Synergic Adsorption–Biodegradation by an Advanced Carrier for Enhanced Removal of High-Strength Nitrogen and Refractory Organics

Handle URI:
http://hdl.handle.net/10754/623916
Title:
Synergic Adsorption–Biodegradation by an Advanced Carrier for Enhanced Removal of High-Strength Nitrogen and Refractory Organics
Authors:
Ahmad, Muhammad; Liu, Sitong; Mahmood, Nasir ( 0000-0002-8340-1058 ) ; Mahmood, Asif; Ali, Muhammad ( 0000-0003-3360-1622 ) ; Zheng, Maosheng; Ni, Jinren ( 0000-0002-9114-8347 )
Abstract:
Coking wastewater contains not only high-strength nitrogen but also toxic biorefractory organics. This study presents simultaneous removal of high-strength quinoline, carbon, and ammonium in coking wastewater by immobilized bacterial communities composed of a heterotrophic strain Pseudomonas sp. QG6 (hereafter referred as QG6), ammonia-oxidizing bacteria (AOB), and anaerobic ammonium oxidation bacteria (anammox). The bacterial immobilization was implemented with the help of a self-designed porous cubic carrier that created structured microenvironments including an inner layer adapted for anaerobic bacteria, a middle layer suitable for coaggregation of certain aerobic and anaerobic bacteria, and an outer layer for heterotrophic bacteria. By coating functional polyurethane foam (FPUF) with iron oxide nanoparticles (IONPs), the biocarrier (IONPs-FPUF) could provide a good outer-layer barrier for absorption and selective treatment of aromatic compounds by QG6, offer a conducive environment for anammox in the inner layer, and provide a mutualistic environment for AOB in the middle layer. Consequently, simultaneous nitrification and denitrification were reached with the significant removal of up to 322 mg L (98%) NH, 311 mg L (99%) NO, and 633 mg L (97%) total nitrogen (8 mg L averaged NO concentration was recorded in the effluent), accompanied by an efficient removal of chemical oxygen demand by 3286 mg L (98%) and 350 mg L (100%) quinoline. This study provides an alternative way to promote synergic adsorption and biodegradation with the help of a modified biocarrier that has great potential for treatment of wastewater containing high-strength carbon, toxic organic pollutants, and nitrogen.
KAUST Department:
Biological and Environmental Sciences and Engineering (BESE) Division; Water Desalination and Reuse Research Center (WDRC)
Citation:
Ahmad M, Liu S, Mahmood N, Mahmood A, Ali M, et al. (2017) Synergic Adsorption–Biodegradation by an Advanced Carrier for Enhanced Removal of High-Strength Nitrogen and Refractory Organics. ACS Applied Materials & Interfaces 9: 13188–13200. Available: http://dx.doi.org/10.1021/acsami.7b01251.
Publisher:
American Chemical Society (ACS)
Journal:
ACS Applied Materials & Interfaces
Issue Date:
29-Mar-2017
DOI:
10.1021/acsami.7b01251
Type:
Article
ISSN:
1944-8244; 1944-8252
Sponsors:
The authors highly appreciate the National Science Foundation of China (no. 51539001) for providing financial support for this study.
Additional Links:
http://pubs.acs.org/doi/abs/10.1021/acsami.7b01251
Appears in Collections:
Articles; Water Desalination and Reuse Research Center (WDRC); Biological and Environmental Sciences and Engineering (BESE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorAhmad, Muhammaden
dc.contributor.authorLiu, Sitongen
dc.contributor.authorMahmood, Nasiren
dc.contributor.authorMahmood, Asifen
dc.contributor.authorAli, Muhammaden
dc.contributor.authorZheng, Maoshengen
dc.contributor.authorNi, Jinrenen
dc.date.accessioned2017-05-31T11:23:13Z-
dc.date.available2017-05-31T11:23:13Z-
dc.date.issued2017-03-29en
dc.identifier.citationAhmad M, Liu S, Mahmood N, Mahmood A, Ali M, et al. (2017) Synergic Adsorption–Biodegradation by an Advanced Carrier for Enhanced Removal of High-Strength Nitrogen and Refractory Organics. ACS Applied Materials & Interfaces 9: 13188–13200. Available: http://dx.doi.org/10.1021/acsami.7b01251.en
dc.identifier.issn1944-8244en
dc.identifier.issn1944-8252en
dc.identifier.doi10.1021/acsami.7b01251en
dc.identifier.urihttp://hdl.handle.net/10754/623916-
dc.description.abstractCoking wastewater contains not only high-strength nitrogen but also toxic biorefractory organics. This study presents simultaneous removal of high-strength quinoline, carbon, and ammonium in coking wastewater by immobilized bacterial communities composed of a heterotrophic strain Pseudomonas sp. QG6 (hereafter referred as QG6), ammonia-oxidizing bacteria (AOB), and anaerobic ammonium oxidation bacteria (anammox). The bacterial immobilization was implemented with the help of a self-designed porous cubic carrier that created structured microenvironments including an inner layer adapted for anaerobic bacteria, a middle layer suitable for coaggregation of certain aerobic and anaerobic bacteria, and an outer layer for heterotrophic bacteria. By coating functional polyurethane foam (FPUF) with iron oxide nanoparticles (IONPs), the biocarrier (IONPs-FPUF) could provide a good outer-layer barrier for absorption and selective treatment of aromatic compounds by QG6, offer a conducive environment for anammox in the inner layer, and provide a mutualistic environment for AOB in the middle layer. Consequently, simultaneous nitrification and denitrification were reached with the significant removal of up to 322 mg L (98%) NH, 311 mg L (99%) NO, and 633 mg L (97%) total nitrogen (8 mg L averaged NO concentration was recorded in the effluent), accompanied by an efficient removal of chemical oxygen demand by 3286 mg L (98%) and 350 mg L (100%) quinoline. This study provides an alternative way to promote synergic adsorption and biodegradation with the help of a modified biocarrier that has great potential for treatment of wastewater containing high-strength carbon, toxic organic pollutants, and nitrogen.en
dc.description.sponsorshipThe authors highly appreciate the National Science Foundation of China (no. 51539001) for providing financial support for this study.en
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.urlhttp://pubs.acs.org/doi/abs/10.1021/acsami.7b01251en
dc.subjectadsorption-biodegradationen
dc.subjectanammox-AOBen
dc.subjectcoking wastewateren
dc.subjectiron oxideen
dc.subjectquinolineen
dc.titleSynergic Adsorption–Biodegradation by an Advanced Carrier for Enhanced Removal of High-Strength Nitrogen and Refractory Organicsen
dc.typeArticleen
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Divisionen
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)en
dc.identifier.journalACS Applied Materials & Interfacesen
dc.contributor.institutionDepartment of Environmental Engineering, Key Laboratory of Water and Sediment Sciences, Ministry of Education, Peking University, Beijing, 100871, , , Chinaen
dc.contributor.institutionKey Laboratory for Green Chemical Technology, Ministry of Education, School of Chemical Engineering and Technology, Collaborative Innovative Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin, 300072, , , Chinaen
dc.contributor.institutionDepartment of Physics, South University of Sciences and Technology, Shenzhen, 518055, , Chinaen
dc.contributor.institutionResources and Environmental Research Academy, North China Electric Power University, Beijing, 102206, , Chinaen
kaust.authorAli, Muhammaden
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