| Title |
Dūmų nusierinimo gipso dehidratacijos parametrų įtaka β-pushidračio kalcio sulfato savybėms |
| Another Title |
The influence of FGD gypsum dehydration parameters on β-hemihydrate calcium sulfate properties. |
| Authors |
Zajac, J ; Leškevičienė, V |
| DOI |
10.5755/j01.ct.60.2.1603 |
| Full Text |
|
| Is Part of |
Cheminė technologija.. Kaunas : KTU. 2012, Nr. 2, p. 12-17.. ISSN 1392-1231. eISSN 2029-719X |
| Abstract [eng] |
In this research, the influence of flue gas desulphurization gypsum (known as smoke gypsum) dehydration conditions (temperature and duration) on the β-hemihydrate calcium sulfate formation, the crystal morphology and properties was investigated. The used raw materials and the obtained gypsum binder properties were studied by chemical analysis and instrumental methods. β-Hemihydrate gypsum formation was found to accelerate with increasing the dehydration at 120– 160 °C a temperature ranging within. The SEM analysis of the obtained product showed that prismatic crystals of calcium sulphate hemihydrate had been formed. The crystal size influenced the physical-mechanical properties of β-hemihydrate gypsum. At higher temperatures, the obtained gypsum binder hydrated faster, and formatted samples of compressive strength was greater than that derived at lower temperatures. |
| Published |
Kaunas : KTU |
| Type |
Journal article |
| Language |
Lithuanian |
| Publication date |
2012 |
| CC license |
|
