Showing 101 - 120 results of 1,089 for search '"catalyst"', query time: 0.07s Refine Results
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    New Method for Removal of Organic Dyes Using Supported Iron Oxide as a Catalyst by Samia A. Kosa, Naha M. Al-sebaii, Islam H. Abd El Maksod, Eman Z. Hegazy

    Published 2016-01-01
    “…In this study, we perform a catalytic decomposition of organic dye over Fe2O3-CeO2-TiO2-γ-Al2O3 catalyst in the presence of molecular oxygen and chlorate ions. …”
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    Article
  5. 105

    Photodegradation of Rhodamine B in Presence of CaO and NiO-CaO Catalysts by Tobias Kornprobst, Johann Plank

    Published 2012-01-01
    “…A CaO catalyst was prepared by mild calcination (650°C) of facilely precipitated Ca(OH)2 and compared to an NiO-CaO catalyst obtained from an Ni(OH)2/Ca(OH)2 coprecipitate as a precursor. …”
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  6. 106

    Kaolin-supported molybdovanado phosphoric acid as green catalyst for fluoride ion removal in water by Mayani Suranjana V., Arunachalam Kantha Deivi, Nikam Rahul, Bhattacharya Debleena, Sharma Archana, Mayani Vishal J.

    Published 2025-01-01
    “…Using the impregnation approach, molybdovanado phosphoric acid (MVPA) has been immobilized onto kaolin resulting in a green heterogeneous catalyst (MVPA@Kaolin). A comprehensive physicochemical analysis was performed on the catalyst. …”
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    Article
  7. 107

    Synthesis and Characterization of 5-Hydroxymethylfurfural from Corncob Using Solid Sulfonated Carbon Catalyst by Moges Admasie Mengstie, Nigus Gabbiye Habtu

    Published 2020-01-01
    “…The precursor of the catalyst material was chemically impregnated with ZnCl2 prior to carbonization. …”
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    Nanocrystalline TiO2 with enhanced photoinduced charge separation as catalyst for the phenol degradation by Carmen Canevali, Franca Morazzoni, Roberto Scotti, Ignazio Renato Bellobono, Marco Giusti, Marco Sommariva, Massimiliano D'Arienzo, Andrea Testino, Anna Musinu, Carla Cannas

    Published 2006-01-01
    “…Nanocrystalline TiO2 catalysts based on pure rutile (R100) and a 30% of anatase and 70% of rutile (R70) were synthesized by the sol-gel method, using Pluronic PE 6400 as templating agent. …”
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  10. 110

    Biodiesel Production Optimization from Waste Cooking Oil Using Animal Bone Catalyst by Joy Iruoghene Urete, Michael Owoicho Sule, Juliet Gordon, Olawale Samson Kolade, Roi Nze, Samuel Ayegu Tsebam, Oyedele Babatunde Oyeleye, David Udo Robinson, Ibrahim Ademola Fetuga

    Published 2023-09-01
    “… The goal of the current study is to use a heterogeneous catalyst made from biological-waste (animal bone) to optimize the process parameters needed to transform used cooking oil (WCO) into methyl- esters. …”
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    Article
  11. 111

    A Method for Determination of Metals in Hybrid Metal Oxide/Metal-Carbon Nanotubes Catalysts by Joanna Bok-Badura, Agata Jakóbik-Kolon, Agata Łamacz, Krzysztof Karoń

    Published 2017-01-01
    “…Recently, carbon nanotubes were proposed as a new type of carbon support for catalysts. Fe, Pt, Ni, Co, and other metals anchored to CNTs are used in various reactions. …”
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    Article
  12. 112

    The Use of Extraction Methods for Recovering Metals and Carriers from Spent Carbon Sorbents and Catalysts by E. Bezak-Mazur, L. Dąbek, M. Repelewicz, A. Świątkowski

    Published 2002-07-01
    “…The usefulness of extraction methods such as leaching, extraction with complex-forming organic solvents and supercritical extraction in recovering metals and carbon carriers from dangerous wastes such as carbon impregnates and catalysts is discussed.…”
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  13. 113
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    Comparison of Catalysts Preyssler and Silica-Supported Nano Preyssler in the Synthesis of Acetyl Salicylic Acid by H. Nazari, A. Ahmadpour, F. F. Bamoharram, M. M. Heravi, N. Eslami

    Published 2012-01-01
    “…The best conditions were observed using Preyssler and Silica-supported Preyssler Nanoparticles as catalysts. The catalyst is recyclable and reusable.…”
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  15. 115

    Use of building wastes and red mud as CO2 sorbent and catalyst for the production of hydrogen by Despina Vamvuka, Stavroula Panagiotidou, Agapi Orfanoudaki

    Published 2024-07-01
    “…The effects of temperature, sorbent/fuel ratio, and catalyst loading on final conversion, product gas composition and heating value, hydrogen yield, and energy recovery were examined, and optimum conditions were determined. …”
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  16. 116

    Cellulose Sulfonic Acid: An Efficient Heterogeneous Catalyst for the Synthesis of 1, 8-Dioxo-octahydroxanthenes by Hossein A. Oskooie, Leili Tahershamsi, Majid M. Heravi, Bita Baghernejad

    Published 2010-01-01
    “…1,8-Dioxo-octahydroxanthenes have been synthesized good yields via a reaction of aldehydes and dimedone in the presence of cellulose sulfonic acid as a heterogeneous catalyst under solvent-free condition.…”
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    A Type of MOF-Derived Porous Carbon with Low Cost as an Efficient Catalyst for Phenol Hydroxylation by Renjie Zhou, Gui Chen, Yuejun Ouyang, Hairui Ni, Nonglin Zhou, Bailin Xiang

    Published 2021-01-01
    “…After MDPC-600 was loaded with Cu ions, the catalyst Cu/MDPC-600 was acquired by heat treatment under nitrogen atmosphere. …”
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  20. 120

    Analyzing dead core formation in catalyst pellets of various geometries under non-isothermal conditions by M. Menaka, R. Manimaran, S. Saravanakumar, L. Rajendran, A. Eswari

    Published 2025-03-01
    “…This article presents a theoretical model for the formation of a dead core within catalyst pellets. The model investigates the nonlinear reaction-diffusion equations governing reactions within catalyst pellets, focusing on the spatial distribution and transformation of substances. …”
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