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23 results

  1. AGRICULTURE, FORESTRY AND FISHERIES · INDUSTRY|chemistry · INDUSTRY|mechanical engineering · INDUSTRY|electronics and electrical engineering

    #628066

    IATE #1423963
    catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytisch
    de
    catalytic
    en
    catalytique
    fr
    Definition se dit des substances faisant varier la vitesse d'une réaction;se dit aussi de telles réactions Reference UIIG,Dic Indus Gaz,1982;Duval,Dic chimie
  2. INDUSTRY|chemistry

    #622575

    IATE #1216864
    imoibriú catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytische Reaktion
    de
    catalytic action
    en
    Definition chemical reaction between a catalyst and a reactant, forming chemical intermediates that are able to react more readily with each other or with another reactant, to form the desired end product Reference "COM-EN, based on: Brittannica Academic Edition > catalyst. http://www.britannica.com/EBchecked/topic/99128/catalyst [4.4.2013]"
    Comment During the reaction between the chemical intermediates and the reactants, the catalyst is regenerated. The modes of reactions between the catalysts and the reactants vary widely and in solid catalysts are often complex. Typical of these reactions are acid–base reactions, oxidation–reduction reactions, formation of coordination complexes, and formation of free radicals. With solid catalysts the reaction mechanism is strongly influenced by surface properties and electronic or crystal structures. Certain solid catalysts, called polyfunctional catalysts, are capable of more than one mode of interaction with the reactants; bifunctional catalysts are used extensively for reforming reactions in the petroleum industry.
    réaction catalytique | action catalytique
    fr
  3. ENVIRONMENT|deterioration of the environment|pollution · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|technical regulations · INDUSTRY|mechanical engineering

    #621727

    IATE #1184083
    catalaíoch téite Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    beheizter Katalysator
    de
    heated catalyst | catalytic converted: heated catalyst
    en
    Definition catalytic converter system that utilises heating elements to bring the catalyst to operating temperature on cold starts, thereby reducing cold start emissions Reference "COM-EN, based on:Emintec catalysts an particulate filters > Heated catalysts, the solution to future emission problems. Press Release, September 2011. http://www.emitec.com/fileadmin/user_upload/Presse/Presseinformationen/201109_03_E_IAA_Heated_Catalyst.pdf [30.1.2015]"
    catalyseur chauffé
    fr
    Definition catalyseur amené électriquement à la température de service nécessaire afin de minimiser les émissions lors du démarrage à froid Reference "COM-FR d'après: Site d'Emitec, EMICAT®: le catalyseur métallique chauffé électriquement, http://www.emitec.com/fr/technologie/les-catalyseurs/emicat/ [18.8.2015]"
  4. ENVIRONMENT|deterioration of the environment|pollution · SCIENCE|natural and applied sciences|applied sciences

    #600704

    IATE #45523
    tiontaire catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Líon na dtiontairí catalaíocha agus na n-eilimintí (tabhair an fhaisnéis anseo thíos le haghaidh gach aonaid leithligh)' Reference "Seasamh (AE) Uimh. 3/2014 maidir le leibhéal fuaime mhótarfheithiclí agus córais tostaigh athchurtha, ag leasú na Treorach 2007/46/CE agus lena n-aisghairtear Treoir 70/157/CEE Glactha ag an gComhairle an 20 Feabhra 2014, CELEX:52014AG0003/GA"
    Definition feiste frith-thruailleán, a fheidhmíonn trí dhromchlaí platanaim nó pallaidiam a nochtadh do na gáis sceite, rud a luasghéaraíonn nó a chatalaíonn imoibrithe ar na hidreacarbóin, na comhdhúile sulfair is eile chun a nimhiúlacht a laghdú Reference Fiontar DCU, bunaithe ar: ‘tiontaire catalaíoch’. Fréamh an Eolais, Coiscéim, Baile Átha Cliath, 2011, lch. 664.
    Katalysator | Abgaskatalysator
    de
    catalytic converter
    en
    Definition vehicle emissions control device which converts toxic byproducts of combustion in the exhaust of an internal combustion engine to less toxic substances by way of catalysed chemical reactions Reference "Wikipedia > Catalytic converter. http://en.wikipedia.org/wiki/Catalytic_converter [16.10.2012]"
    pot catalytique | convertisseur catalytique | pot d'echappement a convertisseur catalytique | catalyseur
    fr
  5. ENERGY|oil industry

