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*  A facile self-template and carbonization strategy to fabricate nickel nanoparticle supporting N-doped carbon microtubes -...
Catalytic reduction of 4-nitrophenol. The catalytic hydrogenation reaction of 4-nitrophenols was chosen as the model reaction ... thus it is favorable for the nucleation of fine metal catalyst particles. Recent studies demonstrated that nitrogen atoms in ... the Ni NPs on the surface could be easily oxidized to form Ni oxide and hydroxide when exposed to air in the presence of water. ... The MoO3@PPy composites were synthesized through in situ oxidative polymerization according to a previous report with minor ...
  http://pubs.rsc.org/en/content/articlehtml/2018/qi/c8qi00039e
*  Special features of TiO2 PCO technology
When sprayed on surfaces and objects it acts as a catalyst in a chemical reaction . It reacts on Photo Catalytic effects -. in ... Solas Shield PCO actively removes environmental pollution substances, such as NOx (nitrogen oxide) which is atmosphere gas from ... WATER TREATMENT. Solas Shield PCO causes detrimental damage to organic matter such as post disinfection organic chlorine ... Our Solas Shield PCO has the world's smallest particles at 2~3nm2 and is totally transparent, it is also not visible to the ...
  http://selfclean-surfacetreatments.co.uk/features.html
*  US5071814A - Process for producing molybdenum bismuth-containing metal oxide catalyst - Google Patents
A process for producing a molybdenum bismuth-containing metal oxide catalyst comprising: mixing (I) a metal element-containing ... The reaction pressure used is in a range of atmospheric pressure to 3 kg/cm2 G. The feed gas used may be diluted with nitrogen ... Catalytic process for the preparation of unsaturated carboxylic acids US4000088A (en) 1976-12-28. Oxidation catalyst for the ... The resulting fine particles were heated at 250° C., then calcined at 400° C. for 2.5 hours, and finally calcined at 620° C. ...
  https://patents.google.com/patent/US5071814A/en
*  Catalysts | Free Full-Text | Oxidation Catalysts for Elemental Mercury in Flue Gases-A Review | HTML
Selective catalytic reduction (SCR), noble metal and transition metal oxide based catalysts have been investigated at both the ... A review article published in 2006 covers the progress in the elemental mercury (Hgel) catalytic oxidation area. This paper ... The removal of mercury from flue gases in scrubbers is greatly facilitated if the mercury is present as water-soluble oxidized ... Water vapor as well as oxygen in the flue gases influenced, to a certain extent, the Hgel oxidation by the Fe2O3 nano-particles ...
  http://www.mdpi.com/2073-4344/2/1/139/htm
*  Photocatalytic activity of Gd2O2CO3·ZnO·CuO nanocomposite used for the degradation of phenanthrene | SpringerLink
Multimetal oxides nanocomposite photocatalysts based on Gd2O2CO3·ZnO·CuO were prepared by a co-precipitation method and ... 5e-f, the multimetal oxide NC (i.e., Gd2O2CO3·ZnO·CuO) produced nanometric particles of various sizes. Based on these ... 11, a reaction rate constant \(K_{app}\) of 0.003 m−1 was obtained for CuO under visible light, while the Cu-CuO/ZnO composite ... Xu X, Ye Q, Tang T, Wang D (2008) Hg0 oxidative absorption by K2S2O8 solution catalyzed by Ag+ and Cu2+. J Hazard Mater 158:410 ...
  https://link.springer.com/article/10.1007%2Fs42452-018-0012-0
*  Catalysts | November 2017 - Browse Articles
Open AccessArticle Consideration of the Role of Plasma in a Plasma-Coupled Selective Catalytic Reduction of Nitrogen Oxides ... Also to reduce water production, a water permselective membrane was assisted in each reactor to remove water from the reaction ... titania and copper oxides). The photocatalytic performance of copper-modified titania is discussed for oxidative reaction ... The results show that particles with lower molecular mass are hydrolyzed faster than those with higher masses, and that the ...
