NDLI: Temperature Effect of Phosphonate-based Scale Inhibitors on Calcium Sulfate Scale in a High Salinity Environment

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Temperature Effect of Phosphonate-based Scale Inhibitors on Calcium Sulfate Scale in a High Salinity Environment

Content Provider	Scilit
Author	Hou, J. Chen, T. Han, M. Bataweel, M.
Copyright Year	2021
Description	Journal: Iop Conference Series: Earth and Environmental Science Calcium sulfate scale is one of the major scales causing lots of serious operating problems in water injection and oil production. It is necessary to conduct effective treatment when calcium sulfate precipitation occurs. Phosphonate-based scale inhibitors (SIs) are commonly used to control mineral scaling. In this work, the performances for calcium sulfate inhibition by four phosphonate-based SIs were investigated in high salinity and high hardness waters. Experiments at elevated temperatures (65°C, 90°C and 120°C) were conducted to demonstrate the effects of temperature on the scale inhibition efficiency. The results showed that a 100% inhibitive performance could be achieved in the addition of SI-2 at 65°C and 90°C with a dosage of <20 ppm. It was also observed that the inhibition rate on calcium sulfate decreased severely at a temperature up to 120°C.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/690/1/012014/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/690/1/012014
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	690
Language	English
Publisher	IOP Publishing
Publisher Date	2021-03-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Marine Engineering Calcium Sulfate Effects of Temperature Phosphonate Based High Salinity
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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