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Journal articles on the topic 'DYE DEGRADATION CAPABILITY'

Author: Grafiati

Published: 11 September 2023

Last updated: 19 July 2025

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1

Singh, Gurpreet, Moolchand Sharma, and Rahul Vaish. "Exploring the piezocatalytic dye degradation capability of lithium niobate." Advanced Powder Technology 31, no. 4 (2020): 1771–75. http://dx.doi.org/10.1016/j.apt.2020.01.031.

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Lin, Ching Hsing, Chen Yu Chang, Yu Jie Chang, Yao Chuan Lee, Mei Yin Hwa, and Yu Sen Chang. "Photosensitization of Dye/TiO₂ Thin Films by Using Natural Dye of TCPP." Advanced Materials Research 123-125 (August 2010): 923–26. http://dx.doi.org/10.4028/www.scientific.net/amr.123-125.923.

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The Dye-Sensitized TiO2 thin film fabricated by TiO2 nanoparticles is a novel technology with advantage in low cost, little pollution and simple in manufacturing process. The fiber-shaped reacting sites provide enlarged photo-sensing area of the TiO2 thin films. Natural dye of TCPP was applied to improve the photo absorbability in this study. Besides, a novel plasma surface activation technique employed on the thin film showed well performance compared with previous reports by heating methods. The SEM images demonstrate that the nano-TiO2 composites deposited on the fiber substrate. Degradatio

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3

Zissi, U., and G. Lyberatos. "Axo-dye biodegradation under anoxic conditions." Water Science and Technology 34, no. 5-6 (1996): 495–500. http://dx.doi.org/10.2166/wst.1996.0588.

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Biological oxidation of azo-dyes is important for wastewater treatment. Azo-dyes are synthetic organic colorants that exhibit great structural variety. A large majority of these dyes are released into the environment. The textile industry and dyestuff manufacturing industry are two major sources of released azodyes. In the present study, we focus on the anoxic degradation of a disperse azo-dye, p-aminoazobenzene (pAAB), a simple azo-dye, by a pure culture of Bacillus subtilis, growing on a synthetic medium. Bacillus subtilis is a bacterium capable of using nitrate and/or nitrite as terminal el

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Amarasinghe, Achala, and Dakshika Wanniarachchi. "Eco-Friendly Photocatalyst Derived from Egg Shell Waste for Dye Degradation." Journal of Chemistry 2019 (September 26, 2019): 1–13. http://dx.doi.org/10.1155/2019/8184732.

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This study is focused on removal of dyes in water bodies using calcined egg shell powder obtained from waste egg shells as a new material for photocatalytic dye removal. The photocatalytic activity of calcined egg shell powder (CESP) was compared with the raw egg shell powder (RESP) under light and dark conditions. The results reveal that CESP has significantly a higher dye degradation capability of 80% compared to the RESP which is 20% under the same condition. Furthermore, under light conditions, CESP has shown nearly 50% increase in dye degradation compared to the same material in the dark.

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Ain, Qurat Ul, Usman Rasheed, Muhammad Yaseen, Hanbing Zhang, and Zhangfa Tong. "Superior dye degradation and adsorption capability of polydopamine modified Fe3O4-pillared bentonite composite." Journal of Hazardous Materials 397 (October 2020): 122758. http://dx.doi.org/10.1016/j.jhazmat.2020.122758.

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Hsiao, Po-Hsuan, Sasimontra Timjan, Kuan-Yi Kuo, Joon-Ching Juan, and Chia-Yun Chen. "Optical Management of CQD/AgNP@SiNW Arrays with Highly Efficient Capability of Dye Degradation." Catalysts 11, no. 3 (2021): 399. http://dx.doi.org/10.3390/catal11030399.

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The facile synthetic method for the preparation of incorporated carbon quantum dots (CQDs)/Ag nanoparticles (AgNPs) with well-aligned silicon nanowire (SiNW) arrays is demonstrated, offering the superior photodegradation capabilities covering UV to visible wavelength regions. By examining the morphology, microstructure, crystallinity, chemical feature, surface groups, light-emitting, and reflection characteristics, these hybrid heterostructures are systematically identified. Moreover, the involving degradation kinetics, band diagram, cycling capability, and underlying mechanism of photodegrada

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Pius, Minu, Frincy Francis, and Santhi Joseph. "Enhanced Thermal Diffusivity and Photocatalytic Dye Degradation Capability of Zinc Ferrite/Silver/Silver Chloride Nanocomposites." Journal of Nano Research 78 (April 17, 2023): 59–72. http://dx.doi.org/10.4028/p-383q35.

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Herein, we report for the first time the thermal diffusivity of zinc ferrite/ silver/ silver chloride nanocomposite with a four-fold enhancement in comparison with the base fluid. A systematic analysis of the dependence of calcination temperature and synthesis routes on the crystallinity of nanocomposites of zinc ferrite with silver and silver chloride suiting it for diverse applications was done. Synthesized via the co-precipitation method, the samples were characterized using X-ray diffraction, Field emission scanning electron microscopy, Energy dispersive X-ray, Vibration sample magnetomete

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Zhu, Jia, Xue-Jun Shao, Zongan Li, et al. "Synthesis of Holmium-Oxide Nanoparticles for Near-Infrared Imaging and Dye-Photodegradation." Molecules 27, no. 11 (2022): 3522. http://dx.doi.org/10.3390/molecules27113522.

