Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater

Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are...
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Autor*in:	Cynthia Dlangamandla [verfasserIn] Seteno K. O. Ntwampe [verfasserIn] Moses Basitere [verfasserIn] Boredi S. Chidi [verfasserIn] Benjamin I. Okeleye [verfasserIn] Melody R. Mukandi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs)

Übergeordnetes Werk:	In: Water - MDPI AG, 2010, 15(2023), 4, p 655
Übergeordnetes Werk:	volume:15 ; year:2023 ; number:4, p 655

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/w15040655

Katalog-ID:	DOAJ079949355

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520			\|a Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer.
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allfields	10.3390/w15040655 doi (DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Cynthia Dlangamandla verfasserin aut Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer. activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs) Hydraulic engineering Water supply for domestic and industrial purposes Seteno K. O. Ntwampe verfasserin aut Moses Basitere verfasserin aut Boredi S. Chidi verfasserin aut Benjamin I. Okeleye verfasserin aut Melody R. Mukandi verfasserin aut In Water MDPI AG, 2010 15(2023), 4, p 655 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:4, p 655 https://doi.org/10.3390/w15040655 kostenfrei https://doaj.org/article/5e5b89409f8e4ab392cbc43d8ccfcfb2 kostenfrei https://www.mdpi.com/2073-4441/15/4/655 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 4, p 655
spelling	10.3390/w15040655 doi (DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Cynthia Dlangamandla verfasserin aut Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer. activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs) Hydraulic engineering Water supply for domestic and industrial purposes Seteno K. O. Ntwampe verfasserin aut Moses Basitere verfasserin aut Boredi S. Chidi verfasserin aut Benjamin I. Okeleye verfasserin aut Melody R. Mukandi verfasserin aut In Water MDPI AG, 2010 15(2023), 4, p 655 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:4, p 655 https://doi.org/10.3390/w15040655 kostenfrei https://doaj.org/article/5e5b89409f8e4ab392cbc43d8ccfcfb2 kostenfrei https://www.mdpi.com/2073-4441/15/4/655 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 4, p 655
allfields_unstemmed	10.3390/w15040655 doi (DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Cynthia Dlangamandla verfasserin aut Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer. activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs) Hydraulic engineering Water supply for domestic and industrial purposes Seteno K. O. Ntwampe verfasserin aut Moses Basitere verfasserin aut Boredi S. Chidi verfasserin aut Benjamin I. Okeleye verfasserin aut Melody R. Mukandi verfasserin aut In Water MDPI AG, 2010 15(2023), 4, p 655 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:4, p 655 https://doi.org/10.3390/w15040655 kostenfrei https://doaj.org/article/5e5b89409f8e4ab392cbc43d8ccfcfb2 kostenfrei https://www.mdpi.com/2073-4441/15/4/655 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 4, p 655
allfieldsGer	10.3390/w15040655 doi (DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Cynthia Dlangamandla verfasserin aut Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer. activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs) Hydraulic engineering Water supply for domestic and industrial purposes Seteno K. O. Ntwampe verfasserin aut Moses Basitere verfasserin aut Boredi S. Chidi verfasserin aut Benjamin I. Okeleye verfasserin aut Melody R. Mukandi verfasserin aut In Water MDPI AG, 2010 15(2023), 4, p 655 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:4, p 655 https://doi.org/10.3390/w15040655 kostenfrei https://doaj.org/article/5e5b89409f8e4ab392cbc43d8ccfcfb2 kostenfrei https://www.mdpi.com/2073-4441/15/4/655 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 4, p 655
allfieldsSound	10.3390/w15040655 doi (DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Cynthia Dlangamandla verfasserin aut Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer. activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs) Hydraulic engineering Water supply for domestic and industrial purposes Seteno K. O. Ntwampe verfasserin aut Moses Basitere verfasserin aut Boredi S. Chidi verfasserin aut Benjamin I. Okeleye verfasserin aut Melody R. Mukandi verfasserin aut In Water MDPI AG, 2010 15(2023), 4, p 655 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:4, p 655 https://doi.org/10.3390/w15040655 kostenfrei https://doaj.org/article/5e5b89409f8e4ab392cbc43d8ccfcfb2 kostenfrei https://www.mdpi.com/2073-4441/15/4/655 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 4, p 655
