Silicon Carbide has been one of the semiconductors prominently known for its attractive physical and chemical properties for several decades. It continues to be the main driving force for current and future research. Silicon carbide (SiC) exhibits high thermal conductivity, high [....] » Read More
Continuous-flow microreactors enable ultrafast chemistry impossible in conventional batch reactor through the subsecond reaction time control. However, the small capacity of microreactors has restricted the synthesis of pharmaceutical compounds with industrial level productivity. [....] » Read More
Benefits of probiotic bacteria and microbiomes in treating a variety of health conditions, especially digestive-, inflammatory-, allergic-, cancer- and obesity-causing diseases are also bringing this beneficial bacterium into the forefront of mainstream media. However, it is stil [....] » Read More
One of the major challenges in heterogeneous catalysis is the preparation of highly selective and robust catalysts. The goal is to be able to synthesize solids with stable surfaces containing a large number of specific surface sites designed for the promotion of a particular reac [....] » Read More
The one-step conversion of α-keto aldehydes to α-hydroxycarboxylic acids and their derivatives using solid acids is of great appeal in biomass utilization. In this work, ordered mesoporous zirconium oxophosphate (ZrPO) catalysts with tunable acidity were prepare [....] » Read More
Ammonia is a potential hydrogen and energy carrier. It has a high capacity for hydrogen. As an energy carrier, ammonia is considered an energy-dense and zero-carbon fuel. Industrially, ammonia is synthesized by the Haber-Bosch process using an iron-based catalyst. The significant [....] » Read More
Discharge of toxic heavy metals into our nature causes severe harm. Different plant operation generates heavy metal-bearing wastes, and dyes discharge of these wastes causes various damages to the living beings. Heavy metals and dyes played a significant role as pollutants [....] » Read More
A facile regioselective β-allylation of indoles has been accomplished employing Baylis-Hillman bromides as allyl source under visible light photoredox catalysis in the presence of Ru(bpy)3Cl2.6H2O and blue LED. Audiences take-away: • Use of photoredox catalysis to [....] » Read More
The complete oxidation of propene and CO as model components of diesel engine exhaust and VOC has been investigated on series of Ce doped MnOx/Al2O3 catalysts. The optimized MnOx/Al2O3 doped with 0.05 mol Ce showed higher CO and propene oxidation activity at 200 oC and 215 oC res [....] » Read More
Global warming, a subject of increased emphasis in the recent years, is caused by the emission of greenhouse gases such as CO2 in the atmosphere. Greenhouse gases (GHGs) trap the heat radiating from the surface of earth when solar energy is being transmitted through the atmospher [....] » Read More
Nowadays, synthetic biomaterials are extensively employed in the manufacture of medical devices and implants. Here, we studied on the development of a novel antimicrobial nanocomposite against a wide spectrum of bacteria including multi-drug resistance (MDR). This is why, we cons [....] » Read More
Although many catalysts have been proven worthy to accelerate chemical reactions, there is still the challenge of finding a more efficient and optimized catalyst; thus, it is crucial that researchers learn about various compounds. In recent years, due to the shortage of energy, [....] » Read More
Urea is the fertilizer with the highest domestic consumption in agriculture; however, currently Peru is imported mainly from countries such as Russia, China and Algeria. The Peruvian State should promote investment in urea production from methane volumes from proven natural gas r [....] » Read More
Intensifying chemical reactors by development of an efficient synergy between the reactor and catalyst is leading to non-negligible saving in capital and operating costs of chemical plants while meeting requirements over conversion, selectivity and energy consumption. Recent achi [....] » Read More
In this paper we examine the controversy over the hydrogen spillover effect (HSPE) on metal catalysts supported on non-reducible oxides. We propose that hydrogen spiltover species would consist in H/OH pairs, produced by an interfacial dehydroxylation then diffusing over the supp [....] » Read More
An analysis of the extractive distillation and solvent recovery processes for the separation of ethanol and benzene from its azeotropic mixture using p-xylene as a solvent through Cape-Open steady-state simulation is presented. A case study is conducted using a two-column distill [....] » Read More
Utilizing renewable resources to synthesize fuels and high-value chemicals is a pivotal step for the chemical industry, given the limited nature of global natural gas and petroleum reserves. Due to the economic viability of large quantities of ethanol, it has been used to synthes [....] » Read More
Organic dyes in the wastewater stream is hazardous to the aquatic life and the terrestrial life. Photocatalytic activity is one of the most appealing process to convert harmful organic dyes into harmless small molecules in the presence of the UV light or sunlight. The photocataly [....] » Read More
Enaminals are valuables building blocks in organic synthesis as they open the door to a wide range of more complex structures such as polyfunctionalized heterocycles or act as precursors of unconventional ? and ???? amino-acids for instance. Noteworthy, both regioisomers (? or ?? [....] » Read More
Cu-Ni alloys are widely used in mining and metallurgical work, in the chemical industry due to their high resistance to corrosion, mechanical and catalytic properties. Furthermore, Cu-Ni alloys have received much attention for their thermophysical and magnetic properties and are [....] » Read More
Title : Chemical Engineering of Metal Single-Site Zeolites for Application in Heterogeneous Catalysis
Stanislaw Dzwigaj, Sorbonne University, France
The incorporation of metal ions into zeolites as isolated tetrahedral sites appears to be the important task because such sites are considered to be active sites of several catalytic processes. We have earlier shown that the incorporation of transition metal ions into vacant T-at [....] » Read More
