Showing 441 - 460 results of 1,089 for search '"catalyst"', query time: 0.07s Refine Results
  1. 441

    Photocatalytic Treatment of Shower Water Using a Pilot Scale Reactor by Yash Boyjoo, Ming Ang, Vishnu Pareek

    Published 2012-01-01
    “…Several operational parameters were studied including the slurry initial pH, catalyst concentration, air flow rate, and slurry recirculation rate. …”
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    Article
  2. 442
  3. 443

    Monodispersed Iron Selenide Nanoparticles United with Carbon Nanotubes for Highly Reversible Zinc–Air Batteries by Hua Zhang, Tong Zeng, Jiale Ma, Yue Jiang, Yang Huang, Yuxin Cheng, Haifeng Ye, Cuiyun Zeng, Chenghui Zeng, Minshen Zhu, Shuiliang Chen

    Published 2025-02-01
    “…Graphitic carbon shells enclosing monodispersed iron selenide address the primary challenge of nanoparticle catalysts—aggregation and corrosion of nanoparticles over repeated oxygen redox reactions. …”
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  4. 444

    Catalytic degradation of dyes using gold nanoparticles supported over chitosan coated cotton cloth composite by Awais, Fahim Ullah, Adnan Khan, Romana Khan, Sher Bahadar Khan, Khalid A Alzahrani, Nauman Ali, Mazhar Ul-Islam, Muhammad Tariq Saeed Chani, Tahseen Kamal

    Published 2025-01-01
    “…The recyclability of the catalyst was demonstrated by repeatedly recovering and reusing it in three successive cycles. …”
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    Article
  5. 445

    Promising Directions in Chemical Processing of Methane from Coal Industry. Part 4. Long-term Stability Test by Е.V. Matus, O.V. Tailakov, O.B. Sukhova, A.V. Salnikov, O.A. Stonkus, M.A. Kerzhentsev, S.R. Khairulin, Z.R. Ismagilov

    Published 2024-12-01
    “…The Ce0.2Ni0.8O1.2/Al2O3 catalyst is resistant to thermal sintering and coking, which ensures no deactivation. …”
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    Article
  6. 446
  7. 447

    Ultrasonic Degradation of Fuchsin Basic in Aqueous Solution: Effects of Operating Parameters and Additives by Rui-Jia Lan, Ji-Tai Li, Bao-Hua Chen

    Published 2013-01-01
    “…But addition of heterogeneous catalyst TiO2 affected degradation slightly. Addition of radical scavenger suppressed fuchsin basic degradation significantly.…”
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  8. 448

    Titanium Dioxide-Mediated Photcatalysed Degradation of Two Herbicide Derivatives Chloridazon and Metribuzin in Aqueous Suspensions by A. Khan, N. A. Mir, M. Faisal, M. Muneer

    Published 2012-01-01
    “…The photocatalyst, Degussa P25, was found to be more efficient catalyst for the degradation of both herbicides as compared with two other commercially available TiO2 powders like Hombikat UV100 and PC500. …”
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    Article
  9. 449

    effect of tapioca starch concentration on mechanical properties of Sansevieria Trifasciata fiber-reinforced composites by Misbakh, Edi Widodo, Iis Siti Aisyah, Syahruddin, Nur Haizal Ariffin

    Published 2024-09-01
    “…The composites were fabricated using the hand lay-up method with SHCP 2668 polyester resin, mekpo catalyst, and alkali-treated fibers (5% NaOH). The fiber weight fraction was 30%, and the catalyst weight was 10% of the total specimen mass. …”
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  10. 450

    L-Proline-Catalyzed Synthesis of Phthalimide Derivatives and Evaluation of Their Antioxidant, Anti-Inflammatory, and Lipoxygenase Inhibition Activities by Shagufta Perveen, Raha Orfali

    Published 2018-01-01
    “…To synthesize the phthalimide derivatives, initially the reaction was optimized with various catalysts, and L-proline was found to be the best catalyst as it provided excellent yield. …”
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  11. 451

    Photooxidation of Toluene: Correlation of Noble Metal Loading on Titania and Activation Energy by Haroon ur Rashid, Mohammad Sadiq, Muhammad Abid Zia, Saima Sadiq, M. Sohail Ahmad, Razia Aman, Muhammad Humayun, Rahmat Ali

