Diatomite carrier for rapid formation of Aerobic Granular Sludge
Aerobic granular sludge (AGS) is a spherical compact sludge that has a lot of advantages such as great settling ability, high biomass level, good shock resistance and ability to withstand high organic loading rate (OLR) and toxic pollutants. However, it still has a major weakness that influences the...
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| Veröffentlicht in: | IOP conference series. Earth and environmental science 2020-06, Vol.479 (1), p.12028 |
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| creator | Basri, H F Anuar, A N Yuzir, Ali Halim, Mohd Hakim Ab |
| description | Aerobic granular sludge (AGS) is a spherical compact sludge that has a lot of advantages such as great settling ability, high biomass level, good shock resistance and ability to withstand high organic loading rate (OLR) and toxic pollutants. However, it still has a major weakness that influences the low global reputation of AGS which is long granulation time. Therefore, a support material called diatomite which known for its unique characteristic is used in this study to speed up the granulation process in a pilot sequencing batch reactor (SBR) for domestic wastewater treatment. The AGS was cultivated in a pilot bioreactor for 30 days and measured for its characteristic. The result indicates fast granulation with 18 days of AGS formation period. Moreover, SEM images shows the present of diatomite in the inner part of the mature granules and proved its function as a nucleation agent that accelerate the aggregation process. The developed granules demonstrate excellent strength and settleability with strength (IC: 17.42%), SVI of 68 mL/g SS and settling velocity (114 m h−1) respectively. |
| doi_str_mv | 10.1088/1755-1315/479/1/012028 |
| format | Article |
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However, it still has a major weakness that influences the low global reputation of AGS which is long granulation time. Therefore, a support material called diatomite which known for its unique characteristic is used in this study to speed up the granulation process in a pilot sequencing batch reactor (SBR) for domestic wastewater treatment. The AGS was cultivated in a pilot bioreactor for 30 days and measured for its characteristic. The result indicates fast granulation with 18 days of AGS formation period. Moreover, SEM images shows the present of diatomite in the inner part of the mature granules and proved its function as a nucleation agent that accelerate the aggregation process. The developed granules demonstrate excellent strength and settleability with strength (IC: 17.42%), SVI of 68 mL/g SS and settling velocity (114 m h−1) respectively.</description><identifier>ISSN: 1755-1307</identifier><identifier>EISSN: 1755-1315</identifier><identifier>DOI: 10.1088/1755-1315/479/1/012028</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Batch reactors ; Bioreactors ; Diatomaceous earth ; Domestic wastewater ; Granular materials ; Granulation ; Load distribution ; Loading rate ; Nucleation ; Organic loading ; Pollutants ; Settling velocity ; Shock resistance ; Sludge ; Wastewater treatment</subject><ispartof>IOP conference series. Earth and environmental science, 2020-06, Vol.479 (1), p.12028</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2020. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Earth and environmental science</title><addtitle>IOP Conf. Ser.: Earth Environ. Sci</addtitle><description>Aerobic granular sludge (AGS) is a spherical compact sludge that has a lot of advantages such as great settling ability, high biomass level, good shock resistance and ability to withstand high organic loading rate (OLR) and toxic pollutants. However, it still has a major weakness that influences the low global reputation of AGS which is long granulation time. Therefore, a support material called diatomite which known for its unique characteristic is used in this study to speed up the granulation process in a pilot sequencing batch reactor (SBR) for domestic wastewater treatment. The AGS was cultivated in a pilot bioreactor for 30 days and measured for its characteristic. The result indicates fast granulation with 18 days of AGS formation period. Moreover, SEM images shows the present of diatomite in the inner part of the mature granules and proved its function as a nucleation agent that accelerate the aggregation process. The developed granules demonstrate excellent strength and settleability with strength (IC: 17.42%), SVI of 68 mL/g SS and settling velocity (114 m h−1) respectively.