Title : How to increase the catalytic efficacy of platinum-based nanocatalysts for hydrogen generation from the hydrolysis of ammonia borane
Saim Ozkar, Middle East Technical University, Turkey
Hydrolysis is the best way of releasing H2 from ammonia borane (AB) in the presence of catalysts. Significant achievements have been obtained in increasing the rate of releasing H2 from AB by employing transition metal nanoparticles (NPs) as catalysts. Platinum is one of the most [....] » Read More
Title : Crystallographic Basis of Thermal and Mechanical Memory in Shape Memory Alloys
Osman Adiguzel, Firat University, Turkey
A series of alloy systems take place in class of advanced smart materials with adaptive properties and stimulus response to the external changes. Shape memory alloys take place in this group, with the thermal and mechanical memory characteristics. These alloys exhibit [....] » Read More
Title : Solution of the Navier-Stokes Problem
Alexander G Ramm, Kansas State University, United States
It is proved that the Navier-Stokes equations are physically and mathematically contradictive and there is no solution to the Navier-Stokes problem on the whole semi-axis of time in the whole three-dimensional space without boundaries. The aim of this talk is to analyse the [....] » Read More
Title : Plastic Trash to Monomers and Intermediates – PTMI
Anne M Gaffney, University of South Carolina, United States
To address the issue of waste plastics in landfills, a hybrid approach is proposed. This would use low temperature plasma pretreatment followed by catalytic cracking to augment the conversion of waste polyolefins into monomers, intermediates, new polymers and value-added chemical [....] » Read More
Title : Synthesis, Characterization and Corrosion Inhibition Study On 2-Chloroacetophenone 4-Ethyl-3-Thiosemicarbazone: Weight Loss and DFT Methods
Nur Nadia Dzulkifli, Universiti Kebangsaan, Malaysia
Corrosion is a process of continual deterioration of metals caused by the action of the corrosive medium. Mild steel is often used as a construction material in the industry because of its relatively low price. However, it has low corrosion resistance, therefore some form of a pr [....] » Read More
Title : Catalytic hydrothermal liquefaction of macroalgae for the production of higher ester functional compounds
Bijoy Biswas, CSIR-Indian Institute of Petroleum (IIP), India
Liquefaction of biomass with proper solvents is a process that can prospectively be integrated with optimized conditions to produce fuel and valuable chemicals. Thus, the solvent might have an effect on the yield and composition of the crude bio-oil and other fractions produced f [....] » Read More
Title : Electrochemical Sensing of Mercury(II) Using a Nickel Ferrite/Graphitic Carbon Nitride Nanocomposite Modified Screen-Printed Electrode as One-Shot Disposable Sensor
Prashanth S Adarakatti, SVM Arts, Science & Commerce College, India
A simple and novel strategy for electrocatalytic detection of mercury(II) ion was successfully achieved on nickel ferrite embedded graphitic carbon nitride modified screen-printed electrode (g-C3N4/NiFe2O4/SPE). g-C3N4/NiFe2O4 composite was prepared by co-precipitation method and [....] » Read More
Title : Green Synthesis of CeO2/graphene Nanocomposite for Cyclohexene Epoxidation
Binitha N Narayanan, Calicut University, India
Liquid phase exfoliation of graphite has the advantage of producing high-quality graphene sheets. But the successful solvents chosen for graphene production via graphite exfoliation are toxic in nature and the yield is also limited. The commonly employed graphite oxide assisted r [....] » Read More
Title : Biobased Novolac resins cured with DGEBA using water-insoluble fraction of wood pyrolysis bio-oil: Synthesis and characterization
Jie Xu, INSA Rouen Normandie, France
The water-insoluble fraction of bio-oil products obtained from intermediate pyrolysis and fractional condensation of beech wood biomass were used as a phenolic source to substitute phenol for the synthesis of Novolac Resin. The replacement of formaldehyde considered an atmo [....] » Read More
Title : Study on structure and photocatalytic activity of Lanthanum-containing mixed metal oxide derived from ZnFe- Layered Double Hydroxides: An outstanding strategy for promoting visible light in indigo carmine photodegradation
Salima Bouteraa, University of Sciences and Technology of Oran - USTO, Algeria
With attempts to tune the photocatalytic activity of hydrotalcites catalysts and improving the photocatalytic performance via efficient separation of photoexcited electron-photogenerated hole. ZnFe(1-x)Lax-LDH with variable Lanthanum cation contents (x = 0 to 5%) were prepared&nb [....] » Read More
Title : Novel non-noble metal-based Catalysts for renewable hydrogen production from seawater electrolysis
Elnaz Asghari, University of Tabriz, Iran (Islamic Republic of)
Hydrogen gas has a great potential for future replacement of fossil fuels. It is used in chemical plants and energy harvesting systems, thus, its production from renewable resources is of great importance. The water electrolysis driven by renewable energy resources such as wind o [....] » Read More
Title : Roughness spectroscopy of particle monolayer: Implications for spectral analysis of the monolayer image
Pawel Weronski, J. Haber Institute of Catalysis and Surface Chemistry, Poland
Surface roughness of particle monolayer is one of its fundamental characteristics, conventionally described in terms of power spectral density. First, we will discuss a general equation for this function and demonstrate its similarity to those applied in the theory of scattering. [....] » Read More
Title : Layer growth dynamics in compound nanowires studied by in-situ microscopy
Carina B Maliakkal, Karlsruher Institute of Technology, Germany
Nanowires are often grown by the vapor-liquid-solid (VLS) mechanism whereby the reactants supplied in the vapor phase dissolves in the liquid metal, supersaturates and eventually precipitates layer-by-layer as a solid nanowire. This liquid alloy is referred to in the nanowire com [....] » Read More