| Issue |
MATEC Web Conf.
Volume 156, 2018
The 24th Regional Symposium on Chemical Engineering (RSCE 2017)
|
|
|---|---|---|
| Article Number | 05015 | |
| Number of page(s) | 5 | |
| Section | Materials and Processing | |
| DOI | https://doi.org/10.1051/matecconf/201815605015 | |
| Published online | 14 March 2018 | |
The Current Density on Electrosynthesis of Hydroxyapatite with Bipolar Membrane
1
Chemical Engineering Department, Faculty of Engineering, Universitas Sebelas Maret, 57126 Surakarta, Indonesia
2
Chemistry Department, Faculty of Mathematics and Science, Universitas Negeri Malang, 65111 Malang, Indonesia
* Corresponding author: adriannur@staff.uns.ac.id
Synthesis of hydroxyapatite by electrochemical method was has been successfully done. The novelty of this research is used of the bipolar membrane to separate electrolysis chamber. The bipolar membrane is used to keep the cations still around the cathode and react to form hydroxyapatite. The aim of this paper was to compare the current density on electrosynthesis of hydroxyapatite with and without bipolar membrane and the effect of current density on electrosynthesis. The electrosynthesis was performed at 2 hours at 400 to 600 mA/cm2 at room temperature. The bigger the current density, the more pure HA formed. The electrosynthesis of hydroxyapatite with bipolar membrane more effective than without bipolar membrane. The formation of HA is very effective in the cathode chamber. HA can be formed at low current density. In electrosynthesis with the bipolar membrane, particles of HA are nanosheet flower-like. The nanosheet flower-like HA growth at 1.6 A to 2 A.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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