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Rai A, Sirotiya V, Ahirwar A, Singh G, Kawatra R, Sharma AK, Harish, Vinayak V. Textile dye removal using diatomite nanocomposites: a metagenomic study in photosynthetic microalgae-assisted microbial fuel cells. RSC Adv 2025; 15:8300-8314. [PMID: 40103993 PMCID: PMC11912554 DOI: 10.1039/d5ra00793c] [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: 02/03/2025] [Accepted: 03/03/2025] [Indexed: 03/20/2025] Open
Abstract
In this study, Coomassie brilliant blue (CBB), brilliant green (BG), and rhodamine (Rh) dyes were used to simulate dye-rich wastewater. Adsorption and degradation of these dyes (2 μM, 10 μM, and 30 μM) on diatomite (DE) were evaluated under light (L) and dark (D) conditions. The adsorption of dye-DE composites followed pseudo-second-order kinetics at all concentrations and conditions had R 2 > 0.99, thus showing a good fit. The calculated equilibrium adsorption amount q e,(cal) was coherent with the value of experimental q e,(exp). The poorest adsorption and photocatalysis occurred at 30 μM, prompting the functionalization of dyes with TiO2 and Fe3O4 nanoparticles (NP(s)). The highest dye degradation efficiencies (DGeff) for 30 μM dyes were 86.79% (CBB-DE-Fe3O4, 72 h), 96.10% (BG-DE-TiO2, 52 h), and 81.74% (Rh-DE-TiO2, 48 h), with Rh-DE-TiO2 showing the fastest degradation. Functionalized DE-dye (30 μM) nanocomposites were further tested in a photosynthetic microalgae-assisted microbial fuel cell with dye-simulated wastewater at the anode (PMA-MFC-1 with CBB-DE-Fe3O4, PMA-MFC-2 with BG-DE-TiO2 and PMA-MFC-3 with Rh-DE-TiO2) and Asterarcys sp. GA4 microalgae at the cathode. In dark anode chambers, PMA-MFC-3 achieved the highest DGeff value of Rh dye as 88.23% and a polarization density of 30.06 mW m-2, outperforming PMA-MFC-2 with BG dye and PMA-MFC-1 with CBB dye. The molecular identifier analysis of microbes in wastewater at the anode showed the dominance of Sphingobacteria and Proteobacteria in PMA-MFC-3 (Rh-DE-TiO2) and COD removal of 61.36%, highlighting its potential for efficient dye degradation and bioelectricity generation. Furthermore, PMA-MFC-3 simultaneously demonstrated a superior microalgal lipid yield of 3.42 μg g-1 and an algal growth of 8.19 μg g-1 at the cathode.
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Affiliation(s)
- Anshuman Rai
- MMU, Deemed University, School of Engineering, Department of Biotechnology Ambala Haryana 133203 India
- Forensic Science Laboratory Haryana Madhuban 132037 India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory, Dr Harisingh Gour Central University, School of Applied Science Sagar M.P India 470003
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory, Dr Harisingh Gour Central University, School of Applied Science Sagar M.P India 470003
| | - Gurpreet Singh
- Diatom Nanoengineering and Metabolism Laboratory, Dr Harisingh Gour Central University, School of Applied Science Sagar M.P India 470003
| | - Rajeev Kawatra
- Forensic Science Laboratory Haryana Madhuban 132037 India
| | - Anil K Sharma
- Department of Biotechnology, Amity School of Biological Sciences, Amity University Punjab Mohali 140306 Punjab India
| | - Harish
- Department of Botany, Mohanlal Sukhadia University Udaipur Rajasthan 313001 India
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory, Dr Harisingh Gour Central University, School of Applied Science Sagar M.P India 470003
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Verma P, Sirotiya V, Rathore R, Kumar A, Rai A, Soni U, Khalid M, Yadav KK, Vinayak V. A comprehensive review on microalgal chromium detoxification in tannery wastewater: Paving the way for biobased products. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 2024; 190:240-255. [DOI: 10.1016/j.psep.2024.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2025]
