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BITS Pilani Institutional Repository: Recent submissions

Now showing items 1281-1300 of 18741

Computational design of fly ash geopolymer mortar using experimental and attribute evaluation approaches

Lahoti, Mukund; Srivastava, Anshuman (Springer, 2024-10)

Geopolymer is a ceramic-like inorganic material synthesized at room temperature and is a potential sustainable replacement of Portland cement. In the present work, a comprehensive experimental program was designed to ...
Synergic valorization of nickel-chrome plating sludge via alkali activation of steel slag and fly ash: performance analysis

Lahoti, Mukund; Singhal, Anupam; Routroy, Srikanta; Bhunia, Dipendu (Springer, 2024-09)

Nickel–chromium plating sludge (NCPS) is a hazardous waste due to high concentration (~ 25%–30%) of chromium and nickel. Electric arc furnace slag (EAFS) is a by-product of secondary steel manufacturing through the electric ...
Optimization of sandstone processing waste, electric arc furnace slag, and fly ash-based ternary blended eco-friendly geopolymers

Bhunia, Dipendu; Chakraborty, Sayantan; Lahoti, Mukund (Springer, 2024-11)

Over the years, ordinary Portland cement (OPC) has been used to meet growing demands of land and housing facilities arising out of population overburdens. It is well documented that OPCs, besides their outstanding qualities ...
Novel LCA-centric mix design approach for alkali-activated EAF slag with hybrid optimization techniques

Lahoti, Mukund; Pradhan, Subhasis (Springer, 2024-12)

This study presents an innovative life cycle assessment (LCA)-centric approach for optimizing the mix design of alkali-activated materials (AAMs) as sustainable alternatives to ordinary portland cement (OPC). The AAMs are ...
Comprehensive assessment of leaching characteristics in electric arc furnace slag-based alkali-activated mortar

Lahoti, Mukund (Springer, 2025-03)

This study investigates the leaching resistance and environmental performance of electric arc furnace slag (EAFS) as a precursor in alkali-activated materials (AAMs), contributing to sustainable construction practices and ...
Two-fluid approach to the emergency movement of pedestrians through a passage

Vikarm, Durgesh; Mahapatra, Tanmaya (Sage, 2024-11)

Egress times of pedestrians from the narrow and the wide passages are modeled analytically in this study. The pedestrians in this study constitute both faster (like the ones who are healthy) and slower (like the ones who ...
Phosphoric acid–modified bentonite-chitosan composite beads: a novel and cost-effective adsorbent for multi-metal wastewater treatment

Sopanrao, Khandgave Santosh (Springer, 2024)

This study introduces a novel, cost-effective adsorbent made from phosphoric acid–modified bentonite-chitosan composite beads, designed to remove Cu2⁺, Ni2⁺, and Zn2⁺ from aqueous solutions. Characterization of the composite ...
Application of composite membrane-based technology in treatment of textile industry effluents

Chatterjee, Somak (Springer, 2025-02)

Technological innovations have repeatedly made our lives easier over the centuries. Supplies have increased manifold to compete with growing consumer demands. For example, textile industries serve untired to meet the ...
Sustainable valorization of macroalgae residual biomass, optimization of pyrolysis parameters and life cycle assessment

Sangwan, Kuldip Singh; Raghuvanshi, Smita (Elsevier, 2024-04)

The major challenges for the current climate change issue are an increase in global energy demand, a limited supply of fossil fuels, and increasing carbon footprints from fossil fuels, which have necessitated the exploration ...
1:1 Hydrogen bonded complexes of phenol and 4-fluorophenol with 2,2,6,6-tetramethylpiperidin-1-oxyl: an electron spin resonance study

Brass, Ian J.; Bullock, Anthony T. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

The hydrogen donor molecules phenol and 4-fluorophenol form 1:1 complexes with 2,2,6,6-tetramethylpiperidin-1-oxyl in solution in carbon tetrachloride. The formation constants of both complexes have been obtained over a ...
Cadmium photosensitised decomposition of propane at 265°C and at λ= 3261 Å

