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Yue Y, Yue X, Tang X, Han L, Wang J, Wang S, Du C. Synergistic adsorption and photocatalysis study of TiO 2 and activated carbon composite. Heliyon 2024; 10:e30817. [PMID: 38779020 PMCID: PMC11108842 DOI: 10.1016/j.heliyon.2024.e30817] [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: 10/28/2023] [Revised: 04/17/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
The discharge of organic pollutants by the textile and dyeing industries presents an escalating threat to aquatic environments, necessitating the development of effective remediation strategies. This study introduces the utilization of graphite-like structured activated carbon (AC), derived from highland barley straw-a biomass unique to the Plateau regions of China, including Tibet, Qinghai, and Gansu-as a support material for the TiO2 catalyst. TiO2/AC composites with different TiO2 loadings were synthesized by ultrasonic impregnation. The TiO2/AC composites were found to be polycrystalline materials composed of anatase and rutile phases. The TiO2 nanoparticles are well-dispersed over the surface of the AC. The photocatalytic activity of these composites was evaluated through their capacity to degrade a methylene blue (MB) solution upon irradiation. It was observed that the inclusion of TiO2 increases the number of adsorption sites and active sites for methylene blue, with the photocatalytic activity being notably higher at a 3-wt% TiO2 loading, achieving a remarkable 99.6 % degradation efficiency for 100 mg/L MB within 100 min. The experimental kinetic data for the photocatalytic process follow the pseudo-first-order kinetic model. Furthermore, TiO2/AC retains high photocatalytic activity after five reaction cycles. This research provides valuable insights into the application of biomass-derived materials for the purification of water, offering a sustainable solution to both pollution and agricultural waste challenges in Plateau areas of China.
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Affiliation(s)
- Yihang Yue
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
| | - Xiaoju Yue
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, Shenzhen, 518055, China
| | - Xiaofeng Tang
- Tibet Museum of Natural Science, Lhasa, 850000, China
| | - Lin Han
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, Shenzhen, 518055, China
| | - Jinnong Wang
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, Shenzhen, 518055, China
| | - Shifeng Wang
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
- Fujian Quanzhou Peninsula Materials Co., Ltd, Quanzhou, 362000, China
- Aimoli (Hebei) Technology Co., Ltd, Shijiazhuang, 050000, China
| | - Chun Du
- Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, China
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Bala A, Rani G, Kumar N, Ahlawat R. Catalytic and antioxidant activity of silver nanoparticles fabricated by Neolamarckia cadamba bark extract. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 25:1979-1987. [PMID: 37218063 DOI: 10.1080/15226514.2023.2214243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Plant parts have unfathomable potential in the synthesis of nanoparticles. The current study was designed for the photosynthesis of silver nanoparticles (NC-AgNPs) using bark extract of N. cadamba. Different analytical methods were used to characterize the synthesized nanoparticles. HR-TEM analysis identifies the formation of multi-shaped NC-AgNPs like spherical, quasi-spherical, rod-shaped, trigonal, square, pentagonal, and hexagonal with a size range of 18-91 nm. The crystallize size of NC-AgNPs was found to be 27.6 nm. The catalytic effectiveness of NC-AgNPs in degrading Crystal violet (CV) dye is remarkable. Important parameters such as the effect of catalyst dose and pH were investigated. Dose-dependentantioxidant activity of NC-AgNPs was determined by using 2,2-Diphenyl-1-picrylhydrazyl (DPPH) assay. Low-cost synthesis and eco-friendly reagents were the salient features that made NC-AgNPs more attractive toward catalytic and antioxidant activities.
