Identification and characterization of surface hydroxyl groups by infrared spectroscopy

K Hadjiivanov - Advances in Catalysis, 2014 - Elsevier
Surface hydroxyl groups are active centers in many catalytic reactions and can play an
important role during catalyst preparation. In this chapter, the application of infrared …

Valorization of slaughterhouse wastes through transesterification for sustainable biodiesel production using potassium hydroxide as a heterogeneous catalyst

R Ashouri, D Jafari, M Esfandyari, G Vatankhah… - Journal of Cleaner …, 2024 - Elsevier
In this research, biodiesel was synthesized from chicken gizzard using potassium hydroxide
catalyst and the effects of operating parameters including catalyst weight percentage (0.005 …

Advanced in situ IR spectroscopy study of anisole hydrodeoxygenation over Ni/SiO2 catalysts

P Yan, X Tian, EM Kennedy, M Stockenhuber - Journal of Catalysis, 2023 - Elsevier
Hydrodeoxygenation (HDO) of anisole was investigated over Ni/SiO 2 catalysts prepared by
incipient wetness impregnation (IWI) and deposition–precipitation (DP). The in situ FTIR …

Diffusion of confined fluids in microporous zeolites and clay materials

S Mitra, VK Sharma… - Reports on Progress in …, 2021 - iopscience.iop.org
Fluids exhibit remarkable variation in their structural and dynamic properties when they are
confined at the nanoscopic scale. Various factors, including geometric restriction, the size …

Novel carbon-nanoparticle polysulfone hollow fiber mixed matrix ultrafiltration membrane: Adsorptive removal of benzene, phenol and toluene from aqueous solution

R Mukherjee, S De - Separation and Purification Technology, 2016 - Elsevier
Novel mixed matrix (MMM) hollow fiber membranes were prepared and characterized with
varying concentration of super adsorbent carbon nanoparticle and polysulfone …

Regeneration mechanism of a deactivated zeolite-supported catalyst for the combustion of chlorinated volatile organic compounds

P Sun, J Chen, S Zai, S Gao, X Weng… - Catalysis Science & …, 2021 - pubs.rsc.org
Industrial catalysis is confronted with the common problem of catalyst deactivation. For the
field of chlorinated volatile organic compound (Cl-VOC) elimination, it is hard to find an …

Diffusion of acetylene inside zeolite: Molecular dynamics simulation studies

S Gautam, S Mitra, R Mukhopadhyay, SL Chaplot - Physical Review E …, 2006 - APS
Dynamics of acetylene molecules adsorbed in Na-Y zeolite cages is investigated using
molecular dynamics simulation. The translational motion of the acetylene molecules is …

Temperature-programmed desorption and infrared spectroscopic studies of benzene adsorption in zeolite ZSM-5

N Sivasankar, S Vasudevan - The Journal of Physical Chemistry …, 2004 - ACS Publications
The adsorption and desorption of benzene over the zeolite H-ZSM-5 has been investigated
using simultaneous Fourier transform infrared (FTIR)− temperature-programmed desorption …

Interaction of benzene with hydroxyl groups in zeolites: A FTIR study of C6H6 and C6D6 adsorption on H-ZSM-5 and D-ZSM-5

K Chakarova, K Hadjiivanov - Microporous and mesoporous materials, 2011 - Elsevier
Adsorption of benzene on H-ZSM-5 leads, at low coverages, mainly to formation of 1: 1
adducts with the zeolite bridging hydroxyl groups (3612cm− 1). As a result, the O–H modes …

Dynamics of adsorbed hydrocarbon in nanoporous zeolite framework

VK Sharma, S Gautam, S Mitra, MN Rao… - The Journal of …, 2009 - ACS Publications
We report quasielastic neutron scattering (QENS) and molecular dynamics (MD) simulation
study of the dynamics of propylene molecules adsorbed in Na-ZSM5 zeolite. MD simulation …