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*  Patent US5790934 - Apparatus for photocatalytic fluid purification - Google Patents
For example, the photocatalyst is susceptible to damage caused by dust particles, gases, including silicons and nitrogen oxides ... Closestool with clean water injector and photo catalytic bactericidal lamps. US20060123885 *. Dec 15, 2004. Jun 15, 2006. Yates ... The concentration of formaldehyde was 0.83 ppmv yielding a conversion of 65.0%. From these results, the efficiency of the ... The efficiency of a photocatalytic reactor can be modeled or calculated based on theoretical considerations of three elemental ...
  http://www.google.com/patents/US5790934?dq=7,237,634
*  Materials | Free Full-Text | Desorption of Furfural from Bimetallic Pt-Fe Oxides/Alumina Catalysts | HTML
The oxide nanoparticles on γ-Al2O3 support helped to stabilize the furfural molecule on the surface. ... imaging revealed the intimate connection between the iron and platinum oxide species on the alumina support. The mechanism of ... as well as alumina impregnated with iron and platinum oxides both individually and in combination, using thermogravimetric ... this is due to the Pt particles which block more pores than Fe oxide particles and a stronger interaction of Pt particles with ...
  http://mdpi.com/1996-1944/7/1/527/htm
*  Catalysts | Free Full-Text | Promotion of Ca-Co Bifunctional Catalyst/Sorbent with Yttrium for Hydrogen Production in Modified...
It showed about 95.8% methane conversion and 82.9% hydrogen yield at 700 °C and stable activity during 16 redox cycles. ... It could be stated that cobalt brings the small particles of calcium oxide close together and makes larger particles than ... and hydrogen production yield (. Y. H. 2. ) were calculated for evaluating the activity of catalyst/sorbents in the CLSMR ... Catalytic Activity of Ca-mCo. To achieve the optimal cobalt loading, Ca-mCo (m = 1.5, 2.3, 4.0, 9.0 and ∞) bifunctional ...
  http://www.mdpi.com/2073-4344/7/9/270/htm
*  Ethylenediaminetetraacetic acid - Wikipedia
In similar manner, nitrogen oxides are removed from gas streams using [Fe(edta)]2−. The oxidizing properties of [Fe(edta)]− are ... This route yields the sodium salt, which can be converted in a subsequent step into the acid forms: H2NCH2CH2NH2 + 4 CH2O + 4 ... Many complexes of EDTA4− adopt more complex structures due to either the formation of an additional bond to water, i.e. seven- ... This conversion is achieved by oxidizing the hydrogen sulfide to elemental sulfur, which is non-volatile: 2 [Fe(edta)]− + H2S ...
  https://en.wikipedia.org/wiki/Ethylenediaminetetraacetic_acid
*  Patent US4826804 - Catalyst for oligomerization process - Google Patents
Octane and total yield improvement in catalytic cracking. US4309280 *. Jul 18, 1980. Jan 5, 1982. Mobil Oil Corporation. ... and 593.0 grams of distilled water, to which was added 146.7 grams of a hydrated aluminum oxide (70.6 wt. % Al2 O3, 29.6 wt. % ... It can be employed as such as the formed particles or the formed particles can be bonded to each other directly or indirectly ... such as nitrogen, carbon dioxide; water (and/or steam); and hydrogen. The preferred diluents are paraffinic homologs of the ...
  http://www.google.com/patents/US4826804
*  ZEOLITE SSZ-57 - CHEVRON U.S.A. INC.
One example of such a process for the catalytic reduction of oxides of nitrogen in the presence of a zeolite is disclosed in U ... The calcined catalyst was pelletized in a Carver Press and crushed to yield particles with a 20/40 mesh size range. Sized ... It is preferable to limit the nitrogen level and the water content of the feed. ... active metal or metals is intended to encompass such metal or metals in the elemental state or in some form such as an oxide, ...
  http://www.sumobrain.com/patents/wipo/Zeolite-ssz-57/WO2003006365.html
*  US4814538A - Enhancing the reaction rate in high temperature, high space velocity catalytic conversion of methane to higher...