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The development of multifunctional nanomaterials has received growing research interest, thanks to its ability to combine multiple properties for severing highly demanding purposes. In this work, holmium oxide nanoparticles are synthesized and characterized by various tools including XRD, XPS, and TEM. These nanoparticles are found to emit near-infrared fluorescence (800–1100 nm) under a 785 nm excitation source. Imaging of the animal tissues was demonstrated, and the maximum imaging depth was found to be 2.2 cm. The synthesized nanoparticles also show the capability of facilitating dye (fluor

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9

Chen, Shuang-Qin, Yang Shao, Meng-Ting Cheng, and Ke-Fu Yao. "Effect of residual stress on azo dye degradation capability of Fe-based metallic glass." Journal of Non-Crystalline Solids 473 (October 2017): 74–78. http://dx.doi.org/10.1016/j.jnoncrysol.2017.07.030.

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10

Vinayagam, Ramesh, Raja Selvaraj, Pugazhendhi Arivalagan, and Thivaharan Varadavenkatesan. "Synthesis, characterization and photocatalytic dye degradation capability of Calliandra haematocephala-mediated zinc oxide nanoflowers." Journal of Photochemistry and Photobiology B: Biology 203 (January 2020): 111760. http://dx.doi.org/10.1016/j.jphotobiol.2019.111760.

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11

Miao, Fang, Qianqian Wang, Siyi Di, Lu Yun, Jing Zhou, and Baolong Shen. "Enhanced dye degradation capability and reusability of Fe-based amorphous ribbons by surface activation." Journal of Materials Science & Technology 53 (September 2020): 163–73. http://dx.doi.org/10.1016/j.jmst.2020.02.075.

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12

Suvarna, Asha R., Anvitha Shetty, Sneha Anchan, Nasreena Kabeer, and Sneha Nayak. "Cyclea peltata Leaf Mediated Green Synthesized Bimetallic Nanoparticles Exhibits Methyl Green Dye Degradation Capability." BioNanoScience 10, no. 3 (2020): 606–17. http://dx.doi.org/10.1007/s12668-020-00739-9.

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13

Yin, Xiaofeng, Yingjie Sun, Xiaojun Wu, et al. "Superior adsorption capability and excellent photocatalytic activity derived from the ferroelectric external screening effect in Bi3TiNbO9 single-crystal nanosheets." Catalysis Science & Technology 10, no. 9 (2020): 2864–73. http://dx.doi.org/10.1039/c9cy02513h.

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14

Carletto, Riccardo A., Fabiana Chimirri, Francesca Bosco, and Franco Ferrero. "Adsorption of Congo Red dye on hazelnut shells and degradation with Phanerochaete chrysosporium." BioResources 3, no. 4 (2008): 1146–55. http://dx.doi.org/10.15376/biores.3.4.1146-1155.

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The present work concerns the experimental evaluation of hazelnut shells as a low cost natural biosorbent. Adsorption of the direct azo dye Congo Red was performed within a concentrations range of 50-5000 mg/L. Hazelnut shells were employed as organic support for Phanerochaete chrysosporium cultures to study the best cultural medium composition for the MnP production. The capability of Phanerochaete chrysosporium to take macronutrients as carbon and nitrogen from hazelnut shells was demonstrated. Cultures of Phanerochaete chrysosporium were carried out with hazelnut shells coming from Congo Re

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15

Yi, Guangshun, Xiukai Li, Yuan Yuan, and Yugen Zhang. "Redox active Zn/ZnO duo generating superoxide (˙O2−) and H2O2 under all conditions for environmental sanitation." Environmental Science: Nano 6, no. 1 (2019): 68–74. http://dx.doi.org/10.1039/c8en01095a.

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Durian-like Zn/ZnO core/shell particles demonstrated excellent bacteria-killing properties and good dye degradation capability under all conditions where the killing power is related to superoxide (˙O<sub>2</sub><sup>−</sup>) and H<sub>2</sub>O<sub>2</sub> radicals.

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Verma, Shiv Kumar, Anand Kumar, Moti Lal, and Mira Debnath. "Biodegradation of Synthetic Dye by Endophytic Fungal Isolate in Calotropis procera Root." International Journal of Applied Sciences and Biotechnology 3, no. 3 (2015): 373–80. http://dx.doi.org/10.3126/ijasbt.v3i3.13136.

