• Metal nanoparticles have proven to be the excellent catalysts for inorganic synthesis, pollution treatments and fuel cell, due to their quantum effect, high surface-tovolume ratio and surface energy [ 14 - 16 ]. (omicsonline.org)
  • His main interests are the development of catalysts for the conversion of abundant renewable and alternative feedstocks to chemicals and fuels by a combination of controlled synthesis of materials, kinetics, and spectroscopic tools. (ucsb.edu)
  • Dr. Fujdala received his Ph.D. from the University of California, Berkeley and has extensive experience in nanocomposite material synthesis and heterogeneous catalysis. (ai-online.com)
  • Martin works on the development of molecular and nanoscale catalyst materials for application in organic synthesis and hydrogen/energy storage, with a focus on selective hydrogenation and dehydrogenation reactions. (rsc.org)
  • M. Selvaraj and C. S. Ha, "Highly Selective Synthesis of Enones from Benzylic Compounds over CrSBA-15," Catalysis Today, Vol. 175, No. 1, 2011, pp. 546-551. (scirp.org)
  • M. Selvaraj, D. W. Park, S. Kawi and I. Kim, "Selective Synthesis of Benzophenone over Two-Dimentional Mesostructured CrSBA-15," Applied Catalysis A: General, Vol. 415-416, 2012, pp. 17-21. (scirp.org)
  • Advanced Synthesis & Catalysis (ASC) is the leading primary journal in organic, organometallic, and applied chemistry. (wiley-vch.de)
  • The high impact of ASC can be attributed to the unique focus of the journal, which publishes exciting new results from academic and industrial labs on efficient, practical, and environmentally friendly organic synthesis. (wiley-vch.de)
  • Therefore, as a starting point it is crucial to understand the processes involved in the synthesis of the catalyst and especially the sulfurization/activation step. (iucr.org)
  • In Situ Neutron Scattering Study of the Structure Dynamics of the Ru/Ca2N:e- Catalyst in Ammonia Synthesis. (ornl.gov)
  • Generally, heterogeneous acid cata-lysts are more commonly used in fragrance synthesis as compared to heterogeneous base catalysts. (unair.ac.id)
  • Synthetic inorganic and organometallic chemistry: Synthesis of relevant species to catalysis and electrocatalysis, particularly for fuel production and utilization. (pnnl.gov)
  • Schüth, F. High-Throughput Screening under Demanding Conditions: Cu/ZnO Catalysts in High Pressure Methanol Synthesis as an Example. (mpg.de)
  • Several studies have been carried out on the production of biodiesel using different heterogeneous catalysts but this study has been able to demonstrate the prospect of utilizing South African class F fly ash as a raw material for zeolite synthesis subsequently applied as a solid base catalyst in the production of biodiesel. (nottingham.edu.cn)
  • The FA/Na-X and the ion exchanged FA/K-X were applied as catalysts in biodiesel synthesis via transesterification reactions. (nottingham.edu.cn)
  • A Review on the Recent Breakthrough Methods and Influential Parameters in the Biodiesel Synthesis and Purification," International Journal of Renewable Energy Development , vol. 11, no. 4, pp. 1012-1036, Nov. 2022. (undip.ac.id)
  • The types of feedstocks, catalysts, and operating conditions as the influential parameters in biodiesel synthesis are also discussed. (undip.ac.id)
  • Moreover, in the purification process, the effectiveness of purification depends on the type of catalyst applied in the synthesis process. (undip.ac.id)
  • Zabeti, M., Daud, W.M.A.W. and Aroua, M.K. (2009) Activity of Solid Catalysts for Biodiesel Production: A Review. (scirp.org)
  • Schüth, F. How to Design Diverse Libraries of Solid Catalysts? (mpg.de)
  • Development of molecular and solid catalysts for the direct low-temperature oxidation of methane. (rwth-aachen.de)
  • Lam, M.K., Lee, K.T. and Mohamed, A.R. (2010) Homogeneous, Heterogeneous and Enzymatic Catalysis for Transesterification of High Free Fatty Acid Oil (Waste Cooking Oil) to Biodiesel: A Review. (scirp.org)
  • The main disadvantages of the homogeneous acid catalyzed processes are as follows: 1) The separation and recovery of the dissolved acid catalysts from the liquid reaction mixture is difficult. (allindianpatents.com)
