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Tsujino S, Masuda R, Shimizu Y, Azuma Y, Kanada Y, Fujiwara T. Phylogenetic diversity, distribution, and gene structure of the pyruvic oxime dioxygenase involved in heterotrophic nitrification. Antonie Van Leeuwenhoek 2023; 116:1037-1055. [PMID: 37596503 DOI: 10.1007/s10482-023-01862-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/25/2023] [Indexed: 08/20/2023]
Abstract
Some heterotrophic microorganisms carry out nitrification to produce nitrite and nitrate from pyruvic oxime. Pyruvic oxime dioxygenase (POD) is an enzyme that catalyzes the degradation of pyruvic oxime to pyruvate and nitrite from the heterotrophic nitrifying bacterium Alcaligenes faecalis. Sequence similarity searches revealed the presence of genes encoding proteins homologous to A. faecalis POD in bacteria of the phyla Proteobacteria and Actinobacteria and in fungi of the phylum Ascomycota, and their gene products were confirmed to have POD activity in recombinant experiments. Phylogenetic analysis further classified these POD homologs into three groups. Group 1 POD is mainly found in heterotrophic nitrifying Betaproteobacteria and fungi, and is assumed to be involved in heterotrophic nitrification. It is not clear whether group 2 POD, found mainly in species of the Gammaproteobacteria and Actinobacteria, and group 3 POD, found simultaneously with group 1 POD, are involved in heterotrophic nitrification. The genes of bacterial group 1 POD comprised a single transcription unit with the genes related to the metabolism of aromatic compounds, and many of the genes group 2 POD consisted of a single transcription unit with the gene encoding the protein homologous to 4-hydroxy-tetrahydrodipicolinate synthase (DapA). LysR- or Cro/CI-type regulatory genes were present adjacent to or in the vicinity of these POD gene clusters. POD may be involved not only in nitrification, but also in certain metabolic processes whose functions are currently unknown, in coordination with members of gene clusters.
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Affiliation(s)
- Shuhei Tsujino
- Department of Environment and Energy Systems, Graduate School of Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan
- Department of Microbiology and Immunology, Graduate School of Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo, 060-8638, Japan
| | - Ryota Masuda
- Department of Biological Sciences, Faculty of Science, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Yoshiyuki Shimizu
- Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Yuichi Azuma
- Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Yutaro Kanada
- Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Taketomo Fujiwara
- Department of Environment and Energy Systems, Graduate School of Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Department of Biological Sciences, Faculty of Science, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Oh-ya, Suruga-ku, Shizuoka, 422-8529, Japan.
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Zulkifli M, Abu Hasan H, Sheikh Abdullah SR, Muhamad MH. A review of ammonia removal using a biofilm-based reactor and its challenges. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 315:115162. [PMID: 35561462 DOI: 10.1016/j.jenvman.2022.115162] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 04/16/2022] [Accepted: 04/22/2022] [Indexed: 06/15/2023]
Abstract
Extensive growth of industries leads to uncontrolled ammonia releases to environment. This can result in significant degradation of the aquatic ecology as well as significant health concerns for humans. Knowing the mechanism of ammonia elimination is the simplest approach to comprehending it. Ammonia has been commonly converted to less hazardous substances either in the form of nitrate or nitrogen gas. Ammonia has been converted into nitrite by ammonia-oxidizing bacteria and further reduced to nitrate by nitrite-oxidizing bacteria in aerobic conditions. Denitrification takes place in an anoxic phase and nitrate is converted into nitrogen gas. It is challenging to remove ammonia by employing technologies that do not incur particularly high costs. Thus, this review paper is focused on biofilm reactors that utilize the nitrification process. Many research publications and patents on biofilm wastewater treatment have been published. However, only a tiny percentage of these projects are for full-scale applications, and the majority of the work was completed within the last few decades. The physicochemical approaches such as ammonia adsorption, coagulation-flocculation, and membrane separation, as well as conventional biological treatments including activated sludge, microalgae, and bacteria biofilm, are briefly addressed in this review paper. The effectiveness of biofilm reactors in removing ammonia was compared, and the microbes that effectively remove ammonia were thoroughly discussed. Overall, biofilm reactors can remove up to 99.7% ammonia from streams with a concentration in range of 16-900 mg/L. As many challenges were identified for ammonia removal using biofilm at a commercial scale, this study offers future perspectives on how to address the most pressing biofilm issues. This review may also improve our understanding of biofilm technologies for the removal of ammonia as well as polishing unit in wastewater treatment plants for the water reuse and recycling, supporting the circular economy concept.