  http://www.mdpi.com/2073-4344/7/11
*  US4608357A - Catalytic cracking with mullite composition promoted combustion of carbon monoxide - Google Patents
... by leaching sufficient silica from shaped particles of calcined clay with caustic solution to impart porosity to the particles ... particularly in catalytic cracking units, especially FCC units. The improved products of the invention comprise one or more ... whereby the support particles consist essentially of mullite crystals. ... Catalytic conversion of carbon monoxide, hydrocarbons and oxides of nitrogen US4426319A (en) * 1981-03-09. 1984-01-17. ...
  https://patents.google.com/patent/US4608357A/en
*  Molecular heterogeneous catalysts derived from bipyridine-based organosilica nanotubes for C-H bond activation - Chemical...
After the reaction, IrCp*-BPy0.3-NT was reused for the next run and the solid catalyst retained high catalytic activity (Fig. ... suggesting no formation of iridium oxide particles (Fig. S41†). Furthermore, the framework composed of bipyridine and benzene ... S40†), which was also found during the water oxidation reaction catalyzed by [IrCp*Cl(bpy)]+ complex.23 The EDX analysis ... was achieved and the solid catalyst was filtered off from the reaction mixture under a nitrogen atmosphere; the remaining ...
  http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc00713b
*  Metabolic pathways for the whole community | BMC Genomics | Full Text
... with nitric oxide reductase and nitrous oxide reductase encoding genes enriched on particles [36]. The extent to which ... Taxonomic and functional breakdown of nitrogen cycling pathways. (a) Nitrogen cycling pathways and reactions assigned by ... A similar problem occurs when a regulatory protein is used to provide evidence that a pathway exists even when catalytic ... Indeed, splitting the proverbial "reaction arrows" for each step in a given metabolic pathway into taxonomic bins provides a ...
  https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-15-619
*  Synthesis of carbon nanotubes - Wikipedia
Al2O3 to increase the surface area for higher yield of the catalytic reaction of the carbon feedstock with the metal particles ... The metal nanoparticles can also be produced by other ways, including reduction of oxides or oxides solid solutions. The ... A water-cooled surface may be included in the system to collect the nanotubes. This process was developed by Dr. Richard ... While unencapsulated catalyst metals may be readily removable by acid washing, encapsulated ones require oxidative treatment ...
  https://en.wikipedia.org/wiki/Synthesis_of_carbon_nanotubes
*  Patent US3900646 - Method of plating metal uniformly on and throughout porous structures - Google Patents
Catalytic oxidative dehydrogenation process and catalyst. US6072097 *. Sep 3, 1998. Jun 6, 2000. Regents Of The University Of ... can be usefully employed not only as an efficient heat exchanger but as a catalyst such as in the water gas shift reaction (CO- ... The chamber is purged for 1 hour and 10 minutes first with nitrogen and for the final l0 minutes with a mixture of nitrogen and ... beryllium oxide and zirconium oxide. In accordance with a preferred embodiment, it is desirable to use as ceramic materials ...
  http://www.google.com/patents/US3900646?dq=ascentive
*  Patent US5491120 - Oxidation catalyst with bulk ceria, a second bulk metal oxide, and platinum - Google Patents
Optionally, one of platinum or palladium metal may be dispersed on the catalytic material provided that the platinum, when used ... g and consisting essentially of a combination of bulk ceria and a bulk second metal oxide which may be one or more of titania, ... second metal oxide and optional activated alumina may be mixed together or provided as discrete layers. ... Oxidation catalyst compositions include a catalytic material having a BET surface area of at least about 10 m2 / ...
  http://www.google.com/patents/US5491120?dq=6004266
*  Multilayer catalyst, process for the preparation and use thereof in the partial oxidation of hydrocarbons in gaseous phase ...
