Some materials take place in class of smart materials with adaptive properties and stimulus response to the external changes. Shape memory alloys take place in this group by exhibiting dual thermoelastic and Superelastic characteristics. These alloys have shape revers [....] » Read More
Multifunctional nanostructures find the possibility for their applications in water splitting processes for hydrogen generation as a renewable source of green energy. Fe3O4 nanocubes were prepared in one pot process for the electrochemical water splitting and supercapacitor appli [....] » Read More
The Navier-Stokes problem in R3 consists of solving the equations: v0 + (v, ∇)v = −∇p + ν ?v + f, x ∈ R3 , t ≥ 0, ∇ · v = 0, v(x, 0) = v0(x), wher [....] » Read More
A series of Ag-based catalysts were studied for direct PO epoxidation with O2 as the oxidant. Ag supported on CaCO3 and α-Al2O3 were prepared as base materials to study. Promoters (K+, Cs+, Mo) and feed additives (EtCl, NO, CO2) were added to the catalyst and feed stream, r [....] » Read More
There are several ways of introducing acyl functionality into simple model compounds or skeletons of practical importance. The application of conventional acylating agents is well known and is referenced in reviews, handbooks and even textbooks. Since the discovery of the aminoca [....] » Read More
There are four major agents responding to climate change at a national or local level. They are government, enterprises, citizens and civil organizations. Government responds to climate change by establishing policies, enterprises by green management for improving eco-efficiency [....] » Read More
Molecular dynamics (MD) simulations are widely used to understand different chemical and physical processes on molecular scales. The accuracy of an MD simulation depends critically on the force field, which describes the interactions between the particles and is the “heart& [....] » Read More
In recent decades, much effort has been made to develop nanostructures inorganic having a desired morphology, size, crystallinity and functionality. These nanostructures are widely used in applications such as electronics, materials with optical properties, energy storage and tra [....] » Read More
We will present a new type of high-performance catalyst for aerobic oxidation of organosulfur compounds based on tungsten carbide. The synthesis of tungsten carbide was carried out using microwave irradiation, which makes it possible to obtain a catalyst just in 15 minutes. The s [....] » Read More
The depletion of petroleum reserves and stricter environmental policies urge the search for sustainable and renewable energy sources to meet the growing global energy demand. In this scenario, lignocellulosic biomass is a renewable resource, whose valorization has attracted signi [....] » Read More
This study is aimed to review the topics of chemical engineering to take in consideration for the scaling-up of reactors, in order to perform processes based on the application of the sonochemistry at industrial level. Sonochemistry is an emergent technology, defined as chemistry [....] » Read More
Enantiomerically pure amines are important building blocks for the synthesis of molecules with potential biological activity and are employed as essential intermediary to chemistry, pharmaceuticals and agrochemistry industries. Dynamic Kinetic Resolution (DKR) has been a method l [....] » Read More
A novel and simple transition metal-free protocol for expedient C–H functionalization leading exclusively to the regioselective generation of C-5 chalcogenated 8-aminoquinoline analogues in up to 90% yield at room temperature (25 °C) has been demonstrated. This methodol [....] » Read More
Phenol being toxic in nature needs to be removed from wastewater before its surface discharge. This research aims for removal of phenol using four biological waste adsorbents guava tree bark, rice husk, neem leaves, activated carbon from coconut coir and four industrial waste ads [....] » Read More
The concept of biofuel was introduced in 1885 when Dr. Rudolf Diesel built the first diesel engine with the intention of running it on vegetative origin. He displayed his engine for the first time at the Paris show of 1900 and astounded everyone when he ran the patented engine on [....] » Read More