    #621296

    IATE #1165322
    cnagadh catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytischer Kracker | Cat-Cracker
    de
    catalytic cracker | cat cracker
    en
    Definition unit in which large hydrocarbon molecules are broken up into smaller and more useful bits (cracking) under the presence of a catalyst so that the cracking can be done in lower temperatures and pressures Reference "COM-EN, based on:Chemguide. Helping you to understand chemistry. Cracking alkanes http://www.chemguide.co.uk/organicprops/alkanes/cracking.html [5.12.2011]"
    unité de craquage catalytique | craqueur catalytique
    fr
  6. ENERGY|oil industry|oil industry · INDUSTRY|industrial structures and policy|industrial production · INDUSTRY|chemistry

    #648095

    IATE #3540821
    athghiniúint cnagtha catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalytic cracker regeneration
    en
    Definition process in which the catalyst used to crack hydrocrabons is restored to its full potential by being separated from the reaction stream and having the coke burnt off it Reference "COM-EN, based on:1) Klabunde, K. & Richards, R. Nanoscale materials in chemistry. John Wiley & Sons, 2009. http://books.google.com/books?id=ax4tJt1o6yUC&dq=%22catalyst+regeneration+unit%22&source=gbs_navlinks_s 2) Emerson Process Management > Fisher > Application Discussion. Continuous Catalyst Regeneration. http://www.documentation.emersonprocess.com/groups/publicreadonly/documents/webpage/ad129_ref.hcsp and3) Potapenko, O.V. et al., Effect of the AcidBase Properties of Additives for a CrackingCatalyst on the Sulfur Content in Liquid Products. Catalysts in Industry, 2011, Vol. 3, No. 2, pp. 151-156. Pleiades Publishing 2011. http://www.springerlink.com/content/l823w753l3k14693/ [10.1.2012]"
    Comment "See also: catalyst regeneration unit, IATE:3540533"
  7. ENERGY|oil industry · INDUSTRY|chemistry

    #622230

    IATE #1204113
    craiceáil chatalaíoch Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ieFaomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    katalytisches Kracken
    de
    catalytic cracking | cat cracking
    en
    Definition any petroleum refinery process in which the molecular structure of hydrocarbon compounds are broken down to convert heavy hydrocarbon feedstock into lighter fractions such as kerosene, gasoline, liquified petroleum gas (LPG), heating oil, and petrochemical feedstock Reference "COM-EN, based on:‘Cracking’, Encyclopedia of Earth http://www.eoearth.org/view/article/151525/ [2.9.2015]"
    Comment "See also:- fluid catalytic cracking (narrower) [ IATE:1661782 ]- hydrocracking (narrower) [ IATE:1155261 ] - catalytic reforming (related) [ IATE:1410720 ]"
    craquage catalytique | cracking catalytique
    fr
    Definition procédé de raffinage pétrolier par modification moléculaire d'une fraction du mélange sous l'action d'un catalyseur Reference "COM-FR d'après: 1. le Grand Robert de la langue française en ligne et 2. le dictionnaire Larousse en ligne, http://www.larousse.fr/dictionnaires/francais/craquage/20215 [4.9.2015]"
  8. INDUSTRY|chemistry

    #655028

    IATE #3567711
    catalaíoch imoibrithe leasaithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalaíoch leasaithe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Aushärtungsreaktionskatalysator | Aushärtungskatalysator
    de
    curing reaction catalyst | curing catalyst | catalytic curing agent
    en
    Definition compound that initiates and promotes self-condensation and polymerisation of a resin through epoxy-to-epoxy or epoxy-to-hydroxyl reactions, and does not itself serve as a direct cross-linking agent Reference "Council-EN, based on:- Patent US 3403130 A - Curing process for epoxy resins, https://www.google.com/patents/US3403130 [20.1.2016]- The Dow Chemical Company > Dow Answer Centre > Dow Epoxy - Catalytic Curing Agents (Answer ID 3870), http://dowac.custhelp.com/app/answers/detail/a_id/3870/~/dow-epoxy---catalytic-curing-agents [20.1.2016]"
  9. ENERGY|energy policy · INDUSTRY|industrial structures and policy|industrial production · INDUSTRY|chemistry