  • 3) The homogeneous acid catalysts also pose several other problems such as high toxicity, corrosion, spent acid disposal and use of more than the stoichiometric amount. (allindianpatents.com)
  • A special issue of Catalysts (ISSN 2073-4344). (mdpi.com)
  • In order to illustrate the interaction between CeO2 and Fe2O3 in catalyst, we examine the oxides of different Ce/Fe ratio. (ncl.edu.tw)
  • Cobalt- and nickel-promoted molybdenum sulfide catalysts supported on porous oxides, such as alumina, have been used since the early years of the previous century. (iucr.org)
  • The main technologies for methane conversion are based on solid and liquid catalysts such as metals, oxides and oxide-supported metals. (urfu.ru)
  • This paper focuses on the critical analysis of H/D isotope exchange studies of the methane activation mechanism over various metals, oxides, composites, and other catalysts, from the earlier studies to the recent advances in the field. (urfu.ru)
  • 2022. "Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines. (pnnl.gov)
  • International Journal of Renewable Energy Development , vol. 11, no. 4, 01 Nov. 2022, pp. 1012-1036 , https://doi.org/10.14710/ijred.2022.43147 . (undip.ac.id)
  • The Journal of Open Source Software 7 (71), 3960 (2022). (mpg.de)
  • ACS Catalysis 12 (4), 2233-2232 (2022). (mpg.de)
  • Heterogeneous catalysts based on supported metal nanoparticles are commonly used in many industrially relevant catalytic reactions. (eurekaselect.com)
  • Journal of energy chemistry, 2017. (ncl.edu.tw)
  • Focusing on the fields of quantum computational nanoscience, chemistry, materials science, and chemical engineering, Nanostellar utilizes Rational Catalyst Design, which combines computational approaches with targeted experiments, to accelerate the development of new materials. (ai-online.com)
  • B. M. Choudary, A. D. Prasad, V. Bhuma and V. Swapna, "Chromium-Pillared Clay as a Catalyst for Benzylic Oxidation and Oxidative Deprotection of Benzyl Ethers and Benzylamines: a Simple and Convenient Procedure," The Journal of Organic Chemistry, Vol. 57, No. 22, 1992, pp. 5841-5844. (scirp.org)
  • Dr. Appel's primary areas of expertise are thermochemical measurements, electrochemistry, catalyst design and synthetic chemistry, small molecule spectroscopy, and mass spectrometry. (pnnl.gov)
  • Journal of Physical Chemistry A 125, no. 30:6600-6610. (pnnl.gov)
  • 2020. "The H·/H- Redox Couple and Absolute Hydration Energy of H-." Journal of Physical Chemistry A 124, no. 29:6084-6095. (pnnl.gov)
  • Journal of Physical Chemistry B 2003 , 107 , 10552-10556. (mpg.de)
  • Open Journal of Inorganic Chemistry, 03 (01), 14-25. (uran.ua)
  • Porous Organic Polymers as Heterogeneous Catalysts for Visible Light-Induced Organic Transformations[J]. Chinese Journal of Organic Chemistry , 2020, 40(11): 3777-3793. (sioc-journal.cn)
  • If the interaction is too weak, the molecule will fail to bind to the catalyst and no reaction will take place. (wikipedia.org)
  • The principle can be shown graphically by plotting the reaction rate against a property such as the heat of adsorption of the reactant by the catalyst. (wikipedia.org)
  • The results show that the deoxygenation reaction has an onset temperature at about 400 °C with all the catalysts, and with a maximum at around 600 °C under the test conditions. (ncl.edu.tw)
  • The use of heterogeneous catalysts in the transesterification reaction of vegetable oils has getting emphasis in recent years, mainly by the alternative of obtaining clean fuel derived from renewable sources. (scirp.org)
  • Among them, hydrotalcite has shown potential as catalysts on this reaction due to their physicochemical properties, such as: thermal stability, porosity, specific surface area, memory effect, basicity, acidity and anion exchange capacity. (scirp.org)
  • Au and Pt Remain Unoxidized on a CeO2-Based Catalyst during the Water Gas Shift Reaction. (us.es)