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Vicente-Garcia C, Vona D, Milano F, Buscemi G, Grattieri M, Ragni R, Farinola GM. Living Diatom Microalgae for Desiccation-Resistant Electrodes in Biophotovoltaic Devices. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:11120-11129. [PMID: 39099648 PMCID: PMC11292591 DOI: 10.1021/acssuschemeng.4c00935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 08/06/2024]
Abstract
Strategies of renewable energy production from photosynthetic microorganisms are gaining great scientific interest as ecosustainable alternatives to fossil fuel depletion. Green microalgae have been thoroughly investigated as living components to convert solar energy into photocurrent in biophotovoltaic (BPV) cells. Conversely, the suitability of diatoms in BPV cells has been almost completely unexplored so far, despite being the most abundant class of photosynthetic microorganisms in phytoplankton and of their good adaptability and resistance to harsh environmental conditions, including dehydration, high salinity, nutrient starvation, temperature, or pH changes. Here, we demonstrate the suitability of a series of diatom species (Phaeodactylum tricornutum, Thalassiosira weissflogii, Fistulifera pelliculosa, and Cylindrotheca closterium), to act as biophotoconverters, coating the surface of indium tin oxide photoanodes in a model BPV cell. Effects of light intensity, cell density, total chlorophyll content, and concentration of the electrochemical mediator on photocurrent generation efficiency were investigated. Noteworthily, biophotoanodes coated with T. weissflogii diatoms are still photoactive after 15 days of dehydration and four rewetting cycles, contrary to analogue electrodes coated with the model green microalga Dunaliella tertiolecta. These results provide the first evidence that diatoms are suitable photosynthetic microorganisms for building highly desiccation-resistant biophotoanodes for durable BPV devices.
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Affiliation(s)
- Cesar Vicente-Garcia
- Dipartimento
di Chimica, Università Degli Studi
di Bari “Aldo Moro”, Bari I-70126, Italy
| | - Danilo Vona
- Dipartimento
di Scienze Del Suolo, Della Pianta e Degli Alimenti, Università Degli Studi di Bari “Aldo Moro”, Bari I-70126, Italy
| | - Francesco Milano
- Istituto
di Scienze Delle Produzioni Alimentari, Consiglio Nazionale Delle Ricerche, Lecce I-73100, Italy
| | - Gabriella Buscemi
- Dipartimento
di Chimica, Università Degli Studi
di Bari “Aldo Moro”, Bari I-70126, Italy
| | - Matteo Grattieri
- Dipartimento
di Chimica, Università Degli Studi
di Bari “Aldo Moro”, Bari I-70126, Italy
| | - Roberta Ragni
- Dipartimento
di Chimica, Università Degli Studi
di Bari “Aldo Moro”, Bari I-70126, Italy
| | - Gianluca M. Farinola
- Dipartimento
di Chimica, Università Degli Studi
di Bari “Aldo Moro”, Bari I-70126, Italy
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Kashyap M, Chakraborty S, Kumari A, Rai A, Varjani S, Vinayak V. Strategies and challenges to enhance commercial viability of algal biorefineries for biofuel production. BIORESOURCE TECHNOLOGY 2023; 387:129551. [PMID: 37506948 DOI: 10.1016/j.biortech.2023.129551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
The rise in energy consumption would quadruple in the coming century and the, existing energy resources might be insufficient to meet the demand of the growing population. An alternative and sustainable energy resource is therefore needed to address the fossil fuel deficiency. The utility of microalgae strains in the aspect of biorefinery has been in research for quite some time. Algal biorefinery is an alternate way of renewable energy however even after decades of research it still suffers from commercialization bottlenecks. The current manuscript reviews the scenarios where the innovation needs an ignition for its commercialization. This review discusses the prospects of up-scale cultivation, and harvesting algal biomass for biorefineries. It narrates algal biorefinery hurdles that can be solved using integrated technology approach, life cycle assessment and applications of nanotechnology. The review also sheds light upon the ties of algal biorefineries with its economic viability.
