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Imtiaz F, Rashid J, Kumar R, Eniola JO, Barakat MAEF, Xu M. Recent advances in visible light driven inactivation of bloom forming blue-green algae using novel nano-composites: Mechanism, efficiency and fabrication approaches. ENVIRONMENTAL RESEARCH 2024; 248:118251. [PMID: 38278506 DOI: 10.1016/j.envres.2024.118251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/21/2023] [Accepted: 01/07/2024] [Indexed: 01/28/2024]
Abstract
Over the years, algae have proved to be a water pollutant due to global warming, climate change, and the unregulated addition of organic compounds in water bodies from diffused resources. Harmful algal blooms (HABs) are severely affecting the health of humans and aquatic ecosystems. Among available anti-blooming technologies, semiconductor photocatalysis has come forth as an effective alternative. In the recent past, literature has been modified extensively with a decisive knowledge regarding algal invasion, desired preparation of nanomaterials with enhanced visible light absorption capacity and mechanisms for algal cell denaturation. The motivation behind this review article was to gather algal inactivation data in a systematic way based on various research studies, including the construction of nanoparticles and purposely to test their anti-algal activities under visible irradiation. Additionally, this article mentions variety of starting materials employed for preparation of various nano-powders with focus on their synthesis routes, analytical techniques as well as proposed mechanisms for lost cellular integrity in context of reduced chlorophyll' a' level, cell rapture, cell leakage and damages to other physiological constituents; credited to oxidative damage initiated by reactive oxidation species (ROS). Various floating and recyclable composited catalysts Ag2CO3-N: GO, Ag/AgCl@ZIF-8, Ag2CrO4-g-C3N4-TiO2/mEP proved to be game-changers owing to their enhanced VL absorption, adsorption, stability, separation and reusability. An outlook for the generalized limitations of published reports, cost estimations for practical implementation, issues and challenges faced by nano-photocatalysts and possible opportunities for future studies are also proposed. This review will be able to provide vast insights for coherent fabrication of catalysts, breakthroughs in experimental methodologies and help in elaboration of damage mechanisms.
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Affiliation(s)
- Fatima Imtiaz
- Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Jamshaid Rashid
- Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan; BNU-HKUST Laboratory for Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai, 519087, China.
| | - Rajeev Kumar
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jamiu O Eniola
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohamed Abou El-Fetouh Barakat
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Central Metallurgical R & D Institute, Helwan, 11421, Cairo, Egypt
| | - Ming Xu
- BNU-HKUST Laboratory for Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai, 519087, China.
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Ajayan KV, Chaithra PJ, Sridharan K, Sruthi P, Harikrishnan E, Harilal CC. Synergistic influence of iodine and hydrogen peroxide towards the degradation of harmful algal bloom of Microcystis aeruginosa. ENVIRONMENTAL RESEARCH 2023; 237:116926. [PMID: 37598850 DOI: 10.1016/j.envres.2023.116926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/03/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
Cyanobacterial blooming due to the influence of temperature and increased nutrients in ponds/lakes aided by the runoff from agricultural lands, is a serious environmental issue. The presence of cyanotoxins in water may poison the health of aquatic organisms, animals, and humans. In this study, we focus on chemical assisted degradation of Microcystis aeruginosa- an alga that is of special relevance owing to its consistent blooming, especially in tropical regions. The study aims to ascertain the individual iodine (I) and hydrogen peroxide (H2O2) and their combination (hereinafter referred to as IH) effects on the degradation of Microcystis aeruginosa. As expected, the collected pond water revealed the presence of metal ions viz., Ni, Zn, Pb, Cu and Mn, which enriched the blooming of M. aeruginosa. Interestingly, a complete rupture of the cells - pigment loss, biochemical degradation and oxidative damage-was observed by the IH solution after exposure for ∼9 h under ambient conditions. In comparison to control (original water without chemicals), the addition IH completely eliminated the pigments phycocyanin (99.5%) and allophycocyanin (98%), and degraded ∼81% and 91% of carbohydrates and proteins, respectively due to the synergistic action of I and H. Superior degradation of algae through a simple and eco-friendly approach presented in this study could be explored more effectively towards its large-scale applicability.
