Processes catalysis. Medical search. Frequent questions

Catalysts generally react with one or more reactants to form intermediates that subsequently give the final reaction product, in the process of regenerating the catalyst. (wikipedia.org)
[6] Estimates are that 90% of all commercially produced chemical products involve catalysts at some stage in the process of their manufacture. (wikipedia.org)
Metal oxides are ubiquitous in catalysis as supports for active species or as catalysts themselves. (nature.com)
This often concerns catalysts containing metals such as nickel and cobalt in HPC catalysis, or rare-earth elements such as lanthanides in FCC catalysis, whose stocks are ultimately finite. (bertweckhuysen.com)
The present Chapter is an overview of prospective catalysts and catalytic processes for valorization of plant biomass. (rsc.org)
Catalysis Research is an international peer-reviewed Open Access journal published quarterly online by LIDSEN Publishing Inc. This periodical is devoted to publishing high-quality papers that describe the most significant and cutting-edge research in all areas of catalysts and catalyzed reactions. (lidsen.com)
A major advance in the science of surface catalysis was the development of a method for determining the surface area of catalysts (and other materials) by measuring the multimolecular adsorption of nitrogen at liquid nitrogen temperatures or the adsorption of other gases close to their boiling points . (britannica.com)
First principles investigations of molecule-surface interactions, catalysts on solid surfaces, as well as multiscale simulations of heterogeneous catalysis involving mixed metal oxide surfaces. (lu.se)
These catalysts must be efficient, earth-abundant, and environmentally friendly so that the solar catalysis process may be used on a large scale. (lu.se)

Catalysis may be classified as either homogeneous , whose components are dispersed in the same phase (usually gaseous or liquid) as the reactant, or heterogeneous , whose components are not in the same phase. (wikipedia.org)
An example of heterogeneous catalysis is the reaction of oxygen and hydrogen on the surface of titanium dioxide (TiO 2 , or titania ) to produce water. (wikipedia.org)
An example of heterogeneous catalysis is the reaction of oxygen and hydrogen on the surface of titanium dioxide (TiO2, or titania) to produce water. (wikipedia.org)
As of 1 August, Prof. Eelco Vogt is appointed as Professor of Heterogeneous Catalysis for Refinery Processes in the Inorganic Chemistry and Catalysis research group. (bertweckhuysen.com)
Vogt has an excellent international reputation within his field, and is leading in the field of heterogeneous catalysis for process technology within the refinery. (bertweckhuysen.com)
finely divided metals, metal gauzes, metals incorporated into supporting matrices, and metallic films have all been used in modern heterogeneous catalysis. (britannica.com)
Heterogeneous nanoparticles that have already attracted interest in fields ranging from catalysis to biotechnology are typically made by chemical methods. (lu.se)
Combining on-line compositional monitoring with the unique, precursor-less pathways to create heterogeneous nanoparticles that aerosol technology enables, this thesis is a step toward more sustainable synthesis of tailored bimetallic nanostructures with applications in, for instance, catalysis, sensors, and electronics. (lu.se)

For more information on the efficiency of enzymatic catalysis, see the article on enzymes . (wikipedia.org)
It is an iterative process, similar to working on creating an effective enzymatic system, in order to find the perfect microorganism and the perfect process conditions. (lu.se)

France's solid history in catalysis continues today thanks to a young generation of talented scientists in all major fields of catalysis. (conference-service.com)

Surfaces and interfaces play a central role in a variety of modern technologies spanning from heterogenous catalysis, corrosion, electrochemical processes, printing, dyeing, and adhesion. (lu.se)

This question is addressed by the experts of the ProcessNet working committee Process Simulation, Process Synthesis and Knowledge Processing in their current position paper "Process Simulation - Fit for the Future? (dechema.de)
In this work, we present a process systems engineering framework that allows the integration of catalysis, process synthesis, and fuel property modelling enabling the systematic design of fuels with tailored properties and the biorefineries able to produce them. (princeton.edu)
This optimization framework is coupled with a fuel property model such that the decisions made at the process synthesis level are constrained by the desired fuel properties. (princeton.edu)
Here, aerosol technology has been used to realize these nanostructures, as such physical synthesis hold advantages in improved purity of the product, and reduced waste from the process. (lu.se)

Here we show that Earth-abundant, non-reducible zirconia catalyses the hydrogenolysis of polyolefins with activity rivalling that of precious metal nanoparticles. (nature.com)

This reference presents the emerging field of plasmonic catalysis in a comprehensive way. (wiley-vch.de)

and the process aspect, with a rich program focusing on reaction kinetics and reactors, the thermodynamics of equilibria and process simulation. (ifp-school.com)
The use of catalysis, kinetics, and in-situ separation methods to intensify sugar conversion and minimize the generation of waste by-products. (biosprint-project.eu)

