Search Results - "Sen, Nirvik"

Synthesis of polyacrylamide (PAM) beads in microreactors by Sen, Nirvik, Shaikh, T., Singh, K.K., Sirsam, R., Shenoy, K.T.

“…[Display omitted] •Synthesis of uniform spherical polyacrylamide (PAM) hydrogel beads in microreactors by using inverse suspension polymerization.•Segmentation…”
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Optimization of bromocresol green degradation using ozone micro bubbles: response surface analysis and techno-commercial aspects of a 75 kL/day scale-up plant by Sen, Nirvik, Badiwal, Ankit, Singh, Krishna Kumar, Mukhopadhyay, Sulekha, Shenoy, Kalsanka Trivikram

“…Degradation of bromocresol green in alcohol-water solution using ozone micron sized bubbles is reported. A high speed impeller is used to generate micro…”
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Microfluidic solvent extraction of no-carrier-added 64Cu from irradiated Zn target for radiopharmaceutical preparation by Chakravarty, Rubel, Sen, Nirvik, Patra, Sourav, Rajeswari, A., Shetty, Priyalata, Singh, Krishna Kumar, Chakraborty, Sudipta

“…•High specific activity 64Cu was produced via 64Zn (n, p) 64Cu reaction in nuclear reactor.•Microfluidic based liquid-liquid extraction system was developed…”
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Flow synthesis of intrinsically radiolabeled and renal-clearable ultrasmall [198Au]Au nanoparticles in a PTFE microchannel by Chakravarty, Rubel, Sen, Nirvik, Ghosh, Sanchita, Sarma, Haladhar Dev, Guleria, Apurav, Singh, Krishna Kumar, Chakraborty, Sudipta

“…•Ultrasmall (< 5 nm diameter) 198Au[Au] NPs were synthesized in a microreactor.•Effect of different operating parameters on Au nanoparticle size were…”
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Non-invasive monitoring of segregated phases in a biogas plant: An ultrasonic approach by Mukherjee, Debmalya, Sarkar, Sourav, Sen, Nirvik, Singh, K.K., Saha, Shilpi, Mehetre, Sayaji, Mayya, Anuradha, Shenoy, K.T.

“…A non-invasive ultrasonic technique (UT) is developed to determine gas-liquid-solid composition inside digester of a biogas plant. The technique involves…”
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Density, Viscosity, Speed of Sound, and Refractive Index of Nitric Acid–Water System by Rajesh, Mouli, Sen, Nirvik, Singh, Krishna Kumar

“…Different concentrations of nitric acid are routinely used in various steps of the nuclear fuel cycle in both the front and back ends. The physical properties…”
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Solvent-Free Synthesis of [DMIM]DMP Ionic Liquid in a Microreactor and Scale-Up Aspects by Sen, Nirvik, Singh, Krishna Kumar, Mukhopadhyay, Sulekha, Shenoy, Kalsanka Trivikram

“…High-temperature, solvent-free, and continuous flow synthesis of dimethyl-imidazolium-dimethylphosphate ([DMIM]­DMP) in a microreactor is reported for the…”
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Experiments and CFD modelling of bubble formation at a lateral hole in a top-submerged nozzle by Sen, Nirvik, Sarkar, S., Singh, K.K.

“…Top-submerged nozzles with lateral holes find applications as passive mixing devices in radiochemical/hazardous industries. We report the mechanism of bubble…”
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Experimental Study on Gas–Liquid–Liquid Hydrodynamics in an Air-Lift Solvent Extraction Mixer-Settler by Ojha, Ankit, Sen, Nirvik, Singh, Krishna Kumar, Krishnan, Umadevi, Pillai, Sreekumar G.

“…Hydrodynamics and mixing characteristics for gas–liquid–liquid three-phase flow in an air-lift solvent extraction mixer settler are reported. The setup…”
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Illumination Invariant Automated Drop Size Estimation by Mukherjee, Debmalya, Sen, Nirvik, Singh, Krishna Kumar, Saha, Shilpi, Mayya, Anuradha, Shenoy, Kalsanka Trivikram

“…Estimation of drop size distribution is important to understanding chemical processes and mass transfer operations involving liquid–liquid two-phase flows…”
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Bubble formation at top-submerged nozzles immersed in a quiescent liquid by Sarkar, Soumya, Sen, Nirvik, Singh, K.K.