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In this study, based on colony morphology characteristics, a total of 19 fungal endophytes were isolated from root of Calotropis Procera a traditional Indian medicinal plant. All fungal isolates were screened for their dye degradation ability. The dyes used as test dyes were Rose Bengal (RB), azo dye Methyl Red (MR), Coomassie Brilliant Blue (CBB) and Methylene Blue (MB) and the concentration of each dye in the experiment was kept 100mg/L. Among the 19 fungal endophytic isolates (CPR1-CPR19), only one isolate CPR4 showed strong dye decolourization capability against all the four test dye. Dye

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17

Abduh, Gierrald, Muhammad Said, and Poedji Loekitowati Hariani. "Photocatalytic Degradation of Congo Red Dye using ZnFe2O4/SnO2 Composite with Response Surface Methodology (RSM) Optimization." Trends in Sciences 22, no. 7 (2025): 9988. https://doi.org/10.48048/tis.2025.9988.

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In this investigation, the synthesized ZnFe2O4/SnO2 composites for the photocatalytic degradation of Congo red dye. Doping SnO₂ onto ZnFe2O4 optimized the energy gap, promoting light absorption in the visible spectrum. The ZnFe2O4/SnO2 composites were analyzed using XRD, UV-DRS, SEM-EDS, VSM, and pHpzc. Photocatalytic degradation is optimized using Central Composite Design (CCD), which is based on response surface methodology (RSM). The XRD characterization results of the ZnFe2O4/SnO2 composites demonstrate the success of the synthesis method. The composite has a combined 2θ of ZnFe2O4 and SnO

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18

Fu, Lu, Zhiyu Huang, Xiang Zhou, et al. "Ferrous-Oxalate-Modified Aramid Nanofibers Heterogeneous Fenton Catalyst for Methylene Blue Degradation." Polymers 14, no. 17 (2022): 3491. http://dx.doi.org/10.3390/polym14173491.

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The heterogeneous Fenton system has drawn great attention in recent years due to its effective degradation of polluted water capability without limitation of the pH range and avoiding excess ferric hydroxide sludge. Therefore, simple chemical precipitation and vacuum filtration method for manufacturing the heterogeneous Fenton aramid nanofibers (ANFs)/ferrous oxalate (FeC2O4) composite membrane catalysts with excellent degradation of methylene blue (MB) is reported in the study. The morphology and structure of materials synthesized were characterized by scanning electron microscope (SEM), X-ra

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Munir, E., A. Lutfia, A. Hartanto, et al. "Potential of landfill microbes in hydrocarbon degradation." IOP Conference Series: Earth and Environmental Science 977, no. 1 (2022): 012095. http://dx.doi.org/10.1088/1755-1315/977/1/012095.

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Abstract Bioprospecting study of indigenous microbial community is still being approached especially for some microbial strains in bioremediation aspect. The objective of this study was to obtain a collection of indigenous bacterial and fungal isolates capable of growing on hydrocarbon medium. Soil samples were collected from Terjun Landfill located in Medan City, North Sumatra. Mineral salt agar medium supplemented with 10% (v/v) of hydrocarbon sources (diesel oil, pesticide, dye wastewater) was used to screen the microbial capacity in utilizing the hydrocarbon compounds as sole carbon source

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20

Czarnecki, Celeste R., and Robert L. LaDuca. "Structural diversity and dye degradation capability of copper 1,2-phenylenediacetate coordination polymers with flexible dipyridylamide ligands." Polyhedron 161 (March 2019): 161–68. http://dx.doi.org/10.1016/j.poly.2019.01.017.

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21

Fdez-Sanromán, Antia, Bárbara Lomba-Fernández, Marta Pazos, Emilio Rosales, and Angeles Sanromán. "Peroxymonosulfate Activation by Different Synthesized CuFe-MOFs: Application for Dye, Drugs, and Pathogen Removal." Catalysts 13, no. 5 (2023): 820. http://dx.doi.org/10.3390/catal13050820.

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In this study, three CuFe-MOFs were successfully synthesized by a solvothermal process by changing the ratio of solvents, salts, or temperature. These MOFs named CuFe(BDC-NH2)R, CuFe(BDC-NH2)S, and CuFe(BDC-NH2)D showed rod-shaped, spindle-like, and diamond-like structures, respectively. The CuFe(BDC-NH2)D and CuFe(BDC-NH2)S were found to exhibit an improved PMS activation for Rhodamine B removal attaining levels around 92%. Their effective removal capability was investigated as a function of the pH, catalyst dosage, and the effect of the application of UV radiation. The best degradation syste

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22

Rahman, Qazi Inamur, Arif Ali, Naseem Ahmad, Minaxi B. Lohani, S. K. Mehta, and Mohd Muddassir. "Synthesis and Characterization of CuO Rods for Enhanced Visible Light Driven Dye Degradation." Journal of Nanoscience and Nanotechnology 20, no. 12 (2020): 7716–23. http://dx.doi.org/10.1166/jnn.2020.18713.

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Here, we report simple and efficient method to synthesize CuO rods using copper acetate, hexamethylenetetramine (HMTA) and sodium hydroxide (NaOH) solutions via hydrothermal process followed by calcination. The Field emission scanning electron microscopy images revealed that synthesized CuO rods were 2–4μm thick with several micrometers long and grown into high density. The as-synthesized CuO rods were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), UV-visible spectroscopy and Energy dispersive X-ray analysis (EDS) which confirmed the formation of high

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23

Xing, Jianxiong, Qian Liu, Kai Zheng, et al. "Synergistic effect of Fenton-like treatment on the adsorption of organic dye on bamboo magnetic biochar." BioResources 14, no. 1 (2018): 714–24. http://dx.doi.org/10.15376/biores.14.1.714-724.