  • However, determining active sites and true reaction intermediate species in heterogeneous catalysis remains a challenge. (ucsb.edu)
  • In this presentation, we will discuss current advances in our group in the use of combined in situ/operando spectroscopy and reaction kinetics (aka spectrokinetics) to assist in the analysis of active sites, reaction intermediates, their kinetic relevance and how this knowledge contributes to better understanding of heterogeneous catalysts. (ucsb.edu)
  • A high quality biodiesel with a yield of 83.53% was obtained at reaction conditions of methanol:oil ratio of 6:1, catalyst amount of 3% (w/w) of oil and reaction temperature of 65 °C after 8 h. (nottingham.edu.cn)
  • This is especially a problem at the forefront of catalysis research at which novel catalysts are developed and novel reaction systems are described from scratch. (uni-bayreuth.de)
  • Further, the process utilizes a active solid catalyst that can be reused repeatedly for the catalytic reaction. (allindianpatents.com)
  • The most cited articles from Catalysis Communications published since 2020, extracted from Scopus . (elsevier.com)
  • Z. Lounis, A. Riahi, F. Djafri and J. Muzart, "Chromium-Exchanged Zeolite (CrE-ZSM-5) as Catalyst for Alcohol Oxidation and Benzylic Oxidation with t-BuOOH," Applied Catalysis A: General, Vol. 309, No. 2, 2006, pp. 270-272. (scirp.org)
  • A novel faujasite zeolite material synthesized from South African class F fly ash and denoted as FA/Na-X was ion exchanged with potassium to obtain the South African class F fly ash based zeolite FA/K-X. This heterogeneous catalyst was used in the conversion of sunflower oil with methanol to yield fatty acid methyl esters. (nottingham.edu.cn)
  • Menon U, Rahman M, Khatib SJ, A critical literature review of the advances in methane dehydroaromatization over multifunctional metal-promoted zeolite catalysts, Appl. (urfu.ru)
  • Dr. Fujdala will describe the use of a Rational Catalyst Design process that tightly integrates both experimental and computational components to promote the efficient development of improved oxidation catalysts for treating diesel emissions. (ai-online.com)
  • International Journal of Pharmaceutics, 2023, 123086. (mierapetritou.com)
  • Catalysis Today 2023, 418, 114124. (mierapetritou.com)
  • Muzzio, F.., Optimal quantification of residence time distribution profiles from a quality assurance perspective , International Journal of Pharmaceutics 634, 2023, 122653. (mierapetritou.com)
  • Ierapetritou, M., A mathematical modeling approach for supply chain management under disruption and operational uncertainty AIChE Journal, 2023, 69, e18037. (mierapetritou.com)
  • The combination of Cu and Ni in bimetallic catalysts on ZrO 2 , leads to a more efficient HDO of stearic acid. (osti.gov)
  • H2-rich syngas production from biogas reforming: Overcoming coking and sintering using bimetallic Ni-based catalysts. (us.es)
  • These intrinsic optoelectronic properties make HOFs an attractive and unique class of photoactive and electroactive porous materials for catalysis, sensing, and biomedical applications. (eurekalert.org)
  • The recent applications of porous organic polymers (POPs) as heterogeneous catalysts for visible light-induced organic transformations are summarized. (sioc-journal.cn)
  • Aaron Appel is an organometallic chemist with a focus on basic energy research related to the production and use of fuels through catalysis and electrocatalysis. (pnnl.gov)
  • He is currently leading the molecular catalysis effort on CO 2 reduction and fuel utilization, and is also working as part of the Center for Molecular Electrocatalysis, an Energy Frontier Research Center. (pnnl.gov)
  • Hence, in this concept paper common pitfalls in carrying out and reporting catalytic experiments ranging from heterogeneous thermal catalysis to photo- and electrocatalysis are briefly summarized and solutions how to avoid these issues are presented. (uni-bayreuth.de)
  • Recent advances on gas-phase CO2 conversion: Catalysis design and chemical processes to close the carbon cycle. (us.es)
  • Heterogeneous catalysts are present in over 70% of industrial chemical processes. (ucsb.edu)