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Affiliation(s)
- Maryam Zulkifli
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Hassimi Abu Hasan
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Siti Rozaimah Sheikh Abdullah
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Mohd Hafizuddin Muhamad
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
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Han J, Qiu Q, Gao M, Qiu L, Wang Y, Sun S, Song D, Ma J. Phosphorus removal from municipal wastewater through a novel Trichosporon asahii BZ: Performance and mechanism. CHEMOSPHERE 2022; 298:134329. [PMID: 35304214 DOI: 10.1016/j.chemosphere.2022.134329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 03/08/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
A yeast BZ was screened from a laboratory-scale anaerobic/aerobic reactor and designated as Trichosporon asahii through 26S rDNA gene sequence analysis. The screened BZ abated over 70% of phosphorus in municipal sewage with 2-10 mg/L phosphorus in the appropriate conditions. The yeast BZ had strong adaptability to pH and the dissolved oxygen, but the cultivation temperature, carbon source, the ratio of C/P and the ratio of N/P had a critical influence on the phosphorus abatement performance of yeast BZ. The analysis of phosphorus concentration in the wastewater, cells, and extracellular polymeric substances (EPS) suggested that about 55%-66% of the removed phosphorus was in the yeast cells and 34%-45% in the EPS. The proposed probable metabolic mechanism of phosphorus in yeast BZ showed that EPS acted as a dynamic phosphorous transfer station, and most of phosphorus was transferred into yeast cells through EPS transfer station. These findings have crucial implications for the development of a promising stable and easy-operation biological phosphorus abatement process for municipal wastewater treatment.
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Affiliation(s)
- Junli Han
- School of Civil Engineering and Architecture, University of Jinan, Jinan, 250022, China
| | - Qi Qiu
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Mingchang Gao
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Liping Qiu
- School of Civil Engineering and Architecture, University of Jinan, Jinan, 250022, China.
| | - Yan Wang
- School of Civil Engineering and Architecture, University of Jinan, Jinan, 250022, China
| | - Shaofang Sun
- School of Civil Engineering and Architecture, University of Jinan, Jinan, 250022, China.
| | - Dan Song
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China
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Hu J, Yang X, Deng X, Liu X, Yu J, Chi R, Xiao C. Isolation and Nitrogen Removal Efficiency of the Heterotrophic Nitrifying-Aerobic Denitrifying Strain K17 From a Rare Earth Element Leaching Site. Front Microbiol 2022; 13:905409. [PMID: 35756011 PMCID: PMC9216216 DOI: 10.3389/fmicb.2022.905409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 05/09/2022] [Indexed: 11/20/2022] Open
Abstract
K17, an indigenous and heterotrophic nitrifying-aerobic denitrifying bacterium, was isolated from the soil of a weathered crust elution-deposited rare earth ore leaching site in Longnan County, China. Strain K17 was identified as Pseudomonas mosselii. In this study, the morphological characteristics of strain K17 were observed and the optimal ammonia nitrogen removal conditions for the strain were studied using a single-factor experiment. Key enzyme activities were determined, and we also explored the ammonia nitrogen removal process of strain K17 on simulated leaching liquor of the rare earth element leaching site. Based on the determination of ammonia nitrogen removal and enzyme activity, it was found that strain K17 has both heterotrophic nitrifying and aerobic denitrifying activities. In addition, single-factor experiments revealed that the most appropriate carbon source for strain K17 was sodium citrate with a C/N ratio of 10 and an initial NH4+-N concentration of 100 mg/l. Furthermore, the optimal initial pH and rotation speed were 7 and 165 r/min, respectively. Under optimal conditions, the ammonia nitrogen removal efficiency of strain K17 was greater than 95%. As an indigenous bacterium, strain K17 has great potential for treating residual ammonium leaching solutions from rare earth element leaching sites.
