Beckmann rearrangement catalysis: A review of recent advances

K Kaur, S Srivastava - New Journal of Chemistry, 2020 - pubs.rsc.org
The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann
(1853–1923), is an acid catalyzed rearrangement of an oxime to an amide. The Beckmann …

The role of niobium component in heterogeneous catalysts

M Ziolek, I Sobczak - Catalysis Today, 2017 - Elsevier
This review article is devoted to the materials containing niobium and modified by the
addition of different metals or thio-and amino-organosilanes towards the creation of new …

Plasma-catalytic CO2 hydrogenation to methanol over CuO-MgO/Beta catalyst with high selectivity

Q Chen, S Meng, R Liu, X Zhai, X Wang, L Wang… - Applied Catalysis B …, 2024 - Elsevier
Herein, we report a CuO-MgO/Beta catalyst, which exhibits 72.0% methanol selectivity with
8.5% CO 2 conversion in plasma-catalytic CO 2 hydrogenation at ambient conditions (30° C …

Effect of Zirconium modified Y zeolite via in situ synthesis and its regulation on the formation of excellent NiW catalyst for ultra-deep hydrodesulfurization of 4, 6 …

H Sun, L Li, H Zhang, H Yang, T Yang, M Shu… - Chemical Engineering …, 2023 - Elsevier
Alternative support materials, such as Y zeolite, have been introduced to overcome the
challenges associated with industrial alumina-supported hydrodesulfurization (HDS) …

Application of zeolite in Beckmann rearrangement of cyclohexanone oxime

K Wang, F Wang, Y Zhai, J Wang, X Zhang, M Li… - Molecular …, 2023 - Elsevier
Caprolactam is an important raw material for petrochemical products and chemical fiber, and
it is also a raw material for nylon-6 fiber and resin production. This paper reviews the …

Synthesis and characterization of Zr incorporated small crystal size Y zeolite supported NiW catalysts for hydrocracking of vacuum gas oil

Q Cui, S Wang, Q Wei, L Mu, G Yu, T Zhang, Y Zhou - Fuel, 2019 - Elsevier
A series of Zr incorporated small crystal size Y zeolites were successfully synthesized by a
direct hydrothermal method, and the corresponding NiW catalysts were prepared for the …

Niobium incorporated mesoporous silicate, Nb-KIT-6: synthesis and characterization

A Ramanathan, R Maheswari, DH Barich… - Microporous and …, 2014 - Elsevier
The direct incorporation of niobium into ordered cubic large pore mesoporous silicate with
Ia3d structure, KIT-6, is demonstrated via hydrothermal synthesis using a Pluronic P123 …

An overview of caprolactam synthesis

R Kumar, S Shah, P Paramita Das… - Catalysis …, 2019 - Taylor & Francis
Caprolactam is the precursor of many industrial chemical productions as in nylon industry,
plastic industry, paint industry, lysine synthesis and cross-linking for polyurethanes. The …

Synthesis of N-heterocyclic compounds over zeolite molecular sieve catalysts: an approach towards green chemistry

VVKM Kandepi, N Narender - Catalysis Science & Technology, 2012 - pubs.rsc.org
The need for environmentally benign reactions is very important in view of today's eco-
friendly conscious attitude.“Benign by Design” represents the 12 principles of Green …

Acidity enhanced [Al] MCM-41 via ultrasonic irradiation for the Beckmann rearrangement of cyclohexanone oxime to ɛ-caprolactam

Z Wang, H Ling, J Shi, C Stampfl, A Yu, M Hunger… - Journal of catalysis, 2018 - Elsevier
Using solid acid catalysts to replace liquid acids in the liquid-phase Beckmann
rearrangement of cyclohexanone oxime (CHO) into ɛ-caprolactam (CPL) is crucial for the …