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Madhogaria B, Banerjee S, Kundu A, Dhak P. Efficacy of new generation biosorbents for the sustainable treatment of antibiotic residues and antibiotic resistance genes from polluted waste effluent. INFECTIOUS MEDICINE 2024; 3:100092. [PMID: 38586544 PMCID: PMC10998275 DOI: 10.1016/j.imj.2024.100092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/01/2023] [Accepted: 12/12/2023] [Indexed: 04/09/2024]
Abstract
Antimicrobials are frequently used in both humans and animals for the treatment of bacterially-generated illnesses. Antibiotic usage has increased for more than 40% from last 15 years globally per day in both human populations and farm animals leading to the large-scale discharge of antibiotic residues into wastewater. Most antibiotics end up in sewer systems, either directly from industry or healthcare systems, or indirectly from humans and animals after being partially metabolized or broken down following consumption. To prevent additional antibiotic compound pollution, which eventually impacts on the spread of antibiotic resistance, it is crucial to remove antibiotic residues from wastewater. Antibiotic accumulation and antibiotic resistance genes cannot be effectively and efficiently eliminated by conventional sewage treatment plants. Because of their high energy requirements and operating costs, many of the available technologies are not feasible. However, the biosorption method, which uses low-cost biomass as the biosorbent, is an alternative technique to potentially address these problems. An extensive literature survey focusing on developments in the field was conducted using English language electronic databases, such as PubMed, Google Scholar, Pubag, Google books, and ResearchGate, to understand the relative value of the available antibiotic removal methods. The predominant techniques for eliminating antibiotic residues from wastewater were categorized and defined by example. The approaches were contrasted, and the benefits and drawbacks were highlighted. Additionally, we included a few antibiotics whose removal from aquatic environments has been the subject of extensive research. Lastly, a few representative publications were identified that provide specific information on the removal rates attained by each technique. This review provides evidence that biosorption of antibiotic residues from biological waste using natural biosorbent materials is an affordable and effective technique for eliminating antibiotic residues from wastewater.
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Affiliation(s)
- Barkha Madhogaria
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Sangeeta Banerjee
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
- Department of Chemistry, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Atreyee Kundu
- Department of Microbiology, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
| | - Prasanta Dhak
- Department of Chemistry, Techno India University, West Bengal, EM-4 Sector-V, Salt Lake City, Kolkata 700091, West Bengal, India
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Picão BW, Gonçalves DO, Ribeiro RMMGP, Esperança MN, Peixoto G, Cerri MO. Oxygen transfer and gas holdup in airlift bioreactors assembled with helical flow promoters. Bioprocess Biosyst Eng 2023; 46:681-692. [PMID: 36806976 DOI: 10.1007/s00449-023-02853-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 02/08/2023] [Indexed: 02/23/2023]
Abstract
Bioreactors can perform biochemical conversions mediated by biocatalysts, such as enzymes, animal cells, plants, and microorganisms. Among several existing models, airlift bioreactors are devices with the low shear environment and good mass transfer with low energy consumption, employed in several biochemical processes. The fluid flow is enabled through air injection by the sparger located at the bioreactor base. Despite its simple geometry compared with the conventional bioreactors, airlift performance can be optimized via geometrical modifications. Therefore, the objective of this work was to evaluate the effects of the addition of helical flow promoters, positioned in the riser and/or downcomer regions of an airlift of concentric tubes measuring the volumetric oxygen coefficient (kLa) and gas holdup. The results obtained by varying the gas flow rate from 1.0 to 4.0 vvm allowed the system evaluation of oxygen transfer and gas holdup. The inclusion of helical flow promoters increased the kLa, reaching up to 23% in oxygen transfer compared to tests without helicoids and up to 14% increase in the gas holdup. The inclusion of helical flow promotors was beneficial for all gas flow rates. Thus, including these flow promoters is an effective strategy to increase the oxygen transfer rate for bioprocess optimization.
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Affiliation(s)
- Bruno W Picão
- Department of Bioprocesses Engineering and Biotechnology, Faculty of Pharmaceutical Sciences, University Estadual Paulista "Júlio de Mesquita Filho", Araraquara, SP, CEP 14801-902, Brazil
| | - Daniele O Gonçalves
- Department of Bioprocesses Engineering and Biotechnology, Faculty of Pharmaceutical Sciences, University Estadual Paulista "Júlio de Mesquita Filho", Araraquara, SP, CEP 14801-902, Brazil
| | - Renata M M G P Ribeiro
- School of Chemical Engineering, Department of Materials and Engineering Bioprocesses, State University of Campinas, Campinas, SP, Brazil
| | - Mateus N Esperança
- Federal Institute of Education, Science and Technology of São Paulo, Campus Capivari, Capivari, SP, 13360-000, Brazil
| | - Guilherme Peixoto
- Department of Bioprocesses Engineering and Biotechnology, Faculty of Pharmaceutical Sciences, University Estadual Paulista "Júlio de Mesquita Filho", Araraquara, SP, CEP 14801-902, Brazil
| | - Marcel O Cerri
- Department of Bioprocesses Engineering and Biotechnology, Faculty of Pharmaceutical Sciences, University Estadual Paulista "Júlio de Mesquita Filho", Araraquara, SP, CEP 14801-902, Brazil.