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Affiliation(s)
- Jingang Hu
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Xinyu Yang
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Xiangyi Deng
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Xuemei Liu
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Junxia Yu
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Ruan Chi
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Chunqiao Xiao
- Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
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Dominic D, Baidurah S. Recent Developments in Biological Processing Technology for Palm Oil Mill Effluent Treatment-A Review. BIOLOGY 2022; 11:biology11040525. [PMID: 35453724 PMCID: PMC9031994 DOI: 10.3390/biology11040525] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 11/16/2022]
Abstract
Simple Summary Palm oil mill effluent (POME) requires treatment prior to discharge to the environment. Biological processing technology is highly preferable due to its advantages of environmentally friendliness, cost effectiveness, and practicality. These methods utilized various designs and modifications of bioreactors fostering effective fermentation technology in the presence of fungi, bacteria, microalgae, and a consortium of microorganisms. This review highlights the recent biological processing technology for POME treatment as a resource utilization. Abstract POME is the most voluminous waste generated from palm oil milling activities. The discharge of POME into the environment without any treatment processing could inflict an undesirable hazard to humans and the environment due to its high amount of toxins, organic, and inorganic materials. The treatment of POME prior to discharge into the environment is utmost required to protect the liability for human health and the environment. Biological treatments are preferable due to eco-friendly attributes that are technically and economically feasible. The goal of this review article is to highlight the current state of development in the biological processing technologies for POME treatment. These biological processing technologies are conducted in the presence of fungi, bacteria, microalgae, and a consortium of microorganisms. Numerous microbes are listed to identify the most efficient strain by monitoring the BOD, COD, working volume of the reactor, and treatment time. The most effective processing technology for POME treatment uses an upflow anaerobic sludge blanket reactor with the COD value of 99%, hydraulic retention time of 7.2 days, and a working volume of 4.7 litres. Biological processing technologies are mooted as an efficient and sustainable management practice of POME waste.
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Tan X, Yang YL, Li X, Gao YX, Fan XY. Multi-metabolism regulation insights into nutrients removal performance with adding heterotrophic nitrification-aerobic denitrification bacteria in tidal flow constructed wetlands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149023. [PMID: 34280639 DOI: 10.1016/j.scitotenv.2021.149023] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/06/2021] [Accepted: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Constructed wetlands (CWs) usually exhibit limits in functional redundancy and diversity of microbial community contributing to lower performances of nutrients removal in decentralized domestic sewage treatment. To address this quandary, heterotrophic nitrification-aerobic denitrification (HN-AD) bacteria was added in tidal flow CWs (TFCWs) developing for nitrogen (N) and phosphorus (P) removal. With addition of HN-AD bacteria, TFCWs could be setup more rapidly and obtained better removal efficiencies of 66.9%-70.1% total nitrogen (TN), and 88.2%-92.4% total phosphorus (TP) comparing with control systems (TN: 53.9%; TP: 83.9%) during stable operation. Typical-cycles variations showed that TFCWs with addition of HN-AD bacteria promoted NO3--N and NH4+-N removal respectively under hydraulic retention time (HRT) of 14 h and 8 h with slight NO2--N accumulation. Activated alumina (AA) coupled with HN-AD bacteria decreased P release and relieved its poor removal performance in CWs. Based on metagenomic taxa and functional annotation, Pseudomonas and Thauera played pivotal roles in N removal in TFCWs. Furthermore, gradient oxic environments by 8 h-HRT promoted co-occurrence of heterotrophic nitrifiers (mostly Pseudomonas stutzeri) and autotrophic nitrifiers (mostly Nitrosomonas europaea. and Nitrospira sp.) which potentially accelerated NH4+-N transformation by elevated nitrification and denitrification related genes (e. g. amoABC, hao, napA and nirS genes). Meanwhile, the addition of HN-AD bacteria stimulated nirA and gltD genes of N assimilation processes probably leading to NH4+-N directly removal. The conceptual model of multi-metabolism regulation by HN-AD process highlighted importance of glk, gap2 and PK genes in glycolysis pathway which were vital drivers to nutrients metabolism. Overall, this study provides insights into how ongoing HN-AD bacteria-addition effected microbial consortia and metabolic pathways, serving theoretical basis for its engineered applications of TFCWs in decentralized domestic sewage treatment.
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Affiliation(s)
- Xu Tan
- Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Yan-Ling Yang
- Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing 100124, P. R. China.
| | - Xing Li
- Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Yu-Xi Gao
- Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Xiao-Yan Fan
- Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing 100124, P. R. China.