  • Fundamental thermodynamic studies of bond strengths: Determination of bond strengths using thermodynamic cycles through the study of equilibria and electrochemical processes, particularly as related to catalysis. (pnnl.gov)
  • Both the homogenous and heterogeneous catalyzed liquid phase processes for the preparation of aralkylated aromatic compounds are known in the prior art. (allindianpatents.com)
  • Heterogeneous acid catalyzed processes. (allindianpatents.com)
  • They also play an essential part in developing sustainable technologies for biomass conversion to chemicals and fuels and for environmental mitigation such as in automobile exhaust catalysts, conversion of greenhouse gases such as methane and carbon dioxide, and in recycling of waste plastics. (ucsb.edu)
  • Methane is a highly stable molecule, and the analysis of the catalytic activity of materials with respect to the C-H bond cleavage in methane is of paramount importance for the development of novel methane conversion catalysts. (urfu.ru)
  • One of the most promising methods for studying methane activation over a catalyst is H/D isotope exchange between the gas and condensed phases. (urfu.ru)
  • The existing theoretical and experimental approaches to study the H/D exchange between methane and a catalyst are discussed in the paper. (urfu.ru)
  • A critical analysis of the structure-composition-catalytic activity relationships of the catalysts with respect to methane activation is provided. (urfu.ru)
  • Upon hydrogenation of cyclic carbonates in the presence of a homogenous Ru-PNP catalyst, a 1 : 1 mixture of methanol and glycol is produced. (osti.gov)
  • 2021. "Computational Study of Triphosphine-Ligated Cu(I) Catalysts for Hydrogenation of CO2 to Formate. (pnnl.gov)
  • Second, although HOFs show great potential in heterogeneous catalysis, their nanoscale to microscale morphologies have not been systematically investigated. (eurekalert.org)
  • Nahar G, Dupont V, Hydrogen production from simple alkanes and oxygenated hydrocarbons over ceria-zirconia supported catalysts: Review, Renew. (urfu.ru)
  • In a single measurement, we are able to follow heterogeneous catalytic reactions temporally- and spatially resolved with all three optical techniques, which are additionally supported by Mass Spectrometry (MS). To validate the experimental setup, we perform two experiments studying CO oxidation on Pd(100) at 150 mbar and 910 mbar by ramping the sample temperature. (lu.se)
  • Advances in Catalysis. (wikipedia.org)
  • Designing of highly selective and high-temperature endurable RWGS heterogeneous catalysts: recent advances and the future directions. (ncl.edu.tw)
  • Simonetti, E. , Thim, G. and Cortez, G. (2014) Ca-Al Hydrotalcites as Catalysts for Methanolysis and Ethanolysis of Soybean Oil. (scirp.org)
  • Heteropoly acids and hydrotalcites type catalysts are widely used as heterogeneous acid and base catalysts, respectively. (unair.ac.id)
  • Ngamcharussrivichai, C., Totarat, P. and Bunyakiat, K. (2008) Ca and Zn Mixed Oxide as a Heterogeneous Base Catalyst for Transesterification of Palm Kernel Oil. (scirp.org)
  • By combining Polarization Modulated - InfraRed Reflection Absorption Spectroscopy (PM-IRRAS) with two dimensional-Surface Optical Reflectance (2D-SOR) and Planar Laser Induced Fluorescence (PLIF), we can simultaneously measure the adsorbed species on the catalyst surface, monitor the surface oxide formation across the catalyst surface and image the gas phase right above the catalyst surface, respectively. (lu.se)
  • New catalysts of Pt, PtNi, PtCo, and NiCo supported on Al 2 O 3 were developed for producing hydrogen by aqueous phase reforming (APR) of oxygenated hydrocarbons. (hindawi.com)
  • After 10 h on-stream, the catalysts prepared by UMC had better hydrogen yield and catalytic stability than common catalysts prepared by IWI. (hindawi.com)
  • Lal Sunder, Anisia K.S., Jhansi M., Kishore L., Kumar Anil: Development of heterogeneous catalyst by ionically bonding macrocyclic Zr-Zr complex to montmorillonite clay for depolymerization of polypropylene. (cas.cz)