Designed to meet the challenges of processing biomass for use as an alternative fuel, the Master's degree in Chemistry - option Sustainable Industrial Processes - with a focus on Catalysis and Processes - is offered by the Université de Lille and is co-accredited by the École Centrale de Lille and IFP School. (ifp-school.com)
Catalysis and Green Chemistry is a specialization for students on the Master's programme in Chemistry who are interested in energy and sustainability. (rug.nl)
It focuses on the development of green processes for synthetic chemistry. (rug.nl)
The Master's programme in Chemical Engineering offers two specializations: Biobased Products, and Catalysis and Green Chemistry. (rug.nl)
Catalysis and Green Chemistry focuses on the development of green processes for synthetic chemistry. (rug.nl)
This work has been reported at the Netherlands' catalysis and chemistry conference in 2017 (oral presentation), and published in ChemCatChem (10.1002/cctc.201701760). (europa.eu)

All these can reduce the negative environmental and economic impact of selective oxidation processes. (europa.eu)

Biotechnology for production of platform and speciality chemicals and biomaterials, biotechnological conversion of renewable feedstocks into value added products, novel enzymes for application in oxidation reactions, downstream processing of proteins and small molecules, in situ product recovery in bioprocesses, protein stabilization methods and mechanisms, etc. (lu.se)

The proposed processes with catalytic reaction routes can achieve effective control over functional groups in biomass and provide a facile approach to supply renewable high-value chemicals. (aiche.org)
ChemCatBio's process modeling teams from Los Alamos National Laboratory, National Renewable Energy Laboratory (NREL), and Pacific National Laboratory have extensive expertise in modeling complex, integrated biomass conversion processes, incorporating novel equipment designs, material balances, equipment sizing, heat integration, and physical property estimation. (chemcatbio.org)
Liquid-phase depolymerization of polysaccharides combined with dehydration, reduction, hydrogenolysis and oxidation in one-pot processes, as well as aqueous-phase reforming and biomass delignification, are discussed. (rsc.org)
In microbial catalysis, whole microorganisms (usually yeast or bacteria) are used to convert biomass into the desired product. (lu.se)

The results allowed the creation of a molecular activation model and give insights into a close coupling mechanism of catalysis and compartmentalization of an occasionally active enzyme. (uni-goettingen.de)

We have developed an effective process to produce the HMF from glucose by combining catalytic reactions and Simulated-Moving-Bed (SMB) separation. (aiche.org)

The standardised process aims to determine the performance of bioreactors, in particular single-use bioreactors, and to evaluate their suitability for microbial applications. (dechema.de)
Aims to develop new catalytic processes to unlock innovative chemical transformations. (ed.ac.uk)

The result documents very nicely how useful close cooperation between experiment and theory is for developing sustainable catalysis methods," emphasizes Gansäuer. (nanowerk.com)
The application of high throughput and machine learning methods to catalyst development, leading to more selective processes and efficient reactor designs that reduce energy consumption and downstream separation footprint. (biosprint-project.eu)
This supplement to the recommendations for process engineering characterisation ( 2nd edition, published December 2020 ) provides experimental methods for a further important parameter, the k L a(CO 2 ). (dechema.de)
These recommendations provide suitable experimental methods for the process engineering characterisation of single-use bioreactors and mixers. (dechema.de)

Catalysis is ubiquitous in chemical industry of all kinds. (wikipedia.org)

The second workshop on "Catalysis and Process Intensification for Sugars Biorefining" is part of the BioSPRINT Training education and capacity building programme. (biosprint-project.eu)

Another way of norbornene polymerization─vinyl-addition polymerization (VAP)─is a more thermodynamically favorable process and gives polymers with saturated and rigid main chains. (acs.org)

It follows from such considerations that whereas physical adsorptions, which parallel the ease of liquefaction of the adsorbed substance, occur spontaneously, chemisorption, which involves the making and breaking of chemical bonds, often requires activation energies (energy needed to initiate reactions) as do uncatalyzed chemical processes. (britannica.com)
By reducing the energy cost associated with specific reactions, plasma enables enhanced efficiency, making the processes more effective overall. (lu.se)

Our research group focuses on exploring the applications of plasmas in different industrial processes, such as combustion, reformation, catalysis, and more. (lu.se)

1. the metabolic process in which energy is liberated for use in work. (faqs.org)
Through genetic modification of the cell, metabolic engineering, evolutionary adaption, and/or optimization of the conditions for the process (such as temperature, nutrition, oxygenation, etc.), it is possible to control a microorganism to produce the precise product required from the available resources in an efficient manner. (lu.se)

TEA indicates that the process can produce HAH from fructose at a MSP of $1958/ton, showing its price potential to replace anthraquinone dye and bisphenol-A (BPA)-based polymer markets. (aiche.org)

MISIS Catalysis Lab is a joint research laboratory established by NUST MISIS together with G.K. Boreskov's Catalysis Institute of SB RAS (based in Novosibirsk). (misis.ru)

