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Review Of The State Of The Art Of Siliceous Scale Management In Industrial Systems

Picture for Review Of The State Of The Art Of Siliceous Scale Management In Industrial Systems
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Fouling of equipment surfaces by siliceous salts such as silica, metal silicates,
coprecipitated silica with mineral salts such as calcium carbonate, calcium sulfate, etc.,
is a serious challenge facing the technologists in the efficient operation of industrial
systems. Severe fouling at times results in premature expensive equipment replacement,
early shutdown, increase in operating pressure of pumps, and enhance the probability of
corrosion damage. In many cases, the removal of foulants leads to discontinuous
operation of the system, resulting in higher operating costs. In geothermal applications,
siliceous scale typically occurs when brine is cooled in the course of brine handling and
energy extraction.

Product Number: 51322-17731-SG
Author: Peter G. Koutsoukos, Panagiota D. Natsi, Zahid Amjad
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings and Linings , Coatings
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Fouling of equipment surfaces by siliceous materials in industrial water systems is a
problem associated with high silica laden waters. The complexity of siliceous deposits
formation stems from the limited solubility of amorphous silica and metal silicates. Once
formed, these deposits are difficult to remove and often requires the use of chemical
and/or mechanical approaches. This paper presents mechanisms of siliceous deposits
formation and reviews various approaches attempted to control these deposits in
industrial systems. Comparative performance data on a variety of polymeric, nonpolymeric,
and formulated products as siliceous deposit control agents are presented.
Additionally, information on morphology of various siliceous deposits formed is discussed.

Fouling of equipment surfaces by siliceous materials in industrial water systems is a
problem associated with high silica laden waters. The complexity of siliceous deposits
formation stems from the limited solubility of amorphous silica and metal silicates. Once
formed, these deposits are difficult to remove and often requires the use of chemical
and/or mechanical approaches. This paper presents mechanisms of siliceous deposits
formation and reviews various approaches attempted to control these deposits in
industrial systems. Comparative performance data on a variety of polymeric, nonpolymeric,
and formulated products as siliceous deposit control agents are presented.
Additionally, information on morphology of various siliceous deposits formed is discussed.

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