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Affiliation(s)
- K V Ajayan
- Biomass Laboratory, Environmental Science Division, Department of Botany, University of Calicut, Tenjipalam, Malappuram, Kerala, 673 635, India.
| | - P J Chaithra
- Department of Environmental Science, University of Calicut, Tenjipalam, Malappuram, Kerala, 673635, India
| | - Kishore Sridharan
- Department of Nanoscience and Technology, University of Calicut, Tenjipalam, Malappuram, Kerala, 673635, India
| | - P Sruthi
- PG Department of Botany, Payyanur College, Kannur University, Edat, 670327, Kerala, India
| | - E Harikrishnan
- PG Department of Botany, Payyanur College, Kannur University, Edat, 670327, Kerala, India
| | - C C Harilal
- Biomass Laboratory, Environmental Science Division, Department of Botany, University of Calicut, Tenjipalam, Malappuram, Kerala, 673 635, India; Department of Environmental Science, University of Calicut, Tenjipalam, Malappuram, Kerala, 673635, India.
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Rashid J, Imtiaz F, Xu M, Savina IN. Hydrogen peroxide modified and bismuth vanadate decorated titanium dioxide nanocomposite (BiVO 4@HMT) for enhanced visible light photocatalytic growth inhibition of harmful cyanobacteria in water. RSC Adv 2022; 12:31338-31351. [PMID: 36349036 PMCID: PMC9623613 DOI: 10.1039/d2ra05317a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/25/2022] [Indexed: 12/23/2022] Open
Abstract
The persistence of harmful cyanobacterial algal blooms in aquatic ecosystems leads to health damage for various life forms. In this study, a photocatalyst active in the visible light range was prepared by combining BiVO4 with hydrogen peroxide modified titanium dioxide (BiVO4@HMT; for short), using an impregnation method. The catalyst was used to photocatalytically inhibit the growth of cyanobacteria collected from a bloom site. To infer the optimum pH for cyanobacterial growth, the effect of pH was studied. The growth of cyanobacteria was favoured in an alkaline environment at pH values in the range of 8-9.5 when analysed on the 20th day of incubation. Structural and chemical analysis of pristine and composite nano-powders was performed using XRD, SEM, TEM and XPS, confirming the heterojunction formation, while optical and band gap analysis revealed increased visible light absorption and reduced band gap of the composite. A small strawberry seed-like assembly of BiVO4 particles increased the light absorption in the 15%BiVO4@HMT composite and increased the inhibition efficiency up to 2.56 times compared to pristine HMT at an exposure time of 6 h and cell concentration at 0.1 g L-1 with an optimum catalyst dose of 1 g L-1. The amount of chlorophyll 'a' decreased due to the generation of catalytically reactive species, especially holes (h+), which caused oxidative damage to the cell wall, cell membrane and antioxidants in algal cells. This study reports that visible light active nanocatalysts can be used as a promising method for reducing algal blooms in water bodies.
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Affiliation(s)
- Jamshaid Rashid
- BNU-HKUST Laboratory for Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at ZhuhaiZhuhai 519087China,Department of Environmental Science, Faculty of Biological Sciences, Quaid-I-Azam UniversityIslamabad 45320Pakistan
| | - Fatima Imtiaz
- Department of Environmental Science, Faculty of Biological Sciences, Quaid-I-Azam UniversityIslamabad 45320Pakistan
| | - Ming Xu
- BNU-HKUST Laboratory for Green Innovation, Advanced Institute of Natural Sciences, Beijing Normal University at ZhuhaiZhuhai 519087China
| | - Irina N. Savina
- School of Applied Sciences, University of BrightonHuxley Building, Lewes RoadBrighton BN2 4GJUK
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Hu L, Wang R, Wang M, Xu Y, Wang C, Liu Y, Chen J. Research progress of photocatalysis for algae killing and inhibition: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:47902-47914. [PMID: 35522403 DOI: 10.1007/s11356-022-20645-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/02/2022] [Indexed: 06/14/2023]
Abstract
The healthy development of biodiversity has been threatened frequent water eutrophication. In recent years, photocatalytic technology, which has attracted researchers' attention, not only showed increasing potential in the field of organic pollutant degradation, but also many kinds of photocatalysts were used in the field of red tide pollution control at present, which showed superior ability to inactivate harmful algae and degrade algal toxins. Researches have also explored the mechanisms of photocatalytic algae inhibition. In this study, the current research progress in the field of photocatalytic algae inhibition was systematically discussed from several aspects, such as common types of photocatalysts, modification methods of photocatalysts, types of tested algae for photocatalytic algae inhibition, and action mechanism of inactivated algae cells, so as to provide a certain theoretical basis for further application research of photocatalysts in the field of algae removal in the later period.
