Yayınlanmış 1 Ocak 2017 | Sürüm v1
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Nano-CaCO3 synthesis by jet flow

  • 1. Izmir Inst Technol, Dept Chem Engn, TR-35430 Izmir, Turkey

Açıklama

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. (C) 2016 Elsevier B.V. All rights reserved.

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