Search Results - "Nigam, K. D. P."

(Gas)−Liquid−Solid Circulating Fluidized Bed Reactors: Characteristics and Applications by Atta, Arnab, Razzak, S. A, Nigam, K. D. P, Zhu, J-X

“…Accepting considerable advantages of circulating fluidized beds (CFBs) over the conventional fluidized beds, there has been numerous studies on CFBs…”
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Numerical modeling of polystyrene synthesis in coiled flow inverter by Mandal, Monisha Mridha, Serra, Christophe, Hoarau, Yannick, Nigam, K. D. P.

“…Recent studies show that microfluidic devices are gaining importance as micromixer in chemical and bio-chemical analysis systems. However, little attention has…”
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Chelation technology: a promising green approach for resource management and waste minimization by Chauhan, Garima, Pant, K K, Nigam, K D P

“…Green chemical engineering recognises the concept of developing innovative environmentally benign technologies to protect human health and ecosystems. In order…”
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Numerical simulations of drop impact and spreading on horizontal and inclined surfaces by Lunkad, Siddhartha F., Buwa, Vivek V., Nigam, K.D.P.

“…The phenomenon of drop spreading is important to several process engineering applications. In the present work, numerical simulations of the dynamics of drop…”
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Pressure drop and heat transfer study in tube-in-tube helical heat exchanger by Kumar, Vimal, Saini, Supreet, Sharma, Manish, Nigam, K.D.P.

“…In the present work attempts were made to investigate the hydrodynamics and heat transfer characteristics of tube-in-tube helical heat exchanger at the pilot…”
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Coiled flow inverter as an inline mixer by Mridha, Monisha, Nigam, K.D.P.

“…Helical coils are widely used in the process industries to improve the mixing efficiency under laminar flow conditions. It was further observed that in the…”
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Mixing in curved tubes by Kumar, Vimal, Aggarwal, Mohit, Nigam, K.D.P.

“…The mixing efficiency in a curved tube is a complex function of the Reynolds number, Schmidt number, curvature ratio and tube pitch, therefore, the relative…”
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Coiled flow inverter as a heat exchanger by Kumar, Vimal, Mridha, Monisha, Gupta, A.K., Nigam, K.D.P.

“…In the present work attempts are made to investigate the hydrodynamics and heat-transfer characteristics of a coiled flow inverter (CFI) as heat exchanger at…”
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Slug flow in curved microreactors: Hydrodynamic study by Kumar, Vimal, Vashisth, Subhashini, Hoarau, Yannick, Nigam, K.D.P.

“…The need for eco-friendly and energy saving processes which are substantially compact and give higher efficiency has led to the concept of process…”
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Prediction of pressure drop and liquid holdup in trickle bed reactor using relative permeability concept in CFD by Atta, Arnab, Roy, Shantanu, Nigam, K.D.P.

“…A Computational Fluid Dynamics (CFD) model based on porous media concept is presented to model the hydrodynamics of two-phase flow in trickle-bed reactors…”
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Numerical Study of Heat Transfer Enhancement for Laminar Nanofluids Flow by Ramirez-Tijerina, Ramon, Rivera-Solorio, Carlos, Singh, Jogender, Nigam, K.

“…The laminar forced convection has been investigated for the flow of nanofluids in conventional straight tube (L = 5.34 m, dt = 10 mm) and straight microtube (L…”
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Catalytic Cracking of C2–C3 Carbonyls with Vacuum Gas Oil by Naik, Desavath V, Kumar, Vimal, Prasad, Basheshwar, Behera, Babita, Atheya, Neeraj, Adhikari, Dilip K, Nigam, K. D. P, Garg, Madhukar O

“…The fluid catalytic cracking (FCC) route could be considered for the co-processing of biomass-derived pyrolysis oil with petroleum-derived vacuum gas oil (VGO)…”
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Advancements in the field of electronic waste Recycling: Critical assessment of chemical route for generation of energy and valuable products coupled with metal recovery by Jadhao, Prashant Ram, Ahmad, Ejaz, Pant, K.K., D. P. Nigam, K.

“…•Review highlights e-waste as a resource and the need for e-waste recycling.•A critical review of e-waste plastic recycling and metal recovery technologies.•An…”
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Environmentally friendly approach for the recovery of metallic fraction from waste printed circuit boards using pyrolysis and ultrasonication by Jadhao, Prashant Ram, Ahmad, Ejaz, Pant, K.K., Nigam, K.D.P.

“…[Display omitted] •An integrated approach for WPCB recycling using pyrolysis and ultrasonication.•Recovery of the metallic fraction is around 90%•Gaseous…”
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Hysteresis in Trickle-Bed Reactors:  A Review by Maiti, Rabindranath, Khanna, Rajesh, Nigam, K. D. P

“…A concise review of the hysteresis in cocurrent down-flow trickle-bed reactors (TBRs) is presented. The effects of several factors on the hysteresis, such as…”
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A sustainable route for the recovery of metals from waste printed circuit boards using methanesulfonic acid by Jadhao, Prashant Ram, Mishra, Snigdha, Singh, Aditya, Pant, K.K., Nigam, K.D.P.

“…The rapid increase in electronic waste (e-waste) generation and its unsustainable management pose a threat to the environment and human well-being. However,…”
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Process Intensification for Compact and Micro Heat Exchangers through Innovative Technologies: A Review by Singh, Jogender, Montesinos-Castellanos, Alejandro, Nigam, K. D. P

“…This Review offers quantitative and qualitative analyses of various compact and micro heat exchangers (C-MHXs) in terms of the friction factor, Nusselt number,…”
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Efficient recovery of Cu and Ni from WPCB via alkali leaching approach by Jadhao, Prashant Ram, Pandey, Ashish, Pant, K.K., Nigam, K.D.P.

“…The large generation of electronic waste (e-waste) is posing a serious threat to society. It is important to develop sustainable technology for the effective…”
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Laminar convective heat transfer in chaotic configuration by Kumar, Vimal, Nigam, K.D.P.

“…The convective heat transfer in chaotic configuration of circular cross-section under laminar flow regime at different values of Dean number and Prandtl number…”
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Modeling hydrodynamics of trickle-bed reactors at high pressure by Narasimhan, C. S. L., Verma, R. P., Kundu, Arunabha, Nigam, K. D. P.

“…A phenomenological hydrodynamic model of a trickle‐bed reactor developed predicts pressure gradient and liquid holdup at high pressures. The model consists of…”
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