In a continuous catalytic process for the production of higher molecular weight hydrocarbons from methane in which a reaction ... the oxide and nitride may be converted in situ to the carbide which then functions as the catalytic species. ... Lube base oils with improved yield US20050145540A1 (en) * 2001-10-19. 2005-07-07. Chevron U.S.A. Inc.. Distillate fuel blends ... The catalyst particles range in size from 8 mesh to 12 mesh. About 10 cm3 of catalyst is charged to the reactor. The reactor is ...
  https://patents.google.com/patent/US4814538A/en
*  Hydrocarbon conversion with an acidic sulfur-free multimetallic catalytic composite - Patent # 3939059 - PatentGenius
... are present in the elemental metallic state or in a state which is reducible to the elemental metallic state under hydrocarbon ... A specific example of the type of hydrocarbon conversion process disclosed is a process for the catalytic reforming of a low- ... elemental basis, corresponding to about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 2 wt. % rhenium, about ... all of the platinum group component is present therein in the elemental metallic state, and substantially all of the cobalt and ...
  http://www.patentgenius.com/patent/3939059.html
*  Bimetallic nanosized solids with acid and redox properties for catalytic activation of C-C and C-H bonds - Chemical Science ...
Elemental analysis (CHNS) of the solid gives a sulfur-to-nitrogen ratio of 2. :. 1, that corresponds exactly to triflimide ... If so, the bridge should also be produced under an inert atmosphere provided that water is in the medium. Indeed, a 65% yield ... The material consists of metal (Fe3+, Cu2+, Yb3+ or Bi3+) μ-oxide triflimides on Ag nanoparticles (Ag NPs) concomitantly formed ... with the corresponding histogram for at least 5 different photos and 150 particles. The inset shows a scanning transmission ...
  http://pubs.rsc.org/en/content/articlehtml/2016/sc/c6sc03335k
*  Metals | Free Full-Text | Preparation of Vanadium Nitride Using a Thermally Processed Precursor with Coating Structure | HTML
However, the rapid flowing nitrogen could not be sufficiently heated, and the contact time with vanadium oxides was too short ... Microscopic observation and elemental analysis (SEM-EDS; SEM: Scanning electron microscope; EDS: Energy-dispersive X-Ray ... As the precipitation proceeded, APV particles grew gradually and coated carbon black completely, the typical coated structure ... as well as good catalytic activity. It can be widely used as iron and steel additive [1,2], electrode [3,4], catalyst [5,6], ...
  https://www.mdpi.com/2075-4701/7/9/360/htm
*  US7626063B2 - Propane utilization in direct hydrotreating of oils and/or fats - Google Patents
C10G3/44-Catalytic treatment characterised by the catalyst used * C10G3/45-Catalytic treatment characterised by the catalyst ... In one embodiment, the liquid yield is between about 0.75 to about 0.99, and in another embodiment, the liquid yield is between ... Enhanced solid oxide fuel cell systems US7285350B2 (en) * 2002-09-27. 2007-10-23. Questair Technologies Inc.. Enhanced solid ... denotes a reactor wherein a fluid feed can be contacted with solid particles in a manner such that the solid particles are at ...
  https://patents.google.com/patent/US7626063
*  DiVA - Søkeresultat
... water content, and resulting emission valuesof Carbon dioxide (CO2) and Nitrogen Oxides (NOx). Furthermore, Sweden has set ... and water. Aging the fuels with aged oilincreased particles, meanwhile the addition of water prevented particle production ... The maximum yields were separately obtained in a straight-forward conversion system only containing cellulose, water and the ... The reducibility of metal oxides is of great importance to their catalytic behavior. Herein, we combined ambient-pressure ...