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Hou P, Sun X, Fang Z, Feng Y, Guo Y, Wang Q, Chen C. Simultaneous removal of phosphorous and nitrogen by ammonium assimilation and aerobic denitrification of novel phosphate-accumulating organism Pseudomonas chloritidismutans K14. BIORESOURCE TECHNOLOGY 2021; 340:125621. [PMID: 34325396 DOI: 10.1016/j.biortech.2021.125621] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 06/13/2023]
Abstract
Pseudomonas chloritidismutans K14, a novel phosphate-accumulating organism with the capacity to perform ammonium assimilation, aerobic denitrification, and phosphorus removal, was isolated from aquaculture sediments. It produced no hemolysin, and showed susceptibility to most antibiotics. Optimum conditions were achieved with sodium pyruvate as a carbon source, a C/N ratio of 10, pH of 7.5, temperature of 27 °C, P/N ratio of 0.26, and shaking at 140 rpm. Under optimum conditions, the highest removal efficiencies of ammonium, nitrite, and nitrate were 99.82%, 99.11%, and 99.78%, respectively; the corresponding removal rates were 6.27, 4.51, and 4.99 mg/L/h. The strain removed over 98% of phosphorus, and over 87% of chemical oxygen demand. The highest biomass nitrogen during ammonium assimilation was 99.18 mg/L; no gaseous nitrogen was produced. The genes involved in nitrogen and phosphorus removal were amplified by PCR. This study demonstrated the potential application prospects of strain K14 for nitrogen and phosphorus removal.
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Affiliation(s)
- Pengfei Hou
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China
| | - Xueliang Sun
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China; College of Environmental Science and Engineering, Tianjin University, Tianjin 300073, China
| | - Zhanming Fang
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China
| | - Yongyi Feng
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China
| | - Yingying Guo
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China
| | - Qingkui Wang
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China
| | - Chengxun Chen
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, Tianjin 300384, China.
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Rout PR, Shahid MK, Dash RR, Bhunia P, Liu D, Varjani S, Zhang TC, Surampalli RY. Nutrient removal from domestic wastewater: A comprehensive review on conventional and advanced technologies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 296:113246. [PMID: 34271353 DOI: 10.1016/j.jenvman.2021.113246] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 06/13/2021] [Accepted: 07/07/2021] [Indexed: 05/06/2023]
Abstract
Nitrogen and phosphorous are indispensable for growth and vitality of living beings, hence termed as nutrients. However, discharge of nutrient rich waste streams to aquatic ecosystems results in eutrophication. Therefore, nutrient removal from wastewater is crucial to meet the strict nutrient discharge standards. Similarly, nutrient recovery from waste streams is vital for the realization of a circular economy by avoiding the depletion of finite resources. This manuscript presents analysis of existing information on different conventional as well as advanced treatment technologies that are commonly practiced for the removal of nutrient from domestic wastewater. First, the information pertaining to the biological nutrient removal technologies are discussed. Second, onsite passive nutrient removal technologies are reviewed comprehensively. Third, advanced nutrient removal technologies are summarized briefly. The mechanisms, advantages, and disadvantages of these technologies along with their efficiencies and limitations are discussed. An integrated approach for simultaneous nutrient removal and recovery is recommended. The fifth section of the review highlights bottlenecks and potential solutions for successful implementation of the nutrient removal technologies. It is anticipated that the review will offer an instructive overview of the progress in nutrient removal and recovery technologies and will illustrate necessity of further investigations for development of efficient nutrient removal and recovery processes.
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Affiliation(s)
- Prangya Ranjan Rout
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Muhammad Kashif Shahid
- Department of Environmental Engineering, Chungnam National University, Republic of Korea
| | - Rajesh Roshan Dash
- School of Infrastructure, Indian Institute of Technology Bhubaneswar, India
| | - Puspendu Bhunia
- School of Infrastructure, Indian Institute of Technology Bhubaneswar, India
| | - Dezhao Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, China
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, 382 010, Gujarat, India.