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topic_title	TC1-978 TD201-500 Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater activated sludge (AS) treatment system biodefoamers defoamation poultry slaughterhouse wastewater (PSW) wastewater treatment plants (WWTPs)
topic	misc TC1-978 misc TD201-500 misc activated sludge (AS) treatment system misc biodefoamers misc defoamation misc poultry slaughterhouse wastewater (PSW) misc wastewater treatment plants (WWTPs) misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_unstemmed	misc TC1-978 misc TD201-500 misc activated sludge (AS) treatment system misc biodefoamers misc defoamation misc poultry slaughterhouse wastewater (PSW) misc wastewater treatment plants (WWTPs) misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_browse	misc TC1-978 misc TD201-500 misc activated sludge (AS) treatment system misc biodefoamers misc defoamation misc poultry slaughterhouse wastewater (PSW) misc wastewater treatment plants (WWTPs) misc Hydraulic engineering misc Water supply for domestic and industrial purposes
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title	Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater
ctrlnum	(DE-627)DOAJ079949355 (DE-599)DOAJ5e5b89409f8e4ab392cbc43d8ccfcfb2
title_full	Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater
author_sort	Cynthia Dlangamandla
journal	Water
journalStr	Water
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lang_code	eng
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publishDateSort	2023
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author_browse	Cynthia Dlangamandla Seteno K. O. Ntwampe Moses Basitere Boredi S. Chidi Benjamin I. Okeleye Melody R. Mukandi
container_volume	15
class	TC1-978 TD201-500
format_se	Elektronische Aufsätze
author-letter	Cynthia Dlangamandla
doi_str_mv	10.3390/w15040655
author2-role	verfasserin
title_sort	production, application, and efficacy of biodefoamers from <i<bacillus</i<, <i<aeromonas</i<, <i<klebsiella</i<, <i<comamonas</i< spp. consortium for the defoamation of poultry slaughterhouse wastewater
callnumber	TC1-978
title_auth	Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater
abstract	Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer.
abstractGer	Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer.
abstract_unstemmed	Activated sludge (AS) treatment systems’ major limitation is the nuisance foaming at the surface of the aeration basin in wastewater treatment plants (WWTPs). This foam can be stabilized by biofoamers and surfactants in the wastewater to be treated. In order to control foam, synthetic defoamers are used; however, these defoamers are toxic to the environment. This study aimed to optimize the production of biodefoamers by quantifying foam reduction efficiency and foam collapse by the isolate pervasive to poultry slaughterhouse wastewater (PSW). Before their identification and characterization, nine bacterial isolates were isolated and assessed for foam reduction efficiency. These organisms produced minute biodefoamers under various conditions generated on the response surface methodology (RSM). The isolates that produced biodefoamers with high foam reduction efficiency and at a lower foam collapse rate were <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, and <i<Commamonas</i< spp. consortia. At 4% (v defoamer/v PSW), the crude defoamers produced by the consortium had 96% foam reduction efficiency at 1.7 mm/s foam collapse rate, which was comparable to 96% foam reduction efficiency and 2.5 mm/s foam collapse rate for active silicone polymer antifoam A/defoamer by Sigma-Aldrich, a synthetic defoamer. At 2.5 mm/s, all of which were achieved at pH 7 and in less than 50 s. The application of the biodefoamer resulted in sludge compacted flocs, with filament protruding flocs observed when a synthetic defoamer was used. The biodefoamer showed the presence of alkane, amine, carboxyl and hydroxyl groups, which indicated a polysaccharide core structure. The <sup<1</sup<H NMR analysis further confirmed that the biodefoamers were carbohydrate polymers. This study reports for the first time on the efficiency and comparability of a biodefoamer to a synthetic defoamer.
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title_short	Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater
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Production, Application, and Efficacy of Biodefoamers from <i<Bacillus</i<, <i<Aeromonas</i<, <i<Klebsiella</i<, <i<Comamonas</i< spp. Consortium for the Defoamation of Poultry Slaughterhouse Wastewater

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