Konar, Ranajit S.; Darwent, Basil De B. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

A detailed analytical investigation of the cadmium photosensitised decomposition of propane at 265°C and λ= 3261 Å has been made. The major products detected and estimated were methane, propylene, dimethylbutane (DMB), ...
Comparative study of the hydrogen reduction of Ni2+ ions in X- and Y-zeolites

Briend-Faure, Marguerite; Jeanjean, Janine; Kermarec, Maggy; Delafosse, Denise (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

The kinetics of the hydrogen reduction of Ni2+ ions in X- and Y-molecular sieves has been studied over a wide range of temperatures. The localization of Ni2+ ions before and after their reduction has been determined from ...
Product crystallite size–reaction rate relationship in M(OH)2–MO decomposition. Structural transformation mechanism

Niepce, Jean-Claude; Watelle, Ginette; Brett, Norman H. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

Two mechanisms were proposed to explain the decomposition reaction of brucite: the homogeneous and the inhomogeneous mechanisms. These two mechanisms, on the one hand, and the main structural transformation modes, on the ...
Mechanism of ketonization of acetic acid on anatase TiO2 surfaces

González, Francisco; Munuera, Guillermo; Prieto, Juan A. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

The interaction of CH3COOH with anatase TiO2 surfaces has been studied and the results analysed in connection with those previously obtained for HCOOH on this and other oxides. The electron-donor properties of the carboxylate ...
Kinetics of activated chemisorption. Part 4.—Differential heat of adsorption

Aharoni, Chaim; Ungarish, Moshe (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

A model previously applied to the kinetics of chemisorption and to adsorption at true and apparent equilibrium, is applied to the differential heats of adsorption. The measurable function, heat-coverage, differs from the ...
New Three-parameter Empirical Extension of the Arrhenius Equation suitable for the Precise Evaluation of Pseudo- thermodynamic Activation Parameters in Chemical Kinetics

Adams, Paul A.; Sheppard, John G.; Ridler, Gweneth M.; Ridler, Philip F. (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

An empirical extension of the logarithmic form of the classical Arrhenius equation is written as a simple three-parameter equation which fits precise experimental data on the variation of rate-constant with temperature ...
Electrochemical decomposition of biformylperoxide. A quantum mechanical calculation

Albeck, Michael; Shaik, Sason (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

Quantum mechanical calculations were performed on the primary products of electrodic redox reactions of biformylperoxide. The calculations predicted that CO2, O2, H2, [graphic omitted], H2CO and HCOOH should be the final ...
Influence of applied electric fields on the free radical copolymerization of methylmethacrylate and styrene. An unusual decomposition of benzoylperoxide

Albeck, Michael; Levinger, Aron; Shiff, Karmela (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1978, 74 (06), 1978)

The influence of an applied electric field on the free radical copolymerization of methylmethacrylate (MMA) and styrene (ST) in benzene solution was investigated. With benzoylperoxide as initiator, retardation of the ...
Household biogas technology in cold climate of low-income countries: a review on sustainable technologies for accelerating biogas generation

Raghuvanshi, Smita (IOP, 2024-05)

Low-income countries (LICs) have long benefitted from household biogas plants for the extraction of clean energy and fertilizers. Despite their popularity, such ordinary plants do not have heating systems and suffer from ...
Sustainable approach for simultaneously reducing CO2 and NO emissions from synthetic industrial flue gases using bacterial consortium and domestic wastewater in a suspended glass bioreactor

Raghuvanshi, Smita; Gupta, Suresh (Springer, 2023-02)

The current study showed how a bacterial consortium (Bacillus tropicus SSLMC1 and Bacillus cereus SSLMC2) isolated from the harsh environment of Sambhar Salt Lake could simultaneously remove carbon dioxide (CO2) and nitric ...

Now showing items 1281-1300 of 18741

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