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Wang X, Nong S, Li J, Liu Y, Wu Q, Huang Z, Xu B, Ding J. Biochemical characterization of an acetylesterase from Bacillus subtilis and its application for 7-aminocephalosporanic acid deacetylation. Front Microbiol 2023; 14:1164815. [PMID: 37206334 PMCID: PMC10189120 DOI: 10.3389/fmicb.2023.1164815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/30/2023] [Indexed: 05/21/2023] Open
Abstract
Deacetyl-7-aminocephalosporanic acid (D-7-ACA), which could be converted from 7-aminocephalosporanic acid (7-ACA), is a crucial starting material that is used for synthesizing industrial semisynthetic β-lactam antibiotics. Enzymes involved in the conversion from 7-ACA to D-7-ACA present critical resources in the pharmaceutical industry. In the present study, a putative acetylesterase, EstSJ, identified from Bacillus subtilis KATMIRA1933, was first heterologously expressed in Escherichia coli BL21(DE3) cells and biochemically characterized. EstSJ belongs to carbohydrate esterase family 12 and is active on short-chain acyl esters from p-NPC2 to p-NPC6. Multiple sequence alignments showed that EstSJ was also an SGNH family esterase with a typical GDS(X) motif at its N-terminal end and a catalytic triad composed of Ser186-Asp354-His357. The purified EstSJ displayed the highest specific activity of 1,783.52 U mg-1 at 30°C and pH 8.0, and was stable within the pH range of 5.0-11.0. EstSJ can deacetylate the C3' acetyl group of 7-ACA to generate D-7-ACA, and the deacetylation activity was 4.50 U mg-1. Based on the structural and molecular docking with 7-ACA, the catalytic active sites (Ser186-Asp354-His357) together with four substrate-binding residues (Asn259, Arg295, Thr355, and Leu356) of EstSJ are revealed. This study provided a promising 7-ACA deacetylase candidate that could be applied to produce D-7-ACA from 7-ACA in the pharmaceutical industry.
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Li L, Xu X, Wang W, Lau R, Wang CH. Hydrodynamics and mass transfer of concentric-tube internal loop airlift reactors: A review. BIORESOURCE TECHNOLOGY 2022; 359:127451. [PMID: 35716864 DOI: 10.1016/j.biortech.2022.127451] [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: 05/03/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
The concentric-tube internal loop airlift reactor is a typical reactor configuration which has been adopted for a myriad of chemical and biological processes. The reactor hydrodynamics (including mixing) and the mass transfer between the gas and liquid phases remarkably affect the operational conditions and thus are crucial to the overall reactor performance. Hence, this study aims at providing a thorough description of the basic concepts and a comprehensive review of the relevant reported studies on the hydrodynamics and mass transfer of the concentric-tube internal loop airlift reactors, taking microalgae cultivation as an exemplary application. In particular, the reactor characteristics, geometry, CFD modeling, experimental characterization, and scale up considerations are elucidated. The research gaps for future research and development are also identified.
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Affiliation(s)
- Lifeng Li
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering drive 4, 117585, Singapore
| | - Xiaoyun Xu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering drive 4, 117585, Singapore
| | - Wujun Wang
- Department of Energy Technology, KTH Royal Institute of Technology, Brinellvägen 68, 100 44 Stockholm, Sweden
| | - Raymond Lau
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459, Singapore
| | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering drive 4, 117585, Singapore; Energy and Environmental Sustainability Solutions for Megacities (E2S2), Campus for Research Excellence and Technological Enterprise (CREATE), 138602, Singapore.
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Hu D, Luo K, Ma H, Min H, Zhao Y, Cui Y, Wang S, Ning N, Zhang L, Liu W. A sustainability anti-infective pharmaceutical wastewater treatment technology: multi-stage vertical variable diameter membrane bioreactor with DO online controlling. BIORESOURCE TECHNOLOGY 2020; 311:123507. [PMID: 32413642 DOI: 10.1016/j.biortech.2020.123507] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/29/2020] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
The proper choice of dissolved oxygen (DO) is important in aerobic treatment. In this paper, a multi-stage vertical variable diameter membrane bioreactor was developed to treat pharmaceutical wastewater containing 6-APA and ceftriaxone sodium. In the 180 days of operation, the performance of COD, BOD5, 6-APA, ceftriaxone sodium removal, sludge index, and microbial enzyme activity under different DOs (from 0.5 to 6.0 mg/L) were investigated. The results showed that the optimal range of DO was 1.5-2.1 mg/L, and the highest removal rates of COD and BOD5 were observed 87.3%±2.4% and 95.3%±1.8%, the corresponding effluent COD and BOD5 were 189 mg/L and 24 mg/L, respectively. To reduce the energy consumption and ensure stability of DO in the reactor, a control strategy based on an improved differential evolution BP fuzzy neural network was built and found that the performance and cost of the controlled DO were improved effectively than that of uncontrolled DO.
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Affiliation(s)
- Dongxue Hu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Kongyan Luo
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Haitao Ma
- College of Electrical and Electronic Engineering, Changchun University of Technology, Changchun 13000, PR China.
| | - Hongchao Min
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Yuanyi Zhao
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Yubo Cui
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Shanshan Wang
- College of Electrical and Electronic Engineering, Changchun University of Technology, Changchun 13000, PR China
| | - Nan Ning
- College of Electrical and Electronic Engineering, Changchun University of Technology, Changchun 13000, PR China
| | - Lufeng Zhang
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Wenyu Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
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