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Magnetic bamboo charcoal was one-pot synthesized and employed in the removal of methylene blue. The data indicated that three different oxidation states of iron (Fe3O4, FeO, and zero-valent iron) were generated under different pyrolytic temperatures, and the maximum specific surface area was 484.6 m2/g. Both physical adsorption and catalytic degradation of MBC with zero-valent iron exhibited more effective capability to decontaminate organic pollution, as the zero-valent iron acted as a Fenton-like catalyst under aerobic conditions. In addition, the obtained magnetic bamboo charcoal manifested

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Ashiihrii, Kapani, Bhaben Boro, and Aftab Ansari. "Exceptional Photodegradation Efficiency of Eu³⁺: GdVO₄ Against Methylene Blue and Methyl Orange Textile Dye Mixtures." Journal of Physics: Conference Series 2919, no. 1 (2024): 012011. https://doi.org/10.1088/1742-6596/2919/1/012011.

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Abstract We report on efficacy of Eu3+ doped GdVO4 nano system as an effectual photocatalytic agent for textile dye degradation. The nano system synthesized via one step solid state method displayed band gap of the nano system determined to be ~3.5 eV which can be considered suitably apt for usage in photocatalytic reactions. Photocatalysis is one of the leading technologies so as to facilitate degradation of textile dye wastes. Most of the dyes used display harmful nature to the ecology if left untreated. Among the various dyes, Methylene Blue (MB) and Methyl Orange (MO) dyes were chosen as t

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Qi, Li, Siyu Wang, Yun Liu, et al. "Facile Preparation of Magnetically Separable Fe3O4/ZnO Nanocomposite with Enhanced Photocatalytic Activity for Degradation of Rhodamine B." Nanomaterials 14, no. 11 (2024): 926. http://dx.doi.org/10.3390/nano14110926.

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Magnetic separation of photocatalysts holds great promise for water treatment. A magnetic separation method has a positive effect on the recovery of catalysts after degradation. In this paper, an efficient and reusable catalytic system is developed based on coating magnetic Fe3O4 by depositing Fe2+ on the surface of ZnO. The Fe3O4/ZnO nanocomposite exhibits enhanced performance for organic pollutant degradation. The Fe3O4/ZnO system demonstrates a high photocatalytic activity of 100% degradation efficiency in Rhodamine B (RhB) degradation under UV light irradiation for 50 min. The excellent ph

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Islam, ASM A., T. Ferdous, AK Das, MM Karim, and SM Masum. "Photocatalytic degradation of Direct Brown RN dye in the presence of ZnO nanoparticles." Bangladesh Journal of Scientific and Industrial Research 50, no. 1 (2015): 1–6. http://dx.doi.org/10.3329/bjsir.v50i1.23803.

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The ZnO nanoparticle was prepared by using Zn(NO3)2.6H2O and NaOH under optimum reaction conditions and the prepared nanoparticle was characterized by UV-visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), energy dispersion X-ray spectroscopy (EDX) and scanning electron microscopy (SEM). The sunlight irradiated photocatalytic degradation of Direct Brown RN dye was studied using ZnO nanoparticle. The results of this investigation revealed that in the presence of sunlight, catalyst load of 0.5 g?L-1 and time of contact of 40 min, ZnO nanoparticle showe

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Liu, Chang, Yuxuan Kong, Guojiang Xia, Xiancheng Ren, and Jing Zhang. "Ultraviolet Grafting of Bismuth Oxide Enhances the Photocatalytic Performance of PVDF Membrane and Improves the Problem of Membrane Fouling." Polymers 16, no. 16 (2024): 2322. http://dx.doi.org/10.3390/polym16162322.

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Photocatalytic membranes are crucial in addressing membrane fouling issues. However, the grafting amount of the catalyst on the membrane often becomes a key factor in restricting the membrane’s self-cleaning capability. To address the challenge, this manuscript proposes a method for solving membrane fouling, featuring high grafting rates of bismuth oxide (Bi2O3) and acrylic acid (AA), significant contaminant degradation capability, and reusability. A highly photocatalytic self-cleaning microfiltration membrane made of polyvinylidene fluoride bismuth oxide and acrylic acid (PVDF-g-BA) was prepa

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Qasim, Muhammad, Mohamed A. Ghanem, Xuecheng Cao та Xiaojie Li. "Modification of α-Fe2O3 Nanoparticles with Carbon Layer for Robust Photo-Fenton Catalytic Degradation of Methyl Orange". Catalysts 14, № 6 (2024): 393. http://dx.doi.org/10.3390/catal14060393.

