Generally, commercial product of
calcium sulfate anhydrous (CaSO4) is synthesized burning gypsum in
kiln, in the process that the water is removed from gypsum crystallized by
mixing CaCl2 and Na2SO4 in aqueous medium. It
is possible to change gypsum properties by changing the parameters during
crystallization. Also, the differentiation in the structures of the synthesized
product can be possible with using additives during the crystallization. The
changes in properties of these synthetically produced materials may be
investigated instrumentally.
This study examines change of
surface fractal dimensions (Df) of synthesized CaSO4 anhydrate
instrumentally. CaSO4.2H2O was synthesized by chemical
precipitation method in the presence Poly(Sodium 4-Styrene Sulphonate) and
measured N2-physisorption measurements after burning. Fractal
dimensions were determined using single N2-adsorption/desorption
isotherms method. For Fractal dimension calculations, the Frenkel–Halsey–Hill
(FHH) and the Neimark–Kiselev (NK) methods were used. Taguchi method has been
used in evaluation of experimental design for optimization of Df
values.
Primary Language | English |
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Subjects | Chemical Engineering |
Journal Section | Articles |
Authors | |
Publication Date | August 6, 2018 |
Submission Date | July 24, 2018 |
Acceptance Date | August 1, 2018 |
Published in Issue | Year 2018 Volume: 1 Issue: 1 |
© 2018 Journal of Physical Chemistry and Functional Materials (JPCFM). All rights reserved.
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