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Assesment of the usability of Mg(OH)2obtained from the solution after sphalerite leaching for the winning of polyetylene composition

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Pielichowska K., Żelazny S.
Polish Journal of Chemical Technology
|
2009
|
vol. 11
|
issue 1
34-36
EN
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.
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Assesment of the usability of Mg(OH)2obtained from the solution after sphalerite leaching for the winning of polyetylene composition

100%
Pielichowska K., Żelazny S.
Polish Journal of Chemical Technology
|
2008
|
vol. 10
|
issue 4
37-39
EN
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.
3
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Physico-chemical and dispersive characterisation of magnesium oxides precipitated from the Mg(NO3)2and MgSO4solutions

70%
Pilarska A., Paukszta D., Ciesielczyk F., Jesionowski T.
Polish Journal of Chemical Technology
|
2010
|
vol. 12
|
issue 2
52-56
EN
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.
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