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Affiliation(s)
- Lijun Hu
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Renjun Wang
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Mengjiao Wang
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Yuling Xu
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Chao Wang
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Yanyan Liu
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Junfeng Chen
- School of Life Science, Qufu Normal University, Qufu, 273165, People's Republic of China.
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Lu J, Bie J, Fu S, Wu J, Huang Q, He P, Yang Z, Zhang X, Zhu H, Deng P. Construction of a novel two-dimensional AgBiO 3/BiOBr step-scheme heterojunction for enhanced broad-spectrum photocatalytic performance. RSC Adv 2022; 12:20628-20639. [PMID: 35919135 PMCID: PMC9289813 DOI: 10.1039/d2ra03157d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/09/2022] [Indexed: 11/21/2022] Open
Abstract
Efficient S-scheme heterojunction photocatalysts were prepared through in situ growth of AgBiO3 on BiOBr.
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Affiliation(s)
- Jianhong Lu
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, Henan, China
| | - Junhong Bie
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, Henan, China
| | - Shuai Fu
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Jiaqi Wu
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, Henan, China
| | - Qiang Huang
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Pengli He
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Zhe Yang
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Xiuji Zhang
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Huijie Zhu
- School of Environmental and Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, Henan, China
- Henan International Joint Laboratory of New Civil Engineering Structure, College of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, Henan, PR China
| | - Peiyuan Deng
- Henan Engineering Research Center of Bird-related Outage, Zhengzhou Normal University, Zhengzhou 450044, Henan, China
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Recent advances on silver-based photocatalysis: Photocorrosion inhibition, visible-light responsivity enhancement, and charges separation acceleration. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120194] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Wang X, Wang X, Ma R, Zhang J, Song J, Wang J, Chen F. Efficient elimination of the pollutants in eutrophicated water with carbon strengthened expanded graphite based photocatalysts: Unveiling the synergistic role of metal sites. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125729. [PMID: 34492776 DOI: 10.1016/j.jhazmat.2021.125729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/11/2021] [Accepted: 03/19/2021] [Indexed: 06/13/2023]
Abstract
Metal sites (Ni, Bi or Ag) were introduced into carbon strengthened expanded graphite (CEG) based photocatalysts, and performed as a novel strategy to enhance the elimination of Microcystis aeruginosa and microcystin-LR from water. Results show that metal doping can efficiently improve the adsorption of harmful algae and enhance the photocatalytic activities in inactivation of harmful algae and degradation of MC-LR. Among the CEG catalysts, Ni-CEG can achieve the highest removal rate up to 90.6% for algal cells with 5 h visible light irradiation, while Bi-CEG catalyst provides the best performance for MC-LR degradation with the removal rate of 80.9% in 6 h visible light irradiation. In general, considering the coexistence of algal cells and microcystin-LR, Bi-CEG is proved to be an excellent candidate for the remediation of eutrophicated waters since it can achieve the efficient removal of both harmful algae and MC-LR. DFT calculations indicate that metal doping can transform the photocatalysts into n-type semiconductor, and provide the mid-gap state. In addition, the partial charge density distribution near Fermi level was mainly composed by the metal dopants, which can enhance the interaction with harmful algae and MC-LR.
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Affiliation(s)
- Xin Wang
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environment Protection Materials, Guangdong Provincial Engineering Technology Research Center for Wastewater Management and Treatment, School of Environment, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
| | - Xuejiang Wang
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Rongrong Ma
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jing Zhang
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jingke Song
- School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, Henan Normal University, Xinxiang 453007, China
| | - Jun Wang
- School of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, China.
| | - Fuming Chen
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environment Protection Materials, Guangdong Provincial Engineering Technology Research Center for Wastewater Management and Treatment, School of Environment, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China.