  http://www.diva-portal.org/smash/resultList.jsf?dswid=-6003&searchType=SUBJECT&language=no&onlyFullText=false&af=%5B%5D&aq=%5B%5B%7B%22categoryId%22%3A%2211536%22%7D%5D%5D
*  Patent US20050271566 - Tungsten comprising nanomaterials and related nanotechnology - Google Patents
Tungsten Oxide Powders * [0094] Ammonium tungstate precursor was dissolved in a 50:50 water and isopropyl alcohol mix. This mix ... 1) particles with mean size less than 10 microns; and * (2) particles with aspect ratio between 1 and 1,000,000. * For example ... In other embodiments, mixing tungsten, tungsten oxide and excess iodine followed by reaction above 300 C. yields tungsten ... elemental, non-elemental, dispersed, composite, doped, undoped, spherical, non-spherical, surface functionalized, surface non- ...
  http://www.google.co.uk/patents/US20050271566
*  Cluster chemistry - Wikipedia
The clusters Ru3(CO)12 and Ir4(CO)12 catalyze the Water gas shift reaction, also catalyzed by iron oxide, and Rh6(CO)16 ... itself made by heating elemental potassium and lead at 350°C Tin particles are generated as K+Sn122− by laser evaporation from ... Nitrogen is reduced to ammonia at an Fe-Mo-S cluster at the heart of the enzyme nitrogenase. CO is oxidized to CO2 by the Fe-Ni ... The Fe-S clusters mainly serve as redox cofactors, but some have a catalytic function. In the area of bioinorganic chemistry, a ...
  https://en.wikipedia.org/wiki/Cluster_chemistry
*  Search Results - - 773 Results - Digital Library
This supported system displays catalytic properties different from those of supported Ru particles (2 nm), selectively ... as evidenced by elemental analysis, IR spectroscopy and EXAFS. Treatment of these surface species under H2 at 300 oC yields a ... chemisorbed oxygen or oxide formation during exposure to water vapor over an electrochemical cell in a UHV-electrochemistry ... The nitrogen plasma surface irradiation of Ru films at substrate bias voltage of -350 V showed an improved barrier performance ...
  https://digital.library.unt.edu/search/?q5=%22Ruthenium%22&t5=dc_subject&searchType=advanced
*  Patente US3937748 - Oxidative dehydrogenation using gel precipitated catalyst preparation - Google Patentes
The precipitate was aged for 40 minutes, filtered under vacuum and washed thoroughly with water until the wash water indicated ... polyethers such as the condensation products of ethylene oxide, propylene oxide and mixtures thereof with polyols such as ... The nitrogen was terminated and a feed of n-butenes for conversion to butadiene LHSV of 1.5 started. The results are in mole ... The amount of halogen, calculated as elemental halogen, may be as little as about 0.0001 or less mole of halogen per mole of ...
  http://www.google.es/patents/US3937748?dq=flatulence
*  Alternative Transport Fuels - Courtesy of AIP
Under combustion, methanol produces neither soot particles nor sulphur oxides. It also yields less nitrogen oxides than any ... Exhaust emissions from petrol-driven cars include, in addition to CO2 and water vapour, hydrocarbons, nitrogen oxides and CO. ... In older cars without catalytic converters, non-methane hydrocarbon, CO and nitrogen oxides in exhausts from CNG-fuelled cars ... as well as sulphur and nitrogen. Its elemental composition is fairly constant:. *Carbon -- 83 to 87% ...
  http://www.world-petroleum.org/technology/202-alternative-transport-fuels-courtesy-of-aip
*  Combustion - Wikipedia
Carbon will yield carbon dioxide, sulfur will yield sulfur dioxide, and iron will yield iron(III) oxide. Nitrogen is not ... nitrogen}{18.87{\ce {N2}}}}{\ce {->{\underset {carbon\ dioxide}{3CO2}}+{\underset {water}{4H2O}}}}+{\underset {nitrogen}{18.87 ... Further improvements are achievable by catalytic after-burning devices (such as catalytic converters) or by the simple partial ... The three elemental balance equations are: Carbon: a + b = 3 {\displaystyle a+b=3} Hydrogen: 2 c + 2 d = 8 {\displaystyle 2c+2d ...
  https://en.wikipedia.org/wiki/Combustion
*  Membranes | Free Full-Text | Performance of PES/LSMM-OGCN Photocatalytic Membrane for Phenol Removal: Effect of OGCN Loading |...
