A series of alloy systems called shape memory alloys to exhibit a peculiar property, called shape memory effect in the β-phase fields with chemical compositions. This phenomenon is result of thermal and mechanical treatments and reactions. These alloys have thermoelasticity [....] » Read More
Multifunctional nanostructures find the possibility for their applications in water splitting processes for hydrogen generation as a renewable source of green energy. The studies of some multifunctional nanoparticles especially heterostructures by chemical synthesis reveal the fo [....] » Read More
Biogas obtained from biomass, consisting primarily of methane and carbon dioxide, can be subjected to reforming to produce syngas. An ab initio microkinetic model (MMK) is developed to understand the reactivity trends of the terrace (111) and stepped (211) sites of transition met [....] » Read More
Plasmonic metal-semiconductor composite finds merit in the field of photocatalytic reactions because of the contribution from each component and to the multifaceted functionalities attained due to the synergistic intra-particle interactions at the interface of integrated componen [....] » Read More
Abstract: Nowadays, the development of new analytical devices able to carry out chemical analysis in situ and in real time with fast and cheap protocols is a theme of great importance. Indeed, chemical sensors are very important in many fields, from sanity to the environmental on [....] » Read More
In recent years, the whole world has been trying to reduce CO2 emissions through the global decarbonization of energy processes. In this view, the interest in green hydrogen has drastically increased. One way to produce green hydrogen is by water electrolysis using only [....] » Read More
Green chemistry is attracting more attention and effort than ever before because it can provide sustainability of environments and energy from noncarbon-based fuels. Semiconductor photocatalysis has been under extensive study since the 1970s for many applications, especiall [....] » Read More
This research aims for adsorptive removal of phenol from wastewater by solid materials generated from biological wastes viz. guava tree bark, rice husk, neem leaves, activated carbon from coconut coir and industrial wastes viz. rice husk ash, red mud, clarified sludge from basic [....] » Read More
In recent years, great attention has been paid to the bioactivity of natural products obtained from plants (case of Ammivisnaga in this studie) and animals, in addition of marine origin, she [....] » Read More
Incentives toward the Hydrogen Economy offer a very interesting scenario for the coming years. Considerable research efforts are focusing on the efficient and economical production of carbon-free hydrogen production processes. In this context, the development of electrolyzers pro [....] » Read More
Hydrogen is a useful zero-emissions fuel, and therefore, it has the potential to play a significant part in the development of energy blend adjustments via a variety of methods. Hydrogen is used as an industrial fuel in different processes, but it could also be employed to genera [....] » Read More
In the present study humic acid modified magnetite (HA-Fe3O4) nanoparticles as a novel magnetic adsorbent was synthesized by in situ co-precipitation method for malachite green (MG) remediation. The physio-chemical properties of the prepared nanoparticles were fully examined by u [....] » Read More
Developing low-cost and visible-light-driven metal oxide and sulfide-based photocatalysts for the degradation of organic dyes has been a major area of research to mitigate environmental pollution. In this study, a low-cost and facile precipitation method at low temperature of 95 [....] » Read More
In the present investigation, nano-sized barium chromate has been used as a photocatalyst for the degradation of an organic pollutant. The semiconductor was prepared by precipitation method and it was characterized by different analytical techniques like XRD, SEM-EDS and FT-IR. B [....] » Read More
Biodiesel synthesis via electrolysis process is a promising approach, in which hydroxide ions are generated by electrochemical reactions in the cathode electrode, accelerating the transesterification reaction. Compared to conventional methods, electrochemical approach is an envir [....] » Read More
Natural marne clay (NMC) is a new clay that was used for the adsorption of heavy metal ions. The objective of this study is to examine the retention capacity of heavy metals by natural Marne clay from the Saf-Saf region by depollution methods. Among the used techniques adsorpt [....] » Read More
The development of efficient and selective catalysts for the oxidative dehydrogenation of n-Butane to produce alkenes with higher value has been a subject of intense research in recent years. In this project, we present a novel approach for predicting the performance of mixed met [....] » Read More
Globally, over 380 million metric tons plastics are produced in a year and the bins are also overflowed because of used plastics. Presently, there are many technologies which recycle the plastic waste to support in controlling pollutions. They give the various drawbacks and after [....] » Read More
This presentation will discuss major catalyst modeling advancements, including theoretical frameworks. Advances in catalyst modeling and simulation have been instrumental in understanding the underlying mechanisms of catalytic reactions and designing more efficient catalysts. The [....] » Read More