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Kim HS, Park YH, Nam K, Kim S, Choi YE. Amination of cotton fiber using polyethyleneimine and its application as an adsorbent to directly remove a harmful cyanobacterial species, Microcystis aeruginosa, from an aqueous medium. ENVIRONMENTAL RESEARCH 2021; 197:111235. [PMID: 33933491 DOI: 10.1016/j.envres.2021.111235] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
In the present study, we applied an adsorption-based strategy for the removal of a harmful cyanobacterial species, Microcystis aeruginosa, using cotton fiber. Considering the negatively charged surface properties of M. aeruginosa cells in aqueous phases, aminated cotton fibers were prepared through polyethyleneimine (PEI) modification on the pristine cotton fibers. The aminated surface properties of PEI-modified cotton fiber (PEI-cotton) were confirmed by Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and potentiometric titration analyses. The pristine cotton fiber could not remove the M. aeruginosa cells, but the PEI-cotton could efficiently remove 98.7% of M. aeruginosa cells from the aqueous medium. In addition, removed cells could be observed on the sorbent surface by field emission scanning electron microscopy (FE-SEM) analysis. PEI-cotton fabricated in 3% PEI solution could remove M. aeruginosa cells (97.9%) more efficiently compared to that fabricated in 1% (82.1%) and 2% (86.2%) of PEI solutions. From the toxicity assessment of the PEI-cotton using Daphnia magna, negligible toxicity of PEI-cotton was confirmed. Our results indicate that the application of PEI-cotton fibers for the removal of M. aeruginosa cells could be suggested as a feasible, effective, and eco-friendly method of harmful algal bloom (HAB) control in water resources.
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Affiliation(s)
- Ho Seon Kim
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Yun Hwan Park
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Kwiwoong Nam
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Sok Kim
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea; OJeong Eco-Resilience Institute, Korea University, Seoul, 02841, Republic of Korea.
| | - Yoon-E Choi
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea.
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Bismuth-Graphene Nanohybrids: Synthesis, Reaction Mechanisms, and Photocatalytic Applications—A Review. ENERGIES 2021. [DOI: 10.3390/en14082281] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Photocatalysis is a classical solution to energy conversion and environmental pollution control problems. In photocatalysis, the development and exploration of new visible light catalysts and their synthesis and modification strategies are crucial. It is also essential to understand the mechanism of these reactions in the various reaction media. Recently, bismuth and graphene’s unique geometrical and electronic properties have attracted considerable attention in photocatalysis. This review summarizes bismuth-graphene nanohybrids’ synthetic processes with various design considerations, fundamental mechanisms of action, heterogeneous photocatalysis, benefits, and challenges. Some key applications in energy conversion and environmental pollution control are discussed, such as CO2 reduction, water splitting, pollutant degradation, disinfection, and organic transformations. The detailed perspective of bismuth-graphene nanohybrids’ applications in various research fields presented herein should be of equal interest to academic and industrial scientists.
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Kim HS, Park YH, Kim S, Choi YE. Application of a polyethylenimine-modified polyacrylonitrile-biomass waste composite fiber sorbent for the removal of a harmful cyanobacterial species from an aqueous solution. ENVIRONMENTAL RESEARCH 2020; 190:109997. [PMID: 32739269 DOI: 10.1016/j.envres.2020.109997] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/03/2020] [Accepted: 07/23/2020] [Indexed: 05/27/2023]
Abstract
Cyanobacterial harmful algal blooms (Cyano-HABs) in water resources involving algal species such as Microcystis aeruginosa have become a serious environmental issue due to their severely negative effects. In the present study, an adsorption-based strategy was employed to control M. aeruginosa, with industrial waste-derived Escherichia coli biomass valorized to produce polyethylenimine-modified polyacrylonitrile-E. coli biomass composite fiber (PEI-PANBF). PEI-PANBF removed approximately 80% of M. aeruginosa cells from an aqueous solution without causing any cell damage. Interestingly, the thickness of PEI-PANBF had a strong influence on the efficiency of M. aeruginosa cell removal. In addition, PEI-PANBF simultaneously removed M. aeruginosa cells and their toxic secondary metabolite, microcystin-LR, from aqueous media. Thus, our proposed fiber represents a feasible utilization method of industrial waste biomass as a biosorbent for the control of Cyano-HABs.
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Affiliation(s)
- Ho Seon Kim
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Yun Hwan Park
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Sok Kim
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea; BK21 Plus Eco-Leader Education Center, Korea University, Seoul, 02841, Republic of Korea.
| | - Yoon-E Choi
- Division of Environmental Science & Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea.
