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Wyszukujesz frazę "magnesium hydroxide" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Assesment of the usability of Mg(OH)2 obtained from the solution after sphalerite leaching for the winning of polyetylene composition
    Autorzy:
    Pielichowska, K.
    Żelazny, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/779482.pdf
    Data publikacji:
    2008
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    wodorotlenek magnezu
    polietylen
    magnesium hydroxide
    polyethylene
    Opis:
    In this work obtaining of magnesium hydroxide from the solutions obtained during magnesium removal from zinc concentrates is presented. The received product was used for the winning of composites from polyethylene (PE) using extrusion and injection methods. The obtained composites were tested in terms of thermal stability (TG, DTG) as well as combustibility (LOI and thermovision camera). The preliminary results indicate the beneficial effect of the decrease of PE quality by magnesium hydroxide obtained by means of solution purification and precipitation of Mg(OH)2 by means of soda lye.
    Źródło:
    Polish Journal of Chemical Technology; 2008, 10, 4; 37-39
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assesment of the usability of Mg(OH)2 obtained from the solution after sphalerite leaching for the winning of polyetylene composition
    Autorzy:
    Pielichowska, K.
    Żelazny, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/779212.pdf
    Data publikacji:
    2009
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    wodorotlenek magnezu
    polietylen
    magnesium hydroxide
    polyethylene
    Opis:
    In this work obtaining of magnesium hydroxide from the solutions obtained during magnesium removal from zinc concentrates is presented. The received product was used for the winning of composites from polyethylene (PE) using extrusion and injection methods. The obtained composites were tested in terms of thermal stability (TG, DTG) as well as combustibility (LOI and thermovision camera). The preliminary results indicate the beneficial effect of the decrease of PE quality by magnesium hydroxide obtained by means of solution purification and precipitation of Mg(OH)2 by means of soda lye.
    Źródło:
    Polish Journal of Chemical Technology; 2009, 11, 1; 34-36
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of reagents concentration on the efficiency of obtaining high-purity magnesium hydroxide
    Autorzy:
    Radomski, Piotr
    Jarosiński, Andrzej
    Wzorek, Zbigniew
    Nowak, Anna K.
    Powiązania:
    https://bibliotekanauki.pl/articles/778842.pdf
    Data publikacji:
    2020
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    magnesium hydroxide
    precipitation method
    inorganic flame retardants
    Opis:
    The work presents the impact of reagents concentration and the drying process on the efficiency of obtaining magnesium hydroxide and its specific surface area. Magnesium sulphate(VI) within the concentration range of 0.7–2.0 mol/dm3  was used in the research as magnesium feedstock and sodium hydroxide was used as a precipitating agent within the same concentration range. The process of obtaining magnesium hydroxide was carried out with a 25% excess of the precipitating agent in relation to the reaction stoichiometry. The obtained suspension was separated by way of multi-stage sedimentation with the use of acetone and freezing samples. Depending on the concentration of reagents the efficiency of obtaining magnesium hydroxide fell within the range of 88–99%, whereas the specific surface area – within 115–609 m2 /g, while the high purity of samples above 99% of magnesium hydroxide was maintained.
    Źródło:
    Polish Journal of Chemical Technology; 2020, 22, 2; 73-77
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of MgO to Promote the Oxyethylation Reaction of Lauryl Alcohol
    Autorzy:
    Pilarska, A.
    Lukosek, M.
    Siwińska-Stefańska, K.
    Pilarski, K.
    Jesionowski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/779641.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    magnesium hydroxide and oxide
    precipitation
    dispersive and structural properties
    oxyethylation
    catalytic activity
    Opis:
    Synthesis of magnesium hydroxide was performed by the precipitation method with the use of magnesium sulfate and sodium hydroxide. The infiuence of temperature and ratio of reagents was studied. Magnesium hydroxides, and the magnesium oxides obtained from them by thermal decomposition, were analyzed to determine their bulk density, polydispersity and particle size. The magnesium oxide with the largest surface area was tested as a catalyst in the oxyethylation of lauryl alcohol, and shown to be selective but poorly reactive in comparison with commercially available catalysts. Further studies are needed to improve its reactivity.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 2; 36-42
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physico-chemical and dispersive characterisation of magnesium oxides precipitated from the Mg(NO3)2 and MgSO4 solutions
    Autorzy:
    Pilarska, A.
    Paukszta, D.
    Ciesielczyk, F.
    Jesionowsk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/779455.pdf
    Data publikacji:
    2010
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    tlenek magnezu
    wodorotlenek magnezu
    osady
    rozkład wielkości cząsteczek i morfologii powierzchni
    właściwości adsorpcyjne
    magnesium oxide
    magnesium hydroxide
    precipitation
    Particle size distribution and surface morphology
    adsorptive properties
    Opis:
    An attempt was made to synthesise magnesium oxide of a high degree of dispersion permitting its use as adsorbent or catalyst. The synthesis method proposed was precipitation with the use of magnesium nitrate or magnesium sulfate. The influence of temperature, the mode and the rate of dosing, the concentration and the ratio of the reagents on the properties of the final product was analysed. Magnesium oxides were obtained by thermal decomposition of magnesium hydroxides and subjected to thorough analysis. The results permitted selection of the reaction systems ensuring synthesis of the final products of the desired properties.
    Źródło:
    Polish Journal of Chemical Technology; 2010, 12, 2; 52-56
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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