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Affiliation(s)
- Mrinal Kashyap
- Porter School of Earth and Environment Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Sukanya Chakraborty
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP 470003, India
| | - Anamika Kumari
- Porter School of Earth and Environment Sciences, Tel Aviv University, Tel Aviv 6997801, Israel; Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP 470003, India
| | - Anshuman Rai
- Department of Biotechnology, School of Engineering, Maharishi Markandeshwar University, Ambala, Haryana 133203, India; State Forensic Science Laboratory, Haryana, Madhuban 132037, India
| | - Sunita Varjani
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon 999077, Hong Kong; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248 007, Uttarakhand, India
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP 470003, India.
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Das S, Raj R, Das S, Ghangrekar MM. Evaluating application of photosynthetic microbial fuel cell to exhibit efficient carbon sequestration with concomitant value-added product recovery from wastewater: A review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:98995-99012. [PMID: 35661302 DOI: 10.1007/s11356-022-21184-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
The emission of CO2 from industrial (24%) and different anthropogenic activities, like transportation (27%), electricity production (25%), and agriculture (11%), can lead to global warming, which in the long term can trigger substantial climate changes. In this regard, CO2 sequestration and wastewater treatment in tandem with bioenergy production through photosynthetic microbial fuel cell (PMFC) is an economical and sustainable intervention to address the problem of global warming and elevating energy demands. Therefore, this review focuses on the application of different PMFC as a bio-refinery approach to produce biofuels and power generation accompanied with the holistic treatment of wastewater. Moreover, CO2 bio-fixation and electron transfer mechanism of different photosynthetic microbiota, and factors affecting the performance of PMFC with technical feasibility and drawbacks are also elucidated in this review. Also, low-cost approaches such as utilization of bio-membrane like coconut shell, microbial growth enhancement by extracellular cell signalling mechanisms, and exploitation of genetically engineered strain towards the commercialization of PMFC are highlighted. Thus, the present review intends to guide the budding researchers in developing more cost-effective and sustainable PMFCs, which could lead towards the commercialization of this inventive technology.
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Affiliation(s)
- Swati Das
- PK Sinha Centre for Bioenergy & Renewables, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Rishabh Raj
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Sovik Das
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Makarand M Ghangrekar
- PK Sinha Centre for Bioenergy & Renewables, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Khan MJ, Ahirwar A, Sirotiya V, Rai A, Varjani S, Vinayak V. Nanoengineering TiO 2 for evaluating performance in dye sensitized solar cells with natural dyes. RSC Adv 2023; 13:22630-22638. [PMID: 37501775 PMCID: PMC10369046 DOI: 10.1039/d3ra02927a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/17/2023] [Indexed: 07/29/2023] Open
Abstract
The current study employs nanoengineering diatom and TiO2 NPs to form diatom-Si-TiO2 nanoengineered structures to fabricate a dye sensitized solar cell (DSSC) (DsTnas-DSSC). This was characterized and spin coated on a Fluorine-doped Tin Oxide (FTO) anode plate. The counter cathode was prepared by spin coating graphene oxide on a FTO glass plate and using Lugol's iodine as an electrolyte. The power density of DsTnas-DSSC was estimated with different natural dyes in comparison to conventional photosensitive ruthenium dye. It was found that the natural dyes extracted from plants and microalgae show significant power efficiencies in DSSC. The percentage efficiency of maximum power densities (PDmax) of DsTnas-DSSC obtained with photosensitive dyes were 9.4% with synthetic ruthenium dye (control) and 7.19% > 4.08% > 0.72% > 0.58% > 0.061% from natural dyes found in Haematococcus pluvialis (astaxanthin) > Syzygium cumini (anthocyanin) > Rosa indica (anthocyanin) > Hibiscus rosa-sinensis (anthocyanin) > Beta vulgaris (betalains), respectively. Among all the natural dyes used, the PDmax for the control ruthenium dye was 6.164 mW m-2 followed by the highest in astaxanthin natural dye from Haematococcus pluvialis (5.872 mW m-2). Overall, the use of natural dye DsTnas-DSSC makes the fuel cell low cost and an alternative to conventional expensive, metal and synthetic dyes.