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Abstract
In this study, we attempted to synthesize visible light active nano-sized photocatalysts using metal oxides such as zinc oxide, zirconium oxide, tungsten oxide, and strontium titanium oxide with (MoCl5)2 as a dopant by the simple ball-milling method. Fourier-transform infrared spectroscopy data confirmed the presence of M-O-Mo linkage (M = Zn, Zr, W, and SrTi) in all the molybdenum-doped metal oxides (MoMOs), but only MoZnO inhibited the growth of the bloom-forming Microcystis aeruginosa under visible light in a concentration-dependent manner up to 10 mg/L. Further, structural characterization of MoZnO using FESEM and XRD exhibited the formation of typical hexagonal wurtzite nanocrystals of approximately 4 nm. Hydroxyl radical (·OH), reactive oxygen species (ROS), and lipid peroxidation assays revealed ·OH generated by MoZnO under the visible light seemed to cause peroxidation of the lipid membrane of M. aeruginosa, which led to an upsurge of intracellular ROS and consequently introduced the agglomeration of cyanobacteria. These results demonstrated that nano-sized MoZnO photocatalyst can be easily synthesized in a cost-effective ball-mill method and utilized for biological applications such as the reduction of harmful algal blooms. Further, our study implies that a simple ball-milling method can provide an easy, green, and scalable route for the synthesis of visible light active doped metal oxides.
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12
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Adsorption Strategy for Removal of Harmful Cyanobacterial Species Microcystis aeruginosa Using Chitosan Fiber. SUSTAINABILITY 2020. [DOI: 10.3390/su12114587] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Microcystis aeruginosa is one of the predominant species responsible for cyanobacterial-harmful algal blooms (Cyano-HABs) in water bodies. Cyano-HABs pose a growing number of serious threats to the environment and public health. Therefore, the demand for developing safe and eco-friendly solutions to control Cyano-HABs is increasing. In the present study, the adsorptive strategy using chitosan was applied to remove M. aeruginosa cells from aqueous phases. Using a simple immobilization process, chitosan could be fabricated as a fiber sorbent (chitosan fiber, CF). By application of CF, almost 89% of cyanobacterial cells were eliminated, as compared to those in the control group. Field emission scanning electron microscopy proved that the M. aeruginosa cells were mainly attached to the surface of the sorbent, which was correlated well with the measurement of the surface area of the fiber. We tested the hypothesis that massive applications of the fabricated CF to control Cyano-HABs might cause environmental damage. However, the manufactured CF displayed negligible toxicity. Moreover, we observed that the release of cyanotoxins and microcystins (MCs), during the removal process using CF, could be efficiently prevented by a firm attachment of the M. aeruginosa cells without cell lysis. Our results suggest the possibility of controlling Cyano-HABs using a fabricated CF as a non-toxic and eco-friendly agent for scaled-up applications.
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Rokesh K, Sakar M, Do T. Calcium Bismuthate (CaBiO
3
): A Potential Sunlight‐Driven Perovskite Photocatalyst for the Degradation of Emerging Pharmaceutical Contaminants. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900265] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
| | - Mohan Sakar
- Department of Chemical EngineeringLaval University Quebec G1V0A6 Canada
- Centre for Nano and Material SciencesJain University Bangalore 562112 India
| | - Trong‐On Do
- Department of Chemical EngineeringLaval University Quebec G1V0A6 Canada
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14
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Can the photocatalyst TiO2 be incorporated into a wastewater treatment method? Background and prospects. Catal Today 2020. [DOI: 10.1016/j.cattod.2018.10.020] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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15
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Wang X, Wang X, Song J, Li Y, Wang Z, Gao Y. A highly efficient TiOX (X = N and P) photocatalyst for inactivation of Microcystis aeruginosa under visible light irradiation. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.04.034] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Boruah B, Gupta R, Modak JM, Madras G. Novel insights into the properties of AgBiO3 photocatalyst and its application in immobilized state for 4-nitrophenol degradation and bacteria inactivation. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.11.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Fan G, Zhou J, Zheng X, Chen W. Growth Inhibition of Microcystis aeruginosa by Copper-based MOFs: Performance and Physiological Effect on Algal Cells. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4600] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Gongduan Fan
- College of Civil Engineering; Fuzhou University; 350116 Fujian China