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Title : With one catalyst in multiple steps in One-pot Fashion - Sequentially palladium-catalyzed processes for the synthesis of functional heterocycles
Thomas J J Muller, Heinrich-Heine-Universitat Dusseldorf, Germany
One-pot reactions, if conducted in a consecutive, sequential or domino fashion, promise a highly efficient and efficacious synthetic access to many functional molecules of interest. In particular, heterocyclic systems are interesting due to their vast spectrum of applications. Tr [....] » Read More
Title : On the catalytic conversions of sulfide ions in sulfide-driven fuel cells
Venko Beschkov, Bulgarian Academy of Sciences, Bulgaria
Hydrogen sulfide is met in different natural sources, like the deep waters of the Black Sea, some closed water ponds, natural springs of mineral water, etc. It is also present in some effluents at oil processing by de-sulfurization. A straightforward method to remove hydrogen sul [....] » Read More
Title : Photochemical valence isomerization to high energy products – Bicyclobutanes and Oxabicyclobutanes
Edward Lee Ruff, York University, Canada
The photochemical valence isomerization of 1,3-butadienes give bicyclobutane 1(X=CH2). The stereochemistry of these strained products in substituted derivatives suggest a double disrotatory ring cyclization originating from the second excited state of the diene.. The oxygen analo [....] » Read More
Title : On the Super Storage of Hydrogen in Graphite Nano Fibers
Yury S Nechaev, Bardin Central Research Institute for Ferrous Metallurgy, Russian Federation
Will be Updated Soon...
Title : Bio-methane production from anaerobic digestion of agricultural waste with extra nutrients and intermediate temperature: Feasibility and Fertilizer recovery
Md Nurul Islam Siddique, University Malaysia Terengganu, Malaysia
The rise in demand for organisms pulled in by anaerobic digestion might be due to the simultaneous digestion of many substrates. Supplements' effects on the co-digestion of growth substrates were investigated in this study. In three phases, 37 °C, 40 °C, and 50 °C [....] » Read More
Title : Kinectic Methods in Anatytical Chemistry
Victor Cerda, University of the Balearic Island, Spain
A review of different analytical methods, from classical up to current automatic kinectic-catalytic methods using chip systems, will be presented Background of the kinetic methods of analysis. How to use the different kinetic-catalytic methods: fixed time, fixed measure and init [....] » Read More
Title : Propylene carbonate in Suzuki-Miyaura reaction
Andrea Czompa, Semmelweis University, Hungary
Several efforts were taken to carry out cross-coupling reaction under green and sustainable conditions. The Pd-catalysed cross-coupling of three iodo-heterocyclic compounds with different boronic acids will be discussed under Suzuki-Miyaura reaction conditions, in a green solvent [....] » Read More
Title : "Aminomalononitrile and Diaminomaleonitrile inspired prebiotic chemistry as a novel multicomponent tool for the synthesis of imidazole purine and pyrimidine derivatives
Bruno Mattia Bizzarri, University of Tuscia, Italy
Amino imidazole carbonitrile derivatives decorated with a-amino acid side-chains have been synthesized by a multicomponent microwave assisted reaction inspired by the prebiotic chemistry of aminomalononitrile as a tool for generating high chemical diversity. These compounds were [....] » Read More
Title : Syngas conversion into higher alcohols over KCoMoS2–catalysts supported on graphene-nanosheets coating alumina and carbon-containing materials
Mohamed Ezeldin Abdalla Osman, Peoples Friendship University of Russia, Russian Federation
Catalytic conversion of synthesis gas to higher alcohols has received tremendous interest due to the generation of environmentally benign octane boosters and alternative fuels to supplement the diminishing supply of the world’s finite fossil fuel reserves. K–modified [....] » Read More
Title : Vanadium(V) complexes supported on porous MIL100(Fe) as catalyst for the peroxidative oxidation and adsorption of VOCs
Elisabete Alegria, Instituto Superior de Engenharia de Lisboa, Portugal
In this work, the vanadium(V) complexes bearing the aroylhydrazone Schiff base 2-hydroxy-N'-((2-hydroxynaphthalen-1-yl)methylene)benzohydrazide ligand, [VO(OMe)L] (1) and [Et3NH][VO2L] (2) were synthesized, characterized and supported on porous MIL-100(Fe) MOF via an impregna [....] » Read More
