Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6291
Title: Nano-CaCO3 synthesis by jet flow
Authors: Ülkeryıldız, Eda
Kılıç, Sevgi
Özdemir, Ekrem
Ülkeryıldız, Eda
Kılıç, Sevgi
Özdemir, Ekrem
Izmir Institute of Technology. Chemical Engineering
Keywords: Calcium carbonate
Zeta potential
Calcium
Hollow
Nanoparticles
Stabilization
Issue Date: Jan-2017
Publisher: Elsevier Ltd.
Source: Ülkeryıldız, E., Kılıç, S., and Özdemir, E. (2017). Nano-CaCO3 synthesis by jet flow. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 512, 34-40. doi:10.1016/j.colsurfa.2016.10.037
Abstract: A new methodology was introduced to produce hollow nano calcite particles in homogenous size distribution without aggregation. The design consisted of a jet flow system in which the crystallization region was separated from the stabilization region. The newly produced nano CaCO3 particles of about 140 nm were removed from the crystallization region as quickly as possible into the stabilization region before aggregation or crystal growth. In the stages of crystallization, the particles started to dissolve from their edges which opened-up the pores inside the particles. At the late stages of crystallization, the open pores closed. These particles were stable in Ca(OH)2 solution and no aggregation was detected. Different particles with different morphologies can be produced by adjusting the stages in the crystallization.
URI: http://doi.org/10.1016/j.colsurfa.2016.10.037
http://hdl.handle.net/11147/6291
ISSN: 0927-7757
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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