| | - Tian C Zhang
- Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, Omaha, NE, 68182, USA
| | - Rao Y Surampalli
- Global Institute for Energy, Environment and Sustainability, Kansas, USA
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Su H, Zhang D, Antwi P, Xiao L, Zhang Z, Deng X, Lai C, Zhao J, Deng Y, Liu Z, Shi M. Adaptation, restoration and collapse of anammox process to La(III) stress: Performance, microbial community, metabolic function and network analysis. BIORESOURCE TECHNOLOGY 2021; 325:124731. [PMID: 33486412 DOI: 10.1016/j.biortech.2021.124731] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/09/2021] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
During the mining of rare earth mineral, the use of lanthanum-containing fertilizers, and the disposal of lanthanum-containing electronic products, the content of lanthanum (La(III)) in typical ammonia wastewater with low carbon to nitrogen ratio is increasing day by day. Here, effects of La(III) on anammox process in performance, microbial community structure, metabolic function, and microbial co-occurrence network were investigated. The results shown that the nitrogen removal efficiency was declines briefly and then gradually recovers after low dosage (1-5 mg/L) La(III) treatment and the decrease to low level (24.25 ± 1.74%) under high La(III) dosage (10 mg/L). La(III) in the range of 1-5 mg/L significantly promoted the relative abundance of Anammoxoglobus (0.024% to 9.762%). The blocking of key metabolic pathways was confirmed to cause the breakdown of anammox by PICRUSt. Furthermore, network analysis revealed that lack of cooperation bacteria limits the activity of Anammoxoglobus.
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Affiliation(s)
- Hao Su
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Dachao Zhang
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China.
| | - Philip Antwi
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Longwen Xiao
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Zhidan Zhang
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Xiaoyu Deng
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Cheng Lai
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Jiejun Zhao
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Yukun Deng
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Zuwen Liu
- Jiangxi University of Science and Technology, School of Resources Environmental Engineering, Jiangxi Province, Ganzhou City 341000, China
| | - Miao Shi
- Ganzhou Eco-Environmental Engineering Investment Company Limited, Jiangxi Province, Ganzhou City 341000, China
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Su Z, Li Y, Pan L, He Z, Liu L, Zhang M. Nitrogen removal performance, quantitative detection and potential application of a novel aerobic denitrifying strain, Pseudomonas sp. GZWN4 isolated from aquaculture water. Bioprocess Biosyst Eng 2021; 44:1237-1251. [PMID: 33599872 DOI: 10.1007/s00449-021-02523-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 01/28/2021] [Indexed: 11/25/2022]
Abstract
A novel Pseudomonas sp. GZWN4 with the aerobic nitrogen removal ability was isolated from aquaculture water, whose removal efficiency of NO2--N, NO3--N and NH4+-N was 99.72%, 82.54% and 98.62%, respectively. The key genes involved in nitrogen removal, nxr, napA, narI, nirS, norB and nosZ, were successfully amplified and by combination with the results of nitrogen balance analysis, it was inferred that the denitrification pathway of strain GZWN4 was NO3--N → NO2--N → NO → N2O → N2. The strain GZWN4 had excellent nitrite removal performance at pH 7.0-8.5, temperature 25-30 ℃, C/N ratio 5-20, salinity 8-32‰ and dissolved oxygen concentration 2.52-5.73 mg L-1. The receivable linear correlation (R2 = 0.9809) was obtained with the range of quantification between l03 and 108 CFU mL-1 of the strain by enzyme-linked immunosorbent assay. Strain GZWN4 could maintain high abundance in the actual water and wastewater of mariculture and the removal efficiency of TN were 52.57% and 63.64%, respectively. The safety evaluation experiment showed that the strain GZWN4 had no hemolysis and high biosecurity toward shrimp Litopenaeus vannamei. The excellent nitrogen removal ability and adaptability to aquaculture environment made strain GZWN4 a promising candidate for treatment of water and wastewater in aquaculture.
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Affiliation(s)
- Zhaopeng Su
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China
| | - Yun Li
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China.
