Low-Temperature Inactivation of Fecal Coliforms in Sludge Digestion
The goal of this research was to demonstrate the ability to achieve Class A pathogen standards in nonthermophilic acid digesters. It was proposed that the key mechanism responsible for fecal coliform inactivation was the presence of un-ionized volatile fatty acids. Lab-scale acid digesters were asse...
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| Veröffentlicht in: | Water environment research 2006-07, Vol.78 (7), p.680-685 |
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| creator | Puchajda, Bartek Oleszkiewicz, Jan Sparling, Richard Reimers, Robert |
| description | The goal of this research was to demonstrate the ability to achieve Class A pathogen standards in nonthermophilic acid digesters. It was proposed that the key mechanism responsible for fecal coliform inactivation was the presence of un-ionized volatile fatty acids. Lab-scale acid digesters were assembled and operated in a batch mode for 5 days at mesophilic (38°C) and low-mesophilic (21°C) temperatures and at different solids concentrations. The key factor recognized for successful pathogen inactivation was pH, which is also the main factor driving the shift in organic acids toward the un-ionized form. Compared to conventional mesophilic acid digestion, low-mesophilic acid digestion was effective in fecal coliform inactivation because the process maintained lower pH throughout the duration of the experiment, offered continuous release of organic acids, and showed higher concentrations of organic acids in un-ionized form, including acetate, propionate, butyrate, and valerate. |
| doi_str_mv | 10.2175/106143006X101638 |
| format | Article |
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It was proposed that the key mechanism responsible for fecal coliform inactivation was the presence of un-ionized volatile fatty acids. Lab-scale acid digesters were assembled and operated in a batch mode for 5 days at mesophilic (38°C) and low-mesophilic (21°C) temperatures and at different solids concentrations. The key factor recognized for successful pathogen inactivation was pH, which is also the main factor driving the shift in organic acids toward the un-ionized form. Compared to conventional mesophilic acid digestion, low-mesophilic acid digestion was effective in fecal coliform inactivation because the process maintained lower pH throughout the duration of the experiment, offered continuous release of organic acids, and showed higher concentrations of organic acids in un-ionized form, including acetate, propionate, butyrate, and valerate.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.2175/106143006X101638</identifier><identifier>PMID: 16929637</identifier><language>eng</language><publisher>Alexandria, VA: Water Environment Federation</publisher><subject>Acetates ; Acids - metabolism ; anaerobic digestion ; Applied sciences ; Bioreactors - microbiology ; biosolids ; Class A ; Drinking water and swimming-pool water. Desalination ; Enterobacteriaceae - growth & development ; Enterobacteriaceae - pathogenicity ; Exact sciences and technology ; Fatty acids ; Fecal coliforms ; Feces ; Feces - microbiology ; Heptanoic acids ; Hydrogen-Ion Concentration ; Organic acids ; Pathogens ; Pollution ; Research Papers ; Sewage - microbiology ; Short chain fatty acids ; Sludge ; Sludge digestion ; Temperature ; volatile acids ; volatile fatty acids ; Waste Management ; Water treatment and pollution</subject><ispartof>Water environment research, 2006-07, Vol.78 (7), p.680-685</ispartof><rights>Copyright 2006 The Water Environment Federation (WEF)</rights><rights>2006 Water Environment Federation</rights><rights>2006 INIST-CNRS</rights><rights>Copyright Water Environment Federation Jul 2006</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5420-691c118632a9e2dab22617724b587afe4f63f3d9d166e18abac8288f8789add93</citedby><cites>FETCH-LOGICAL-c5420-691c118632a9e2dab22617724b587afe4f63f3d9d166e18abac8288f8789add93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25053564$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25053564$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1416,27923,27924,45573,45574,58016,58249</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18022826$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16929637$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Puchajda, Bartek</creatorcontrib><creatorcontrib>Oleszkiewicz, Jan</creatorcontrib><creatorcontrib>Sparling, Richard</creatorcontrib><creatorcontrib>Reimers, Robert</creatorcontrib><title>Low-Temperature Inactivation of Fecal Coliforms in Sludge Digestion</title><title>Water environment research</title><addtitle>Water Environ Res</addtitle><description>The goal of this research was to demonstrate the ability to achieve Class A pathogen standards in nonthermophilic acid digesters. It was proposed that the key mechanism responsible for fecal coliform inactivation was the presence of un-ionized volatile fatty acids. Lab-scale acid digesters were assembled and operated in a batch mode for 5 days at mesophilic (38°C) and low-mesophilic (21°C) temperatures and at different solids concentrations. The key factor recognized for successful pathogen inactivation was pH, which is also the main factor driving the shift in organic acids toward the un-ionized form. Compared to conventional mesophilic acid digestion, low-mesophilic acid digestion was effective in fecal coliform inactivation because the process maintained lower pH throughout the duration of the experiment, offered continuous release of organic acids, and showed higher concentrations of organic acids in un-ionized form, including acetate, propionate, butyrate, and valerate.