Thanks to the discovery of sulfur vulcanization of natural rubber, in 1839, this material brings a lot of break though as regards to their mechanical behavior. Today such material is used in many industrial applications (engine mount, tire, elastic…). Although sulfur vulca [....] » Read More
This study is based on the examination of waste animal bones treated with potassium hydroxide (KOH) as solid base heterogeneous catalyst for transesterification of waste cooking oil. The prepared catalyst was characterized by thermo-gravimetric analysis (TGA) and Fourier transfor [....] » Read More
1. Background This study describes the synthesis of an innovative nanomaterial composed of cobalt ferrite functionalized in niobium pentoxide [email protected] synthesized by green synthesis using tangerine peel extract. The material values the combination of a magnetic material (wh [....] » Read More
Anjili tree (Artocarpus hirsutus) sawdust (44%) impregnated with ferric hydroxide (28%) and activated alumina (28%) to form an adsorbent SFAA contains micro, meso and macro pores with high BET surface area and good pore size distribution. The macro pores transport the liquid to t [....] » Read More
Title : Application of metal single-site zeolite catalysts in catalysis
Stanislaw Dzwigaj, Sorbonne-Universite-CNRS, France
The metal ions well dispersed at the zeolite framework are considered to be active sites of catalytic processes. Therefore, the incorporation of these metals into zeolites as isolated tetrahedral sites appears to be the important task. We have earlier shown that the incorporation [....] » Read More
Title : Advanced concepts for ultra- high conversion efficiency of solar photons into photovoltaics and solar fuels based on quantization effects in nanostructures and molecular singlet fission
Arthur J Nozik, University of Colorado, United States
In order to utilize solar power for the production of solar electricity and solar fuels on a global scale, it will be necessary to develop solar photon conversion systems that have an appropriate combination of high efficiency (delivered watts/m2) and low capital cost ($/m2). &nb [....] » Read More
Title : Distal functionalization via transition metal catalysis
Haibo Ge, Texas Tech University, United States
The ubiquitous presence of sp3 C−H bonds in natural feedstock makes them inexpensive, easily accessible, and attractive synthons for the preparation of common and/or complex molecular frameworks in biologically active natural products, pharmaceutics, agrochemicals, and mate [....] » Read More
Title : fcc/2H and fcc/4H copper nanodisks for carbon dioxide reduction
Shutang Chen, Honda Research Institute USA Inc, United States
The nanosized fcc/hcp (face centered cubic/hexagonal close-packed) noble metal heterostructures have demonstrated excellent catalytic performance towards hydrogen evolution reaction and CO2 reduction reaction. Among all the monometallic catalysts, copper has drawn great [....] » Read More
Title : On-line access to the running state of reforming catalyst based on molecular management
Fang Zheng, Petrochemical Research Institute of PetroChina Company Limited, China
Catalytic reforming is essential in petroleum refining, as it is the primary process for producing chemical raw material and hydrogen. At present, the operating conditions of catalytic reforming units are controlled based on traditional empirical models. The running sta [....] » Read More
Title : Engineering stable, expressible, functional industrial enzymes with protein sequence likelihood models
Shawn Reeves, University of Waterloo, Canada
Protein sequence likelihood models are a rapidly emerging class of deep learning algorithms which learn the likelihood of each potential amino acid to occur in a given structural, evolutionary, or sequence context. Recently, these models have demonstrated impressive performance i [....] » Read More
Title : Formation of Fe(III)-S and electron-deficient effect iron-based catalysts and its promotion for DBT hydrodesulfurization
Zhang Xinyue, PetroChina Company Limited, China
Nowadays, production of ultra clean fuels is required because of the restricted governmental regulations that all over the world so as to protect human health and environment. The S and N compounds are the major environmental pollutants in crude oil, and the hydrogenation process [....] » Read More
Title : Synthesis of carbon supported paladium/nickel catalyst using activated carbon based hazel nuts (corylus avellana) shells. Application on the catalytic reduction of nitrates in surface and ground waters using formic acid as a reducing agent.
Ndi Julius Nsami, University Of Yaounde I, Cameroon
The activity and selectivity of bimetallic catalysts Pd-Ni grafted on modified activated carbon were studied in order to optimize the synthesis of Pd-Ni bimetallic catalyst for the catalytic reduction of nitrates to gaseous nitrogen in surface and ground waters using formic acid [....] » Read More
Title : Tin catalysed reductive coupling of CO2 to amines in the presence of H2
Alexandros Paparakis, Charles university, Czech Republic
Reductive coupling reactions of amines to CO2 in the presence of H2 can be efficiently catalysed by Sn/N ‘Frustrated Lewis Pairs’ (FLPs). Sn/N FLPs, like traditional main group CO2 to amine reductive coupling catalysts, which are usually comprised of an inorganic salt [....] » Read More
Title : Enhancing the electrochemical performance of Garnet-based composite membrane via stabilizing its interfacial contact with electrodes for Lithium metal batteries.