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China
| | - Ziyan He
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China
| | - Liping Liu
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China
| | - Mengyu Zhang
- The Key Laboratory of Mariculture, Ministry of Education, Fisheries College, Ocean University of China, Yushan Road 5, Qingdao, 266003, Shandong, China
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11
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Shukla S, Rajta A, Setia H, Bhatia R. Simultaneous nitrification-denitrification by phosphate accumulating microorganisms. World J Microbiol Biotechnol 2020; 36:151. [PMID: 32924078 DOI: 10.1007/s11274-020-02926-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 09/05/2020] [Indexed: 12/24/2022]
Abstract
Nitrogen and phosphorous are important inorganic water pollutants that pose a major threat to the environment and health of both humans and animals. The physical and chemical ways to remove these pollutants from water and soil are expensive and harsh, so biological removal becomes the method of choice to alleviate the problem without any side effects. The identification of microorganisms capable of simultaneous heterotrophic nitrification and aerobic denitrification has greatly simplified the sequestration of nitrogen from ammonium (NH4+) into dinitrogen (N2). Further, the discovery of phosphorous accumulating organisms offers greater economic benefits because these organisms can favourably and simultaneously remove both nitrogen and phosphorous from wastewaters hence reducing the nutrient burden. The stability of the system and removal efficiency of inorganic pollutants can be enhanced by the use of immobilized organisms. However, limited work has been done so far in this direction and there is a need to further the efforts towards refining process efficiency by testing low-cost substrates and diverse microbial populations for the total eradication of these contaminants from wastewaters.
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Affiliation(s)
- Shivani Shukla
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Ankita Rajta
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Hema Setia
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Ranjana Bhatia
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, 160014, India.
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12
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Ammonium removal characteristics of heterotrophic nitrifying bacterium Pseudomonas stutzeri GEP-01 with potential for treatment of ammonium-rich wastewater. Bioprocess Biosyst Eng 2020; 43:959-969. [DOI: 10.1007/s00449-020-02292-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 01/14/2020] [Indexed: 01/19/2023]
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13
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Yang W, Shi X, Wang J, Chen W, Zhang L, Zhang W, Zhang X, Lu J. Fabrication of a Novel Bifunctional Nanocomposite with Improved Selectivity for Simultaneous Nitrate and Phosphate Removal from Water. ACS APPLIED MATERIALS & INTERFACES 2019; 11:35277-35285. [PMID: 31465193 DOI: 10.1021/acsami.9b08826] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Phosphorus and nitrogen compounds are both the main sources of eutrophication and coexist in some municipal effluents or eutrophic waters; elimination of phosphorus and nitrogen from wastewater is becoming an imperative but also a hard task. Herein, an innovative bifunctional nanocomposite HFO@TPR was developed for synchronous nitrate/phosphate elimination from water. A macroporous polystyrene microspheres modified with triethylamine functional groups was synthesized as the host of HFO@TPR for selective nitrate removal, and Fe(III) hydroxide (HFO) nanoparticles were implanted inside as the active species for specific phosphate removal. Compared to other commercial adsorbents, HFO@TPR exhibited outstanding selectivity and preference toward nitrates and phosphates, and the coexisting anions exert an insignificant effect on adsorption performance. Such exceptional bifuntionality of HFO@TPR was achieved through two pathways, that is, nitrate was preferentially adsorbed by the fixed triethylamine groups through the electrostatic attraction, and phosphate was preferentially captured by the encapsulated HFO nanoparticles through the inner-sphere complexation. The exhausted HFO@TPR could be effectively regenerated by using a NaOH-NaCl mixed reagent for cyclic use with a relative constant efficiency. In addition, column adsorption experiments demonstrated that HFO@TPR could eliminate nitrate from 18 to <10 mg N/L with the treatment capacity of ∼600 bed volume (BV), and meanwhile remove phosphate from 2.5 to <0.2 mg P/L with the treatment capacity of ∼750 BV. We believe what we found in this study could advance the method on how to develop bifunctional adsorbents for synchronous removal of coexisting contaminants from water.
