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1. Microstructural Investigation of Coke Deposition in Pelleted Catalyst during Downhole Catalytic Upgrading of Heavy Crude Oil Using Porosimetry and X-ray Computed Tomography

   Abstract

   Catalyst pore evolution due to coke and metals (e.g., Ni, V, etc.) deposition from heavy oil catalytic upgrading is studied using nitrogen...

   Abarasi Hart in Catalysis Letters

   Article 01 November 2020
   

2. Investigation of the Pore Structure of Exfoliated Graphite Based on Highly Oriented Pyrolytic Graphite Nitrate

   Abstract

   Graphite intercalated compounds (GICs) with different stage numbers were prepared from highly oriented pyrolytic graphite (HOPG) and nitric...

   A. Krautsou, O. N. Shornikova, ... V. V. Avdeev in Russian Journal of Physical Chemistry A

   Article 01 June 2023
   

3. Determining the Porosity of Rexil Reducing Agent in the Electrofurnace Smelting of Silicon

   Pore classification and methods of determining the porosity in carbon materials—specifically, the reducing agent (rexil, which is a special coke)...

   G. A. Ulyeva in Coke and Chemistry

   Article 01 January 2023

4. The Effect of the Positive Electrode Properties on the Activation Time of the Lead–Perchloric Acid–Lead Dioxide-Based Reserve Chemical Power Sources

   Abstract—

   The influence of the positive electrode properties on the activation time of the reserve chemical power sources based on the lead–perchloric...

   P. A. Shcheglov, D. A. Samsonov, ... A. M. Skundin in Russian Journal of Electrochemistry

   Article 01 December 2023
   

5. Experimental and Theoretical Study of Influence of Nature of Counterion on Electroosmotic Water Transport in Sulfonated Cation-Exchange Membranes

   Abstract

   The free solvent transport number in an MF-4SK perfluorinated membrane in solutions of alkaline metal chlorides and hydrochloric acid is for...

   I. V. Falina, N. A. Kononenko, ... M. V. Gritsay in Membranes and Membrane Technologies

   Article 11 October 2022
   

6. Change of the surface and structure of activated carbon as a result of HNO₃ modification

   In the paper the chemical modification of activated carbon was presented. The activated carbon was modified by nitric acid. For the tested activated...

   Eliza Wolak, Agnieszka Orzechowska-Zięba in Adsorption

   Article Open access 07 July 2023
   

7. Characterisation of asbestos-containing wastes by thermal analysis

   The study examined building materials containing asbestos, which have been considered hazardous waste for several years. Samples were taken from...

   Robert Kusiorowski, Anna Gerle, ... Jakub Adamek in Journal of Thermal Analysis and Calorimetry

   Article Open access 17 June 2024
   

8. Electrotransport Characteristics of Polyaniline-Modified Cations-Exchange Membranes in Solutions of Sulfuric Acid and Nickel and Chromium Sulfates

   Abstract

   The electrotransport properties and the structure of polyaniline-modified sulfocationic membranes MK-40 and MF-4SK are studied in solutions...

   I. V. Falina, N. V. Loza, ... N. A. Kutenko in Russian Journal of Electrochemistry

   Article 16 October 2023
   

9. Effect of post-polymerization crosslinking on morphology of mesoporous poly-divinylbenzene

   Mesoporous poly-divinylbenzenes prepared using very high dilution of monomers with porogenic solvent offer high surface area within relatively large...

   Krasimira Soukupová, Karel Jeřábek in Polymer Bulletin

   Article 09 January 2022
   

10. Effect of Heterogeneous Ion-Exchange Membranes Composition on Their Structure and Transport Properties

    Abstract

    The physicochemical properties of experimental heterogeneous MK-40 and MA-41 membranes with different ratios of ion-exchange resin and...

    V. I. Vasilieva, E. E. Meshcheryakova, ... E. M. Akberova in Membranes and Membrane Technologies

    Article 05 June 2023
    

11. Effect of layered double hydroxides on the calcium leaching of cement pastes

    This work investigated the effect of layered double hydroxides (LDHs) on the calcium leaching of cement pastes. The mass loss, porosity, leaching...

