The metal ions well dispersed at 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 of [....] » Read More
Green Hydrogen is increasing rapidly across Europe with the UK highly involved in the electrochemical catalysts required. This year is significant because proof is emerging that electrolysis based on solar and wind power can produce green hydrogen that can compete economically wi [....] » Read More
The performance of fiber-reinforced polymer composites is determined by the interface compatibility. In particular, the hydrophilic nature of cellulose fibers dispersed in a hydrophobic matrix requires additional surface modification as traditionally done with chemical surface gr [....] » Read More
Shape memory alloys take place in a class of adaptive structural materials called intelligent or smart materials by exhibiting a peculiar property called shape memory effect and superelasticity with the recoverability of two shapes at different conditions. Shape memory effe [....] » Read More
A setup for steam electrolysis as well as steam electrolysis combined with CO2 reduction at “Intermediate temperature” (240 -300oC) and elevated pressures (up to 30 bar) was constructed. This temperature range is placed in between the temperature range for proton exch [....] » Read More
The synthesis of carboxylic acids is of high importance for the chemical industry, as the resulting products can be found in multiple fields like pharmacy, cosmetics, polymer industry and other. The alkoxycarbonylation represents a very important reaction for these products as ac [....] » Read More
Tackling climate change is the most urgent challenge we face, our efforts to stabilize temperatures so far have not had any impact. The purpose of this presentation is to explain my research findings. Over the course of many years, my understanding of how the atmos [....] » Read More
A variety of three forms of lonsdaleite was identified and studied during the crystallochemical formation of crystals in the bowels of the depth plasma fluid. From the study of the crystal-chemical and geometric properties of the minerals of kimberlite pipes and volcanic formatio [....] » 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
Methane dehydroaromatization (MDA) reaction is typically catalyzed by a bifunctional Mo/H-ZSM-5 catalyst to produce benzene from methane (6CH4 → C6H6 + 9H2; ΔGo=432.5 kJ/mol). This reaction is one of the most complex problems of catalysis because of thermodynamic limit [....] » 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
Molecular cascades that analyze pairs or triplets of surface markers on individual cells in a manner of Boolean logic gates are based on chemical reaction networks comprising oligonucleotide-antibody conjugates and partially complementary oligonucleotides. While traditional [....] » Read More
Emerging pollutants are compounds of different classes, where could find pesticides, drug pharmacists, personal care products, flame retardants, plasticizers, and nanoparticles. Their presence has been quantified in effluents of wastewater plants from different hospitals, princip [....] » Read More
Block carriers are widely used for the preparation of automotive catalysts. All known block catalysts contain platinum group metals. However, these catalysts are expensive and mechanically insufficiently strong due to the difficulty of achieving the necessary adhesion of the seco [....] » Read More
A novel series of Supported Ionic Liquids (SILPs) based on triazolium core were meticulously synthesized and harnessed as catalysts for facilitating the N-arylation of aryl halides with anilines. The synthesis procedure involved the adept chemical modification of triazoles throug [....] » Read More
The aim of this work is to analyze how corrosion risk management influences process safety. Both issues are wide and occupy an important niche in the chemical industry. Corrosion risk management includes identifying, analyzing, assessing, and managing corrosion hazards. Process s [....] » Read More
The presence of heavy metals and metalloids in water represents nowadays one of the most important environmental problems. These species have infinite lifetimes, and chemical or biological treatments present severe restrictions or are economically prohibitive. Hexavalent chromium [....] » Read More
Ferrocene-based unsymmetrical bis phosphines, Fc (PAd2)(PR2) (R= Ph, Cy, iPr and tBu) abbreviated as MPhos ligands, as well as their corresponding (MPhos)PdCl2 complexes as pre-catalysts were developed in very good yields and fully characterized. These complexes as precatalysts w [....] » Read More
Nanomaterials have been widely tested in vitro and in small order animal studies for decades. Results have shown greater tissue growth, decreased bacteria growth, and inhibited inflammation. However, few, if any, studies exist examining human tissue response to nanomaterials. Thi [....] » Read More
Recently, graphene oxide and its products have been recognized as a common nanostructure material due to many applications. The synthesis of graphene oxide besides the extract of Juglans Nigra leaves caused to fabrication of Ag-shaped nanocomposites. The extract was added to 15 a [....] » Read More
Selective oxidation of alcohols to aldehydes or ketones is a fundamental process in organic chemistry and the development of green and sustainable transformations are strongly required. Indeed, the traditional reaction requires large amounts of solvent and oxidant, causing seriou [....] » Read More