5,877,377 relates to a catalyst consisting of a metal oxide incorporating palladium particles for the low temperature oxidative ... The catalytic activity measurement in the oxidative dehydrogenation of ethane at high flow-rates was effected on the catalyst ... Al.sub.2O.sub.3 in the form of particles having amicronic dimension in water. Lanthanum nitrate was added to this slurry in a ... did not show signs of deactivation even after numerous hours of reaction. The dispersion of Ptin very small particles on the ...
  http://www.patentgenius.com/patent/8158550.html
*  US7252756B2 - Preparation of components for refinery blending of transportation fuels - Google Patents
... fuel or components for refinery blending of transportation fuels having a reduced amount of sulfur and/or nitrogen-containing ... due to catalytic oxidation of sulfur and reaction with water to form a sulfate mist. This mist is collected as a portion of ... water. The reaction mixture was agitated vigorously and heating was initiated. Nitrogen was fed through an inlet to sweep the ... Selective liquid-liquid extraction of oxidative desulfurization reaction products US9441169B2 (en) 2013-03-15. 2016-09-13. ...
  https://patents.google.com/patent/US7252756B2/en
*  US4814538A - Enhancing the reaction rate in high temperature, high space velocity catalytic conversion of methane to higher...
... to C 4 hydrocarbon to the reaction gas such that said C 2 to C 4 hydrocarbon comprises 0.1 to 10 volume percent of the reaction ... of higher molecular weight hydrocarbons from methane in which a reaction gas containing methane is contacted in a reaction zone ... gas, said reaction conditions including a temperature greater than 1000° C. and a gas hourly space velocity of greater than ... In a continuous catalytic process for the production ... Direct catalytic oxidative carbonylation of lower alkanes to ...
  https://patents.google.com/patent/US4814538A/en
*  Publications | Neumann
de la Zerda J, Neumann R, Sasson Y (1986). A Study of the Hofmann Decomposition Reaction Under Phase Transfer Catalytic ... Neumann R, Miller H (1995). Alkene Oxidation in Water using Hydrophobic Silica Particles Derivitized with Polyoxometalates as ... OV Branytska; Ronny Neumann (2003). An efficient, catalytic, aerobic, oxidative iodination of arenes using the H5PV2Mo10O40 ... Oxide as Supports for Polyoxometalates in Catalytic Oxidation. Journal of Molecular Catalysis A: Chemical, 1999, 146 ,293-300 ...
  http://www.weizmann.ac.il/Organic_Chemistry/neumann/publications
*  US7718592B2 - Sodium percarbonate particles having a shell layer comprising thiosulfate - Google Patents
Detergents and cleaning agents which comprise such sodium percarbonate particles show a reduced oxidative attack on oxidation- ... Machine dishwashing agents in the form of tablets which comprise such sodium percarbonate particles and a corrosion protection ... Coated sodium percarbonate particles, having an inner shell layer which comprises at least one inorganic, hydrate-forming salt ... Hydrophobized oxides can be prepared, for example, by reaction of pyrogenic or precipitated oxides with organosilanes, ...
  https://patents.google.com/patent/US7718592?oq=5%2C960%2C411
*  Search - SAE International
The emission of carbon monoxide (CO), unburnt hydrocarbon (UHC), and oxides of nitrogen NOx with the three fuels were also ... Reaction influential factors, such as amount of alcohol, temperature for reaction, reaction time and amount of catalyst have ... Poor oxidative stability and cold flow properties restrict the use of biodiesel beyond current B20 blend levels (20% biodiesel ... One of the final processes during ethanol production involves distillation in order to minimize the water content. Using wet ...
  http://www.sae.org/search/?sort=relevance&sort-dir=desc&display=list&taxonomy=%28%22X2031%22%29
*  US20050107481A1 - Methanol and fuel alcohol production for an oxygenate to olefin reaction system - Google Patents
The methanol and at least a portion of the fuel alcohol are directed to an oxygenate to olefin reaction system for conversion ... The most preferred diluents are water and nitrogen, with water being particularly preferred. In other embodiments, the ... The catalyst used in the step of catalytic steam reforming comprises at least one active metal or metal oxide of Group 6 or ... This reaction occurs simultaneously with the oxidative conversion of the hydrocarbon in the feed to CO and H2 or syngas. The ...
  https://patents.google.com/patent/US20050107481A1/en
*  Sustainability | Free Full-Text | Sulfate Radical Technologies as Tertiary Treatment for the Removal of Emerging Contaminants...
