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Title: A brief overview on geothermal scaling
Authors: Isık, Tuğba
Baba, Alper
Chandrasekharam, Dornadula
Demir, Mustafa Muammer
Keywords: Antiscalants
Geothermal Energy
Publisher: General Directorate of Mineral Research and Exploration (MTA)
Abstract: Hot spring waters are rich in terms of minerals. Since there are dramatic changes in thermodynamic parameters in geothermal power plants, such as a decrease in temperature and pressure, severe precipitation occurs throughout the system components in an uncontrolled manner. There are three main chemistries in deposits: carbonates (mainly calcium carbonates), silicates (metal silicates), and sulphides (antimony sulphide-stibnite). Energy harvesting is remarkably reduced out of the insulating nature of the deposit. Various actions need to be taken to mitigate this undesirable issue of scaling in geothermal systems. Geothermal systems are in fact quite complex, and the composition of brine and, accordingly, the chemistry of the deposit are not identical. Therefore, each system should be studied individually, and a tailor-made remedy should be developed. In this overview, the types of deposits in terms of chemistry and the actions (pH modification or antiscalant dosing) that should be taken to reduce scaling are mentioned, and potential chemistries of antiscalants are given. © 2023 General Directorate of Mineral Research and Exploration (MTA). All rights reserved.
ISSN: 0026-4563
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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