Evaluation of an organic acid descaling solution for removal calcareous scales on pipelines

Calcareous scales can form in industrial and domestic pipelines, heat exchangers, desalination plants, or cooling towers, causing obstruction and flow reduction, high-pressure drops, low heat transfer coefficients, and other harmful effects, resulting in a negative economic impact. The composition o...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2023-11, Vol.27 (11), p.3119-3128
Main Authors: Malik, A., González-Gutiérrez, A. G., Calderón-Anaya, I. L., Casillas, N.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Calcium carbonate
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Cooling towers
Corrosion rate
Desalination
Descaling
Economic impact
Electrochemistry
Energy Storage
Heat exchangers
Heat transfer coefficients
Impact analysis
Mathematical analysis
Original Paper
Physical Chemistry
Pipelines
Pressure drop
Recrystallization
Reduction
Speciation
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Summary:Calcareous scales can form in industrial and domestic pipelines, heat exchangers, desalination plants, or cooling towers, causing obstruction and flow reduction, high-pressure drops, low heat transfer coefficients, and other harmful effects, resulting in a negative economic impact. The composition of calcareous scales varies depending on the type and quality of the water in which they form and usually consists of carbonate minerals. In this study, we evaluated an organic acid mixture that is environmentally friendly, descaling solution to remove calcareous scales on embedded domestic pipelines. The results presented include speciation diagrams of the descaling solution at different concentrations in contact with calcium carbonate, using the software MEDUSA. The results indicate that stable citrate and phosphate complexes are formed at 1 
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-023-05537-3