- Department of Chemical & Environmental Engineering; University of Arizona; 1133 E James E Rogers Way, Harshbarger 108 Tucson AZ 85721-0011 USA
| | - Jinjin Zhou
- College of Civil Engineering; Fuzhou University; 350116 Fujian China
| | - Xiaomei Zheng
- College of Civil Engineering; Fuzhou University; 350116 Fujian China
| | - Wei Chen
- College of Civil Engineering; Fuzhou University; 350116 Fujian China
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Adsorptive removal of harmful algal species Microcystis aeruginosa directly from aqueous solution using polyethylenimine coated polysulfone-biomass composite fiber. Biodegradation 2018; 29:349-358. [PMID: 29943215 DOI: 10.1007/s10532-018-9840-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 06/22/2018] [Indexed: 01/27/2023]
Abstract
In recent times, the treatment of harmful algal blooms (HABs) became an important environmental issue to preserve and remediate water resources globally. In the present study, the adsorptive removal of harmful algal species Microcystis aeruginosa directly from an aqueous medium was attempted. Waste biomass (Escherichia coli) was immobilized using polysulfone and coated using the cationic polymer polyethylenimine (PEI) to generate PEI-coated polysulfone-biomass composite fiber (PEI-PSBF). The density of M. aeruginosa in an aqueous medium (BG11) was significantly decreased by treatment with PEI-PSBF. additionally, analysis using FE-SEM, confirmed that the removal of M. aeruginosa algal cells by PEI-PSBF was caused by the adsorption mechanism. According to the profiles of phosphorus for the algal cell growth in M. aeruginosa cultivating samples, we found that the adsorbed M. aeruginosa onto the PEI-PSBF lost their biological activity compared to the non-treated M. aeruginosa cells.
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Wang X, Wang X, Zhao J, Song J, Su C, Wang Z. Surface modified TiO 2 floating photocatalyst with PDDA for efficient adsorption and photocatalytic inactivation of Microcystis aeruginosa. WATER RESEARCH 2018; 131:320-333. [PMID: 29306666 DOI: 10.1016/j.watres.2017.12.062] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 12/16/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
Microcystis aeruginosa, as the most common cyanobacteria, often grows uncontrollably in eutrophic lakes with the accumulation of microcystin-LR (MC-LR) in water, which heavily pollutes water and hence imposes tremendous threat to aquatic animals and human beings. To remediate the harmful algae polluted water, here we synthesize a series of poly dimethyl diallyl ammonium chloride (PDDA) modified TiO2 floating photocatalysts, PDDA@NPT-EGC, and apply them as a visible light driven multifunctional material. The fabricated PDDA@NPT-EGC composites have a worm-like structure with PDDA particles distributed on their surfaces, and the concentration of PDDA can affect the agglomerative condition and distribution of PDDA particles and the photoelectric properties of catalysts. Among these catalysts, the PDDA@NPT-EGC with 0.2 wt% PDDA (0.2PDDA@NPT-EGC) shows the highest adsorption and photocatalytic activity. Compared with the NPT-EGC, the dark adsorption efficiency for the 0.2PDDA@NPT-EGC after 3 h increases from 70.4% to 88.9%, and the total removal efficiency after visible light irradiation for 2 h increases from 77.8% to 92.6%. In addition, the 0.2PDDA@NPT-EGC exhibits a removal efficiency of 96.55% for photocatalytic degradation of MC-LR after irradiation for 3 h. The Adda side chain of MC-LR molecule is found to degradate gradually in the photocatalytic degradation process, indicative of the elimination of biotoxicity for MC-LR molecule in the reaction. We demonstrate that the 0.2PDDA@NPT-EGC is remarkably competitive in both algae inactivation and MC-LR removal, which shall hold substantial promise in remediation of algae pollution in eutrophic waters.
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Affiliation(s)
- Xin Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China; SZU-NUS Collaborative Innovation Center for Optoelectronics Science and Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China; International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, Braga, 4715-330 Portugal
| | - Xuejiang Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Jianfu Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jingke Song
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Chenliang Su
- SZU-NUS Collaborative Innovation Center for Optoelectronics Science and Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Zhongchang Wang
- International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, Braga, 4715-330 Portugal.
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Wang X, Wang X, Zhao J, Song J, Zhou L, Ma R, Wang J, Tong X, Chen Y. Efficient visible light-driven in situ photocatalytic destruction of harmful alga by worm-like N,P co-doped TiO2/expanded graphite carbon layer (NPT-EGC) floating composites. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00133a] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Preparation of N,P co-doped TiO2/expanded graphite carbon layer (NPT-EGC) composites for floating algaecides.