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Affiliation(s)
- Mohd Jahir Khan
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University Sagar MP 470003 India
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University Sagar MP 470003 India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University Sagar MP 470003 India
| | - Anshuman Rai
- School of Engineering, Department of Biotechnology, Maharishi Markendeshwar University Ambala Haryana 133203 India
- State Forensic Science Laboratory Haryana Madhuban 132037 India
| | - Sunita Varjani
- School of Energy and Environment, City University of Hong Kong Tat Chee Avenue Kowloon 999077 Hong Kong
- Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies Dehradun-248 007 Uttarakhand India
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University Sagar MP 470003 India
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Mourya M, Khan MJ, Sirotiya V, Ahirwar A, Schoefs B, Marchand J, Varjani S, Vinayak V. Enhancing the biochemical growth of Haematococcus pluvialis by mitigation of broad-spectrum light stress in wastewater cultures. RSC Adv 2023; 13:17611-17620. [PMID: 37313002 PMCID: PMC10258810 DOI: 10.1039/d3ra01530k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/22/2023] [Indexed: 06/15/2023] Open
Abstract
In this study, the microalgae Haematococcus pluvialis were cultivated in wastewater inoculated into low-density polypropylene plastic air pillows (LDPE-PAPs) under a light stress. The cells were irradiated to different light stresses using white LED lights (WLs) as the control, and broad-spectrum lights (BLs) as a test for the period of 32 days. It was observed that the inoculum (70 × 102 mL-1 cells) of H. pluvialis algal cells increased almost 30 and 40 times in WL and BL, respectively, at day 32 coherent to its biomass productivity. Higher lipid concentration of up to 36.85 μg mL-1 was observed in BL irradiated cells compared to 13.215 μg L-1 dry weight of biomass in WL. The chlorophyll 'a' content was 2.6 times greater in BL (3.46 μg mL-1) compared to that in WL (1.32 μg mL-1) with total carotenoids being about 1.5 times greater in BL compared to WL on day 32. The yield of red pigment 'Astaxanthin' was about 27% greater in BL than in WL. The presence, of different carotenoids including astaxanthin was also confirmed by HPLC, whereas fatty acid methyl esters (FAMEs) were confirmed by GC-MS. This study further confirmed that wastewater alongwith with light stress is suitable for the biochemical growth of H. pluvialis with good biomass yield as well as carotenoid accumulation. Additionally there was 46% reduction in chemical oxygen demand (COD) in a far more efficient manner when cultured in recycled LDPE-PAP. Such type of cultivation of H. pluvialis made the overall process economical and suitable for upscaling to produce value-added products such as lipids, pigments, biomass, and biofuel for commercial applications.
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Affiliation(s)
- Megha Mourya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Hari Singh Gour Central University Sagar MP 470003 India
| | - Mohd J Khan
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Hari Singh Gour Central University Sagar MP 470003 India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Hari Singh Gour Central University Sagar MP 470003 India
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Biology of Organisms, Stress, Health and Environment, Le Mans University, IUML - FR 3473 CNRS Le Mans France
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Hari Singh Gour Central University Sagar MP 470003 India
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Biology of Organisms, Stress, Health and Environment, Le Mans University, IUML - FR 3473 CNRS Le Mans France
| | - Benoit Schoefs
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Biology of Organisms, Stress, Health and Environment, Le Mans University, IUML - FR 3473 CNRS Le Mans France
| | - Justine Marchand
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Biology of Organisms, Stress, Health and Environment, Le Mans University, IUML - FR 3473 CNRS Le Mans France
| | - Sunita Varjani
- School of Energy and Environment, City University of Hong Kong Tat Chee Avenue Kowloon 999077 Hong Kong
- Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies Dehradun-248 007 Uttarakhand India
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Hari Singh Gour Central University Sagar MP 470003 India
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Chakraborty S, Bashir Y, Sirotiya V, Ahirwar A, Das S, Vinayak V. Role of bacterial quorum sensing and quenching mechanism in the efficient operation of microbial electrochemical technologies: A state-of-the-art review. Heliyon 2023; 9:e16205. [PMID: 37215776 PMCID: PMC10199210 DOI: 10.1016/j.heliyon.2023.e16205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/24/2023] Open
Abstract
Microbial electrochemical technologies (METs) are a group of innovative technologies that produce valuables like bioelectricity and biofuels with the simultaneous treatment of wastewater from microorganisms known as electroactive microorganisms. The electroactive microorganisms are capable of transferring electrons to the anode of a MET through various metabolic pathways such as direct (via cytochrome or pili) or indirect (through transporters) transfer. Though this technology is promising, the inferior yield of valuables and the high cost of reactor fabrication are presently impeding the large-scale application of this technology. Therefore, to overcome these major bottlenecks, a lot of research has been dedicated to the application of bacterial signalling, for instance, quorum sensing (QS) and quorum quenching (QQ) mechanisms in METs to improve its efficacy in order to achieve a higher power density and to make it more cost-effective. The QS circuit in bacteria produces auto-inducer signal molecules, which enhances the biofilm-forming ability and regulates the bacterial attachment on the electrode of METs. On the other hand, the QQ circuit can effectively function as an antifouling agent for the membranes used in METs and microbial membrane bioreactors, which is imperative for their stable long-term operation. This state-of-the-art review thus distinctly describes in detail the interaction between the QQ and QS systems in bacteria employed in METs to generate value-added by-products, antifouling strategies, and the recent applications of the signalling mechanisms in METs to improve their yield. Further, the article also throws some light on the recent advancements and the challenges faced while incorporating QS and QQ mechanisms in various types of METs. Thus, this review article will help budding researchers in upscaling METs with the integration of the QS signalling mechanism in METs.