Title : Advances in metal oxide and mixed metal oxide catalysis and their applications
Rupesh Hiraman Gaikwad, Maharshi Dayanand College, India
Metal oxide catalysts are much more complicated than metal catalysts. The reason is that the cations of the metal atoms could exhibit a few different oxidation states on surface of the same catalyst particle or change of their oxidation states under different reactive environment [....] » Read More
Title : Conjugated porous organic polymers: fluorescence-based sensing, photocatalysis and energy storage
Sujoy Bandyopadhyay, Indrashil University, India
Starting from the grand old activated charcoal to zeolites, porous materials have been utilized for environmental and technological benefits for mankind. Of late, porous organic polymers (POPs) have emerged as a new class of functional materials with applications ranging from gas [....] » Read More
Title : Mixed Matrix Membrane for High CO2 gas performance studies
Mridusmita Barooah, National Institute of Technology, India
Contemporary advances in materials development associated to the gas separation technology refers to the cost-effective fabrication of high performing defect free mixed matrix membranes. Being proven to be effective for cleaner energy production, natural gas purification and CO2 [....] » Read More
Title : Trans Esterification with Methanol of Capscicum Chinenses Citric Acid Ester Solution Its Calcium Gel And Crystal Salts Synthesis
Rabeharitsara Andry Tahina, Polytechnic Engineer School of Antananarivo University, Madagascar
First, it will be presented in this communication the procedure, the experimental conditions and the results of the Capscicum chinense esterification with citric acid molecules catalysed by the protonic acid-H+ of these citric acid molecules. Then, these synthesized esters was va [....] » Read More
Title : How an industrial laccase and anionic vesicles work on the oxidation of a mixture of the two substrates aniline and p-aminodiphenylamine in order to synthesize polyaniline in its conductive emeraldine salt form
Yuto Nakano, National Institute of Technology, Oyama College, Japan
Industrial laccase-catalyzed oxidation of the miscible substrates consisting of aniline and p-aminodiphenylamine (PADPA) in the presence of vesicles from sodium bis (2-ethylhexyl) sulfosuccinate (AOT) as templates was multilaterally investigated. Reaction products with their kine [....] » Read More
Title : Fabrication of Fe-Cu catalysts on the basis of copper (II) ferrite
Yakha Vissurkhanova, E. A. Buketov Karaganda University, Kazakhstan
This paper describes the results of the investigation on the ability of copper(II) ferrite (CuFe2O4) to reduction in an electrochemical system with the formation of Fe-Cu composites. The effect of a polymer stabilizer (polyvinyl alcohol, PVA) on structural and phase changes in Cu [....] » Read More
Title : Chemico-instrumental methods of functional groups analysis
Anna M Kisiela Czajka, Wroclaw University of Science and Technology, Poland
The thermal conversion of fossil solid fuels, car tires, biomass, or sewage sludge leads to significant amounts of waste, for which developing a direction for safe disposal can be a complex issue. This group is characterized above all by a high concentration of carbon in its chem [....] » Read More
Title : Photocatalytic behavior of films based on hollow hematite microspheres
Alexander Demirov, National University of Science and Technology MISIS, Russian Federation
Hematite (α-Fe2O3) is a promising material for photoanode. However, it has a few drawbacks as low concentration of charge carriers and low OER kinetic. These disadvantages fix by morphology control and doping. The study is dedicated to the photoelectrochemical behavior o [....] » Read More
Title : Visual modeling of optimal regimes of chemical-technological process
Shabanova Chimnaz Mamed, Azerbaijan National Academy of Science, Azerbaijan
Paper presents the results of modeling the optimal regime of the electrodeposition process of the antimony-selenium system Sb–Se. Based on the experimental data, a regression model was built using the BoxBenkinD module of the Matlab-7 software. The regression equation Y = f [....] » Read More