Application of radio analytical tracer technique to study the performance of industrial grade ion exchange resin exposed to UV radiations
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Pravin U. Singare
Abstract
The thermodynamics and kinetics of bromide ion-isotopic exchange reactions performed by using fresh and UV radiation degraded industrial grade anion exchange resin Duolite A-638 resins were studied by application of radio analytical tracer technique. The reaction rate k in min−1 for the fresh resin decreases sharply with decrease in wavelength of UV radiations. Thus for 0.200 M labeled bromide ion solution maintained at a constant temperature of 30.0 °C, the k value for fresh resin (0.367 min−1), decreases to 0.335 min−1 for λ384 UV radiation degraded resin, which further decreases to 0.273 min−1 for λ284 UV radiation degraded resin. Under identical experimental conditions, the thermodynamic parameters like energy of activation (−1.65 kJ/mol), enthalpy of activation (−4.24 kJ/mol), free energy of activation (64.85 kJ/mol), and entropy of activation (−0.229 kJ/K/mol) calculated for the fresh resin increases to −1.61 kJ/mol, −4.19 kJ/mol, 64.92 kJ/mol, and −0.228 kJ/K/mol respectively for λ384 UV radiation degraded resin; which further increases to −1.60 kJ/mol, −4.18 kJ/mol, 65.17 kJ/mol, and −0.228 kJ/K/mol respectively for λ284 UV radiation degraded resin. Increase in thermodynamic parameters calculated here for the fresh and degraded resins suggests that decrease in wavelength of UV radiations has catastrophic effect on the resin making the bromide ion-isotopic exchange reactions thermodynamically less feasible. The impact of UV radiation on resin degradation was supported by their characterization study using Fourier-transform infrared spectroscopy (FTIR) and Scanning Electron Microscopy (SEM) techniques.
Acknowledgment
The author is thankful to Professor Dr. R.S. Lokhande (Retired) for his valuable help and support by providing the required facilities so as to carry out the experimental work in Radiochemistry Laboratory, Department of Chemistry, University of Mumbai, Vidyanagari, Mumbai – 400 058.
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Author contributions: The author has accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This research did not receive any financial support from funding agencies in the public, commercial, or non-profit sectors.
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Conflict of interest statement: The author declares no conflicts of interest regarding this article.
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Artikel in diesem Heft
- Frontmatter
- Study of a perforated hollow cylinder and twisted tape inserts as a compound device in a circular tube for heat transfer enhancement
- Pool boiling performance of oxide nanofluid on a downward-facing heating surface
- The CANDLE burnup strategy applied to small modular pressurized water reactor loading with fully ceramic microencapsulated fuel
- Automatic sentiment analysis of public opinion on nuclear energy
- One-dimensional and three-dimensional coupling simulation research of centrifugal cascade hydraulics
- Analysis of the anticipated transient without scram (ATWS) initiated by emergency power mode through the full scope simulator
- Application of radio analytical tracer technique to study the performance of industrial grade ion exchange resin exposed to UV radiations
- Radioactive waste treatment technology: a review
- Positron annihilation lifetime spectroscopy of annealed tungsten
- Simulation of cobalt-60 production in research reactors using OpenMC Monte Carlo code
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- Calendar of events
Artikel in diesem Heft
- Frontmatter
- Study of a perforated hollow cylinder and twisted tape inserts as a compound device in a circular tube for heat transfer enhancement
- Pool boiling performance of oxide nanofluid on a downward-facing heating surface
- The CANDLE burnup strategy applied to small modular pressurized water reactor loading with fully ceramic microencapsulated fuel
- Automatic sentiment analysis of public opinion on nuclear energy
- One-dimensional and three-dimensional coupling simulation research of centrifugal cascade hydraulics
- Analysis of the anticipated transient without scram (ATWS) initiated by emergency power mode through the full scope simulator
- Application of radio analytical tracer technique to study the performance of industrial grade ion exchange resin exposed to UV radiations
- Radioactive waste treatment technology: a review
- Positron annihilation lifetime spectroscopy of annealed tungsten
- Simulation of cobalt-60 production in research reactors using OpenMC Monte Carlo code
- Half-space albedo problem for the Anlı-Güngör scattering function
- Calendar of events
