- Chemical Looping and Thermochemical Processes
- Biofuel production and bioconversion
- Thermochemical Biomass Conversion Processes
- Carbon Dioxide Capture Technologies
- Catalysts for Methane Reforming
- Spacecraft and Cryogenic Technologies
- Oil, Gas, and Environmental Issues
- Catalysis for Biomass Conversion
- Methane Hydrates and Related Phenomena
- Catalysis and Hydrodesulfurization Studies
- Hybrid Renewable Energy Systems
- Industrial Gas Emission Control
- Coal and Its By-products
- Biodiesel Production and Applications
- Electric Vehicles and Infrastructure
- Energy and Environment Impacts
- Building Energy and Comfort Optimization
- Sustainability in Higher Education
- Enhanced Oil Recovery Techniques
- Online Learning and Analytics
- Reservoir Engineering and Simulation Methods
- Iron and Steelmaking Processes
- Oil and Gas Production Techniques
- Thermal and Kinetic Analysis
- Petroleum Processing and Analysis
Indian Institute of Technology Ropar
2019-2025
Dr. A.P.J. Abdul Kalam Technical University
2022
National Renewable Energy Laboratory
2015-2019
University of Utah
2011-2014
Indian Institute of Technology Roorkee
2006
Ex situ catalytic fast pyrolysis of biomass is a promising route for the production fungible liquid biofuels. There significant ongoing research on design and development catalysts this process. However, there are limited number studies investigating process configurations their effects biorefinery economics. Herein we present conceptual with techno-economic assessment; it includes upgraded bio-oil via fixed bed ex followed by final hydroprocessing to hydrocarbon fuel blendstocks. This study...
A preliminary analysis has been conducted of the performance a Chemical Looping system with Oxygen Uncoupling (CLOU) copper oxide as oxygen carrier and coal approximated by carbon fuel. The advantages uncoupling are demonstrated providing energy balances, circulation rate carrier, mass loadings, burnout partial pressure in fuel reactor. Experimental data on cycling cuprous to cupric kinetics for oxidation decomposition reactions oxides were obtained use analysis. For this study unsupported...
Abstract This paper presents a comparative techno‐economic analysis ( TEA ) of five conversion pathways from biomass to gasoline‐, jet‐, and diesel‐range hydrocarbons via indirect liquefaction with specific focus on utilizing oxygenated intermediates. The four emerging interest are compared one conventional pathway (Fischer‐Tropsch) for the production hydrocarbon blendstocks. processing steps include biomass‐to‐syngas gasification, syngas clean‐up, alcohols/oxygenates followed by blendstocks...
Chemical-looping with oxygen uncoupling (CLOU) offers a promise to reduce energy penalty by facilitating the capture of CO2 emitted from power plants. It has potential lower carrier inventory fuel reactor in contrast chemical-looping combustion (CLC). The primary mechanism CLOU for solid fuels is their reaction gaseous released decomposition metal oxide, which differs CLC where be gasified first. slower gasification subsequently followed circulating carrier. present study concerned rate...
With the increased availability of low-cost natural gas, co-conversion gas and biomass-to-liquid fuels has gained interest due to potential improve liquid fuel yields while lowering greenhouse emissions.
Abstract The integration of hydrogen as an energy carrier into existing natural gas pipeline infrastructure presents a promising option for the decarbonization sector. However, using in pipelines requires overcoming engineering challenges attributed to physical property and design considerations both which may result failures. To this end, study employs multi-software approach model steady-state transient behaviors blended with under cyclic variations. For state modeling, Crank-Nicolson...
Chemical looping combustion (CLC) is one of the promising technologies for fuel which has potential to reduce energy penalty associated with CO2 capture process. A CLC system typically consists two interconnected fluidized beds that act as a and an air reactor, recirculating metal/metal-oxide acting carrier oxygen from latter former. Insights design optimization reactor in process could be obtained by analyzing oxidation kinetics Law Additive Reaction Times. The law offers approximate closed...
Abstract With the increased availability of low‐cost natural gas, co‐conversion gas and biomass‐to‐liquid fuels has attracted attention from industry due to its potential for improving liquid fuel yields while lowering greenhouse emissions. This study provides an understanding Fischer–Tropsch kinetics, improvements in processing strategies hydrocarbon production, impact on cost biomass‐to‐transportation fuels. Studies that investigate effect reaction kinetics techno‐economic analysis can be...
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In its aspirations to achieve net zero goals by 2070, India is considering multiple renewable energy options. With the expectation of replacing fossil fuel-based feedstocks, hydrogen being seen as a potential option for transportation industry [1]. Replacing fuel distribution infrastructure based on feedstocks address futuristic emerging like will receive an impetus if challenges introduction in urban setting are duly identified through combination first principles engineering optimization...
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Hamam is a culturally important architectural feature of homes and mosques in the Kashmir Valley India that has deep roots Islamic religion culture. Culturally, gathering place for families visitors, space individuals to participate prayer purification rituals. Functionally, room within home which subfloor hollow comprised wood-fired furnace generate heat conducted through floor, warming occupants Hamam. Trained Kashmiri artisans construct maintain according longstanding traditions. The one...