Many novel precursor catalysts, catalytic systems and even catalytic processes are being developed and studied in research laboratories without being able to reach chemical industry. Laboratories and institutes usually consume resources for further studying novel catalytic proces [....] » Read More
In this study, we have been synthesized porous hybrid N-doped graphene oxide (NGO)-WO3 composite for photo degradation efficiency tested with methyl orange (MO) decomposition under visible-light irradiation. The NGO- WO3 composite were synthesized by a by microwave-assisted hydro [....] » Read More
Electrocatalyst composite consisting of copper (Cu), nickel (Ni), molybdenum (Mo) phosphorus (P) was synthesized and evaluated for the electro-oxidation of glycerol. An autocatalytic chemical reaction technique in an aqueous media containing the component ions of the composite wa [....] » Read More
Titanium- and aluminum-catalyzed ethylene dimerization to 1-butene (AlphaButol process) has been practiced industrially for decades, yet inevitable reactor fouling with polyethylene byproduct remains a fundamental challenge. Spectroscopic data has shown that a complex mixtu [....] » Read More
The development of automatic analyzers based on flow techniques, like FIA, MSFIA, SIA, MPFS, etc., involves the use and continuous innovation of fluidic devices. The new trends go toward miniaturization of sophisticated fluidic platforms, like chips, requiring continuous advances [....] » Read More
To this day conventional wastewater treatment plants are not able to eliminate all organic pollutants That is why the development of new technologies is necessary. An option that has shown promising results is the application of different advanced oxidation processes (AOP). They [....] » Read More
The effect of surface coverage (θ) on single NO*, N* and O* and double NO*–(N*−Pt), NO*−(O*–Pt), N*– (O*−Pt) and O*–(N*−Pt) co-adsorbed systems on Pt(211) stepped surface has been studied by using periodic density functional t [....] » Read More
This study shows the technical feasibility to recover uranium from copper Pregnant Leaching Solutions (PLS) using ion-exchange, after a removal of chloride ions using the electrodialysis (ED) technique. The original copper PLS solutions came from the National Copper Corporation ( [....] » Read More
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
The increasing industrial and human activities have caused an increase on the discharge of wastewater into the water resources. Phenol is a major pollutant found in the wastewater of several industries. Phenol is very dangerous, harmful, and causes excretion of dark urine, impair [....] » Read More
Metal-organic frameworks (MOFs) have developed as promising crystalline materials because of their esthetically pleasing structures. The crystal structures of MOFs can be customized depending on the metal and ligand choice as also on the solvents and reaction conditions employed. [....] » Read More
Heme enzymes known as peroxidases (E.C.1.11.1.7) use hydrogen peroxide as an electron acceptor to catalyse a variety of oxidative processes. There are two significant environmental challenges that are driving the current interest in catalytic bioconversions. (i) Using H2O2 as an [....] » Read More
Photocatalytic hydrogen generation and room temperature gas sensors are promising to minimize environmental pollution and carbon-based gas emissions [1]. In this work, TiO2 nanoparticles grown onto CdS nanorods were designed via two-stage facile synthesis to obtain 1D/0D unique h [....] » Read More
Ionophore antibiotics are a large group of naturally-occurring compounds produced by different species of Streptomyces [1]. There are common used in the animal husbrandy industry and veterinary as e.g. feed additives and medicine. Lasalocid acid is classified as the most often ut [....] » Read More
2,2’-Dipyrromethanes (dipyrranes) are a class of ligand that is partially conjugated and comprising two pyrrole rings fused at the meso carbon atom (Fig1a). These ligand systems serve as precursors for the synthesis of porphyrins and related macrocyclic structures. Formed b [....] » Read More
The asymmetric synthesis of cyclic compounds in special 5-membered carbocyclic ring systems is of grand importance, once this scaffold is widely found in numerous medicinal and biologically active compounds. 1 For this porpoise, metal transition catalyst is extensively used;2 how [....] » Read More
Zeolite Y with Faujasite structure includes high surface area, high thermal/hydrothermal stability, and large pore volume. Tunable acidity is responsible for its application as an acid catalyst in several crucial industrial chemical processes. The micro-porous structure of zeolit [....] » Read More
X-ray Fluorescence spectrometry (XRF) is offered in terms of quantitative, fast, and reliable analysis in a wide range of mineral compounds. The intensity of the fluorescence X-ray radiation emitted from the analyte is used for the quantitative analysis of elements [....] » Read More