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Affiliation(s)
- Sukanya Chakraborty
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Yasser Bashir
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Mer Molecules Santé, Le Mans University, IUML - FR 3473 CNRS, Le Mans, France
| | - Sovik Das
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
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Astaxanthin as a King of Ketocarotenoids: Structure, Synthesis, Accumulation, Bioavailability and Antioxidant Properties. Mar Drugs 2023; 21:md21030176. [PMID: 36976225 PMCID: PMC10056084 DOI: 10.3390/md21030176] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Astaxanthin (3,3-dihydroxy-β, β-carotene-4,4-dione) is a ketocarotenoid synthesized by Haematococcus pluvialis/lacustris, Chromochloris zofingiensis, Chlorococcum, Bracteacoccus aggregatus, Coelastrella rubescence, Phaffia rhodozyma, some bacteria (Paracoccus carotinifaciens), yeasts, and lobsters, among others However, it is majorly synthesized by Haematococcus lacustris alone (about 4%). The richness of natural astaxanthin over synthetic astaxanthin has drawn the attention of industrialists to cultivate and extract it via two stage cultivation process. However, the cultivation in photobioreactors is expensive, and converting it in soluble form so that it can be easily assimilated by our digestive system requires downstream processing techniques which are not cost-effective. This has made the cost of astaxanthin expensive, prompting pharmaceutical and nutraceutical companies to switch over to synthetic astaxanthin. This review discusses the chemical character of astaxanthin, more inexpensive cultivating techniques, and its bioavailability. Additionally, the antioxidant character of this microalgal product against many diseases is discussed, which can make this natural compound an excellent drug to minimize inflammation and its consequences.
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Ahirwar A, Das S, Das S, Yang YH, Bhatia SK, Vinayak V, Ghangrekar MM. Photosynthetic microbial fuel cell for bioenergy and valuable production: A review of circular bio-economy approach. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.102973] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Yadav A, Rene ER, Sharma M, Jatain I, Mandal MK, Dubey KK. Valorization of wastewater to recover value-added products: A comprehensive insight and perspective on different technologies. ENVIRONMENTAL RESEARCH 2022; 214:113957. [PMID: 35932829 DOI: 10.1016/j.envres.2022.113957] [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: 02/16/2022] [Revised: 06/23/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
In recent years, due to rapid globalization and urbanization, the demand for fuels, energy, water and nutrients has been continuously increasing. To meet the future need of the society, wastewater is a prominent and emerging source for resource recovery. It provides an opportunity to recover valuable resources in the form of energy, fertilizers, electricity, nutrients and other products. The aim of this review is to elaborate the scientific literature on the valorization of wastewater using wide range of treatment technologies and reduce the existing knowledge gap in the field of resource recovery and water reuse. Several versatile, resilient environmental techniques/technologies such as ion exchange, bioelectrochemical, adsorption, electrodialysis, solvent extraction, etc. are employed for the extraction of value-added products from waste matrices. Since the last two decades, valuable resources such as polyhydroxyalkanoate (PHA), matrix or polymers, cellulosic fibers, syngas, biodiesel, electricity, nitrogen, phosphorus, sulfur, enzymes and a wide range of platform chemicals have been recovered from wastewater. In this review, the aspects related to the persisting global water issues, the technologies used for the recovery of different products and/or by-products, economic sustainability of the technologies and the challenges encountered during the valorization of wastewater are discussed comprehensively.
