- Radioactive element chemistry and processing
- Chemical and Physical Properties in Aqueous Solutions
- Thermal and Kinetic Analysis
- Extraction and Separation Processes
- Nuclear Materials and Properties
- Crystallization and Solubility Studies
- Nuclear reactor physics and engineering
- Chemical Thermodynamics and Molecular Structure
- Thermodynamic properties of mixtures
- Chemical Synthesis and Characterization
- Innovative Microfluidic and Catalytic Techniques Innovation
- Fluid Dynamics and Mixing
- Phase Equilibria and Thermodynamics
- Graphite, nuclear technology, radiation studies
- Microfluidic and Capillary Electrophoresis Applications
- Nuclear and radioactivity studies
- X-ray Diffraction in Crystallography
- Analytical Chemistry and Chromatography
- Risk and Safety Analysis
- Nuclear materials and radiation effects
- Process Optimization and Integration
- Lanthanide and Transition Metal Complexes
- Electrochemical Analysis and Applications
- Analytical Chemistry and Sensors
- Spectroscopy and Quantum Chemical Studies
Indira Gandhi Centre for Atomic Research
2012-2024
Indian Institute of Technology Gandhinagar
2024
Indian Institute of Science Education and Research Kolkata
2022-2023
Patna University
2023
Amity University
2016
Maharaja Ranjit Singh Punjab Technical University
1998
Covalent organic frameworks (COFs) are an outstanding platform for heterogeneous photocatalysis. Herein, we synthesized a pyrene-based two-dimensional C[double bond, length as m-dash]C linked π-conjugated COF via Knoevenagel condensation and anchored Ni(ii)-centers through bipyridine moieties. Instead of traditional dual metallaphotoredox catalysis, the mono-metal decorated Ni@Bpy-sp2c-COF interlocked catalysis mediated by light transition metal. Under irradiation, enhanced energy electron...
The hydrodynamic parameters, namely, dispersed phase holdup and flooding throughput, have been investigated in 25 mm diameter pulsed disk doughnut column (PDDC), no mass transfer conditions. In this work, using existing correlations on plate columns, the throughput are empirically modelled well slip velocity concept. A good agreement is observed between experimental values predicted obtained from empirical correlation. data for has Van Delden model to describe hydrodynamics characteristics...
The amide based nuclear extractant, N,N,N′,N′-tetraoctyl-3-oxapentane-1,5-diamide (TODGA), was synthesized by an alternate route. A noncatalytic steam thermolysis and nitrolysis of TODGA investigated in a SS 316 flow reactor as waste solvent minimization method. All the reaction products were identified using gas chromatography-thermal conductivity-flame ionization-mass spectroscopic detection techniques to get complete mass balance. In pyrolysis products, C1–C4 hydrocarbon gases, NOx, alkyl...
Ion selective electrodes (ISEs) are used to measure the single-ion activity coefficients in aqueous solutions of KNO 3 and KCl at 298.15 K against a double-junction reference electrode. The EMF responses ISEs up 0.01 m plotted obtain slope intercept values. obtained slopes intercepts Nernst equation for higher concentrated calculation individual ion coefficient. mean ionic estimated from single coefficient, results compared with literature
Abstract Buildings on hill slope are highly irregular and asymmetric in plan elevation. They subjected to severe torsion addition lateral forces under the action of earthquakes. In present study, simplified 3D dynamic analysis buildings based transformation stiffness mass various components about a common arbitrarily-chosen reference axis is presented. Few actual building problems have been analysed with simplifed method rigorous analysis. The results two methods advocate use Code Practices...
Abstract Industrial disasters, such as unintended toxic gas releases resulting in fires, explosion, and fatalities, are damaging both the global ecology social acceptance of related technology. Risk consequence analysis is key feature process safety measures for protection environment human life. In this work, risk release anhydrous liquid ammonia one storage tanks, located inside nuclear fuel cycle facility, was analyzed leakages leading to exposure surrounding population fire with allied...
Abstract Tetra-octyl diglycolic amide (TODGA) is an emerging novel solvent for flowsheet demonstrations of nuclear extraction processes used in fuel cycle and associated waste management activities. Mutual solubilities extractant water are important process parameters modeling the mass transfer as these vital phase volume change calculations. Experimental results aqueous solubility TODGA were reported based on SCWO assisted persulphate TOC measurements. binary solutions n -dodecane KF...
Tri- n -butyl phosphate (TBP) is a universal nuclear extractant, commercially used in the PUREX process for last 60 years. However, it prone to nitration and thermal degradation, as consequence red-oil event may be initiated under several operating conditions resulting severe pressurization of vessel/cell if venting inadequate. In this work, an attempt was made understand reaction pathway decomposition nitrated TBP flow reactor at atmospheric pressure. Many products were identified...