A seminar on DFT & kinetic modeling of the methanol to olefins process with Prof. Dr. Felix Studt from Institute of Catalysis Research and Technology on 12 October. (ukcatalysishub.co.uk)
This capability, based on detailed process modeling using steady-state and dynamic process simulation packages from Aspen Plus, allows the projection of scale-up and commercial impacts of lab-scale research without having to build actual chemical plants. (chemcatbio.org)
The rigor in our process modeling allows for a realistic projection of process behavior for any assumed or experimental catalyst performance. (chemcatbio.org)

optimization and improvement of classic industrial catalysis technologies, light metals metallurgy and chemical industry. (misis.ru)

Hot electron relaxation and transport in nanostructures involve a multitude of ultrafast processes whose interplay and relative importance are still not fully understood, but which are relevant for future applications in areas such as photo-catalysis and optoelectronics. (lu.se)

Because of his industrial background, Vogt will also continue to promote connections between industry and the catalysis groups at Utrecht University, especially now that chemical processes need to become more sustainable and naturally circular. (bertweckhuysen.com)

Data visualization is essential in understanding complex processes and data sets. (ed.ac.uk)
Fundamental studies of photoelectrochemical processes in complex materials, including photophysics and photochemistry of light-harvesting and light-emitting molecules, as well as energy and electron transfer processes in supramolecular systems and molecular-semiconductor hybrid nanomaterials. (lu.se)

The event is organised in collaboration with the IChemE Catalysis and Reaction Engineering Special Interest Group. (biosprint-project.eu)
To be efficient catalytically, a process must involve energies of activation for all the steps involved that, at their maxima, are less than those required for the uncatalyzed reaction. (britannica.com)
Acting in a reverse direction are minor constituents of the reacting system or unwanted products of the reaction, which by preferential adsorption on the reaction sites and resistance to removal give rise to poisons for the process. (britannica.com)
the process of an agent that affects a chemical or other reaction without being itself changed or affected. (faqs.org)

The newly published Roadmap of German Catalysis Research presents the role of catalysis for these topics. (dechema.de)

The methanol-to-olefins (MTO) process over the acidic zeolite H-SSZ-13 is investigated using periodic density functional theory (DFT) calculations corrected by higher level calculations (e.g. (ukcatalysishub.co.uk)
Sphingomyelinase is an acidic lysosomal hydrolase that catalyses the cleavage of sphingomyelin to phosphoryl choline and ceramide. (medscape.com)

In the era of energy transition, where cleaner emissions and reduced energy consumption are paramount, ensuring the efficiency of processes becomes crucial. (lu.se)

The DECHEMA position paper describes the effects of miniaturization, automation and digitization on laboratories and the development of biotechnological processes and products. (dechema.de)
9. The CCS is an intensive consultative process leading to the development of a document that provides a coherent and consistent basis, within WHO, to proceed with country work. (who.int)
Our results provide a framework for understanding the processes leading to tau aggregation in disease and for selecting possible tau forms as targets in the development of therapeutic interventions in Alzheimer's disease. (lu.se)
He is working on the development of two-step combined fermentation processes for the production of hydrogen and methane from lignocellulose. (lu.se)

As an interdisciplinary cross-sectional technology and a key scientific discipline, catalysis can make significant contributions to several of these goals. (dechema.de)
A new eco-friendly E-waste processing technology UWIN, combines the best of the above two. (catalysis-conferences.com)

The catalysis we have developed simply shifts this oxygen in the molecule, which creates the acetal. (nanowerk.com)
The final product can be made in oxygenated (aerobic) or oxygen-free (anaerobic) processes. (lu.se)
Using an oxygen-free process is also commonly referred to as fermentation. (lu.se)

such informal e-waste processing are prevailing in developing countries, yet rudimentary recycling techniques to burn the plastic from electronic goods leaving the valuable metals (melting down lead in open pots, or dissolving circuit boards in acid) lead to workers exposed to many toxic substances, groundwater contaminated, air and soil polluted. (catalysis-conferences.com)

Organisms10

Chemicals and Drugs151

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Phenomena and Processes57

Disciplines and Occupations3

Information Science4

Health Care1

Catalysts9

Heterogeneous8

Enzymatic2

Fields of catalysis1

Heterogenous catalysis1

Synthesis4

Nanoparticles1

Plasmonic catalysis1

Kinetics2

Chemistry6

Oxidation processes1

Enzymes1

Biomass4

Enzyme1

Catalytic reactions1

Aims2

Methods4

Ubiquitous1

Biorefining1

Polymers1

Reactions2

Combustion1

Metabolic2

Polymer1

Novosibirsk1

Modeling3

Optimization1

Nanostructures1

Chemical processes1

Complex2

Reaction4

Research1

Acidic2

Efficiency1

Development4

Technology2

Oxygen3

Metals1