“…Mixing is one of the most common unit operations used in radiochemical plants. In such plants, air induced mixing is preferred which is an economic and…”
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Non‐invasive mixing time estimation in unbaffled stirred tank: An ultrasonic approach by Mukherjee, Debmalya, Sen, Nirvik, Singh, Krishna Kumar, Saha, Shilpi, Mayya, Anuradha, Shenoy, Kalsanka Trivikram

“…Estimation of mixing time is an essential aspect in characterization of stirred tanks. In this work, we report a novel, non‐invasive technique to estimate…”
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Ultrasound Based Noninvasive Estimation of Mixing Time in a Vortex Reactor by Sen, Nirvik, Mukherjee, Debmalya, Singh, Krishna Kumar, Saha, Shilpi, Mayya, Anuradha, Shenoy, Kalsanka Trivikram

“…A vortex reactor represents an important class of equipment in chemical processing industries pertaining to crystallization and precipitation. They are…”
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Single-Phase Flow Studies Using Radioactive Particle Tracking in an Air-Pulsed Column Having a Novel Plate Internal by Pillajetti, Premsagar, Gupta, Raghvendra, Goswami, Sunil, Pant, Harish Jagat, Sen, Nirvik, Singh, Krishna Kumar, Shenoy, Kalsanka Trivikram, Upadhyay, Rajesh Kumar

“…The transport processes in liquid–liquid extraction pulsed columns are significantly influenced by the localized flow field in the column. The localized flow…”
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Mathematical modeling of ozone assisted cerium redox process for the surface removal of stainless steel components using a static mixer as gas-liquid contactor by Singh, Sukhdeep, Sen, Nirvik, Patel, V.P., Banerjee, D., Karunakaran, Shaji, Kumar, Sanjay

“…This paper deals with a cerium based redox chemical process which is used for the surface removal and decontamination of stainless steel components arising…”
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Recovery of uranium from lean streams by extraction and direct precipitation in microchannels by Sen, Nirvik, Darekar, Mayur, Sirsat, Pratik, Singh, K.K., Mukhopadhyay, S., Shirsath, S.R., Shenoy, K.T.

“…•Intensification of process of recovery of uranium from lean aqueous streams.•Microfluidic extraction of uranium from aqueous phase by using…”
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Investigation of Velocity Field Inside a Single-Phase Pulsed Sieve Plate Column Using Radioactive Particle Tracking by Pillajetti, Premsagar, Gupta, Raghvendra, Goswami, Sunil, Pant, Harish Jagat, Sen, Nirvik, Singh, Krishna Kumar, Shenoy, Kalsanka Trivikram, Upadhyay, Rajesh Kumar

“…Pulsed sieved plate columns (PSPCs) are used for liquid–liquid extraction processes in several industries such as mineral processing, pharmaceuticals, and…”
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Experimental Studies on Two-Phase Flow with a Novel Slotted Plate Internal in an Air Pulsed Column by Sharma, Anshuman, Sen, Nirvik, Sarkar, Sourav, Singh, K. K., Sarkar, P. S., Shenoy, K. T.

“…A novel air pulsed column plate internal featuring plates having concentric circular slots of fixed width (3 mm) is conceptualized, tested, and compared…”
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CFD-PB studies on effect of internals on specific interfacial area in a pulsed sieve plate columns by Sen, Nirvik, Singh, K.K., Patwardhan, A.W., Mukhopadhyay, S., Shenoy, K.T.

“…A CFD model coupled with population balance equations is developed to systematically study the effects of column internals on specific interfacial area…”
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Flow synthesis of PVP capped gold nanoparticles in capillary microreactor by Sen, Nirvik, Chakravarty, Rubel, Singh, K.K., Chakraborty, S., Panicker, L., Shenoy, K.T.

“…•Flow synthesis of ultra small Au nanoparticles (<5 nm) in PTFE microbore tube is reported.•Well dispersed, spherical Au nano particles in the size of…”
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