Performance evaluation of panelled anaerobic baffle-cum-filter reactor in treating municipal wastewater
•Startup period of PABFR −61days with COD removal efficiency upto 90%.•Appropriate HRT for operating PABFR is 8h HRT.•Recovery and reactivation(restart) of PABFR after hydraulic shock and shutdown were rapid.•The reactor best suits rural decentralized wastewater treatment system. A panelled anaerobi...
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| Veröffentlicht in: | Ecological engineering 2016-12, Vol.97, p.1-12 |
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| creator | Renuka, R. Mohan, S. Mariraj Sowmiya, B. Raj, S. Amal |
| description | •Startup period of PABFR −61days with COD removal efficiency upto 90%.•Appropriate HRT for operating PABFR is 8h HRT.•Recovery and reactivation(restart) of PABFR after hydraulic shock and shutdown were rapid.•The reactor best suits rural decentralized wastewater treatment system.
A panelled anaerobic baffle-cum-filter reactor (PABFR) was developed to treat municipal wastewater in tropical climatic condition. The performance of the reactor was evaluated with respect to start-up mechanism, pollutant removal behaviour by varying hydraulic retention time (HRT) at different organic loading rates (OLR), resistance to shock loading, restart behaviour after a shutdown period and its potential to remove pathogen indicator. Acclimatization curve was plotted. It indicated a successful start-up period of 61days with a COD removal efficiency of more than 90%. The alkalinity to volatile acid ratio was less than 0.5, which confirms reactor stability. Performance evaluation of the reactor was carried out for more than 682days at 7 different HRTs ranging from 2h to 40h. The HRT of 8h was found to be appropriate for PABFR configuration with removal efficiencies of 95%, 91% and 90% for suspended solids (SS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD), respectively. The recovery of the reactor after hydraulic shock (both transient and step) was two times better compared to conventional ABR because of the filter media present in the rear part of the PABFR. Reactivation after a short shutdown period was quick and yielded efficient treatment. The removal efficiency of the pathogen indicator was above 97.2% at a HRT of 8h, but it is necessary to adopt appropriate post-treatment measures to guarantee reuse. Thus, with the above-mentioned properties, the PABFR is a suitable technology for decentralized municipal sewage treatment in suburban and rural areas of India. |
| doi_str_mv | 10.1016/j.ecoleng.2016.07.020 |
| format | Article |
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A panelled anaerobic baffle-cum-filter reactor (PABFR) was developed to treat municipal wastewater in tropical climatic condition. The performance of the reactor was evaluated with respect to start-up mechanism, pollutant removal behaviour by varying hydraulic retention time (HRT) at different organic loading rates (OLR), resistance to shock loading, restart behaviour after a shutdown period and its potential to remove pathogen indicator. Acclimatization curve was plotted. It indicated a successful start-up period of 61days with a COD removal efficiency of more than 90%. The alkalinity to volatile acid ratio was less than 0.5, which confirms reactor stability. Performance evaluation of the reactor was carried out for more than 682days at 7 different HRTs ranging from 2h to 40h. The HRT of 8h was found to be appropriate for PABFR configuration with removal efficiencies of 95%, 91% and 90% for suspended solids (SS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD), respectively. The recovery of the reactor after hydraulic shock (both transient and step) was two times better compared to conventional ABR because of the filter media present in the rear part of the PABFR. Reactivation after a short shutdown period was quick and yielded efficient treatment. The removal efficiency of the pathogen indicator was above 97.2% at a HRT of 8h, but it is necessary to adopt appropriate post-treatment measures to guarantee reuse. Thus, with the above-mentioned properties, the PABFR is a suitable technology for decentralized municipal sewage treatment in suburban and rural areas of India.</description><identifier>ISSN: 0925-8574</identifier><identifier>EISSN: 1872-6992</identifier><identifier>DOI: 10.1016/j.ecoleng.2016.07.020</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Acclimatization ; Activation ; Alkalinity ; Anaerobic treatment ; Biochemical oxygen demand ; Chemical oxygen demand ; Decentralized wastewater treatment ; Filter media ; Hydraulic retention time ; Hydraulic shock ; Load resistance ; Municipal wastewater ; Organic loading ; Panelled anaerobic baffle-cum-filter reactor ; Pathogens ; Performance evaluation ; Pollutant removal ; Pollutants ; Reactors ; Removal ; Retention time ; Rural areas ; Sewage ; Sewage treatment ; Sewage treatment plants ; Shock loading ; Shock resistance ; Stability ; Stability analysis ; Studies ; Suburban areas ; Suspended particulate matter ; Suspended solids ; Total oxygen demand ; Tropical climate ; Waste treatment ; Wastewater ; Wastewater treatment ; Water treatment</subject><ispartof>Ecological engineering, 2016-12, Vol.97, p.1-12</ispartof><rights>2016 Elsevier B.V.</rights><rights>Copyright Elsevier BV Dec 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-43566f7d1c3e128963a8cf88ece9df550b113ce6c8d76025d283d0569c23bdec3</citedby><cites>FETCH-LOGICAL-c407t-43566f7d1c3e128963a8cf88ece9df550b113ce6c8d76025d283d0569c23bdec3</cites><orcidid>0000-0001-7361-7325</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ecoleng.2016.07.020$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Renuka, R.</creatorcontrib><creatorcontrib>Mohan, S. Mariraj</creatorcontrib><creatorcontrib>Sowmiya, B.</creatorcontrib><creatorcontrib>Raj, S. Amal</creatorcontrib><title>Performance evaluation of panelled anaerobic baffle-cum-filter reactor in treating municipal wastewater</title><title>Ecological engineering</title><description>•Startup period of PABFR −61days with COD removal efficiency upto 90%.•Appropriate HRT for operating PABFR is 8h HRT.•Recovery and reactivation(restart) of PABFR after hydraulic shock and shutdown were rapid.•The reactor best suits rural decentralized wastewater treatment system.