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The degradation of organic dyes poses a significant challenge in achieving sustainable environmental solutions, given their extensive usage across various industries. Iron oxide (Fe2O3) nanoparticles are studied as a reliable technique for remediating dye degradation. The objective of this research is to improve methods of nanomaterial-based environmental remediation. The solvothermal technique is used to synthesize carbon-modified Fe2O3 nanoparticles that exhibit the capability to modify their size morphology and increase reactivity, and stability for MO photodegradation. Their inherent quali

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Rahmati, Roxana, Behnam Nayebi, and Bita Ayati. "Investigating the effect of hydrogen peroxide as an electron acceptor in increasing the capability of slurry photocatalytic process in dye removal." Water Science and Technology 83, no. 10 (2021): 2414–23. http://dx.doi.org/10.2166/wst.2021.136.

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Abstract The hydrogen peroxide role in photocatalytic degradation of an anionic azo dye, Acid Orange 7 (AO7), was investigated in a slurry reactor. Commercial ZnO nanoparticles with an average size between 10 to 30 nm were used as catalysts. Optimum conditions for different parameters, including dye concentration (10–100 mg/L), catalyst concentration (0.1–0.5 g/L), and pH (5–10), were determined first in the absence of H2O2. Changes in the COD were measured for the optimum condition. The impact of adding hydrogen peroxide at different concentrations to the system operating at optimum condition

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Liu, Heng-Jui, Yi-Chen Ye, and Yun-Wei Tsai. "Leveraging Functional High-Entropy Oxide Perovskites for Enhanced Piezocatalytic Degradation." ECS Meeting Abstracts MA2024-02, no. 39 (2024): 2606. https://doi.org/10.1149/ma2024-02392606mtgabs.

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The escalating prevalence of water scarcity resulting from extreme climate events highlights a critical global challenge. This scarcity emphasizes the need for wastewater recycling, emphasizing the pivotal role of the water cycle in sustaining life and ecosystems. Among various wastewater treatment processes, chemical methods stand out for their high pollutant removal efficiency, scalability, and versatility in addressing diverse wastewater types. Advanced Oxidation Processes (AOPs) are particularly favored due to their low energy consumption, minimal equipment requirements, and superior remed

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Afzal, Malik Imran, Sammia Shahid, Sana Mansoor, et al. "Fabrication of a Ternary Nanocomposite g-C3N4/Cu@CdS with Superior Charge Separation for Removal of Organic Pollutants and Bacterial Disinfection from Wastewater under Sunlight Illumination." Toxics 10, no. 11 (2022): 657. http://dx.doi.org/10.3390/toxics10110657.

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The synthesis of a photo-catalyst with a narrow bandgap and efficient capability to degrade contaminants in the presence of sunlight is currently challenging but exciting. In this work, an efficient photocatalytic ternary nanocomposite g-C3N4/Cu@CdS has been synthesized successfully by using the co-precipitation method. The synthesized composite was then characterized by SEM, XRD studies, EDX analysis, and ultra-violet-visible (UV-VIS) spectroscopy. The catalytic efficiency for the methylene blue (MB) dye and drug degradation (ciprofloxacin) was assessed by UV-visible absorption spectra. Gram-

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Zhang, Dongfang. "Heterogeneous photocatalytic removal and reaction kinetics of Rhodamine-B dye with Au loaded TiO2 nanohybrid catalysts." Polish Journal of Chemical Technology 14, no. 2 (2012): 42–48. http://dx.doi.org/10.2478/v10026-012-0069-2.

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Heterogeneous photocatalytic removal and reaction kinetics of Rhodamine-B dye with Au loaded TiO2 nanohybrid catalysts Heterogeneous photocatalytic removal of Rhodamine-B (RhB) dye by metallic Au nanopatrticles deposited TiO2 photocatalyst was studied. For this study, a chemical reduction method by hydrazine hydrate for gold deposition was employed in order to synthesize Au/TiO2 nanocomposite system. For the characterization of the synthesized nanomaterials, X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-vis diffuse reflectance spectroscopy (DRS), the Fourier transformatio

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Amananti, Wilda. "ANALISIS MIKROSTRUKTUR LAPISAN TIPIS TiO2:ZnO YANG DIDEPOSISIKAN DIATAS SUBTRAT KACA DENGAN METODE SPRAY COATING UNTUK DEGRADASI LIMBAH ZAT WARNA." EKSAKTA: Berkala Ilmiah Bidang MIPA 18, no. 02 (2017): 210–15. http://dx.doi.org/10.24036/eksakta/vol18-iss02/81.

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TiO2 is known as a good material candidate for environmental pollutant degradation. A combination of ZnO and TiO2 in the hope of enhancing the ability of ZnO in degrading the dye liquids. Precursor solutions TiO2, ZnO and TiO2: ZnO are deposited using sol-gel method of Spray Coating Technique. Microstructures of TiO2 and TiO2: ZnO thin films with and without the ZnO buffer layer were observed using X-Ray Diffraction (XRD). The photocatalyst activity was tested on Direct Blue degradation. The results conclude that TiO2: ZnO and ZnO thin films can form well above the glass substrate shown by the

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K., Neelam, and Shamsher S. Kanwar. "Biodegradation of harmful industrial dyes by an extra-cellular bacterial peroxidase." Environment Conservation Journal 23, no. 3 (2022): 217–32. http://dx.doi.org/10.36953/ecj.8702144.

