Effective control of microbial populations in polysulfone ultrafiltration membrane systems
Sanitizers currently used in the food industry are not efficient in destroying bacterial populations in polysulfone UF membrane systems. A new sanitizer composition that releases chlorous acid and chlorine dioxide from sodium chlorite at pH 2.7 was evaluated. Polysulfone UF membranes were soiled for...
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| Veröffentlicht in: | Journal of dairy science 1990-09, Vol.73 (9), p.2309-2317 |
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| container_title | Journal of dairy science |
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| creator | Bohner, H.F. (University of Wisconsin, Madison) Bradley, R.L |
| description | Sanitizers currently used in the food industry are not efficient in destroying bacterial populations in polysulfone UF membrane systems. A new sanitizer composition that releases chlorous acid and chlorine dioxide from sodium chlorite at pH 2.7 was evaluated. Polysulfone UF membranes were soiled for 2.5 h by circulating and concentrating Cheddar cheese whey and skim milk. A cleaning regimen was established whereby acid and caustic cleaning solutions were circulated to clean the UF membrane system. Restoring permeate flux to initial values did not indicate that the system was effectively cleaned. The UF system was sanitized by recycling sanitizer solutions. Stainless steel and membrane surfaces were examined by swabbing to determine bacterial populations and sections of membranes were removed for examination using a scanning electron microscope. The new sanitizer appeared to control microbial populations effectively in UF membrane systems. |
| doi_str_mv | 10.3168/jds.S0022-0302(90)78912-6 |
| format | Article |
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Stainless steel and membrane surfaces were examined by swabbing to determine bacterial populations and sections of membranes were removed for examination using a scanning electron microscope. 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(University of Wisconsin, Madison)</creatorcontrib><creatorcontrib>Bradley, R.L</creatorcontrib><title>Effective control of microbial populations in polysulfone ultrafiltration membrane systems</title><title>Journal of dairy science</title><addtitle>J Dairy Sci</addtitle><description>Sanitizers currently used in the food industry are not efficient in destroying bacterial populations in polysulfone UF membrane systems. A new sanitizer composition that releases chlorous acid and chlorine dioxide from sodium chlorite at pH 2.7 was evaluated. Polysulfone UF membranes were soiled for 2.5 h by circulating and concentrating Cheddar cheese whey and skim milk. A cleaning regimen was established whereby acid and caustic cleaning solutions were circulated to clean the UF membrane system. Restoring permeate flux to initial values did not indicate that the system was effectively cleaned. The UF system was sanitized by recycling sanitizer solutions. Stainless steel and membrane surfaces were examined by swabbing to determine bacterial populations and sections of membranes were removed for examination using a scanning electron microscope. The new sanitizer appeared to control microbial populations effectively in UF membrane systems.</description><subject>Animals</subject><subject>BACTERIA</subject><subject>BIODEGRADACION</subject><subject>BIODEGRADATION</subject><subject>CELL COUNTING</subject><subject>CHLORE</subject><subject>CHLORINE</subject><subject>Chlorine Compounds</subject><subject>CLEANING</subject><subject>CLORO</subject><subject>CONTEO DE CELULAS</subject><subject>DAIRY HYGIENE</subject><subject>Dairy Products</subject><subject>DESINFECTANT</subject><subject>DESINFECTANTES</subject><subject>DISINFECTANTS</subject><subject>Disinfection</subject><subject>Equipment Contamination - prevention & control</subject><subject>FILTRACION</subject><subject>FILTRATION</subject><subject>FOOD HYGIENE</subject><subject>Food Microbiology</subject><subject>HIGIENE DE LA LECHE</subject><subject>HIGIENE DE LOS ALIMENTOS</subject><subject>HYGIENE DES ALIMENTS</subject><subject>HYGIENE DU LAIT</subject><subject>INFECCION</subject><subject>INFECTION</subject><subject>LIMPIEZA</subject><subject>MEMBRANA</subject><subject>MEMBRANE</subject><subject>MEMBRANES</subject><subject>Membranes, Artificial</subject><subject>MICROBIAL