Traditionally a disease has been defined by its clinical presentation and observable characteristics, not by the underlying molecular mechanisms, pathways and systems biology-related processes specific to a particular patient (ignoring persons-at-risk). A new systems approach to [....] » Read More
The treatment of three sulfonamides namely sulfadiazine (SDZ), sulfathiazole (STZ) and sulfamerazine (SMZ) were performed via adsorption process to reused MXene doped to bismuth ferrite (MXene/ BiFeO3) nanocomposite. The adsorption activity of MXene/ [....] » Read More
Transformation of carbon oxides, carbon monoxide and carbon dioxide, to organic chemicals is demanding area of research due to environmental concern on one side and utilization of the carbon oxides as feed stocks to produce chemicals on the other side. Severe environmental concer [....] » Read More
The world is facing two major problems these days: Ever increasing pollution and scarcity of energy resources. Advanced Oxidation Processes are eco-friendly pathways and photocatalysis is one of these processes, which can provide a solution to both these issues. Hydrogen is advoc [....] » Read More
In this study the pollutants (COD,CODdis, TOC, BOD5, TSS, TDS, color) were degraded by Fe2O3-TiO2 nanocomposite produced under laboratory conditions. The effects of pollutant concentration (COD dis= 500, 700, 1000, 1500 and 2000 mg/l),photocatalytic power [....] » Read More
This study describes the synthesis of an innovative nanomaterial of cobalt ferrite functionalized in niobium pentoxide CoFe2O4@Nb2O5 synthesized by green synthesis using orange peel extract. The material values the combination of a magnetic material (which allows easy recovery af [....] » Read More
Title : Industrial scale production of high performance nanophotocatalysts: Flame Spray Pyrolysis (FSP) as a scalable technology for transition from lab to industrial engineering and the TRL hurdles
Yiannis Deligiannakis, University of Ioannina, Greece
Establishing methods & protocols for synthesis of High-Performance Photocatalytic nanomaterials is a long-sought aim in science and economy. Technology-Readiness-Level (TRL) is a validation ladder that dictates the stages to achieve a successful transition from Lab towa [....] » Read More
Title : TE/TM polarization MMI combiner based on silicon slot-waveguide technology
Dror Malka, Holon Institute of Technology (HIT), Israel
The study of designing a compact transverse electric (TE)/ transverse magnetic (TM) polarization multimode interference (MMI) combiner based on silicon slot-waveguide technology is proposed for solving the high demands for high-speed ability alongside more energy power and minimi [....] » Read More
Title : Sorption Enhanced Water Gas Shift (SEWGS) process during biomass gasification
Enrico Paris, CREA-IT & DIAEE, Italy
The research activity carried out responds to the need to find sustainable alternative energy sources. Gasification is a thermochemical energy conversion technique of biomass that allows to obtain a syngas, which can be stored or directly used as a fuel. In this work a prototypal [....] » Read More
Title : Hybrid molecular catalysts for industrial-scale H2 production from C1-substrates at near ambient conditions: Opportunities and challenges
Maria Louloudi, University of Ioannina, Greece
Within the context of the forthcoming Hydrogen-Economy, catalytic H2-production under mild, near ambient P, T, conditions from C1-substrates e.g. HCOOH, HCHO, MeOH, represents highly potent technology. A key foreseen challenge is H2-production at high-rates i.e. Kg H2/hour, compl [....] » Read More
Title : Hydrogen technologies for sustainable future
Faizan Ahmad, Teesside University, United Kingdom
Hydrogen economy relies on hydrogen as the commercial fuel that would deliver a substantial fraction of a nation's energy and services. Hydrogen technologies and policies have gained considerable attention as promising approaches for addressing energy and environmental issues [....] » Read More
Title : Catalytic pyrolysis of waste electrical and electronic equipment plastics for chemical recycling
Hoda Shafaghat, RISE Research Institutes of Sweden, Sweden
Waste electrical and electronic equipment (WEEE) constitutes one of the fastest growing waste streams globally. In Europe, almost 10 kg per capita of WEEE has been collected during 2019 and more specifically, Sweden, where this study performed, the amount collected is even higher [....] » Read More
Title : Industrial scale olefin metathesis with schrock catalysts
Krisztian Lorincz, XiMo Hungary Ltd, Hungary
Research into the field of olefin metathesis has led to the development of two prominent classes of catalysts known as Schrock catalysts and Grubbs catalysts. The two classes differ significantly in terms of reactivity and functional group tolerance. XiMo Hungary Ltd. (part of Ve [....] » Read More
Title : Undoped and Co-doped anatase-brookite catalysts – An experimental/theoretical study of the less-studied TiO2 mixed phase
Christian Vianey Paz Lopez, Chulalongkorn University, Thailand
Organic pollutants (OrPo) removal from wastewater is challenging, due to their unique behaviour, mechanisms and side effects. Advanced oxidation process (AOPs) is a group methods based on pollutants mineralization by generating highly reactive oxygen species (ROS), such as hydrox [....] » Read More