Photocatalytic reduction of nitroaromatic compounds and azo dyes present in wastewater by nanostructured materials is a promising process for the treatment of contaminated water. Nanocomposites decorated with metallic nanoparticles in their matrix are an important class of hetero [....] » Read More
Title : Application of Metal Single-Site Zeolite Catalysts in Enviromental Catalysis
Stanislaw Dzwigaj, Sorbonne-Universite-CNRS, France
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
Title : Heterogeneous Fenton process for enhanced liquid waste treatment
Eleonora Aneggi, University of Udine, Italy
Innovations in water technology are fundamental to finding solutions to the nowadays challenges: climate change, resource shortages, emerging contaminant, urbanization and sustainable development. Nowadays the use of conventional wastewater processes is becoming increasingly chal [....] » 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 : 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 : Designing Multifunctional Nanostructures for H2 Energy Applications
Tokeer Ahmad, Jamia Millia Islamia, India
Multifunctional nanostructures find the possibility for their applications in water splitting processes for hydrogen generation as a renewable source of green energy. Photocatalytic generation of hydrogen in water splitting process by using as-prepared nanoparticles has also been [....] » Read More
Title : Enzyme sulphide coupling for light induced water splitting and CO2 reduction
Jose C Conesa, Institute of Catalysis and Petroleum Chemistry, Spain
Many sulphide semiconductors are photocatalytically active in significant ranges of the visible spectrum; our group has shown this, specifically, for In2S3 and SnS2 (R. Lucena et al., Catal. Commun. 2012, 20, 1; ibid. Appl. Catal. A: General, 2012, 415-416, 111). Furthermore, by [....] » Read More
Title : Kinetics of catalytic hydrogenation of propene Investigations based on graph theory
Miroslaw Szukiewicz, Rzeszow University of Technology, Poland
The kinetics of heterogeneous catalytic reactions is the topic of theoretical and practical importance. Theoretical aspects are concerned with determination of the process run, stages, limitations etc., while in practical applications kinetic experiments were applied to assist re [....] » Read More
Title : Catalytic performance of modified delaminated zeolite ITQ 2 in selective catalytic reduction of nitrogen oxides with ammonia
Agnieszka Szymaszek Wawryca, AGH University of Science and Technology, Poland
The emission of nitrogen oxides (NOx) from stationary and mobile sources is among very significant environmental issues. According to the Best Available Techniques, currently the most efficient method to reduce NOx production is selective catalytic reduction with ammonia (NH3-SCR [....] » Read More
Title : Experimental analysis of delivering various liquid fuels to Molten Carbonate Fuel Cell (MCFC)
Olaf Dybinski, Warsaw University of Technology, Poland
During presentation, results of experiments of fuelling Molten Carbonate Fuel Cell with low molecular liquid fuels (methanol, ethanol, propanol isomers, butanol and glycerol) will be presented. As MCFC temperature during operation reaches 650°C and anode is made of nickel, wh [....] » Read More
Title : Combining Organocatalysis and Multicomponent reactions: A sequential synthesis of Sec-containing peptides and dehydropeptides
Alexander Fernandez de la Torre, University of Concepcion, Chile
The efficient design, scalable synthesis of biologically relevant compounds with high structural similarity to natural products remains a challenge to chemical synthesis areas. Metal transition catalysts have been extensively employed for the synthesis of bioactive compounds.1 Ho [....] » Read More
Title : Grapefruit debittering by simultaneous naringin hydrolysis and limonin adsorption using immobilized naringinase
Paulina Urrutia Acevedo, Pontificia Universidad Católica de Valparaíso, Chile
Naringin and limonin are the two main bitter compounds of citrus products such as grapefruit juice. To reduce or remove bitterness in citrus juices below the threshold level for consumer acceptability, several physicochemical and biochemical strategies have been developed; howeve [....] » Read More
Title : Photocatalytic degradation of antibiotic pharmaceutical pollutant by a magnetic material, Aluminium ferrite (AlFeO3)
Bhuvanasundari, IIT Madras, India
Sulfamethoxazole (SMX) is one of the widely used antibiotics in human and animal medical treatments. Traces of unexploited SMX are found in surface and ground waters, which cause the emergence of antibiotic resistance bacteria and antibiotic resistance genes. Due to low biodegrad [....] » Read More
Title : Reduction of Toxic Dyes Using Recyclable Core Shell Nanoparticles Catalyst
Khalida Naseem, University of Central Punjab, Pakistan
Industrial effluents consist of various toxic dyes and nitro-aromatic compounds that are harmful to environment and cause water pollution at large level. Therefore, removal/degradation of these toxic pollutants from the wastewater sources is need of time. Here, silver nanoparticl [....] » Read More