Hydrogenation of Dibenzo-18-Crown-6 Ether Using γ-Al2O3 Supported Ru-Pd and Ru-Ni Bimetallic Nanoalloy Catalysts
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Yogeshwar R. Suryawanshi
, Smita Jauhari
Abstract
Ruthenium-palladium (Ru-Pd) and ruthenium-nickel (Ru-Ni) bimetallic nanoalloy particles with various metal compositions were synthesized by microwave irradiated (MWI) solvothermal technique using PVP (poly-N-vinyl-2-pyrrolidone) as capping agent and ethylene glycol as a solvent as well as reducing agent. Synthesized bimetallic nanoalloy particles were subsequently impregenated onto γ-Al2O3 support to obtain supported nanoalloy catalysts. Agglomeration of nanoalloyparticles were restricted by using excess solvent during synthesis, then distilled and recovered after completion of reaction. Hydrogenation of Dibenzo-18-crown-6 ether (DB18C6) was carried out at 9 MPa, 120°C and 3.5 h using synthesized bimetallic nanoalloy catalysts. It was observed that bimetallic nanolloycatalyst synthesized by MWI using Ru:Pd 3:1 % (w/w), exhibited higher catalytic activity and resulted 98.9 % conversion of DB18C6 with 100 % selectivity towards cis-syn-cis dicyclohexano-18-crown-6 ether (CSC DCH18C6).
Funding statement: Funder Name: Bhabha Atomic Research Centre, Funder Id: 10.13039/501100005031, Grant Number: 2011/36/02-BRNS/0080 dated 13.04.11
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Artikel in diesem Heft
- Review
- Steam Reforming of Biomass Pyrolysis Oil: A Review
- Research Articles
- Characterization of Highly Active Al2O3-TiO2 Supported Pt and Pd Catalysts for Hydrodechlorination of 1,2-Dichloroethane
- Simulation of Methanol Carbonylation Reactor in Acetic Acid Production Plant: Selection of an Appropriate Correlation for Mass Transfer Coefficients
- Batch Adsorption of Synthetic Dye by Maclura Pomifera, a New Eco-Friendly Waste Biomass: Experimental Studies and Modeling
- Scale-Up of Shear Thinning Fluid Mixing in an Unbaffled Stirred Vessel with Eccentrically Located and Modified Impellers
- Hydrogenation of Dibenzo-18-Crown-6 Ether Using γ-Al2O3 Supported Ru-Pd and Ru-Ni Bimetallic Nanoalloy Catalysts
- Numerical Simulation of Gas-Liquid Dispersion in A Stirred Tank Agitated by Punched Rigid-Flexible Impeller
- RTD Measurement, Modeling, and Analysis of Liquid Phase of Three-Tube Industrial Pulp Digester
- Bio-Crude by Acidic Phenolation and Carbamation for the Preparation of Phenolic Thermosetting Resin and Its Application in Thermoresistant Laminates
- Effect of Slot Wall Jet on Combustion Process in a 660 MW Opposed Wall Fired Pulverized Coal Boiler