CONTAMINATION</subject><subject>Microscopy, Electron, Scanning</subject><subject>Milk</subject><subject>NETTOYAGE</subject><subject>NUMERATION CELLULAIRE</subject><subject>Oxides</subject><subject>Polymers</subject><subject>RETENTATES</subject><subject>Sulfones</subject><subject>ULTRAFILTRACION</subject><subject>ULTRAFILTRATION</subject><issn>0022-0302</issn><issn>1525-3198</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>K30</sourceid><recordid>eNpdkF1rFTEQhoMo9bT6BwRhRRC92JrJx25yWUr9gIIXtTfehCSbtDlkN8dkt3L-vdmeQwVvEoZ5ZublQegd4HMKnfi8Hcr5DcaEtJhi8lHiT72QQNruGdoAJ7ylIMVztHlCXqLTUra1BIL5CTohhAvWyw36deW9s3N4cI1N05xTbJJvxmBzMkHHZpd2S9RzSFNpwlTLuC9L9GlyzRLnrH1Y37XfjG40WddG2ZfZjeUVeuF1LO718T9Dt1-ufl5-a69_fP1-eXHdWtaTuTUD81paQ3lHtGcAIMA7DoPrDJFMWDJYZmnHnDDedExwMMZjoi0AEULTM_ThsHeX0-_FlVmNoVgXY82SlqKACwpEygq-_w_cpiVPNZsC0fdYVjsrJQ9UVVBKdl7tchh13ivAarWvqn31aF-tapXE6tG-6urs2-OFxYxueJo86v4X9T7c3f8J2aky6hgrDevWniqpCMUr-OYAep2UvsuhqNsbCVhwxuhfkR2YrQ</recordid><startdate>19900901</startdate><enddate>19900901</enddate><creator>Bohner, H.F. 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(University of Wisconsin, Madison) ; Bradley, R.L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c472t-bd4fa9cb3562af411181fe51de6b2948c2dc4c364e8bfb64851bbf02ac11288a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Animals</topic><topic>BACTERIA</topic><topic>BIODEGRADACION</topic><topic>BIODEGRADATION</topic><topic>CELL COUNTING</topic><topic>CHLORE</topic><topic>CHLORINE</topic><topic>Chlorine Compounds</topic><topic>CLEANING</topic><topic>CLORO</topic><topic>CONTEO DE CELULAS</topic><topic>DAIRY HYGIENE</topic><topic>Dairy Products</topic><topic>DESINFECTANT</topic><topic>DESINFECTANTES</topic><topic>DISINFECTANTS</topic><topic>Disinfection</topic><topic>Equipment Contamination - prevention & control</topic><topic>FILTRACION</topic><topic>FILTRATION</topic><topic>FOOD HYGIENE</topic><topic>Food Microbiology</topic><topic>HIGIENE DE LA LECHE</topic><topic>HIGIENE DE LOS ALIMENTOS</topic><topic>HYGIENE DES ALIMENTS</topic><topic>HYGIENE DU LAIT</topic><topic>INFECCION</topic><topic>INFECTION</topic><topic>LIMPIEZA</topic><topic>MEMBRANA</topic><topic>MEMBRANE</topic><topic>MEMBRANES</topic><topic>Membranes, Artificial</topic><topic>MICROBIAL CONTAMINATION</topic><topic>Microscopy, Electron, Scanning</topic><topic>Milk</topic><topic>NETTOYAGE</topic><topic>NUMERATION CELLULAIRE</topic><topic>Oxides</topic><topic>Polymers</topic><topic>RETENTATES</topic><topic>Sulfones</topic><topic>ULTRAFILTRACION</topic><topic>ULTRAFILTRATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bohner, H.F. 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A cleaning regimen was established whereby acid and caustic cleaning solutions were circulated to clean the UF membrane system. Restoring permeate flux to initial values did not indicate that the system was effectively cleaned. The UF system was sanitized by recycling sanitizer solutions. Stainless steel and membrane surfaces were examined by swabbing to determine bacterial populations and sections of membranes were removed for examination using a scanning electron microscope. The new sanitizer appeared to control microbial populations effectively in UF membrane systems.</abstract><cop>United States</cop><pub>Am Dairy Sci Assoc</pub><pmid>2258479</pmid><doi>10.3168/jds.S0022-0302(90)78912-6</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0022-0302 |
| ispartof | Journal of dairy science, 1990-09, Vol.73 (9), p.2309-2317 |
| issn | 0022-0302 1525-3198 |
| language | eng |
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| source | MEDLINE; Periodicals Index Online; ScienceDirect Journals (5 years ago - present); EZB-FREE-00999 freely available EZB journals |
| subjects | Animals BACTERIA BIODEGRADACION BIODEGRADATION CELL COUNTING CHLORE CHLORINE Chlorine Compounds CLEANING CLORO CONTEO DE CELULAS DAIRY HYGIENE Dairy Products DESINFECTANT DESINFECTANTES DISINFECTANTS Disinfection Equipment Contamination - prevention & control FILTRACION FILTRATION FOOD HYGIENE Food Microbiology HIGIENE DE LA LECHE HIGIENE DE LOS ALIMENTOS HYGIENE DES ALIMENTS HYGIENE DU LAIT INFECCION INFECTION LIMPIEZA MEMBRANA MEMBRANE MEMBRANES Membranes, Artificial MICROBIAL CONTAMINATION Microscopy, Electron, Scanning Milk NETTOYAGE NUMERATION CELLULAIRE Oxides Polymers RETENTATES Sulfones ULTRAFILTRACION ULTRAFILTRATION |
| title | Effective control of microbial populations in polysulfone ultrafiltration membrane systems |
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