A panelled anaerobic baffle-cum-filter reactor (PABFR) was developed to treat municipal wastewater in tropical climatic condition. The performance of the reactor was evaluated with respect to start-up mechanism, pollutant removal behaviour by varying hydraulic retention time (HRT) at different organic loading rates (OLR), resistance to shock loading, restart behaviour after a shutdown period and its potential to remove pathogen indicator. Acclimatization curve was plotted. It indicated a successful start-up period of 61days with a COD removal efficiency of more than 90%. The alkalinity to volatile acid ratio was less than 0.5, which confirms reactor stability. Performance evaluation of the reactor was carried out for more than 682days at 7 different HRTs ranging from 2h to 40h. The HRT of 8h was found to be appropriate for PABFR configuration with removal efficiencies of 95%, 91% and 90% for suspended solids (SS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD), respectively. The recovery of the reactor after hydraulic shock (both transient and step) was two times better compared to conventional ABR because of the filter media present in the rear part of the PABFR. Reactivation after a short shutdown period was quick and yielded efficient treatment. The removal efficiency of the pathogen indicator was above 97.2% at a HRT of 8h, but it is necessary to adopt appropriate post-treatment measures to guarantee reuse. Thus, with the above-mentioned properties, the PABFR is a suitable technology for decentralized municipal sewage treatment in suburban and rural areas of India.</description><subject>Acclimatization</subject><subject>Activation</subject><subject>Alkalinity</subject><subject>Anaerobic treatment</subject><subject>Biochemical oxygen demand</subject><subject>Chemical oxygen demand</subject><subject>Decentralized wastewater treatment</subject><subject>Filter media</subject><subject>Hydraulic retention time</subject><subject>Hydraulic shock</subject><subject>Load resistance</subject><subject>Municipal wastewater</subject><subject>Organic loading</subject><subject>Panelled anaerobic baffle-cum-filter reactor</subject><subject>Pathogens</subject><subject>Performance evaluation</subject><subject>Pollutant removal</subject><subject>Pollutants</subject><subject>Reactors</subject><subject>Removal</subject><subject>Retention time</subject><subject>Rural areas</subject><subject>Sewage</subject><subject>Sewage treatment</subject><subject>Sewage treatment plants</subject><subject>Shock loading</subject><subject>Shock resistance</subject><subject>Stability</subject><subject>Stability analysis</subject><subject>Studies</subject><subject>Suburban areas</subject><subject>Suspended particulate matter</subject><subject>Suspended solids</subject><subject>Total oxygen demand</subject><subject>Tropical climate</subject><subject>Waste treatment</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><issn>0925-8574</issn><issn>1872-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkE2LFDEQhoMoOK7-BCHgxUv35mPSSZ9EFleFhfWg55CpVIYM3cmYpHfx35tl9uTFU1XBU0W9DyHvORs549P1aUTIC6bjKPo4Mj0ywV6QHTdaDNM8i5dkx2ahBqP0_jV5U-uJMaaFmnfk-ANLyGV1CZDig1s212JONAd6dgmXBT11yWHJhwj04EJYcIBtHUJcGhZa0EHLhcZEW-9bTEe6bilCPLuFPrra8NF18C15FdxS8d1zvSK_br_8vPk23N1__X7z-W6APdNt2Es1TUF7DhK5MPMknYFgDALOPijFDpxLwAmM1xMTygsjPVPTDEIePIK8Ih8vd88l_96wNrvGCj1HD5O3arlRTGvNtOzoh3_QU95K6t9ZPkuu-b5L6pS6UFByrQWDPZe4uvLHcmaf9NuTfdZvn_Rbpm3X3_c-Xfawp32IWGyFiN2yjwWhWZ_jfy78BYzMkhE</recordid><startdate>20161201</startdate><enddate>20161201</enddate><creator>Renuka, R.</creator><creator>Mohan, S. Mariraj</creator><creator>Sowmiya, B.</creator><creator>Raj, S. Amal</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QO</scope><scope>7SN</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>7TV</scope><orcidid>https://orcid.org/0000-0001-7361-7325</orcidid></search><sort><creationdate>20161201</creationdate><title>Performance evaluation of panelled anaerobic baffle-cum-filter reactor in treating municipal wastewater</title><author>Renuka, R. ; Mohan, S. Mariraj ; Sowmiya, B. ; Raj, S. Amal</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-43566f7d1c3e128963a8cf88ece9df550b113ce6c8d76025d283d0569c23bdec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acclimatization</topic><topic>Activation</topic><topic>Alkalinity</topic><topic>Anaerobic treatment</topic><topic>Biochemical oxygen demand</topic><topic>Chemical oxygen demand</topic><topic>Decentralized wastewater treatment</topic><topic>Filter