    Lei Zhang, **aodan Tang, ... Linhua Jiang in Journal of Thermal Analysis and Calorimetry

    Article 30 May 2024
    

12. A New Lotus-Leaf-Inspired Beaded Nanofiber Strategy for the Development of Cryogel/Nanofiber Hybrid Structures

    In this study, a cryogel/nanofiber hybrid material was developed using a new lotus-leaf-inspired strategy. The lotus effect was generated via beaded...

    Dilayda Kanmaz, Bilgen Osman, Esra Karaca in Fibers and Polymers

    Article Open access 05 March 2024
    

13. A Novel Synthetic Strategy of 1,4-Benzodiazepine-5-one Derivatives Via Nickel Pyrophosphate (Ni₂P₂O₇) Catalysis

    This study aims to develop a straightforward, green and effective catalytic method for synthesizing 1,4-benzodiazepine-5-one derivatives, which...

    Omar ZIMOU, Achraf EL HALLAOUI, ... Abdelaziz SOUIZI in Catalysis Letters

    Article 04 May 2024
    

14. Effect of the Porous Structure on the Electrochemical Characteristics of Supercapacitor with Nanocomposite Electrodes Based on Carbon Nanotubes and Resorcinol–Formaldehyde Xerogel

    Abstract

    The influence of the porous structure on the electrochemical characteristics of supercapacitors with nanocomposite paper electrodes based on...

    Yu. M. Volfkovich, A. Yu. Rychagov, V. E. Sosenkin in Russian Journal of Electrochemistry

    Article 21 September 2022
    

15. Green heterogeneous catalysts for cleaner solvent-free production of acetates

    The development of new chemical synthetic methodologies that transform industrial chemical processes into more sustainable ones, constitutes one of...

    Silvia Izquierdo, Guadalupe Silvero, ... Ignacio M. López-Coca in Journal of Porous Materials

    Article Open access 19 November 2022
    

16. Study of Low-Permeability Sandstone by Unidirectional Mercury Intrusion Porosimetry

    In light of the fact that the results of conventional mercury intrusion porosimetry experiments may not always be accurate, unidirectional (linear)...

    Luo Hao-ran, Huang Xu-ri, ... Tao Zheng-wu in Chemistry and Technology of Fuels and Oils

    Article 22 September 2018
    

17. Design of porous Geopolymers for hygrothermal applications: role of nano and meso porosity

    Soluble silica content and the concentration of hydrogen peroxide were used to achieve porous geopolymers with nano, meso and milliporosity. The use...

    Zenabou N. M. Ngouloure, E. Kamseu, ... C. Leonelli in Silicon

    Article 17 February 2022

18. Reduced Graphene Oxide–Polytetrafluoroethylene Composite Aerogels, Their High Hydrophobicity and Superhydrophilicity

    Abstract—

    Composite aerogels based on reduced graphene oxide (rGO) and polytetrafluoroethylene (PTFE) have been synthesized at different component...

    Yu. M. Volfkovich, V. E. Sosenkin, ... Y. M. Shulga in Colloid Journal

    Article 01 August 2022
    

19. Physicochemical Properties and Performance Characteristics of Perfluorinated Membranes Bulk Modified with Platinum during Operation in Proton Exchange Membrane Fuel Cell

    Abstract

    The results of application of platinum bulk modified perfluorinated membranes in proton exchange membrane fuel cell (PEMFC) are presented....

    D. S. Kudashova, I. V. Falina, ... K. S. Demidenko in Membranes and Membrane Technologies

    Article 01 February 2023
    

20. Structure and Texture of Industrial Coke Samples: A Comparison

    Abstract

    Samples of baked low-temperature and needle coke are compared by X-ray phase analysis, X-ray structural analysis, analytical scanning...

    S. A. Sozinov, A. N. Popova, ... Z. R. Ismagilov in Coke and Chemistry

    Article 01 October 2021