    #646628

    IATE #3530252
    díchiaradh catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalytic dewaxing
    en
    Definition high-temperature, high-pressure process in which a catalyst selectively cracks the wax molecules present in a base oil to light products, such as gas and naphtha Reference "Chevron Global Lubricants. The Advent of Modern Hydroprocessing. Machinery Lubrication (5/2003) http://www.machinerylubrication.com/Read/493/base-oil-technology [16.3.2011]"
    Comment Although this process is efficient, it is somewhat wasteful, as high-value wax is converted to lower value gas and light fuel. In hydroisomerization, the process is similar, but the wax is selectively converted (isomerized) into very high quality base oil. Both processes remove wax and therefore lower the pour point of the base oil, but hydroisomerization results in higher VI base oil and better yields.
  10. ENVIRONMENT|environmental policy|pollution control measures

    #660883

    IATE #3580716
    málascagaire catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalytic filter bag
    en
    Definition "bag filter [ IATE:1338477 ] made up of filter bags impregnated with a catalyst" Reference COM-Terminology Coordination, based on:
    Comment Filters of this kind have been used to reduce PCDD/F emissions as well as, in combination with a source of NH3 , to reduce NOX.
  11. ENERGY|oil industry · INDUSTRY|chemistry|special chemicals

    #653762

    IATE #3564499
    mínbhrus catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Katalysatorpartikel
    de
    catalytic fines | catalyst fines
    en
    Definition hard aluminium and silicon oxide particles added to the crude oil in refineries relying on catalytic cracking, to enhance low temperature fuel cracking Reference "The Motorship > Home > News > Fuels and oils > On-line measurement of catalytic fines in HFO systems http://www.motorship.com/news101/fuels-and-oils/on-line-measurement-of-catalytic-fines-in-hfo-systems [14.9.2015]"
    Comment They are recovered from the process and recycled. The recycling, however, is not 100% effective and a certain level of catalytic fines will always be present in the output product of a fluid catalytic cracker. This product is often referred to as heavy cycle oil (HCO) or slurry oil.
    fines de catalyseur
    fr
    Definition petites particules dures abrasives, en général, des silicates d'aluminium, qui jouent un rôle de catalyseur dans le craquage catalytique fluide Reference COM-FR sur la base de la définition anglaise [10.9.2015]
    Comment "Voir aussi craquage catalytique fluide [ IATE:1661782 ]"
  12. SCIENCE|natural and applied sciences|earth sciences · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|materials technology · ENVIRONMENT|environmental policy|pollution control measures|prevention of pollution

    #619850

    IATE #1117166
    ocsaídiú catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Context 'Barrfheabhsú an dearaidh agus oibriú an ocsaídithe chatalaíoch nó theirmigh chun ocsaídiú comhdhúl orgánach a chur chun cinn lena n-áirítear PCDD/F sna dramhghás, chun PCDD/F agus (athchruthú)cruthú a réamhtheachtaithe a chosc, chomh maith le giniúint na dtruailleán amhail NOX agus CO a laghdú.' Reference "Rialachán Cur Chun Feidhme (AE) 2021/392 maidir le faireachán agus tuairisciú a dhéanamh ar shonraí a bhaineann le hastaíochtaí CO2 ó ghluaisteáin paisinéirí agus ó fheithiclí tráchtála éadroma de bhun Rialachán (AE) 2019/631 ó Pharlaimint na hEorpa agus ón gComhairle agus lena n-aisghairtear Rialacháin Cur Chun Feidhme (AE) Uimh. 1014/2010, (AE) Uimh. 293/2012, (AE) 2017/1152 agus (AE) 2017/1153, CELEX:32021R0392/GA"
    iardhóchán catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytische Oxidation
    de
    Definition Verfahren zur Reinigung meist organisch belasteter Prozessluftströme bei geringer Temperatur Reference "Council-DE nach Delta Umwelt-Technik GmbH „Thermische Katalytische Oxidation” (14.7.2022)"
    catalytic oxidation
    en
    Definition process that oxidises a compound using a catalyst Reference "COM-EN, based on: Wikipedia > Catalytic oxidation (14.6.2022)"
    Comment "This process is similar to thermal post-combustion, with the difference being that the gas, after it has passed the flame, passes through a catalyst yet again. The catalyst ensures accelerated oxidation at lower temperatures: approximately 300 – 500 °C prior to the catalyst and typically 500 – 700 °C after the catalyst. New low temperature catalysts are able to operate at 200 – 250 °C."
    oxydation catalytique | postcombustion catalytique
    fr
    Definition procédé qui permet l'oxydation d'un composant grâce à la présence d'un catalyseur dans une chambre de combustion Reference "Conseil-FR, d'après - Décision d'exécution du 9 octobre 2014 établissant les conclusions sur les meilleures techniques disponibles (MTD), au titre de la directive 2010/75/UE du Parlement européen et du Conseil relative aux émissions industrielles, pour le raffinage de pétrole et de gaz - Décision d’exécution (UE) 2020/2009 du 22 juin 2020 établissant les meilleures techniques disponibles (MTD), au titre de la directive 2010/75/UE du Parlement européen et du Conseil relative aux émissions industrielles, pour le traitement de surface à l’aide de solvants organiques, y compris pour la préservation du bois et des produits dérivés du bois au moyen de produits chimiques "
    Comment Les températures de combustion utilisées pour l’oxydation catalytique sont beaucoup plus faibles que celles utilisées pour l'oxydation thermique et permettent donc de réaliser des économies d’énergie.
  13. ENVIRONMENT|environmental policy|pollution control measures|prevention of pollution · INDUSTRY