The main degradation mechanism of AOPs is based on the reaction of hydroxyl radicals with dissolved organic matter. However, ... Water scarcity and water pollution is a worldwide problem and has driven research into eco-friendly and low-energy cost ... Synthesis of porous reduced graphene oxide as metal-free carbon for adsorption and catalytic oxidation of organics in water. J ... Nitrogen-CNT. Phenol. *. Nitrogen doping on carbon nanotube enhances the catalytic activity of 7.8 fold ...
  http://www.mdpi.com/2071-1050/9/9/1604/htm
*  US7138558B2 - Direct return of oxygenate recycle stream in olefin production process - Google Patents
The first stage is shown at the top of riser zone 26 wherein the mixture of ELAPO catalyst particles and OTO reaction product ... The first of these MTO processes is based on early German and American work with a catalytic conversion zone containing a ... This inert gas may be nitrogen, or preferably is the methane waste product of the demethanizer which removes methane from the ... Filler and binder materials include, for example, synthetic and naturally occurring substances such as metal oxides, clays, ...
  https://patents.google.com/patent/US7138558
*  US7626063B2 - Propane utilization in direct hydrotreating of oils and/or fats - Google Patents
... the solid particles are at least partly suspended within the reaction zone by the flow of the fluid feed through the reaction ... C10G3/44-Catalytic treatment characterised by the catalyst used * C10G3/45-Catalytic treatment characterised by the catalyst ... Enhanced solid oxide fuel cell systems US7285350B2 (en) * 2002-09-27. 2007-10-23. Questair Technologies Inc.. Enhanced solid ... The gases exiting steam reformer 30 may then be directed to a water gas shift reactor 32 via stream 34. In reactor 32, the ...
  https://patents.google.com/patent/US7626063
*  Antihyperlipidemic and Antioxidant Potential of Paeonia emodi Royle against High-Fat Diet Induced Oxidative Stress
The substrate for the catalytic reaction of GPx is H2O2, or organic peroxide ROOH. GPx decomposes peroxides to water (or ... Nitric oxide and nitrogen dioxide (. ) are two nitrogen free radicals. Oxygen and nitrogen free radicals can be converted to ... Lipoprotein particles carry lipophilic antioxidants, such as tocopherols and carotenoids. All of these interact with free ... Reaction was started by illuminating the reaction mixture with different concentrations of sample extract/standard for 90 ...
  https://www.hindawi.com/journals/isrn/2014/182362/
*  Co-N-doped MoO2 modified carbon felt cathode for removal of EDTA-Ni in electro-Fenton process, Environmental Science and...
Pd-catalytic in situ generation of H2O2 from H2 and O2 produced by water electrolysis for the efficient electro-Fenton ... Cobalt-nitrogen-doped ordered macro-/mesoporous carbon for highly efficient oxygen reduction reaction ... Low content cerium oxide nanoparticles on carbon for hydrogen peroxide electrosynthesis. Assumpção, MHMT; Moraes, A; Souza, ... Oxidative degradation and mineralization of the phenylurea herbicide fluometuron in aqueous media by the electro-Fenton process ...
  https://www.deepdyve.com/lp/springer_journal/co-n-doped-moo2-modified-carbon-felt-cathode-for-removal-of-edta-ni-in-msKXZnCkmC
*  Electrosynthesis and catalytic activity of polymer-nickel particles composite electrode materials
... after which the reaction was quenched by adding 5 mL of water and the resulting reaction mixture concentrated. The solid ... For this purpose nickel was precipitated in poly3 films coated onto carbon felt or indium tin oxide (ITO) electrodes, by ... Additional interactions between transition metal cations and nitrogen atoms have been assumed in the case of carboxylic acid- ... by potentiostatic oxidative electropolymerization at 0.85-0.90 V vs Ag,Ag+ 0.01 mol L-1.34,41 Polymerization experiments were ...
  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000800020&lng=pt&nrm=iso