Ultrasonik Ses Dalgası Ortamında Polielektrolit Varlığında Kalsiyum Karbonat Sentezi, Karakterizasyonu ve Deneysel Tasarım

Year 2017, Volume: 5 Issue: 4, 59 - 69, 22.12.2017

Semra Kırboğa

https://doi.org/10.29109/http-gujsc-gazi-edu-tr.369221

Abstract

Bu çalışmada ultrasonik
ses dalgası (USD) uygulanarak suda çözünebilir polielektrolit olan
polivinilsülfonik asit (PVS) varlığında kalsiyum karbonat (CaCO₃)
sentezlenmiştir. Sentezlenen CaCO₃ kristalleri XRD, taramaları
elektron mikroskobu (SEM), parçacık boyutu analizi ve termogravimetrik analiz
(TGA ve DTA) ile karakterize edilmiştir. 2^k Faktöriyel Tasarım
uygulanarak, sonikatör genliğinin, polimer konsantrasyonunun ve USD uygulama
zamanının elde edilen kalsiyum karbonat kristallerinin boyutuna etkisi
incelenmiştir.  Deneysel tasarım iki
seviyede gerçekleştirilmiştir. Seçilen tüm proses parametrelerinin PVS
varlığında elde edilen kalsiyum karbonatın parçacık boyutunda çok etkili olduğu
görülmüştür.  

Keywords

Kalsiyum Karbonat, Deneysel Tasarım, Ultrasonik Ses Dalgası, Polielektrolit.

The Synthesize of Calcium Carbonate Its Characterization and Experimental Design in an Ultrasonic Sound Wave Environment and in the Presence of Polyelectrolyte

Abstract

In this study, calcium carbonate (CaCO₃)
was synthesized by means of ultrasonic irradiation process in the presence of
the water-soluble polyelectrolyte Poly(Vinyl Sulfonic Acid) (PVS). Synthesized
CaCO₃ crystals were characterized by X-ray diffraction (XRD),
scanning electron microscopy (SEM), particle size and thermal analysis (TGA-DTA).
The effects of the amplitude of sonicator, polymer concentration and the
application time of ultrasound on the obtained CaCO₃ with respect to
particle size of final product was investigated by applying the 2^k
Factorial design. The experimental design was studied at two levels. All the
selected process parameters were found to be very effective on the particle
size of calcium carbonate obtained in the presence of PVS. 

Keywords

Calcium Carbonate, Experimental Design, Ultrasonic Wave, Polyelectrolyte.

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