... the aggradation of OGCN particles formed a loose membrane layer and caused the low resistance of water permeation. A high ... However, 0.5 wt% of OGCN loading yielded a membrane with lower phenol rejection, even though it has the tear- and finger-like ... The sample was prepared by immersing the membrane sample in methanol first and then quickly soaking it in liquid nitrogen for ... Ganesh, B.M.; Isloor, A.M.; Ismail, A.F. Enhanced hydrophilicity and salt rejection study of graphene oxide-polysulfone mixed ...
  http://mdpi.com/2077-0375/8/3/42/htm
*  Patent US6869584 - Synthesis of nanometer-sized particles by reverse micelle mediated techniques - Google Patents
... water content to form reverse micelles. In particular, the particles formed are metal oxide particles. The particles can be ... of producing particles having a particle size of less than 100 nm and surface areas of at least 20 m2/g where the particles are ... The method involves synthesizing the particles within an emulsion having a 1-40% ... After aging for 8 h at room temperature, low water concentrations, below 5 wt %, were observed to yield agglomerated particles ...
  http://www.google.com/patents/US6869584?dq=5726663
*  Process for para-xylene production from light aliphatics - UOP LLC
Low-value mixed butanes are processed to obtain a high yield of high-purity para-xylene. Processing steps may comprise ... This paste may be calcined and then crushed to yield catalyst particles where the paste may be extruded or pelleted prior to ... The platinum-group metal component may exist within the final catalytic composite as a compound such as an oxide, sulfide, ... Once the coke has been removed and residual water evaporated, and the catalyst particles are in various states of oxidation, ...
  http://www.freepatentsonline.com/7439409.html
*  Trimetallic reforming catalyst - Patent # 4923595 - PatentGenius
When this catalytic composite is used in the reforming of hydrocarbons at low pressures, significant improvement in activity ... A novel trimetallic catalytic composite, a method of manufacture and process use thereof is disclosed. The composite comprises ... The resulting catalyst particles were analyzed and found to contain, on an elemental basis, about 0.375 wt. % platinum, about ... nitrogenous and water-yielding contaminants therefrom, and to saturate any olefins that maybe contained therein.. In a ...
  http://www.patentgenius.com/patent/4923595.html
*  Carbon nanotube - Wikipedia
Filamentous carbon Graphene oxide paper List of software for nanostructures modeling Molecular modelling Nanoflower Nitrogen- ... The CVD growth method is popular, as it yields high quantity and has a degree of control over diameter, length and morphology. ... NIST SRM 2483 is a soot of single-wall carbon nanotubes used as a reference material for elemental analysis, and was ... A substrate (quartz, silicon, stainless steel, etc.) is coated with a catalytic metal (Fe, Co, Ni) layer. Typically that layer ...
  https://en.wikipedia.org/wiki/Carbon_nanotube
*  E-SIS® | Solvay
Elemental Fluorine (F2) technical grade. The main applications for Elemental Fluorine (F2) and its mixture with Nitrogen (N2) ... Nitrogen fertilizers suffer from volatilization above ground as well as leaching into ground water that leading to significant ... Gadolinium oxides. Gadolinium is a light rare earth element, identified with the atomic number 64 and the symbol Gd on the ... nitrogen loss. They require innovative formulations based on urease or nitrification inhibitors to increase yields. ...
  https://www.solvay.com/en/products/brands/e-sis
*  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 ... Moreover, in FTIR spectrum of Gd2O2CO3·ZnO·CuO NC, the peak at 3420 cm−1 could be attributed to the O-H stretching of water ... It was also found that the initial photodegradation rate was high due to the availability of numerous active catalytic sites. ...
  https://link.springer.com/article/10.1007%2Fs42452-018-0012-0