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Affiliation(s)
- Ankush Yadav
- Bioprocess Engineering Laboratory, Department of Biotechnology, Central University of Haryana, Mahendergarh, 123031, Haryana, India
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX, Delft, the Netherlands
| | - Manisha Sharma
- Bioprocess Engineering Laboratory, Department of Biotechnology, Central University of Haryana, Mahendergarh, 123031, Haryana, India
| | - Indu Jatain
- Bioprocess Engineering Laboratory, Department of Biotechnology, Central University of Haryana, Mahendergarh, 123031, Haryana, India
| | - Mrinal Kanti Mandal
- Department of Chemical Engineering, National Institute of Technology, Durgapur, 713209, West Bengal, India
| | - Kashyap Kumar Dubey
- Bioprocess Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi, 110067, India.
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Rai A, Sirotiya V, Mourya M, Khan MJ, Ahirwar A, Sharma AK, Kawatra R, Marchand J, Schoefs B, Varjani S, Vinayak V. Sustainable treatment of dye wastewater by recycling microalgal and diatom biogenic materials: Biorefinery perspectives. CHEMOSPHERE 2022; 305:135371. [PMID: 35724717 DOI: 10.1016/j.chemosphere.2022.135371] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
Discharge of untreated or partially treated toxic dyes containing wastewater from textile industries into water streams is hazardous for environment. The use of heavy metal(s) rich dyes, which are chemically active in azo and sulfur content(s) has been tremendously increasing in last two decades. Conventional physical and chemical treatment processes help to eliminate the dyes from textile wastewater but generates the secondary pollutants which create an additional environmental problem. Microalgae especially the diatoms are promising candidate for dye remediation from textile wastewater. Nanoporous diatoms frustules doped with nanocomposites increase the wastewater remediation efficiency due to their adsorption properties. On the other hand, microalgae with photosynthetic microbial fuel cell have shown significant results in being efficient, cost effective and suitable for large scale phycoremediation. This integrated system has also capability to enhance lipid and carotenoids biosynthesis in microalgae while simultaneously generating the bioelectricity. The present review highlights the textile industry wastewater treatment by live and dead diatoms as well as microalgae such as Chlorella, Scenedesmus, Desmodesmus sp. etc. This review engrosses applicability of diatoms and microalgae as an alternative way of conventional dye removal techniques with techno-economic aspects.
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Affiliation(s)
- Anshuman Rai
- Department of Biotechnology, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133203, India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Megha Mourya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Mohd Jahir Khan
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India
| | - Anil K Sharma
- Department of Biotechnology, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133203, India
| | - Rajeev Kawatra
- Forensic Science Laboratory, Haryana, Madhuban, Karnal, 132037, India
| | - Justine Marchand
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Mer Molecules Santé, Le Mans University, IUML - FR 3473 CNRS, Le Mans, France
| | - Benoit Schoefs
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Mer Molecules Santé, Le Mans University, IUML - FR 3473 CNRS, Le Mans, France
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat, 382010, India.
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar, MP, 470003, India.
