-
381
Magnetic polymeric ionic liquid for both catalysis application and magnetic solid phase extraction approach
Published 2025-01-01“…Then the desired catalyst was identified by TGA, FT-IR, VSM, and TEM techniques. …”
Get full text
Article -
382
Optimization of the catalytic ozonation process using copper oxide nanoparticles for the removal of benzene from aqueous solutions
Published 2017-12-01“…The current study aimed to examine the overall feasibility of the use of copper oxide nanoparticles (CuO-NPs) as a catalyst in ozonation process for the removal of benzene from aqueous solutions under experimental conditions. …”
Get full text
Article -
383
Effective Photodegradation of Methyl Orange Using Fluidized Bed Reactor Loaded with Cross-Linked Chitosan Embedded Nano-CdS Photocatalyst
Published 2014-01-01“…In addition, the effects of catalyst dosage, initial dye concentration, and initial pH of the dye solution on the photodegradation kinetics were investigated. …”
Get full text
Article -
384
A Comparative Study of AlCl3 and FeCl2-Modified TiCl4/MgCl2/THF Catalytic System in the Presence of Hydrogen for Ethylene Polymerization
Published 2016-01-01“…Moreover, the activity enhancement was due to the formation of acidic sites by modifying the catalysts with Lewis acids. Thus, FeCl2 doped catalyst (Fe-THF) exhibited the highest activity followed by AlCl3 doped catalyst (Al-THF) and undoped catalyst (None-THF). …”
Get full text
Article -
385
Reaction engineering of the hydrogenolysis of liquid n-Alkanes: Comparison of flow and batch reaction systems
Published 2025-03-01“…Currently there is much interest in developing catalysts for the hydrogenolysis of long-chain alkanes for use in the recycling and upcycling of waste polyolefins. …”
Get full text
Article -
386
One-Pot Synthesis of β-Acetamido Ketones Using Boric Acid at Room Temperature
Published 2012-01-01“…β-acetamido ketones were synthesized in excellent yields through one-pot condensation reaction of aldehydes, acetophenones, acetyl chloride, and acetonitrile in the presence of boric acid as a solid heterogeneous catalyst at room temperature. It is the first successful report of boric acid that has been used as solid acid catalyst for the preparation of β-acetamido ketones. …”
Get full text
Article -
387
Catalytic Pyrolysis of Low Density Polyethylene Using Cetyltrimethyl Ammonium Encapsulated Monovacant Keggin Units C19H42N4H3(PW11O39) and ZSM-5
Published 2016-01-01“…The effect of the catalysts on the pyrolysis of commercial low density polyethylene (LDPE) has been studied in a batch reactor. …”
Get full text
Article -
388
Fabrication of Si3N4 Nanocrystals and Nanowires Using PECVD
Published 2010-01-01“…With Fe catalyst, Si3N4 nanowires were developed, indicating that Fe catalyst played a role for Si3N4 molecules directionally depositing into strings. …”
Get full text
Article -
389
Synthesis and Optimization of 2,5-Dihydroxyterephthalic Acid in a Slurry Reactor
Published 2024-01-01“…Using a slurry reactor, a disodium salt of hydroquinone (DSH) is contacted by carbon dioxide gas in the presence of sodium acetate as a catalyst. A fractional factorial design is used to screen four parameters including reactor pressure, temperature, catalyst-to-DSH molar ratio, and reaction time. …”
Get full text
Article -
390
Influences of Different Preparation Conditions on Catalytic Activity of Ag2O-Co3O4/γ-Al2O3 for Hydrogenation of Coal Pyrolysis
Published 2014-01-01“…A series of catalysts of Ag2O-Co3O4/γ-Al2O3 was prepared by equivalent volume impregnation method. …”
Get full text
Article -
391
Redox-mediated reverse water gas shift integrated with ammonia cracking over Ni/La0.75Sr0.25Cr0.5Mn0.5O3−δ
Published 2025-05-01“…We investigate the role of La0.75Sr0.25Cr0.5Mn0.5O3−δ (LSCM) in the redox-mediated RWGS, combined with a stabilized Ni catalyst to impart NH3 cracking functionality. The mixture of LSCM and Ni catalyst at a weight ratio of 10:1 increases the NH3 cracking activity fivefold compared to using only LSCM. …”
Get full text
Article -
392
Boundary Layer of Photon Absorption Applied to Heterogeneous Photocatalytic Solar Flat Plate Reactor Design
Published 2014-01-01“…The radiation field and the boundary layer thickness of photon absorption were simulated with absorption and dispersion effects of catalysts in water at different catalyst loadings. …”
Get full text
Article -
393
Pilot-Scale Removal of Trace Steroid Hormones and Pharmaceuticals and Personal Care Products from Municipal Wastewater Using a Heterogeneous Fenton’s Catalytic Process
Published 2013-01-01“…There was a <4% loss in iron content on the catalyst over the study period, suggesting negligible leaching of the catalyst.…”
Get full text
Article -
394
Characterization of Pt-Pd/C Electrocatalyst for Methanol Oxidation in Alkaline Medium
Published 2011-01-01“…The physicochemical characterization of the catalyst was done by SEM, XRD, and EDX. The electrochemical characterization of the Pt-Pd/C catalyst for methanol electro-oxidation was studied over a range of NaOH and methanol concentrations using cyclic voltammetry, quasisteady-state polarization, chronoamperometry, and electrochemical impedance spectroscopy. …”
Get full text
Article -
395
Nano-ZnO Catalyzed Multicomponent One-Pot Synthesis of Novel Spiro(indoline-pyranodioxine) Derivatives
Published 2014-01-01“…The mild reaction conditions and recyclability of the catalyst make it environmentally benign synthetic procedure.…”
Get full text
Article -
396
Sonocatalytic Degradation of Antibiotics Tetracycline by Mn-Modified Diatomite
Published 2017-01-01“…Mn-modified diatomite was prepared by wet impregnation and subsequent calcinations processes. It was used as catalyst for sonocatalytic degradation of antibiotics tetracycline. …”
Get full text
Article -
397
Calculation of Start-Up Time of Passive Catalytic Hydrogen Recombiner of Localization Safety System of a Nuclear Power Plant Equipped with VVER
Published 2022-02-01“…The problem is starting from a cold state since the activity of the cold catalyst is low, and the thrust is not observed until the catalyst is heated and a column of warm gas is formed inside the device. …”
Get full text
Article -
398
Development of Cutaneous Bioadhesive Ureasil-Polyether Hybrid Films
Published 2015-01-01“…The objective of this work was to study the influence of the use of an acid catalyst (hydrochloric acid) and a basic catalyst (ammonium fluoride) in the hydrolysis and condensation reactions on the time formation and bioadhesion of ureasil-polyether films. …”
Get full text
Article -
399
New Approach of the Oxidant Peroxo Method (OPM) Route to Obtain Ti(OH)4 Nanoparticles with High Photocatalytic Activity under Visible Radiation
Published 2018-01-01“…In addition, the catalyst presented a great potential for the reduction of CO2 under ultraviolet (UV) radiation when compared to P25, which is a classic catalyst used in photocatalytic processes. …”
Get full text
Article -
400
Effect of Catalytic Pyrolysis Conditions Using Pulse Current Heating Method on Pyrolysis Products of Wood Biomass
Published 2014-01-01“…The influence of catalysts on the compositions of char and pyrolysis oil obtained by pyrolysis of wood biomass with pulse current heating was studied. …”
Get full text
Article