  • Catalytic activities of the various types of heterogeneous acid and base catalysts in fragrances preparation, i.e. non-zeolitic, zeolitic, and mesoporous molecular sieves, have been reported. (unair.ac.id)
  • Journal of Molecular Catalysis A: Chemical 2007 , 265 , 15. (cas.cz)
  • Anisia K.S., Kumar A.: Oxidation of cyclohexane with molecular oxygen in presence of characterized macrocyclic heteronuclear FeCu complex catalyst ionically bonded to zirconium pillared montmorillonite clay. (cas.cz)
  • Living Journal of Computational Molecular Science 3 (1), 1-12 (2021). (mpg.de)
  • He is in the editorial board of the open access journal Catalysts and editor-in-chief of its Biomass Catalysis section. (ucsb.edu)
  • We present a combination of optical operando techniques that allow us to bridge the pressure gap in heterogeneous catalysis. (lu.se)
  • POPs possess rigid conjugated frameworks, relatively large surface areas, tunable porosity and typically insoluble in water or organic solvents, and thus ideal platforms for the development of heterogeneous catalysts. (sioc-journal.cn)
  • Through incorporating conjugated sensitizer units into the backbones or attaching the sensitizers to the backbone linkers, POPs can be developed as efficient heterogeneous photocatalysts for visible light-induced organic transformations. (sioc-journal.cn)
  • The Journal of Chemical Physics 155 (3), 039901 (2021). (mpg.de)
  • The Journal of Chemical Physics 154 (24), 244114 (2021). (mpg.de)
  • The figure on the right shows a volcano plot for the decomposition of formic acid using different transition metals as catalysts. (wikipedia.org)
  • List, B. Phosphoric Acid Based Heterodimers in Asymmetric Catalysis. (mpg.de)
  • This paper reviews various types of heterogeneous acid-base catalysts for fragrances preparation. (unair.ac.id)
  • X = halo, arylcarboxy, phenylsulfatoxy, hydroxy, alkoxy etc.) in a continuously functioning distillation apparatus in the presence of dissolved acid catalyst. (allindianpatents.com)
  • 2) The disposal of the used acid catalysts creates environmental pollution. (allindianpatents.com)
  • International Journal of Renewable Energy Development, 11 (4), 1012-1036. (undip.ac.id)
  • The Open Chemical Engineering Journal is an Open Access online journal, which publishes Research articles, Reviews and Letters in the field of chemical engineering, aims to provide the most complete and reliable source of information on current developments in the field. (openchemicalengineeringjournal.com)
  • Nanostellar's NS Gold(TM), the first advanced catalyst to use gold in combination with other precious metals to promote emissions reduction, was named as one of the most innovative products by R&D Magazine and Micro/Nano Newsletter in July 2007. (ai-online.com)
  • For the reduction of CO 2 and subsequent fuel utilization, the goal of the work is the design of new catalysts with specific emphasis on the use of bifunctional interactions and thermochemical considerations. (pnnl.gov)
  • Editors select a small number of articles recently published in the journal that they believe will be particularly interesting to readers, or important in the respective research area. (mdpi.com)
  • The aim is to provide a snapshot of some of the most exciting work published in the various research areas of the journal. (mdpi.com)
  • Make the best use of Scientific Research and information from our 700+ peer reviewed, Open Access Journals that operates with the help of 50,000+ Editorial Board Members and esteemed reviewers and 1000+ Scientific associations in Medical, Clinical, Pharmaceutical, Engineering, Technology and Management Fields. (omicsonline.org)
  • Modern Research in Catalysis , 3 , 117-127. (scirp.org)
  • Her current research group is focused on developing environmentally friendly ways to process bio-sourced molecules and materials, catalysis and sustainable polymers. (rsc.org)
  • The paper is withdrawn from "Modern Research in Catalysis" due to personal reasons from the corresponding author of this paper. (scirp.org)