Recent progresses in the application of cellulose, starch, alginate, gum, pectin, chitin and chitosan based (nano) catalysts in sustainable and selective oxidation …

M Nasrollahzadeh, N Shafiei, Z Nezafat… - Carbohydrate …, 2020 - Elsevier
Exploitation of polymers as effective starting materials to produce various valuable catalysts
is attracting the attention of industrial and academic researchers. Moreover, among all …

Pristine and modified chitosan as solid catalysts for catalysis and biodiesel production: A minireview

A Dhakshinamoorthy, M Jacob, NS Vignesh… - International Journal of …, 2021 - Elsevier
Chitosan is one of the readily available polymers with relatively high abundance,
biodegradable and sustainable materials with divergent functional groups that are employed …

Oxidative desulfurization of dibenzothiophene over highly dispersed Mo-doped graphitic carbon nitride

DAF Gonçalves, MVB Pinheiro, K Krambrock… - Chemical Papers, 2022 - Springer
Mo-doped graphitic carbon nitride (Mo/g-C3N4) was successfully prepared by thermal
condensation of a Mo/melamine precursor in a semi-closed alumina crucible at 550° C …

Organic-solvent-free oxidation of styrene, phenol and sulfides with H2O2 over eco-friendly niobium and tantalum based heterogeneous catalysts

H Talukdar, G Saikia, A Das, SY Sultana… - Journal of Industrial and …, 2023 - Elsevier
Immobilization of triperoxido derivatives of Nb (V) and Ta (V) on chitosan, an abundant and
renewable support material, afforded a pair of stable heterogeneous catalysts, which could …

The control of the coordination chemistry for the genesis of heterogeneous catalytically active sites in oxidation reactions

C Bisio, F Carniato, M Guidotti - Angewandte Chemie, 2022 - Wiley Online Library
This Review provides a summary of the use and the role of coordination complexes as
precursors for the generation of heterogeneous catalysts for oxidation reactions of interest …

Removal of pharmaceutical compounds by chitosan nanocomposite membranes with catalytic additives from wastewater

P Mahato, F Arshad, MS Ali, CS Perera, L Zou - Desalination, 2025 - Elsevier
Pharmaceutical contaminants, such as paracetamol (PC) and ibuprofen (IB), are among the
most persistent pollutants in wastewater, raising significant environmental and health …

Ni-chitosan/carbon nanotube: An efficient biopolymer-inorganic catalyst for selective hydrogenation of acetylene

S Tang, L Li, X Cao, Q Yang - Heliyon, 2023 - cell.com
This work developed an efficient Ni catalyst based on chitosan for selective hydrogenation of
acetylene. The Ni catalyst was prepared by the reaction of the chitosan/carbon nanotube …

Water-soluble polymer anchored peroxotitanates as environmentally clean and recyclable catalysts for mild and selective oxidation of sulfides with H2O2 in water

K Ahmed, G Saikia, S Paul, SD Baruah, H Talukdar… - Tetrahedron, 2019 - Elsevier
Anchoring of peroxotitanium (pTi) species to linear water-soluble acrylic acid based
polymers, poly (sodium acrylate)(PA) and poly (sodium methacrylate)(PMA) led to the …

Selective and Mild Oxidation of 5‐Hydroxymethylfurfural to 5‐Hydroxymethyl‐2‐furancarboxylic Acid over Organic Polymer‐Supported Peroxidoniobium (V) Catalysts

H Talukdar, SY Sultana, A Kalita, NS Islam - ChemistrySelect, 2022 - Wiley Online Library
Niobium‐based homogeneous and heterogeneous catalysts were prepared by immobilizing
triperoxidoniobium,[Nb (O2) 3]− species on poly (sodium methacrylate), a linear water …

A novel generalized metal dissolution approach for the synthesis of mixed valent mesoporous metal oxides

WRK Thalgaspitiya, TK Kapuge, D Rathnayake, J He… - Materials Today, 2020 - Elsevier
A novel approach is introduced to synthesize multivalent, mesoporous metal oxides with
high surface area using zero oxidation state precursors. Herein, the synthesis and …