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Affiliation(s)
- Wenlan Yang
- School of the Environmental Science and Engineering , Yangzhou University , Yangzhou 225000 , P. R. China
| | - Xinxing Shi
- School of the Environmental Science and Engineering , Yangzhou University , Yangzhou 225000 , P. R. China
| | - Jicheng Wang
- School of the Environmental Science and Engineering , Yangzhou University , Yangzhou 225000 , P. R. China
| | - Wenjing Chen
- School of the Environmental Science and Engineering , Yangzhou University , Yangzhou 225000 , P. R. China
| | - Lili Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials , Huaiyin Normal University , Huaian 223300 , P. R. China
| | - Weiming Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , P. R. China
| | - Xiaolin Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , P. R. China
| | - Jilai Lu
- Jiangsu Provincial Key Laboratory of Environmental Engineering , Nanjing 210036 , P. R. China
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14
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Mu L, Zhou Q, Zhao Y, Liu X, Hu X. Graphene oxide quantum dots stimulate indigenous bacteria to remove oil contamination. JOURNAL OF HAZARDOUS MATERIALS 2019; 366:694-702. [PMID: 30583239 DOI: 10.1016/j.jhazmat.2018.12.044] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 06/09/2023]
Abstract
Oil spills occur frequently worldwide, resulting in severe damage to water and to human health. Polycyclic aromatic hydrocarbons (PAHs) are the primary toxic components in oil contamination. PAH-degrading microbes have attracted significant attention, but difficulty in their selection and proliferation limits their applications. Graphene oxide quantum dots (GOQDs) improve the proliferation of an indigenous PAH-degrading strain, Bacillus cereus, more effectively than large graphene oxide flakes. Bacillus cereus can metabolize a variety of xenobiotic aromatic compounds as carbon sources and is used in bioremediation. GOQDs contain a variety of aromatic hydrocarbon structures, explaining why the bacteria achieve strong tolerance to PAHs. GOQD-activated cytokinesis increases the secretion of substances important for biofilm formation (extracellular polymeric substances), which further accelerates PAH removal. Proteomic analysis reveals the molecular mechanisms underlying GOQD-induced microbial proliferation. GOQDs induce the overexpression of microbial divisomal proteins associated with division initiation, DNA replication and peptidoglycan hydrolysis/synthesis. Importantly, PAH removal mediated by GOQD-treated Bacillus cereus does not require the addition of GOQDs. The effects of GOQDs on a strain persist for at least 20 generations, suggesting their possible use in low-cost applications. This work proposes a strategy to remove oil contamination using an indigenous bacterial system enhanced by nanomaterials.
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Affiliation(s)
- Li Mu
- Key Laboratory for Environmental Factors Control of Agro-Product Quality Safety (Ministry of Agriculture), Tianjin Key Laboratory of Agro-Environment and Safe-Product, Institute of Agro-Environmental Protection, Ministry of Agriculture, Tianjin 300191, China
| | - Qixing Zhou
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education)/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yujie Zhao
- Key Laboratory for Environmental Factors Control of Agro-Product Quality Safety (Ministry of Agriculture), Tianjin Key Laboratory of Agro-Environment and Safe-Product, Institute of Agro-Environmental Protection, Ministry of Agriculture, Tianjin 300191, China
| | - Xiaowei Liu
- Key Laboratory for Environmental Factors Control of Agro-Product Quality Safety (Ministry of Agriculture), Tianjin Key Laboratory of Agro-Environment and Safe-Product, Institute of Agro-Environmental Protection, Ministry of Agriculture, Tianjin 300191, China.
| | - Xiangang Hu
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education)/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
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15
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Ferrentino R, Langone M, Andreottola G. Progress toward full scale application of the anaerobic side-stream reactor (ASSR) process. BIORESOURCE TECHNOLOGY 2019; 272:267-274. [PMID: 30359880 DOI: 10.1016/j.biortech.2018.10.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/09/2018] [Accepted: 10/11/2018] [Indexed: 06/08/2023]
Abstract
In order to reduce the investment costs of the anaerobic side-stream reactor (ASSR) process coupled with an activated sludge system and promote the full scale application, the impact of 1 d anaerobic solid retention time (SRTASSR) and 100% interchange ratio (IR) has been investigated on sludge reduction, carbon and nutrient removal efficiency and microbial community, in a sequencing batch reactor (SBR)-ASSR system. The SBR-ASSR achieved good removal efficiencies in COD (91.5 ± 3.4%), ammonium nitrogen (98.8 ± 0.5%), total nitrogen (87.9 ± 4.9%) and phosphate (92.8 ± 6.7). The sludge yield of the system was 0.1648 g TSS g-1COD; 54% lower compared to a conventional activated sludge (CAS) system. Real time quantitative polymerase chain reaction (q-PCR) showed an abundance of hydrolyzing and fermentative bacteria. Comparison at class and genus level confirmed an abundance of anaerobic hydrolyzing and fermentative bacteria, denitrifying bacteria able to simultaneous perform nitrogen and phosphate removal and phosphate accumulating organisms.
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Affiliation(s)
- R Ferrentino
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 30123 Trento, Italy.
| | - M Langone
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 30123 Trento, Italy
| | - G Andreottola
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, 30123 Trento, Italy
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