Search Results - subject:"Rate constant"

Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance

Das, Abinash; Wary, Riu Riu; Nair, Ranjith G. - In: Energy reports 6 (2020) 2, pp. 737-741

Recently, zinc oxide (ZnO) has attracted much interest, owing to its efficient photocatalytic applications. Herein, we report the synthesis of pristine and Mn-doped ZnO photocatalyst with different nanostructures. The samples were synthesized via simple and low cost co-precipitation method. The...

Persistent link: https://www.econbiz.de/10012181756

Mn-doped ZnO: Role of morphological evolution on enhanced photocatalytic performance

Das, Abinash; Wary, Riu Riu; Nair, Ranjith G. - In: Energy Reports 6 (2020) 2, pp. 737-741

Persistent link: https://www.econbiz.de/10012652323

Experimental Study on the Combustion and Microexplosion of Freely Falling Gelled Unsymmetrical Dimethylhydrazine (UDMH) Fuel Droplets

Liu, Zejun; Hu, Xiaoping; He, Zhen; Wu, Jianjun - In: Energies 5 (2012) 8, pp. 3126-3136

The increasing demand for high energy density fuels and the concern for their safety have propelled research in the field of gelled propellants, where understanding the combustion of single gelled fuel droplets is the first stage to predict the spray combustion characteristics. The experiments...

Persistent link: https://www.econbiz.de/10011031377

Enhancement in hydrogen generation using bamboo like TiO2 nanotubes fabricated by a modified two-step anodization technique

Nishanthi, S.T.; Sundarakannan, B.; Subramanian, E.; … - In: Renewable Energy 77 (2015) C, pp. 300-307

Bamboo like TiO2 nanotubes were successfully fabricated by a modified two-step anodization technique under different voltage and time. X-ray diffraction patterns and Raman spectra confirmed the anatase crystal phase of TiO2 nanotubes. Optical studies reveal that the band gaps of TiO2 nanotubes...

Persistent link: https://www.econbiz.de/10011189931

Co-digestion of food waste in municipal wastewater treatment plants: Effect of different mixtures on methane yield and hydrolysis rate constant

Koch, Konrad; Helmreich, Brigitte; Drewes, Jörg E. - In: Applied Energy 137 (2015) C, pp. 250-255

ultimate methane yield and the hydrolysis rate constant. The results revealed that with increasing contributions of food waste …, the methane yield of the mixtures increased just due to its higher methane potential. The hydrolysis rate constant in the …

Persistent link: https://www.econbiz.de/10011116124

Kinetics of carbonation reaction of basic oxygen furnace slags in a rotating packed bed using the surface coverage model: Maximization of carbonation conversion

Pan, Shu-Yuan; Chiang, Pen-Chi; Chen, Yi-Hung; Tan, … - In: Applied Energy 113 (2014) C, pp. 267-276

The reaction kinetics of carbon dioxide (CO2) capture by the accelerated carbonation of basic oxygen furnace slag (BOFS) in a rotating packed bed (RPB) was evaluated using the surface coverage model. Experimental data were utilized to determine the reaction rate constants and maximum carbonation...

Persistent link: https://www.econbiz.de/10011041322

Simply conceiving the Arrhenius law and absolute kinetic constants using the geometric distribution

Michel, Denis - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 19, pp. 4258-4264

Although first-order rate constants are basic ingredients of physical chemistry, biochemistry and systems modeling, their innermost nature is derived from complex physical chemistry mechanisms. The present study suggests that equivalent conclusions can be more straightly obtained from simple...

Persistent link: https://www.econbiz.de/10010874102

Universal drying rate constant of seedless grapes: A review

Singh, S.P.; Jairaj, K.S.; Srikant, K. - In: Renewable and Sustainable Energy Reviews 16 (2012) 8, pp. 6295-6302

drying medium. In the case of food drying, the drying rate constant ‘k’ was used instead of transport properties. The drying … rate constant combines all the transport properties and may be defined by the thin layer equation. A large number of … investigators have worked on solar drying of grapes and the drying rate constant has been calculated through conditions of drying …

Persistent link: https://www.econbiz.de/10010580700

Use of generalized exponential function to build three-dimensional reactive surfaces

Salviano, Lucas R.; Esteves, Cristiano S.; Oliveira, … - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 17, pp. 3604-3612

ground state Na+HF reaction. The thermal rate constant and reactive probabilities were determined considering this new PES …

Persistent link: https://www.econbiz.de/10010588412

Monte Carlo Simulation of the Electrical Conductivity of Rubber Compounds During Silanization

Ján, Hronkovič; Marian, Kubliha; Stanislav, Minárik; … - In: Research Papers Faculty of Materials Science and … 18 (2010) 28, pp. 9-15

Monte Carlo simulation of temperature dependence of electric conductivity of a model mixture system, which involves reaction with first order kinetics, was carried out on the basis of chemical kinetics laws. The temperature dependence of the conductivity of rubber compounds during the process of...

Persistent link: https://www.econbiz.de/10010861970