Title : Analysis of phosphoric ore bacterial and eucaryal microbial diversity by molecular tools and small-subunit (SSU) sequencing
Ilhem OMRI, National Institute of Applied Sciences and Technology, Tunisia
Pollution of water and soils with heavy metals is becoming one of the most severe environmental and human health hazards. Therefore, the application of heavy metal-solubilizing microorganisms is a promising approach for increasing heavy metal bioavailability in heavy metal amende [....] » Read More
Title : Design of novel ZnO nanostructures for enhancing the photocatalytic degradation of organic pollutants
Wael Hamd, University of Balamand, Lebanon
In recent years, photocatalysis has emerged as an eco-friendly method for the degradation of various types of organic pollutants in liquid and gas phases. More precisely, photocatalysts like Zinc oxide (ZnO) offer various advantages including low cost, chemical–physical sta [....] » Read More
Title : Production of zeolites by conversion of kaolin for application in the process of catalytic cracking in fluidized bed
Teresa Matoso Manguangua Victor, Higher Polytechnic Institute of Technologies and Sciences, Angola
The Fluidized Catalytic Cracking (FCC) process of petroleum is employed in the petrochemical industry to transform the heavy fractions of distillation residues into light products with higher demand and added value, such as gasoline and LPG. The FCC process employs zeolitic [....] » Read More
Title : Synthesis and characterization of modified cellulose acetate ultrafiltration membranes prepared from CA/PVP/Additives/solvent used for water ultrafilteration applications
Hossam Ahmed Tieama, Abu Qir Fertilizers and chemical industries Co.Alexandria, Egypt
The main objective of this work is to achieve a high performance membrane with respect to flux and rejection characteristics, with good hydrophilicity and mechanical properties by blending the main polymer cellulose acetate with polymers having desired qualities. The cellulose ac [....] » Read More
Title : Open Sn sites on Sn-Beta zeolite and their role in MPVO reaction: A solid-state NMR study
Guodong Qi, Innovation Academy for Precision Measurement Science and Technology, China
The Meerwein-Ponndorf-Verley reduction of aldehydes and ketones and Oppenauer’s oxidation of alcohols (MPVO reactions) are important reactions in selective reduction of carbonyl groups under mild conditions. Recently, MPVO reactions have been considered as the bridge that c [....] » Read More
Title : Compaction characteristics predictive model from index properties of fine - grained soils case in Mekelle city, Northern part of Ethiopia
Freweyni Kassa Gebremariam, Mekelle University, Ethiopia
The compaction test Optimum moisture content (OMC) and Maximum dry density (MDD) has been acknowledged as an important parameter to characterize the strength/bearing capacity of earth structures. Technically, the compaction tests are carried out in the laboratory or in the field. [....] » Read More
Title : Bioluminescence: Studying the behavior of the light-off bioreporter DF4/PUTK2 as a light-on assay against lead
Abdul Rhman H Muhammad, Cairo University, Egypt
Recombinant bioluminescent bacteria are frequently directed towards use as environmental biosensors because it has high sensitivity, selectivity, costless, easy to use and function as rapid measurement to detect heavy metals. The bioluminescence of DF4/PUTK2 assay is based on usi [....] » Read More
Title : Application of a new generation of triazine-based coupling reagent in medicinal chemistry
Danuta Drozdowska, Medical University of Bialystok, Poland
Amide bond formation is an important transformation in organic synthesis. These bonds are often present in many active derivatives characterized by a variety of pharmacological activities, e.g. anti-inflammatory, analgesic, antimicrobial or anticancer. The amide group is also a u [....] » Read More
Title : Development of a solid biocatalyst through the immobilization of laccase enzyme on a chemically modified polylactic acid support
Carola Bahamondes Donoso, Universidad Tecnológica Metropolitana , Chile
Laccase enzyme is a non-specific oxidoreductase that has great potential in the pharmaceutical, food, chemical and environmental industries. This enzyme, which is mainly produced by lignolytic fungi, catalyses oxidation-reduction reactions of compounds of phenolic [....] » Read More
Title : Cellulose-based metal chelate-epoxy bifunctional adsorbent for concomitant purification and covalent immobilization of His-tagged trehalose synthase
Sung Chyr Lin, National Chung Hsing University, Taiwan
The development and application of cellulose-based metal chelate-epoxy bifunctional adsorbent for the concomitant purification and immobilization of enzymes will be presented. Upon ?-cyclodextrin grafting, the adsorption capacity of the cellulose-based metal chelate adsorbent for [....] » Read More
Title : The gas industry and the preservation of the environment
Belarbi Kheira Lamia, University of Sciences and the Technology of Oran M-B-USTO-MB, Algeria
The molecular sieve used in the gas industry to remove water from this gas is discarded after four years of use, as these molecular sieves are no longer effective. Molecular sieves used in dryers in the gas industry to remove water from the gas to avoid clogging of pipes during s [....] » Read More