</description><subject>Acetates</subject><subject>Acids - metabolism</subject><subject>anaerobic digestion</subject><subject>Applied sciences</subject><subject>Bioreactors - microbiology</subject><subject>biosolids</subject><subject>Class A</subject><subject>Drinking water and swimming-pool water. Desalination</subject><subject>Enterobacteriaceae - growth & development</subject><subject>Enterobacteriaceae - pathogenicity</subject><subject>Exact sciences and technology</subject><subject>Fatty acids</subject><subject>Fecal coliforms</subject><subject>Feces</subject><subject>Feces - microbiology</subject><subject>Heptanoic acids</subject><subject>Hydrogen-Ion Concentration</subject><subject>Organic acids</subject><subject>Pathogens</subject><subject>Pollution</subject><subject>Research Papers</subject><subject>Sewage - microbiology</subject><subject>Short chain fatty acids</subject><subject>Sludge</subject><subject>Sludge digestion</subject><subject>Temperature</subject><subject>volatile acids</subject><subject>volatile fatty acids</subject><subject>Waste Management</subject><subject>Water treatment and pollution</subject><issn>1061-4303</issn><issn>1554-7531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkMFLHDEUh4NY1FrvXlqGgr1Nfe9lkkmOZdUqLBSqpb0N2ZlEssxM1mRH8b83yy4VvHhK4H3f7z1-jJ0ifCesxTmCxIoDyH8IKLnaY0coRFXWguN-_udxmef8kH1MaQmARFAdsEOUmrTk9RGbzcNTeWeHlY1mPUVb3IymXftHs_ZhLIIrrmxr-mIWeu9CHFLhx-K2n7p7W1z4e5s22Cf2wZk-2ZPde8z-XF3eza7L-a-fN7Mf87IVFUEpNbaISnIy2lJnFkQS65qqhVC1cbZykjve6Q6ltKjMwrSKlHKqVtp0nebH7Ns2dxXDw5R3N4NPre17M9owpQa10EAVZvDrG3AZpjjm2xpCCbIWuEmDLdTGkFK0rllFP5j43CA0m3abt-1m5csud1oMtnsVdnVm4GwHmJRrc9GMrU-vnAIiRTJzYss9-d4-v7u4-Xv5G6SC7H3eesu0DvG_RwIEF7LiL4rtmEA</recordid><startdate>200607</startdate><enddate>200607</enddate><creator>Puchajda, Bartek</creator><creator>Oleszkiewicz, Jan</creator><creator>Sparling, Richard</creator><creator>Reimers, Robert</creator><general>Water Environment Federation</general><general>Blackwell Publishing Ltd</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>7UA</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H97</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>L6V</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>M7S</scope><scope>P64</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>SOI</scope><scope>H96</scope></search><sort><creationdate>200607</creationdate><title>Low-Temperature Inactivation of Fecal Coliforms in Sludge Digestion</title><author>Puchajda, Bartek ; Oleszkiewicz, Jan ; Sparling, Richard ; Reimers, Robert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5420-691c118632a9e2dab22617724b587afe4f63f3d9d166e18abac8288f8789add93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Acetates</topic><topic>Acids - metabolism</topic><topic>anaerobic digestion</topic><topic>Applied sciences</topic><topic>Bioreactors - microbiology</topic><topic>biosolids</topic><topic>Class A</topic><topic>Drinking water and swimming-pool water. 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Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><jtitle>Water environment research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Puchajda, Bartek</au><au>Oleszkiewicz, Jan</au><au>Sparling, Richard</au><au>Reimers, Robert</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low-Temperature Inactivation of Fecal Coliforms in Sludge Digestion</atitle><jtitle>Water environment research</jtitle><addtitle>Water Environ Res</addtitle><date>2006-07</date><risdate>2006</risdate><volume>78</volume><issue>7</issue><spage>680</spage><epage>685</epage><pages>680-685</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>The goal of this research was to demonstrate the ability to achieve Class A pathogen standards in nonthermophilic acid digesters. It was proposed that the key mechanism responsible for fecal coliform inactivation was the presence of un-ionized volatile fatty acids. Lab-scale acid digesters were assembled and operated in a batch mode for 5 days at mesophilic (38°C) and low-mesophilic (21°C) temperatures and at different solids concentrations. The key factor recognized for successful pathogen inactivation was pH, which is also the main factor driving the shift in organic acids toward the un-ionized form. Compared to conventional mesophilic acid digestion, low-mesophilic acid digestion was effective in fecal coliform inactivation because the process maintained lower pH throughout the duration of the experiment, offered continuous release of organic acids, and showed higher concentrations of organic acids in un-ionized form, including acetate, propionate, butyrate, and valerate.</abstract><cop>Alexandria, VA</cop><pub>Water Environment Federation</pub><pmid>16929637</pmid><doi>10.2175/106143006X101638</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Water environment research, 2006-07, Vol.78 (7), p.680-685 |
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| language | eng |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; JSTOR Archive Collection A-Z Listing |
| subjects | Acetates Acids - metabolism anaerobic digestion Applied sciences Bioreactors - microbiology biosolids Class A Drinking water and swimming-pool water. Desalination Enterobacteriaceae - growth & development Enterobacteriaceae - pathogenicity Exact sciences and technology Fatty acids Fecal coliforms Feces Feces - microbiology Heptanoic acids Hydrogen-Ion Concentration Organic acids Pathogens Pollution Research Papers Sewage - microbiology Short chain fatty acids Sludge Sludge digestion Temperature volatile acids volatile fatty acids Waste Management Water treatment and pollution |
| title | Low-Temperature Inactivation of Fecal Coliforms in Sludge Digestion |
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