12/24/2020

Investigating the flow structures in semi-cylindrical bubbling fluidized bed using pressure fluctuation signals

Abstract Hydrodynamic characteristics of a gas-solid semi-cylindrical fluidized bed was experimentally investigated and compared with that of a cylindrical bed by analysis of pressure fluctuations. Pressure […]
12/24/2020

Investigating bubble dynamics in a semi-cylindrical gas-solid fluidized bed

Abstract Bubble dynamics (i.e., bubble shape, bubble size, bubble rise velocity) and bed voidage in a semi-cylindrical gas-solid fluidized bed at various superficial gas velocities and […]
12/24/2020

Effect of interparticle force on gas dynamics in a bubbling gas-solid fluidized bed: A CFD-DEM study

AbstractThe influence of cohesive interparticle force (IPF) on gas dynamics in a bubbling gas-solidfluidized bed was numerically investigated while the bed hydrodynamics was described with thehelp […]
12/24/2020

Evaluation of ethyl lactate as solvent in Fenton oxidation for the remediation of total petroleum hydrocarbon (TPH)-contaminated soil

Abstract Due to the health and environmental risks posed by the presence of petroleum-contaminated areas around the world, remediation of petroleum-contaminated soil has drawn much attention […]
12/24/2020

Investigation of ethyl lactate as a green solvent for desorption of total petroleum hydrocarbons (TPH) from contaminated soil

Abstract: Treatment of oil contaminated soil is a major environmental concern world-wide. The aim of this study is to examine the applicability of a green solvent, […]
12/24/2020

A green approach to the synthesis of chalcones via Claisen-Schmidt condensation reaction using cesium salts of 12-tungstophosphoric acid as a reusable nanocatalyst

Abstract The catalytic efficacy of different cesium salts of 12-tungstophosphoric acid as nanocatalysts was checked in Claisen-Schmidt condensation of aldehydes and ketones under solvent-free conditions to […]
12/24/2020

SYNTHESIS OF BIOLOGICALLY ACTIVE CHALCON ANALOGUES VIA CLAISEN-SCHMIDT

ABSTRACT Biologically active chalcones were synthesized via Claisen-Schmidt condensation of aldehydes with different ketones in solvent-free conditions using H5PMo10V2O40 supported on SiO2 as a reusable heterogeneous […]
12/24/2020

Structural Features of Two Pyridyl Compounds of 1,5-Bis-(2′-pyridyl)pentane-1,3,5-trione and a New Salt of Doubly Protonated Hydroxyterpyridinium

Abstract   A keto-enol equilibrium between two tautomers of the 1,5-bis(2′-pyridyl)pentane-1,3,5-trione (trione) (1) was observed in solution based on 1H and 13C NMR spectroscopy. NMR data shows […]
12/24/2020

From 4′-Hydroxy-2,2′:6′,2”-Terpyridine Complex of Chromium(III) towards Cr2O3 Nanoparticles: Effects of the Calcination Temperature on the Particle Size and Morphology

Abstract The catalytic efficacy of different cesium salts of 12-tungstophosphoric acid as nanocatalysts was checked in Claisen-Schmidt condensation of aldehydes and ketones under solvent-free conditions to […]