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    Wyświetlanie 1-4 z 4
    Tytuł:
    Biopaliwa ciekłe
    Liquid biofuel
    Autorzy:
    Nazimek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/313894.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    biopaliwa
    proces MTG
    proces ETG
    katalizator zeolitowy
    biofuel
    MTG process
    ETG process
    zeolite catalyst
    Opis:
    W pracy przedstawiono wyniki badań nad reakcją sprzęgania etanolu do wyższych węglowodorów ETG (etanol to gasoline), który jest adaptacją technologii MTG (metanol to gasoline). Opisano typ katalizatora zeolitowego dotowanego miedzią pozwalającego na osiąganie wysokich konwersji alkoholu etylowego w kierunku eterów oraz innych wyższych węglowodorów w tym izo i n-parafin. Zbadano i opisano wpływ ciśnienia na selektywność procesu sprzęgania.
    This paper presents results which were obtained for the new coupling reaction of ethanol towards higher hydrocarbons ETG (ethanol to gasoline) which base on the MTG (methanol to gasoline) reaction. The effect of copper added in to zeolite catalyst on the selectivity towards ethers, iso- and n-alkanes and activation energy of ETG reaction has been studied. The present paper reports on the effect of total pressure on the selectivity of the ETG reaction.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2012, 13, 10; 235-240
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on extraction of pollutant free flammable fuel from contaminated automobile waste lube oil
    Autorzy:
    Thanikachalam, J.
    Karthikeyan, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/368806.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    waste lube oil
    autoclaving
    zeolite catalyst
    Ni nano catalyst
    flammable fuel
    olej smarowy
    olej odpadowy
    autoklawizacja
    katalizator zeolitowy
    Opis:
    Purpose: of this paper is to investigate the reusability of contaminated waste lubricant oil as flammable fuel by thermal and catalytic cracking process followed by distillation. It also includes the study of using Zeolite and Nickel nano particles as catalyst and its influence catalytic cracking. Design/methodology/approach: A conventional sterilization technique called Autoclaving method, uses high-pressure steam to separate water and other solid waste from the lube oil. It is followed by thermal cracking which breaks the molecular chains and decompose the waste lube oil. The autoclaving process works by the concept that the boiling point of water (or steam) increases when it is under pressure. Findings: Now a days, Industrial and Automobile waste lubricating oils are giving big threat ecology while burning and disposing on bare land. Furthermore, they discharged into the open environment which might make destructive sicknesses to ecology. In water, oil is a visible pollutant, floating as a scum on the surface. Moreover, there is a gradual rise in fuel requirement across the globe, and the consumption of oil assets have driven the researchers to find elective power for internal combustion engines. By the way, diminishing of fossil sources, growing of demand and cost of petroleum based fuels and its environmental hazards as a result of burning or disposing on land have encouraged to investigate possibility of recycling of waste engine oil. Research limitations/implications: A series of process such as filtration, cracking followed by distillation needs expensive experimental setup and regular maintenance as the extracted flammable oil fuel possess significant range of dynamic viscosity values. As all real fluids has its own viscosity, in near future, an investigation is about to do on its behaviour on blending with other flammable fluids. Practical implications: Although the result of this investigation conforming its flammable characteristic of the extracted fuel, the quantity of pollutant free flammable fuel from waste contaminated lube oil being extracted is significant, the cost of catalyst is considerably more, as it plays the most vital part in cracking. This effort likely also reduces foreign exchange, reduces greenhouse emissions and enhances regional development especially in developing countries. Originality/value: The novelty of the work is to prepare pollutant free flammable fuel from waste Lube oil by catalytic cracking process. Here Zoelite and Nickel nanoparticles are used as catalyst which breaks the long-chain molecules of the high boiling hydrocarbon liquids into much shorter molecules.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2020, 100, 2; 78-84
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of the synthetic zeolite modification on its physicochemical and catalytic properties in the preparation of the catalysts effectively removing sulphur dioxide from exhaust gases
    Autorzy:
    Marcewicz-Kuba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/777847.pdf
    Data publikacji:
    2016
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    catalyst
    synthetic zeolite
    desulphurisation
    coal burning
    Opis:
    This work presents the research results of the influence of modification deSONOx type catalyst of the sulfur dioxide emissions in the process of the hard coal combustion. The addition of zeolite catalysts modified by transition metal ions: V, Mg, activated by zinc sorbent with or without graphite addition caused the deeper burning of coal grains. The addition of the deSOx catalysts to the coal resulted in lowered sulphur dioxide emission. The addition of unmodified zeolite to coal during combustion reduced sulphur dioxide emission at about 5%. The modification of the support by both V and Mg reduced the amount of sulphur dioxide significantly. The obtained results of SO2 removal from exhaust gases were from 34.5% for Sip/Mg to 68.3% for Sip/V.
    Źródło:
    Polish Journal of Chemical Technology; 2016, 18, 2; 40-45
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of a hard coal type on the degree of sulphur dioxide removal
    Autorzy:
    Marcewicz-Kuba, A.
    Olszewska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/778200.pdf
    Data publikacji:
    2007
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    węgiel kamienny
    montmorylonit
    zeolity
    DESONOX
    katalizator
    dwutlenek siarki
    hard coal
    montmorillonite
    zeolite
    catalyst
    sulphur dioxide
    Opis:
    In this paper the authors have studied the properties of zeolite and montmorillonite doped with the nickel and cobalt cations in the removal of SO2 from the combustion gases process based on the DESONOX method. Burning coal from the hard coal from the Silesian Coal Basin mine "Julian" and the Lubelskie Coal Basin mine ,,Bogdanka" with supports only - did not show any reduction of the SO2 emission in the combustion gases.
    Źródło:
    Polish Journal of Chemical Technology; 2007, 9, 3; 127-129
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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