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Nowadays the treatment of environmental pollutants such as synthetic dyes (used in multiple industries such as paper, textile, food, plastic and pharmaceutical) has received much attention, especially for biotechnological treatments using both native and artificial enzymes. In this context, many enzymes have been reported to efficiently perform dye degradation. Peroxidase is one such enzyme, which causes dye degradation either by precipitation of chemical structure of aromatic dyes or by opening up their aromatic ring structure. In the present study an extra-cellular peroxidase extracted from

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Huang, Yuan, Ming Li, Long Yang, and Bao-gai Zhai. "Eu2+ and Eu3+ Doubly Doped ZnWO4 Nanoplates with Superior Photocatalytic Performance for Dye Degradation." Nanomaterials 8, no. 10 (2018): 765. http://dx.doi.org/10.3390/nano8100765.

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Eu2+ and Eu3+ doubly doped ZnWO4 nanoplates with highly exposed {100} facets were synthesized via a facile hydrothermal route in the presence of surfactant cetyltrimethyl ammonium bromide. These ZnWO4 nanoplates were characterized using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectrometry, diffuse UV-vis reflectance spectroscopy, photoluminescence spectrophotometry, and photoluminescence lifetime spectroscopy to determine their morphological, structural, chemical, and optical characteristics. It is found that Eu-doped ZnWO4 nanopla

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Sivakami, Krishnamoorthy Uma, Sundararajan Vaideeswaran, Ambrose Rosevenis, et al. "Biofilm Inhibition Against Staphylococcus aureus and Alizarin Red Dye-Removing Capability of Plant-Based Green Synthesis of Lanthanum Oxide (La2O3NPs) Nanoparticles." Reactions 6, no. 2 (2025): 32. https://doi.org/10.3390/reactions6020032.

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The unique properties of lanthanum oxide nanoparticles (La2O3NPs) make them highly suitable for various environmental applications. This study explores the plant-based synthesis of La2O3NPs using Drypetes sepiaria as a reducing agent. The synthesized La2O3NPs were characterized through a range of spectroscopic and microscopic techniques. Scanning electron microscopy (SEM) revealed that the La2O3NPs have an uneven surface and a stony appearance. A morphological analysis indicated that the nanoparticles range in size from 20 to 50 nm. The appreciable band gap energy values were concluded as 5.5

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Bentham, Richard, Nick McClure, and David Catcheside. "Biotreatment of an industrial waste oil condensate." Water Science and Technology 36, no. 10 (1997): 125–29. http://dx.doi.org/10.2166/wst.1997.0374.

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The biotreatment of an industrial waste oil condensate has been investigated. The waste is an oily emulsion resulting from chemical processing and condensation of grease trap wastes and industrial waste oils. The oil consists of a complex mix of hydrocarbons with significant fuel oil and lube oil fractions. Currently this waste is disposed of by incineration. The feasibility of using a biological pretreatment process to remove a significant proportion of the hydrocarbons has been investigated. Enrichment cultures produced a stable bacterial consortium. Flask cultures of this enrichment culture

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Hamdany, Abdul Halim, Yuanzhao Ding, and Shunzhi Qian. "Graphene-Based TiO2 Cement Composites to Enhance the Antibacterial Effect of Self-Disinfecting Surfaces." Catalysts 13, no. 9 (2023): 1313. http://dx.doi.org/10.3390/catal13091313.

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This paper studies the photocatalytic performance of graphene-based titanium dioxide (TiO2) on cementitious composites for the decomposition of Escherichia coli (E. coli) under visible light. Graphene-based TiO2 was first synthesized through a hydrothermal process. The composites were then evaluated in terms of adsorption capability and degradation of methylene blue dyes. The adsorption test shows a remarkable increase in the amount of dye adsorbed into the composite surface. GO-P25 could adsorb around 60% of the initial dye, while less than 10% of the initial dye was adsorbed by pristine TiO2

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Xu, Yaohui, Chi Deng, Changxue Dong, Qin Wang, and Nunan Gao. "Synthesis and Oxygen Storage Capability of CeO2 Powders for Enhanced Photocatalytic Degradation of Acid Orange 7." International Journal of Photoenergy 2022 (March 17, 2022): 1–9. http://dx.doi.org/10.1155/2022/8594451.

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Acid Orange 7 (AO7) is one of the most common azo dyes; however, its strong azo bond makes them difficult to biologically degrade. We sought to degrade AO7 dye using CeO2 as a promising alternative photocatalyst. CeO2 powders were synthesized with alternative monoethanolamine (MEA), diethanolamine (DEA), and triethanolamine (TEA) as a precipitant by solvothermal process combined calcination in air. Compared to the oxygen storage capability of Blank-CeO2 (0.186 mmol O2/g), that of MEA-CeO2 synthesized in the presence of MEA as a precipitant increased by 21.0%, while that of DEA-CeO2 and TEA-CeO

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Monira, Shirajum, Md Ashifuzzaman, Md Monjurul Islam, et al. "Effects of Additives on Sonolytic Degradation of Azo Dye Molecules Found in Industrial Wastewater." Jurnal Kejuruteraan 34, no. 1 (2022): 41–50. http://dx.doi.org/10.17576/jkukm-2022-34(1)-04.