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13
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Deka R, Shreya S, Mourya M, Sirotiya V, Rai A, Khan MJ, Ahirwar A, Schoefs B, Bilal M, Saratale GD, Marchand J, Saratale RG, Varjani S, Vinayak V. A techno-economic approach for eliminating dye pollutants from industrial effluent employing microalgae through microbial fuel cells: Barriers and perspectives. ENVIRONMENTAL RESEARCH 2022; 212:113454. [PMID: 35597291 DOI: 10.1016/j.envres.2022.113454] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/01/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Microbial fuel cells are biochemical factories which besides recycling wastewater are electricity generators, if their low power density can be scaled up. This also adds up to work on many factors responsible to increase the cost of running a microbial fuel cell. As a result, the first step is to use environment friendly dead organic algae biomass or even living algae cells in a microbial fuel cell, also referred to as microalgal microbial fuel cells. This can be a techno-economic aspect not only for treating textile wastewater but also an economical way of obtaining value added products and bioelectricity from microalgae. Besides treating wastewater, microalgae in its either form plays an essential role in treating dyes present in wastewater which essentially include azo dyes rich in synthetic ions and heavy metals. Microalgae require these metals as part of their metabolism and hence consume them throughout the integration process in a microbial fuel cell. In this review a detail plan is laid to discuss the treatment of industrial effluents (rich in toxic dyes) employing microbial fuel cells. Efforts have been made by researchers to treat dyes using microbial fuel cell alone or in combination with catalysts, nanomaterials and microalgae have also been included. This review therefore discusses impact of microbial fuel cells in treating wastewater rich in textile dyes its limitations and future aspects.
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Affiliation(s)
- Rahul Deka
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Shristi Shreya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Megha Mourya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Vandana Sirotiya
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Anshuman Rai
- MMU, Deemed University, School of Engineering, Department of Biotechnology, Ambala, Haryana,133203, India
| | - Mohd Jahir Khan
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Ankesh Ahirwar
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India
| | - Benoit Schoefs
- Metabolism, Bioengineering of Microalgal Metabolism and Applications (MIMMA), Mer Molecules Santé, Le Mans University, IUML - FR 3473 CNRS, Le Mans, France
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Ganesh Dattatraya Saratale
- Department of Food Science and Biotechnology, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggido, 10326, Republic of Korea
| | - Justine Marchand
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Rijuta Ganesh Saratale
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggido, 10326, Republic of Korea
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat, 382010, India.
| | - Vandana Vinayak
- Diatom Nanoengineering and Metabolism Laboratory (DNM), School of Applied Science, Dr. Harisingh Gour Central University, Sagar (MP), 470003, India.
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14
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Tay ZHY, Ng FL, Ling TC, Iwamoto M, Phang SM. The use of marine microalgae in microbial fuel cells, photosynthetic microbial fuel cells and biophotovoltaic platforms for bioelectricity generation. 3 Biotech 2022; 12:148. [PMID: 35733833 DOI: 10.1007/s13205-022-03214-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 05/24/2022] [Indexed: 11/01/2022] Open
Abstract
Algal green energy has emerged as an alternative to conventional energy production using fossil fuels. Microbial fuel cells (MFCs), photosynthetic microbial fuel cells (PMFCs) and biophotovoltaic (BPV) platforms have been developed to utilize microalgae for bioelectricity generation, wastewater treatment and biomass production. There remains a lack of research on marine microalgae in these systems, so to the best of our knowledge, all information on their integration in these systems have been gathered in this review, and are used to compare with the interesting studies on freshwater microalgae. The performance of the systems is extremely reliant on the microalgae species and/or microbial community used, the size of the bio-electrochemical cell, and electrode material and distance used. The mean was calculated for each system, PMFC has the highest average maximum power density of 344 mW/m2, followed by MFC (179 mW/m2) and BPV (58.9 mW/m2). In addition, the advantages and disadvantages of each system are highlighted. Although all three systems face the issue of low power outputs, the integration of a suitable energy harvester could potentially increase power efficiency and make them applicable for lower power applications.
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Affiliation(s)
- Zoe Hui-Yee Tay
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Fong-Lee Ng
- Institute of Ocean and Earth Sciences (IOES), Universiti Malaya, Kuala Lumpur, Malaysia.,Institute for Advanced Studies, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Tau-Chuan Ling
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Mitsumasa Iwamoto
- Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, Tokyo, Japan.,Faculty of Engineering, Technology and Built Environment, UCSI University, Kuala Lumpur, Malaysia
| | - Siew-Moi Phang
- Institute of Ocean and Earth Sciences (IOES), Universiti Malaya, Kuala Lumpur, Malaysia.,Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
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15
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Pocha CKR, Chia WY, Chew KW, Munawaroh HSH, Show PL. Current advances in recovery and biorefinery of fucoxanthin from Phaeodactylum tricornutum. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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