    #646780

    IATE #3531329
    aonad iardhócháin catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    gléasra iardhócháin catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytischer Nachbrenner | Anlage zur katalytischen Nachverbrennung | KNV-Anlage
    de
    Definition System zur Reinigung industrieller Abluftströme, bei dem die in der Abluft enthaltenen Schadstoffe – meist flüchtige organische Verbindungen – mit Hilfe von Katalysatoren bei moderaten Temperaturen nahezu vollständig oxidiert und in die unschädlichen Verbindungen Kohlendioxid und Wasser umgewandelt werden Reference "Council-DE nach TU Clausthal, Clausthaler Umwelttechnik-Forschungszentrum „Katalytische Nachverbrennung“ (14.7.2022)"
    catalytic post-combustion unit
    en
    Definition "unit used to clean industrial exhaust air or gas streams containing pollutants (mostly volatile organic compounds), which are almost completely oxidised at moderate temperatures with the aid of catalysts and converted into the harmless compounds carbon dioxide and water" Reference "Council-PT, based on: CUTEC Clausthal Research Center for Environmental Technologies > For Partners > Plant Engineering > Thermal Process Technology > Catalytic Afterburning (22.4.2022)"
    unité de postcombustion catalytique
    fr
    Definition "equipement qui permet de purifier les gaz industriels contenant des polluants (le plus souvent des COV) à température modérée grâce à l'utilisation d'un catalyseur" Reference "Conseil-FR d'après la fiche 1117166 (postcombustion catalytique)"
  14. INDUSTRY|chemistry

    #608368

    IATE #817243
    dí-ocsaídiú catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytische Reduktion
    de
    Comment MISC: aus EG-Wörterverzeichnis.
    catalytic reduction
    en
    Definition "reduction [ IATE:1505717 ] of a substance in presence of a reducing agent [ IATE:1423969 ] and a catalyst [ IATE:1421099 ]" Reference "COM-Terminology Coordination, based on:Eredzhep Menumerov, Robert A. Hughes, and Svetlana Neretina. Catalytic Reduction of 4-Nitrophenol: A Quantitative Assessment of the Role of Dissolved Oxygen in Determining the Induction Time. Nano Letters 2016 16 (12), 7791-7797. DOI: 10.1021/acs.nanolett.6b03991, http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b03991 [6.6.2017]"
    réduction catalytique
    fr
  16. ENERGY|oil industry · INDUSTRY|chemistry

    #627630

    IATE #1410720
    athfhoirmiú catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    katalytisches Reformieren
    de
    catalytic reforming
    en
    Definition process for upgrading low octane petroleum refinery naphthas distilled from crude oil into higher octane stocks suitable for blending into finished gasoline using a catalyst, usually paladium Reference "COM-Terminology Coordination, based on:European Commission. Joint Research Centre. Best Available Techniques (BAT). Reference Document for the Refining of Mineral Oil and Gas. 2015, http://eippcb.jrc.ec.europa.eu/reference/BREF/REF_BREF_022015.pdf [5.3.2015]"
    Comment "Reforming [ IATE:1407715 ] can also be done by exposing the materials to high temperatures and pressures (thermal reforming).COM-Terminology Coordination, based on:""reforming"". Encyclopaedia Britannica, https://www.britannica.com/technology/reforming [8.6.2017]See also: - catalytic cracking (related) [ IATE:1204113 ]- catalytic reformer [ IATE:1109714 ]"
    reformage catalytique | reforming catalytique
    fr
    Definition méthode de raffinage pour convertir les molécules naphténiques en molécules aromatiques ayant un indice d'octane élevé servant de base dans la fabrication des carburants automobiles Reference "Site d'Europétrole > ressources > lexique > reformage catalytique, http://www.euro-petrole.com/re_05_details_mot.php?idMot=36 [4.9.2015]"
  17. SCIENCE|natural and applied sciences|life sciences|biology · SCIENCE|natural and applied sciences|physical sciences|chemistry|biochemistry|enzyme