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The growing number of industries is a threat to our environment, as they expose the polluted water directly into the natural water sources. Various processes have been expanded to evacuate these hazardous organic pollutants from water. Among them, advance oxidation process (AOP) is very popular, as the method is cost efficient and highly effective in the similar field. In this process ultrasound is exercised for the deterioration of these pollutants and occasionally some additives are also added to enhance the degradation. In this article, the author has reported the degradation of two azo dye

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Chaudhari, Rajeshkumar Ghemarbhai, Payal Patel, Aditee Pandya, and Kamleshkumar Shah. "Azo Dye Biodegradation Optimization by Cladosporium sp. Fungi: A Comprehensive Study on Decolorization Mechanisms, Process Parameters, and Environmental Applications." International Journal of Environmental Sciences 11, no. 8s (2025): 225–36. https://doi.org/10.64252/8ccn0p20.

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Azo dyes constitute the biggest group of synthetic dyes utilized in textile industries and hence present a big problem to the environment because of their recalcitrant nature and possible toxicity. The work aims at studying the biodegradation capability of Cladosporium sp. in decolorization of azo dyes with regard to optimizing the process conditions as well as the possible degradation pathways. Cladosporium sp. exhibited significant decolorization ability on a wide range of azo dyes, and the optimization experiments indicated that the best decolorization activity was noticed under pH 6.5, tem

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Chairungsri, Woottikrai, Patiroop Pholchan, Sulak Sumitsawan, Yothin Chimupala, and Pimluck Kijjanapanich. "Photocatalytic Degradation of Textile Dyeing Wastewater Using Titanium Dioxide on a Fixed Substrate: Optimization of Process Parameters and Continuous Reactor Tests." Sustainability 15, no. 16 (2023): 12418. http://dx.doi.org/10.3390/su151612418.

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Herein, a preparation of a mixed-phase titanium dioxide (TiO2) thin layer on glass beads was developed using the modified spray method. This approach was determined to be affordable and easy to operate. Optimum conditions were investigated for the photodegradation of wastewater generated from textile dyeing by TiO2-coated glass beads as a catalyst using the central composite design (CCD). An increase in the direct dye photodegradation rate was observed at lower direct dye concentrations when TiO2 dosages were increased, and the initial pH value was decreased. The optimal conditions involving T

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Lazer, Bernaitis, Arun K S, Bibin K. Mathew, Prejish Chandran, Jomol P J, and Anakha Vijayan. "The application and assessment of bacterial isolates for textile dye decolorization." Indian Journal of Microbiology Research 11, no. 3 (2024): 193–97. http://dx.doi.org/10.18231/j.ijmr.2024.035.

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: In the present study has been carried out to find the suitable bio degradation measures of textile dye by using biological agents. The wastewater containing dye was obtained from a textile factory situated in Thiruvananthapuram. : The study focused on three specific types of dyes: direct black, direct blue, and direct orange. Based on Microscopic, Macroscopic, Biochemical, Hydrolysis tests and selective plating upon comparing with Bergy’s Manual (9edition) the selected organism were identified as, sp, sp and sp. The isolates were then tested for their ability to degrade the dyes. In this stu

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Pandey, Anil, Narayan Gyawali, Devendra Shrestha, et al. "Harnessing BiOI/V2O5 Nanocomposites: Advanced Bifunctional Catalysts for Visible-Light Driven Environmental Remediation and Antibacterial Activity." Molecules 30, no. 12 (2025): 2500. https://doi.org/10.3390/molecules30122500.

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Efficient photocatalysts based on composite materials are essential for addressing environmental pollution and enhancing water purification. This study presents a novel BiOI/V2O5 nanocomposite (BVNC) with a flower-like layered structure, synthesized via a low-temperature solvothermal process followed by high-pressure annealing for visible light (VL)-driven dye degradation and antibacterial activities. Compared to individual BiOI nanoparticles (BOINP) and V2O5 nanoparticles (VONP), under VL, the BVNC demonstrated significantly enhanced photocatalytic and antibacterial activity. The best-perform

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Nguyen, Thi Thom, Thi Thuong Nghiem, Huu Hiep Hoang, Hong Ha Cao, and Vân-Anh Nguyen. "Vanadium-doped TiO<sub>2</sub> Adsorbent-Photocatalyst for Organic Dye Treatment." Vietnam Journal of Catalysis and Adsorption 12, no. 2 (2024): 13–18. http://dx.doi.org/10.62239/jca.2024.045.