    Published 2016-01-01
    “…The catalysts were characterized by SEM, EDX, XRF, XRD, FT-IR, and BET surface area analysis. …”
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  12. 452

    Research on Ethanol Coupling to Prepare C4 Olefins Based on BP Neural Network and Cluster Analysis by Sheng-Mei Zhang, Wen-Li Zhan, Han Hu, Yu-Shu Liu, Jia-Ming Zhu

    Published 2022-01-01
    “…Secondly, based on the two-dimensional visualization analysis, we cluster the different catalyst combinations; divide the influencing factors into temperature, Co/SiO2 and HAP loading ratio, Co loading, and ethanol concentration; and construct a quaternary linear regression equation that affects ethanol conversion rate and C4 olefin selectivity. …”
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  13. 453

    Treatment of Pesticides in Wastewater by Heterogeneous and Homogeneous Photocatalysis by Catalina Daniela Stan, Igor Cretescu, Cristina Pastravanu, Ioannis Poulios, Maria Drăgan

    Published 2012-01-01
    “…In the case of heterogeneous reactions, the influence of five factors was studied: the type of catalyst, photocatalyst concentration, pH, pesticide concentration, and the presence of H2O2 and/or Fe3+. …”
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  14. 454

    Effect of Different Templates on the Synthesis of Mesoporous Sodalite by Shima Shirani Lapari, Zainab Ramli, Sugeng Triwahyono

    Published 2015-01-01
    “…However, sodalite has several drawbacks in the catalyst application due to its smallest pore size (2.8 Å) and low surface area. …”
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  15. 455

    Process Optimization for Biodiesel Production from Corn Oil and Its Oxidative Stability by N. El Boulifi, A. Bouaid, M. Martinez, J. Aracil

    Published 2010-01-01
    “…The process variables, temperature and catalyst concentration were found to have significant influence on biodiesel yield. …”
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  16. 456

    Hybrid Carbon Fibers/Carbon Nanotubes Structures for Next Generation Polymeric Composites by M. Al-Haik, C. C. Luhrs, M. M. Reda Taha, A. K. Roy, L. Dai, J. Phillips, S. Doorn

    Published 2010-01-01
    “…Here we compare between two techniques for depositing the catalyst iron used toward growing CNTs on pitch-based carbon fiber surfaces. …”
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  17. 457

    Synthesis and characterization of novel functional vinyl ethers that bear various groups by Fayad, Antoinette, El Malti, Wassim, Ameduri, Bruno, Alaaeddine, Ali

    Published 2022-02-01
    “…An air-stable palladium catalyst generated in situ efficiently catalyzed the reaction leading to various VEs in a single step with good alcohol conversion (50–82%) and good VE yields (up to 75%). …”
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  18. 458

    Enhanced Photocatalytic Degradation of Rhodamine B Using C/Fe Co-Doped Titanium Dioxide Coated on Activated Carbon by Thuy Le Thi Thanh, Lan Nguyen Thi, Trinh Tran Dinh, Noi Nguyen Van

    Published 2019-01-01
    “…Carbon and iron co-doped titanium dioxide catalyst coated on activated carbon (Fe-C-TiO2/AC) was successfully synthesized using the sol-gel method, followed by hydrothermal treatment. …”
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  19. 459

    Kinetic Insights into Solar-Assisted Fabrication and Photocatalytic Performance of CoWO4/NCW Heterostructure by Ali Abed Hassan, Ibtehal Kareem Shakir

    Published 2024-10-01
    “…The results indicate that the heterostructure exhibits improved photocatalytic performance compared to individual components, which kinetics model was the best to represent the photocatalytic degradation of organic pollutants from oily wastewater over the heterostructure CoWO4/NCW catalyst. Add future applications of this finding in the relevant industries. …”
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  20. 460

    Keggin-Type Heteropolyacid for Ring-Opening Polymerization of Cyclohexene Oxide: Molecular Weight Control by Ahmed Aouissi, Zeid Abdullah Al-Othman, Abdurrahman Salhabi

    Published 2015-01-01
    “…The effect of polymerization parameters such as reaction time, temperature, and catalyst amount was investigated. The effect of acetic anhydride as a ring-opening agent was also investigated. …”
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