subject><subject>Equipment and supplies</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Infection control</subject><subject>Materials</subject><subject>Methods</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Sewerage. Sewer construction</subject><subject>Technology of polymers</subject><subject>Tubes</subject><subject>Water</subject><issn>0032-3888</issn><issn>1548-2634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNp1klFv0zAUhS0EEqXwwD-IhHiYRDrHdhLnsZpGO6kaEwP2aDnOTWKaOpHtMbJfP5eMikpFfrB19Z0j33MvQu8TvEgwJucDmAVJCkxeoFmSMh6TjLKXaIYxJTHlnL9Gb5z7iQNL02KG4NbLUnf6EWzkW622BpyLBtvXugMXaRMNfTeCb8cODESDHkLVW2nc0FuvTRNVVpvt_vEgfTCptNOmBuWhisoxKjuQqn2LXtWyc_Du-Z6j758vv12s482X1dXFchOrlBMS8xIIhoIrWlMGJM1xCXlNZFJSQlmhigrzipYYVzTLeQaUVJIzUmXAOFNK0jk6m3xb2YnB6p20o-ilFuvlRuxrmJCioDT5lQT2w8Q2sgMR_tyHttROOyWWIbTgnwZyjuITVBOysLLrDexjOuYXJ_hwKthpdVJwdiQIjIffvpH3zomr26_H7Kd_2PI-JB2mpY3TTevdJDllrWzvnIX6EEmCxX5bRNgW8WdbAvtxYgfplOzqMGGl3UFAGEt5krHAnU_cQ-hj_L-huLm8_uv8nKB2obGDQtqtyHKap-LueiVWRb6-KX7cCUyfABMC20E</recordid><startdate>201108</startdate><enddate>201108</enddate><creator>Colin, X.</creator><creator>Verdu, J.</creator><creator>Rabaud, B.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><general>Society of Plastics Engineers, Inc</general><general>Wiley-Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><scope>ISR</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>201108</creationdate><title>Stabilizer thickness profiles in polyethylene pipes transporting drinking water disinfected by bleach</title><author>Colin, X. ; Verdu, J. ; Rabaud, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5822-8be20e98c3f34e2570be7f2a1b32349c9d08d3b00d36786e32da842d6e484cca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied sciences</topic><topic>Buildings. Public works</topic><topic>Chemical Sciences</topic><topic>Distribution</topic><topic>Drinking water</topic><topic>Engineering Sciences</topic><topic>Equipment and supplies</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Infection control</topic><topic>Materials</topic><topic>Methods</topic><topic>Polymer industry, paints, wood</topic><topic>Polymers</topic><topic>Sewerage. Sewer construction</topic><topic>Technology of polymers</topic><topic>Tubes</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Colin, X.</creatorcontrib><creatorcontrib>Verdu, J.</creatorcontrib><creatorcontrib>Rabaud, B.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><collection>Gale In Context: Science</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Polymer engineering and science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Colin, X.</au><au>Verdu, J.</au><au>Rabaud, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stabilizer thickness profiles in polyethylene pipes transporting drinking water disinfected by bleach</atitle><jtitle>Polymer engineering and science</jtitle><addtitle>Polym Eng Sci</addtitle><date>2011-08</date><risdate>2011</risdate><volume>51</volume><issue>8</issue><spage>1541</spage><epage>1549</epage><pages>1541-1549</pages><issn>0032-3888</issn><eissn>1548-2634</eissn><coden>PYESAZ</coden><abstract>Polyethylene connection pipes of wall thickness ranging from 3.0 to 4.5 mm, used for 0, 5, 9, 12, and 18 years in the French network of drinking water disinfected by bleach, have been analyzed. 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| subjects | Applied sciences Buildings. Public works Chemical Sciences Distribution Drinking water Engineering Sciences Equipment and supplies Exact sciences and technology Forms of application and semi-finished materials Infection control Materials Methods Polymer industry, paints, wood Polymers Sewerage. Sewer construction Technology of polymers Tubes Water |
| title | Stabilizer thickness profiles in polyethylene pipes transporting drinking water disinfected by bleach |
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