Tadesu Hailu Mengesha, Ming Chi University of Technology, Taiwan
Sandwich-type solid polymer electrolyte (SSPE) membranes combining the attractive properties of inorganic and polymer electrolytes have emerged as preferred electrolytes for all-solid-state lithium metal batteries (ASSLMBs). Here, we used solution-casting to prepare an SSPE1 memb [....] » Read More
Title : An innovative magnetic resonance spectroscopic method for catalysts’ activities
Mohamed A Morsy, King Fahd University of Petroleum & Minerals, Saudi Arabia
The photocatalytic activity of TiO2 nanoparticles in aqueous solutions is commonly evaluated by monitoring the rate of methylene blue (MB) bleaching and phenols degradation, but both substrates suffer from many drawbacks, e.g. the high capacity of dark adsorption, self [....] » Read More
Title : Advanced catalysts derived from deep eutectic sugar-urea-salt systems
Xingmao Jiang, Wuhan Institute of Technology, China
Low-melting eutectic mixtures of sugar, urea (thiourea), and salt (SUS method) are investigated for the preparation of a series of nanostructured catalysts with desired phase, size, morphology and composition by in-situ self-assembly and controllable sol-gel proce [....] » Read More
Title : Production of biomass-Derived 2,5-Furandicarboxylic acid alternative to terephthalic acid over non-precious catalyst
Kashan Bashir, Tsinghua University, China
Poly(ethylene terephthalate) (PET), a chemical derived from fossil fuels with a market size of around 15 million metric tons among engineering polyesters, accounting for 0.2% of all primary energy utilized globally in PET production. In this context, polyethylene furandicarboxyla [....] » Read More
Title : Comparison of the Heterogeneous Catalytic Activity of Various solid acids in Esterification Process of Methyl Acetate Production
Nahal Majdodin, Science and Research University of Tehran, Iran (Islamic Republic of)
Active and low-cost heterogeneous catalytic systems still need to be developed in industry. Solid acid catalysts play an important role in chemical reactions. Porous solid acid catalysts are desired according to their increased surface area as well as the catalytically active sit [....] » Read More
Title : Encapsulating Copper-based nanostructures into Metal-Organic frameworks for CO2 conversion
Bo Li, Nankai University, China
The integration of metal/metal oxide nanoparticles (NPs) into metal–organic frameworks (MOFs) to form composite materials has attracted great interest due to the broad range of applications. However, to date, it has not been possible to encapsulate metastable NPs with high [....] » Read More
Title : Analytical Kinetic Thermometric Methods. A review
Victor Cerda, Sciware Systems, Spain
Kinetic enthalpimetric methods may offer some interesting performances, like to be blind to the color and/or turbidity of the samples. This contribution paper will be related with the description of some enthalpimetric kinetic methods and their instrumentation. It will include a [....] » Read More
Title : Review of research topics for scaling-up of sonochemical reactors (sono-reactors)
Orlando Elguera, National University of Engineering, Peru
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, defi [....] » Read More
Title : Role of additional nutrients and intermediate temperature on methane generation from anaerobic digestion of agricultural waste: Feasibility & Fertilizer recovery
Md Nurul Islam Siddique, University Malaysia Terengganu, Malaysia
The rise in demand for organisms pulled in by anaerobic digestion could be due to the simultaneous digestion of many substrates. The impact of supplements on the co-digestion of growth substrates was investigated in this study. In three phases, 37 °C, 40 °C, and 50 °C [....] » Read More
Title : Development of catalysis pathways in remote C-H activation
Guanghui An, Heilongjiang University, China
Given that C−H bonds are ubiquitous in organic compounds, the direct and site-selective functionalization of C−H bonds to amend molecular complexity is tremendously attractive with respect to both step and atom economy. Despite the wide establishment of ortho-C(sp2)&m [....] » Read More
Title : Evidence for formation of iron oxide nanoparticles into the mechanistic of the Thermal DecomposiAmmoniump perchlorate using ferrocenyl compounds derived from 1,2,3-triazolyl ligand as burning rate catalysts
Cesar Morales Verdejo, Universidad Bernardo O'Higgins, Chile
Rocket technology research is currently receiving the utmost attention due to its potential applications, mainly in the aerospace equipment industry. In this way, for the first time in human history, a commercially built spacecraft by Space-X operated by a crew of NASA astronauts [....] » Read More
Title : LiAlO2-Melamine for efficient and rapid iodine capture
Alemtsehay Tesfay Reda, Myongji University, Korea, Republic of
Inadequate accessible resources and uncontrolled population growth have provided the opportunity to identify and use uncustomary resources for industrial application. Nuclear power is potential to fulfill the global energy demand, and iodine is an essential input for such energy [....] » Read More
Title : The solventfree mechano-chemical grinding ofa bifunctional P25–graphene oxide adsorbentphotocatalyst and its configuration as porousbeads
Malika Tamimi, University Ibn Zohr, Morocco
Titanium-dioxide based nanomaterials have been widely used in water-cleaning technology, with Degussa (P25) being the most promising photocatalyst under UV light. However, its effectiveness under visible light requires the combination of titanium dioxide with other photosensitizi [....] » Read More
Title : Nuclear spin catalysis in living nature: magnetic-isotope effects in cells and biomolecular motors
Vitaly K Koltover, Federal Research Center of Problems of Chemical Physics and Medical Chemistry, Russian Academy of Sciences, Russian Federation
In physics and chemistry, magnetic isotope effects (MIE) have long been known for a number of chemical elements, including magnetic isotopes of carbon, oxygen, sulfur, germanium, mercury, and uranium (Zeldovich, Buchachenko, Frankevich, 1988). Not long ago, MIE were discovered in [....] » Read More