The United Nations has begun to establish the strategies responding to climate change at a global level as a guideline for climate change policies to be launched by each country. This is because climate change is placed at the top among environmental problems in that its impact o [....] » Read More
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
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
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
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
Biomass to liquid process is a promising alternative to meet the growing demand for liquid fuels in a sustainable way, with this in mind the present study focuses on the fabrication, characterization, and performance of a structured iron catalyst to produce hydrocarbons through F [....] » Read More
1. Background This study describes the synthesis of an innovative nanomaterial composed of cobalt ferrite functionalized in niobium pentoxide CoFe2O4@Nb2O5 synthesized by green synthesis using tangerine peel extract. The material values the combination of a magnetic material (wh [....] » 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, defi [....] » 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
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
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
Cyanide is a highly toxic substance widely used in the gold mining. Heterogeneous photocatalysis with TiO2 is an attracted alternative to degrade contaminants in lesser toxic substances. TiO2 needs UV light to be active which is undesirable. However, when it is doped with iron ca [....] » Read More
Non-ferrous metal smelters produce 450,000 tons of output (3.1% of the world’s output), with copper ranking as the 10th most impactful metal in terms of health. The latest data from smelters shows the overall average concentration of SO2, NO2, O3, PM10, and PM2.5 in 20 [....] » Read More
Metal halide perovskite materials have emerged as promising candidates for the development of highly responsive ammonia gas sensors due to their sensitivity to low gas concentrations, with potential applications in safeguarding human health and environmental ecosystems. Typically [....] » Read More
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
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
The pollution of water is increasing day by day with a rapid pace and it has reached an alarming situation in this century. Although, many methods are available for wastewater treatment but majority of them are not green chemical in nature. The scarcity of useable/potab [....] » 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
The present investigation primarily concentrates on the surface alteration of pure g-C3N4 by SnO2 to expand the life span of excitons. The pure and SnO2 loaded g-C3N4 photocatalysts in various compositions were synthesized and characterized by UV-vis diffuse reflectance spectrosc [....] » Read More
Heavy Poly Nuclear Aromatic (HPNA) hydrocarbon compounds are one of the major poisoning and corrosive substances that severely impact refinery equipment and catalyst life cycle. It is mostly produced as a by-product of the hydrocracking process, where the lack of efficient hydrog [....] » Read More
The nanotechnology could deliver world-altering changes in the ways we create, transmit, store, and use energy. The scientists are working to develop super-efficient batteries, low-resistance transmission lines, and cheaper solar cells. However, the likelihood and time frame of t [....] » Read More
facial one-step synthesis procedure was applied to prepare porous sponge-like ceria (CeO2) and manganese doped porous ceria (Mn-CeO2) with different Mn content (1 to 10%) to improve its photocatalytic performance. The synthesis was performed by were prepared by using a flash comb [....] » 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
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 one. Actuall [....] » 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 electrici [....] » Read More
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
Vindoline and catharanthine are the major alkaloids of Catharanthus roseus and are extracted in large quantities to prepare the pharmaceutically important Vinca-type alkaloids vincaleukoblastine, vincristine and navelbine. The higher yield of vindoline relative to catharanthine m [....] » Read More
In this paper, the results of studying the catalytic conversion of 4-VCH in the presence of a pentasil-type zeolite modified with zirconium, iron, and gadolinium (or neodymium) oxides, as well as the effect of adding reaction by-products on the selectivity of the process are disc [....] » 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 : 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 : 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 : Tailoring cu-hydroxyapatite catalysts for hydrogenation of levulinic acid to ?-valerolactone: Impact of copper loading, reaction temperature, and catalyst durability
Ahmed Bahgat Radwan, Qatar University, Qatar
Synthesis of γ-valerolactone (GVL) from levulinic acid (LA) holds significant importance as a sustainable route for the conversion of biomass-derived feedstocks into valuable chemicals. In this study, Cu-Hydroxyapatite (Cu-HAp) catalysts were investigated for the [....] » Read More
Title : Enhancing energy efficiency in buildings through functional nano-coatings for window glazing: A study on the thermal behavior of glass in saudi arabia
Ahmed Almogbel, King Abdulaziz City of Science and Technology, Saudi Arabia
Understanding and predicting the thermal behaviors of a building's interior requires knowledge of the amount of heat flow. Improving the performance of a building's window system is necessary for achieving greater energy efficiency. Glazing materials in windows allow visi [....] » Read More
Title : Tunable anchoring of metal nanoparticles on hard carbon supports for kinetically superior and selective hydrogenation of olefins
Gitika Rani Saha, IITB-Monash Research Academy, India
The multiphasic nature of the catalysts, reactants and products continues to be a major obstacle in realizing enhanced kinetics without compromising on the selectivity and durability of heterogeneous chemical catalysts. Conventional understanding has focused on improvin [....] » Read More
Title : The effect of co-feeding H2 and CO2 on ethylene oligomerization to produce fuel-range hydrocarbons
Omar Abed, King Abdullah University of Science and Technology (KAUST), Saudi Arabia
The climate change crisis has triggered various efforts to mitigate greenhouse gas emissions and reduce carbon footprints. One of the most promising approaches is to capture carbon dioxide and transform it into higher-value chemicals. Ethylene, a major building block in the chemi [....] » Read More
Title : Prediction of permeable reactive barrier width for arsenic treatment in groundwater using machine learning techniques
Guo Fengshi, Korea University, Korea, Republic of
Permeable reactive barrier (PRB) is an effective in-situ technology for aquifer and groundwater remediation [1]. The important factors in PRB design are the width and selection of the reactive material [2]. In this study, the beaded coal mine drainage sludge (BCMDS)&nbs [....] » Read More
Title : Prediction of micro pollutants degradation kinetic constants by ultrasonic using XGBoost and SHAP models and verification through experiments
Sun Shiyu, Korea University, Korea, Republic of
In recent years, the emissions of micro-pollutants have been continuously increasing, leading to the sustained significance of degrading micro-pollutants in aquatic systems. Among various degradation methods for micro-pollutants, the approach of ultrasonic degradation in aquati [....] » Read More
Title : Synthesis, charaterization and application of nano sized barium chromate for photocatalytic degradation of an organic pollutants
Dineshkumar Ishwarlal Prajapati, M. G. Science Institute, India
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
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 : Using artificial intelligence to predict the performance of Al2O3 supported Mixed-Metal catalysts for the oxidative dehydrogenation of n-Butane
Ridhwan Lawal, King Fahad University of Petroleum and Minerals, Saudi Arabia
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
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, Bernardo O'Higgins University, 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 : Enhanced photodecomposition of ammonia using ruthenium oxide-loaded 2d hematene
Hossein Hejazi, Czech Advanced Technology and Research Institute, Czech Republic
Two-dimensional (2D) non-van der Waals (n-vdW) materials, similar to graphene counterparts, offer exceptional properties and versatile uses. Among these, 2D iron oxides stand out for their magnetic, photocatalytic, and electrocatalytic potential. Here, we present the effective lo [....] » Read More