</description><subject>Batch reactors</subject><subject>Bioreactors</subject><subject>Diatomaceous earth</subject><subject>Domestic wastewater</subject><subject>Granular materials</subject><subject>Granulation</subject><subject>Load distribution</subject><subject>Loading rate</subject><subject>Nucleation</subject><subject>Organic loading</subject><subject>Pollutants</subject><subject>Settling velocity</subject><subject>Shock resistance</subject><subject>Sludge</subject><subject>Wastewater treatment</subject><issn>1755-1307</issn><issn>1755-1315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>BENPR</sourceid><recordid>eNqFkE1Lw0AQhhdRsFb_ggS8eInZj-zXzVJrFQoequdlu9mVLW03TpKD_96ESEUQPM07zDvvDA9C1wTfEaxUQSTnOWGEF6XUBSkwoZiqEzQ5Dk6PGstzdNE0W4yFLJmeoPuHaNu0j63PnAWIHrKQIANbx2pQe9vGdMhSyGYe0ia6bAn20O0sZOtdV737S3QW7K7xV991it4eF6_zp3z1snyez1a5Y1yrXHjpN6XSpSU8aOqsFFzpvg02eB4oo5VUYuNoyRTDTmJRaWqDw4RIXAXGpuhmzK0hfXS-ac02dXDoTxrKORdUlFr0LjG6HKSmAR9MDXFv4dMQbAZaZgBhBiimp2WIGWn1i7fjYkz1T_Jisf5lM3X_yhTRP6z_5H8BkEV3ew</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Basri, H F</creator><creator>Anuar, A N</creator><creator>Yuzir, Ali</creator><creator>Halim, Mohd Hakim Ab</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope></search><sort><creationdate>20200601</creationdate><title>Diatomite carrier for rapid formation of Aerobic Granular Sludge</title><author>Basri, H F ; Anuar, A N ; Yuzir, Ali ; Halim, Mohd Hakim Ab</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3598-6e7eb4894a15f92ca7658994afafe5f232d786bc243830c706d92afc01170df33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Batch reactors</topic><topic>Bioreactors</topic><topic>Diatomaceous earth</topic><topic>Domestic wastewater</topic><topic>Granular materials</topic><topic>Granulation</topic><topic>Load distribution</topic><topic>Loading rate</topic><topic>Nucleation</topic><topic>Organic loading</topic><topic>Pollutants</topic><topic>Settling velocity</topic><topic>Shock resistance</topic><topic>Sludge</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Basri, H F</creatorcontrib><creatorcontrib>Anuar, A N</creatorcontrib><creatorcontrib>Yuzir, Ali</creatorcontrib><creatorcontrib>Halim, Mohd Hakim Ab</creatorcontrib><collection>Institute of Physics Open Access Journal Titles</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Environmental Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><jtitle>IOP conference series. Earth and environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Basri, H F</au><au>Anuar, A N</au><au>Yuzir, Ali</au><au>Halim, Mohd Hakim Ab</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diatomite carrier for rapid formation of Aerobic Granular Sludge</atitle><jtitle>IOP conference series. Earth and environmental science</jtitle><addtitle>IOP Conf. Ser.: Earth Environ. Sci</addtitle><date>2020-06-01</date><risdate>2020</risdate><volume>479</volume><issue>1</issue><spage>12028</spage><pages>12028-</pages><issn>1755-1307</issn><eissn>1755-1315</eissn><abstract>Aerobic granular sludge (AGS) is a spherical compact sludge that has a lot of advantages such as great settling ability, high biomass level, good shock resistance and ability to withstand high organic loading rate (OLR) and toxic pollutants. However, it still has a major weakness that influences the low global reputation of AGS which is long granulation time. Therefore, a support material called diatomite which known for its unique characteristic is used in this study to speed up the granulation process in a pilot sequencing batch reactor (SBR) for domestic wastewater treatment. The AGS was cultivated in a pilot bioreactor for 30 days and measured for its characteristic. The result indicates fast granulation with 18 days of AGS formation period. Moreover, SEM images shows the present of diatomite in the inner part of the mature granules and proved its function as a nucleation agent that accelerate the aggregation process. 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| source | Institute of Physics IOPscience extra; EZB-FREE-00999 freely available EZB journals; Institute of Physics Open Access Journal Titles |
| subjects | Batch reactors Bioreactors Diatomaceous earth Domestic wastewater Granular materials Granulation Load distribution Loading rate Nucleation Organic loading Pollutants Settling velocity Shock resistance Sludge Wastewater treatment |
| title | Diatomite carrier for rapid formation of Aerobic Granular Sludge |
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