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Affiliation(s)
- Anu Bala
- Department of Chemistry, Chaudhary Devi Lal University, Sirsa, India
| | - Gita Rani
- Department of Chemistry, Chaudhary Devi Lal University, Sirsa, India
| | - Naveen Kumar
- Department of Chemistry, M.D. University, Rohtak, India
| | - Rachna Ahlawat
- Department of Physics, Chaudhary Devi Lal University, Sirsa, India
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Alsafari IA, Fatima R, Warsi MF, Ayman I, Jamil A, Shahid M, Irshad A. Photocatalytic and antibacterial activity study of ternary oxide of Ni-Al-Cd and their nanocomposite with carbon nanotubes. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2135812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- Ibrahim A. Alsafari
- Department of Biology, College of Science, University of Hafr Al-Batin, Hafr Al-Batin, Saudi Arabia
| | - Rukia Fatima
- Department of Chemistry, Rahim Yar khan Campus, The Islamia University of Bahawalpur, Rahim Yar Khan, Pakistan
| | - Muhammad Farooq Warsi
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Imtisal Ayman
- Department of Chemistry, Rahim Yar khan Campus, The Islamia University of Bahawalpur, Rahim Yar Khan, Pakistan
| | - Akaml Jamil
- Department of Chemistry, College of Science, University of Hafr Al-Batin, Hafr Al-Batin, Saudi Arabia
| | - Muhammad Shahid
- Department of Chemistry, College of Science, University of Hafr Al-Batin, Hafr Al-Batin, Saudi Arabia
| | - Amna Irshad
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
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Krishna PG, Chandra Mishra P, Naika MM, Gadewar M, Ananthaswamy PP, Rao S, Boselin Prabhu SR, Yatish KV, Nagendra HG, Moustafa M, Al-Shehri M, Jha SK, Lal B, Stephen Santhakumari SM. Photocatalytic Activity Induced by Metal Nanoparticles Synthesized by Sustainable Approaches: A Comprehensive Review. Front Chem 2022; 10:917831. [PMID: 36118313 PMCID: PMC9479337 DOI: 10.3389/fchem.2022.917831] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/06/2022] [Indexed: 12/29/2022] Open
Abstract
Nanotechnology is a fast-expanding area with a wide range of applications in science, engineering, health, pharmacy, and other fields. Among many techniques that are employed toward the production of nanoparticles, synthesis using green technologies is the simplest and environment friendly. Nanoparticles produced from plant extracts have become a very popular subject of study in recent decades due to their diverse advantages such as low-cost synthesis, product stability, and ecofriendly protocols. These merits have prompted the development of nanoparticles from a variety of sources, including bacteria, fungi, algae, proteins, enzymes, etc., allowing for large-scale production with minimal contamination. However, nanoparticles obtained from plant extracts and phytochemicals exhibit greater reduction and stabilization and hence have proven the diversity of properties, like catalyst/photocatalyst, magnetic, antibacterial, cytotoxicity, circulating tumor deoxy ribo nucleic acid (CT-DNA) binding, gas sensing, etc. In the current scenario, nanoparticles can also play a critical role in cleaning wastewater and making it viable for a variety of operations. Nano-sized photocatalysts have a great scope toward the removal of large pollutants like organic dyes, heavy metals, and pesticides in an eco-friendly and sustainable manner from industrial effluents. Thus, in this review article, we discuss the synthesis of several metal nanoparticles using diverse plant extracts, as well as their characterization via techniques like UV–vis (ultraviolet–visible), XRD (X-ray diffraction), SEM (scanning electron microscopy), TEM (transmission electron microscopy), FTIR (Fourier transform infrared spectroscopy), etc., and catalytic activity on various hazardous systems.
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Affiliation(s)
- Prashanth Gopala Krishna
- Department of Chemistry, Sir M. Visvesvaraya Institute of Technology, Affiliated to Visvesvaraya Technological University, Bengaluru, India
- *Correspondence: Prashanth Gopala Krishna, , ; Saurabh Kumar Jha,
| | - Prabhu Chandra Mishra
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida, India
| | - Mutthuraju Mahadev Naika
- Department of Chemistry, Sai Vidya Institute of Technology, Affiliated to Visvesvaraya Technological University, Bengaluru, India
| | - Manoj Gadewar
- Department of Pharmacology, School of Medical and Allied Sciences, KR Mangalam University, Gurgaon, India
| | | | - Srilatha Rao
- Department of Chemistry, Nitte Meenakshi Institute of Technology, Affiliated to Visvesvaraya Technological University, Bengaluru, India
| | | | | | - Holenarasipura Gundurao Nagendra
- Department of Bio Technology, Sir M. Visvesvaraya Institute of Technology, Affiliated to Visvesvaraya Technological University, Bengaluru, India
| | - Mahmoud Moustafa
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia
- Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena, Egypt
| | - Mohammed Al-Shehri
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida, India
- Department of Biotechnology, School of Applied and Life Sciences (SALS), Uttaranchal University, Dehradun, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
- *Correspondence: Prashanth Gopala Krishna, , ; Saurabh Kumar Jha,
| | - Bharat Lal
- Department of Pharmaceutics, School of Medical and Allied Sciences, KR Mangalam University, Gurgaon, India
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