    #620738

    IATE #1147765
    ribisím Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    Ribozym
    de
    ribozyme | RNA enzyme | ribonucleic acid enzyme | catalytic RNA
    en
    Definition "RNA molecule that has the ability to catalyse specific biochemical reactions, including RNA splicing in gene expression, similar to the action of protein enzymes" Reference "Wikipedia > Ribozyme (27.5.2020)"
  18. ENVIRONMENT|environmental policy|pollution control measures

    #654791

    IATE #3567336
    ocsaídeoir catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    ocsaídeoir catalaíoch teirmeach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    catalytic thermal oxidiser | catalytic oxidiser | catalytic afterburner
    en
    Definition "combustion system where the decomposition is carried out on a metal catalyst surface at lower temperatures than in a standard thermal oxidiser, typically from 350 °C to 400 °C" Reference "COM-Terminology Coordination, based on: Gianluca Cusano, Miguel Rodrigo Gonzalo, Frank Farrell, Rainer Remus, Serge Roudier, Luis Delgado Sancho. 'Best Available Techniques (BAT) Reference Document for the main Non-Ferrous Metals Industries' (27.2.2023), EUR 28648, doi:10.2760/8224"
    Comment "See also:regenerative thermal oxidiser"
  19. ENERGY|oil industry

    #633913

    IATE #1661782
    leachtscoilteadh catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    FCC | katalytisches Wirbelschichtcracken
    de
    FCC | fluid catalytic cracking
    en
    Definition conversion process for upgrading heavy hydrocarbons, using heat and a catalyst to break larger hydrocarbon molecules into lighter molecules Reference "European Commission. Joint Research Centre. Best Available Techniques (BAT). Reference Document for the Refining of Mineral Oil and Gas. 2015, http://eippcb.jrc.ec.europa.eu/reference/BREF/REF_BREF_022015.pdf [13.3.2015]"
    Comment "The catalyst is a solid sand-like material that is made fluid by the hot vapour and liquid fed into the FCC (much as water makes sand into quicksand).See also:- catalytic cracking (broader) [ IATE:1204113 ]- hydrocracking (related) [ IATE:1155261 ]"
    craquage catalytique sur lit fluidisé | craquage catalytique en lit fluide | craquage catalytique fluide | craquage catalytique en lit fluidisé
    fr
    Definition procédé de craquage catalytique dans lequel le catalyseur se compose de particules si fines qu'il se comporte comme un liquide (fluide) et qui permet d'obtenir essentiellement des produits tels que des essences et du gazole Reference "COM-FR sur la base du glossaire de l'Union française des industries pétrolières (UFIP) > FAQ et documents > glossaire > craquage catalystique fluide, http://www.ufip.fr/glossaire [8.9.2015]"
    Comment "Voir aussi craquage catalytique [ IATE:1204113 ]"
  20. ENVIRONMENT|environmental policy|pollution control measures

    #627589

    IATE #1409316
    dí-ocsaídiú roghnaitheach catalaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    selektive katalytische Reduktion | SCR
    de
    SCR | selective catalytic reduction | selective catalyst reduction | selective catalytic converter reduction
    en
    Definition conversion of NOx pollutants into diatomic nitrogen (N2) and water (H2O) by adding a gaseous reduct to a stream of flue or exhaust gas Reference "COM-Terminology Coordination, based on:Addy Majewski. Selective Catalytic Reduction, https://www.dieselnet.com/tech/cat_scr.php [31.5.2017]"
    réduction catalytique sélective | RCS
    fr
    Definition technologie de post-traitement des gaz d’échappement en aval du moteur qui permet au convertisseur catalytique une réduction importante des émissions polluantes d'oxydes d'azote grâce à l'apport d'une solution d'urée Reference "COM-FR, d'après:Fleetguard, FAQ sur le fluide d'échappement diesel (FED), https://www.cumminsfiltration.com/pdfs/product_lit/americas_brochures/MB10033-FR.pdf [5.3.2015]"
    Comment "Voir aussi:- réduction non catalytique sélective [ IATE:137838 ]"