The effect of magnesium on the formation of CaCO3 depositions onto stainless steel, diamond and zirconium nitride surfaces

Eini Puhakka, Markus Riihimäki, Riitta L. Keiski

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

In decreasing the carbon footprint of process industry, the controlling of energy efficiency of process equipment has a significant role. One of the most marked factors in improving the energy efficiency is the mitigation of precipitation and crystallization onto the heat transfer surfaces. In many cases, analysis of deposited materials reveals that the trace compounds of process fluids are concentrated onto surfaces. Thus, trace compounds can affect fouling rate, structure and morphology of deposited materials and adhesion strength of depositions on the surfaces. In this study, formation of CaCO3 depositions in the presence of magnesium ions was investigated on stainless steel, diamond and zirconium nitride surfaces. The aim of the study was to clarify the effect of magnesium on the crystallization fouling. This work consisted of both molecular modelling research and experimental fouling experiments at the laboratory scale in order to clarify the detailed mechanisms for the deposition formation.
Original languageEnglish
Title of host publicationProceedings of the 9th International Conference on Heat Exchanger Fouling and Cleaning - 2011
Subtitle of host publicationCrete Island, Greece, June 5-10, 2011
Pages243-250
Publication statusPublished - 2011
MoE publication typeNot Eligible

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    Puhakka, E., Riihimäki, M., & Keiski, R. L. (2011). The effect of magnesium on the formation of CaCO3 depositions onto stainless steel, diamond and zirconium nitride surfaces. In Proceedings of the 9th International Conference on Heat Exchanger Fouling and Cleaning - 2011: Crete Island, Greece, June 5-10, 2011 (pp. 243-250) http://www.heatexchanger-fouling.com/papers/papers2011/34_Puhakka_F.pdf