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Affiliation(s)
- Xin Wang
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
- School of Civil and Environmental Engineering
| | - Xuejiang Wang
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
| | - Jianfu Zhao
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
| | - Jingke Song
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
| | - Lijie Zhou
- Shenzhen Academy of Environmental Sciences
- Shenzhen 518001
- China
| | - Rongrong Ma
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
| | - Jiayi Wang
- College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse
- Tongji University
- Shanghai 200092
- China
| | - Xin Tong
- School of Civil and Environmental Engineering
- Georgia Institute of Technology
- Atlanta 30332
- USA
| | - Yongsheng Chen
- School of Civil and Environmental Engineering
- Georgia Institute of Technology
- Atlanta 30332
- USA
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Meng X, Zhang Z. Bismuth-based photocatalytic semiconductors: Introduction, challenges and possible approaches. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.07.030] [Citation(s) in RCA: 359] [Impact Index Per Article: 44.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Gu N, Gao J, Wang K, Li B, Dong W, Ma Y. Microcystis aeruginosa inhibition by Zn–Fe–LDHs as photocatalyst under visible light. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.04.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Xu H, Pei H, Xiao H, Li X, Ma C, Hu W. Inactivation of Microcystis aeruginosa by hydrogen-terminated porous Si wafer: Performance and mechanisms. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 158:23-9. [DOI: 10.1016/j.jphotobiol.2016.02.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 01/15/2016] [Accepted: 02/22/2016] [Indexed: 10/22/2022]
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A dye-sensitized visible light photocatalyst-Bi24O31Cl10. Sci Rep 2014; 4:7384. [PMID: 25488704 PMCID: PMC4260216 DOI: 10.1038/srep07384] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 11/19/2014] [Indexed: 11/25/2022] Open
Abstract
The p-block semiconductors are regarded as a new family of visible-light photocatalysts because of their dispersive and anisotropic band structures as well as high chemical stability. The bismuth oxide halides belong to this family and have band structures and dispersion relations that can be engineered by modulating the stoichiometry of the halogen elements. Herein, we have developed a new visible-light photocatalyst Bi24O31Cl10 by band engineering, which shows high dye-sensitized photocatalytic activity. Density functional theory calculations reveal that the p-block elements determine the nature of the dispersive electronic structures and narrow band gap in Bi24O31Cl10. Bi24O31Cl10 exhibits excellent visible-light photocatalytic activity towards the degradation of Rhodamine B, which is promoted by dye sensitization due to compatible energy levels and high electronic mobility. In addition, Bi24O31Cl10 is also a suitable photoanode material for dye-sensitized solar cells and shows power conversion efficiency of 1.5%.
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A review on visible light active perovskite-based photocatalysts. Molecules 2014; 19:19995-20022. [PMID: 25532834 PMCID: PMC6271878 DOI: 10.3390/molecules191219995] [Citation(s) in RCA: 164] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 11/13/2014] [Accepted: 11/16/2014] [Indexed: 12/12/2022] Open
Abstract
Perovskite-based photocatalysts are of significant interest in the field of photocatalysis. To date, several perovskite material systems have been developed and their applications in visible light photocatalysis studied. This article provides a review of the visible light (λ > 400 nm) active perovskite-based photocatalyst systems. The materials systems are classified by the B site cations and their crystal structure, optical properties, electronic structure, and photocatalytic performance are reviewed in detail. Titanates, tantalates, niobates, vanadates, and ferrites form important photocatalysts which show promise in visible light-driven photoreactions. Along with simple perovskite (ABO3) structures, development of double/complex perovskites that are active under visible light is also reviewed. Various strategies employed for enhancing the photocatalytic performance have been discussed, emphasizing the specific advantages and challenges offered by perovskite-based photocatalysts. This review provides a broad overview of the perovskite photocatalysts, summarizing the current state of the work and offering useful insights for their future development.
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He R, Cao S, Zhou P, Yu J. Recent advances in visible light Bi-based photocatalysts. CHINESE JOURNAL OF CATALYSIS 2014. [DOI: 10.1016/s1872-2067(14)60075-9] [Citation(s) in RCA: 372] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Bismuth(V)-Containing Semiconductor Compounds and Applications in Heterogeneous Photocatalysis. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/978-1-4614-8121-8_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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