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This study focuses on the synthesis of V-doped TiO2 materials using a modified polyol method to enhance their efficiency. The obtained materials were characterized by various methods such as XRD, EDX, FTIR, SEM, TEM-SAED, Raman, and UV-Vis DRS. The results indicated the crystalline anatase phase of TiO2, with spherical morphology and an average size of 30nm. The UV-DRS measurement demonstrated that doped materials have a lower bandgap than the pristine TiO2. The material possesses dual functionality, with adsorption capability and photocatalytic activity applied to treat organic dye contaminan

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Gaur, Jyoti, Sanjeev Kumar, Mohinder Pal, et al. "Bio-engineered, phyto-decorated, multi-form P. betle/ZnO as a potential photocatalytic agent." Advances in Natural Sciences: Nanoscience and Nanotechnology 14, no. 3 (2023): 035014. http://dx.doi.org/10.1088/2043-6262/acf28a.

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Abstract The rising levels of water contamination worldwide signal a significant need for new materials for its restoration in the coming years. This study provides a novel, simple, cost-effective, and environmentally friendly approach for the production of zinc oxide (ZnO) nanoparticles (NPs) as a promising photocatalyst through the reduction of zinc nitrate hexahydrate using a leaf extract of Piper betle (P. betle). The wurtzite hexagonal structure of ZnO, with a crystallite diameter of 43.44 nm and an energy band gap of 2.97 eV, was seen in P. betle/ZnO. The Fourier transform infrared (FTIR

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Luan, Jingfei, Bingbing Ma, Ye Yao, et al. "Synthesis, Performance Measurement of Bi2SmSbO7/ZnBiYO4 Heterojunction Photocatalyst and Photocatalytic Degradation of Direct Orange within Dye Wastewater under Visible Light Irradiation." Materials 15, no. 11 (2022): 3986. http://dx.doi.org/10.3390/ma15113986.

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Originally, the new catalyst Bi2SmSbO7 was synthesized by the hydrothermal synthesis method or by the solid-phase sintering method at a lofty temperature. A solvothermal method was utilized to prepare a Bi2SmSbO7/ZnBiYO4 heterojunction photocatalyst (BZHP). The crystal structure of Bi2SmSbO7 belonged to the pyrochlore structure and face-centered cubic crystal system by the space group of Fd3m. The cell parameter a was equivalent to 10.835(1) Å (Bi2SmSbO7). With Bi2SmSbO7/ZnBiYO4 heterojunction (BZH) as the photocatalyst, the removal rate (RR) of direct orange (DO) and the total organic carbon

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Hossain, Jahangir, Shirajum Monira, M. Shahinuzzaman, et al. "Effect of Additives on Decomposition of Methyl Orange and Congo Red Dyes Found in Industrial Wastewater." Asian Journal of Physical and Chemical Sciences 11, no. 3 (2023): 52–63. http://dx.doi.org/10.9734/ajopacs/2023/v11i3206.

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A number of textile industries are using different types of dyes which can be a threat to the environment when they are directly exposed without any treatment. The advanced oxidation process (AOP) has become one of the popular methods in which the dye molecules are degraded using microwave irradiation. This method has become popular due to its eco-friendly and cost-efficient characteristics. In this article, the author has reported the degradation of two azo dyes, named methyl orange (MO) and congo red (CR), in the presence of inorganic salts, some additives like charcoal, H2O2, CCl4, tert-but

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Nghia, Nguyen Trong, and Vinh Dinh Nguyen. "Application of Response Surface Methodology for the Optimization of Basic Red 46 Dye Degradation in an Electrocoagulation–Ozonation Hybrid System." Molecules 30, no. 12 (2025): 2627. https://doi.org/10.3390/molecules30122627.

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The release of synthetic dyes like Basic Red 46 (BR46) from industrial wastewater has raised growing concerns due to their toxicity, long-term persistence, and resistance to standard biological treatment methods. In this work, we developed and tested a pilot-scale electrocoagulation–ozonation (EC–O) hybrid system aimed at removing BR46 from aqueous solutions. The system integrates electrocoagulation, using iron electrodes, with ozone-based advanced oxidation processes, facilitating a combination of coagulation, adsorption, and oxidative breakdown of dye molecules. The response surface methodol

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Sapkota, Kamal Prasad, Md Akherul Islam, Md Abu Hanif, Jeasmin Akter, Insup Lee, and Jae Ryang Hahn. "Hierarchical Nanocauliflower Chemical Assembly Composed of Copper Oxide and Single-Walled Carbon Nanotubes for Enhanced Photocatalytic Dye Degradation." Nanomaterials 11, no. 3 (2021): 696. http://dx.doi.org/10.3390/nano11030696.

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We present the fabrication and proficient photocatalytic performance of a series of heterojunction nanocomposites with cauliflower-like architecture synthesized from copper(II) oxide (CuO) nanocrystals and carbon nanotubes with single walls (SWCNTs). These unique photocatalysts were constructed via simplistic recrystallization succeeded by calcination and were labeled as CuOSC-1, CuOSC-2, and CuOSC-3 (representing the components; CuO and SC for SWCNTs, and the calcination time in hours). The photocatalytic potency of the fabricated nanocomposites was investigated on the basis of their capabili

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