media</topic><topic>Hydraulic retention time</topic><topic>Hydraulic shock</topic><topic>Load resistance</topic><topic>Municipal wastewater</topic><topic>Organic loading</topic><topic>Panelled anaerobic baffle-cum-filter reactor</topic><topic>Pathogens</topic><topic>Performance evaluation</topic><topic>Pollutant removal</topic><topic>Pollutants</topic><topic>Reactors</topic><topic>Removal</topic><topic>Retention time</topic><topic>Rural areas</topic><topic>Sewage</topic><topic>Sewage treatment</topic><topic>Sewage treatment plants</topic><topic>Shock loading</topic><topic>Shock resistance</topic><topic>Stability</topic><topic>Stability analysis</topic><topic>Studies</topic><topic>Suburban areas</topic><topic>Suspended particulate matter</topic><topic>Suspended solids</topic><topic>Total oxygen demand</topic><topic>Tropical climate</topic><topic>Waste treatment</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Renuka, R.</creatorcontrib><creatorcontrib>Mohan, S. 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Mariraj</au><au>Sowmiya, B.</au><au>Raj, S. Amal</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance evaluation of panelled anaerobic baffle-cum-filter reactor in treating municipal wastewater</atitle><jtitle>Ecological engineering</jtitle><date>2016-12-01</date><risdate>2016</risdate><volume>97</volume><spage>1</spage><epage>12</epage><pages>1-12</pages><issn>0925-8574</issn><eissn>1872-6992</eissn><abstract>•Startup period of PABFR −61days with COD removal efficiency upto 90%.•Appropriate HRT for operating PABFR is 8h HRT.•Recovery and reactivation(restart) of PABFR after hydraulic shock and shutdown were rapid.•The reactor best suits rural decentralized wastewater treatment system.
A panelled anaerobic baffle-cum-filter reactor (PABFR) was developed to treat municipal wastewater in tropical climatic condition. The performance of the reactor was evaluated with respect to start-up mechanism, pollutant removal behaviour by varying hydraulic retention time (HRT) at different organic loading rates (OLR), resistance to shock loading, restart behaviour after a shutdown period and its potential to remove pathogen indicator. Acclimatization curve was plotted. It indicated a successful start-up period of 61days with a COD removal efficiency of more than 90%. The alkalinity to volatile acid ratio was less than 0.5, which confirms reactor stability. Performance evaluation of the reactor was carried out for more than 682days at 7 different HRTs ranging from 2h to 40h. The HRT of 8h was found to be appropriate for PABFR configuration with removal efficiencies of 95%, 91% and 90% for suspended solids (SS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD), respectively. The recovery of the reactor after hydraulic shock (both transient and step) was two times better compared to conventional ABR because of the filter media present in the rear part of the PABFR. Reactivation after a short shutdown period was quick and yielded efficient treatment. The removal efficiency of the pathogen indicator was above 97.2% at a HRT of 8h, but it is necessary to adopt appropriate post-treatment measures to guarantee reuse. Thus, with the above-mentioned properties, the PABFR is a suitable technology for decentralized municipal sewage treatment in suburban and rural areas of India.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.ecoleng.2016.07.020</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-7361-7325</orcidid></addata></record> |
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| ispartof | Ecological engineering, 2016-12, Vol.97, p.1-12 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Acclimatization Activation Alkalinity Anaerobic treatment Biochemical oxygen demand Chemical oxygen demand Decentralized wastewater treatment Filter media Hydraulic retention time Hydraulic shock Load resistance Municipal wastewater Organic loading Panelled anaerobic baffle-cum-filter reactor Pathogens Performance evaluation Pollutant removal Pollutants Reactors Removal Retention time Rural areas Sewage Sewage treatment Sewage treatment plants Shock loading Shock resistance Stability Stability analysis Studies Suburban areas Suspended particulate matter Suspended solids Total oxygen demand Tropical climate Waste treatment Wastewater Wastewater treatment Water treatment |
| title | Performance evaluation of panelled anaerobic baffle-cum-filter reactor in treating municipal wastewater |
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