Chemical Methods for Scaling Control

Spinthaki, Argyro; Demadis, Konstantinos D.

doi:10.1007/978-3-030-34284-5_15

Cited by 9 publications

(4 citation statements)

References 120 publications

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“…However, in case crystals nuclei have already formed, antiscalants may disrupt the crystallization process by altering the mineral nuclei, thereby inhibiting and/or distorting crystal growth by a process known as lattice distortion. Some antiscalants, especially phosphonates, act as chelating agents and tend to increase the solubility limit of the scalants to form complexes with particular metal ions, thus inactivating their tendency to form scales [4]. Other studies also hypothesize dispersion and threshold effect to be the driving force for antiscalant effectiveness.…”

Section: Resultsmentioning

confidence: 99%

Comparison of scale inhibition potential of different commercial reverse osmosis antiscalants

Kaushik¹,

Wendler²,

Ernst³

2022

Vom Wasser

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Section: Resultsmentioning

confidence: 99%

Comparison of scale inhibition potential of different commercial reverse osmosis antiscalants

Kaushik¹,

Wendler²,

Ernst³

2022

Vom Wasser

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“…Two scale inhibitors were used in this work, which are (1) diethylene triamine penta (methylene phosphonic acid) or DETPMP, DETA-phosphonate, and (2) sulfonated polyacrylic acid copolymer or VS-Co. These SIs are commercial chemicals, which are commonly used in oilfield applications, and the structures of these SIs are presented in Figure . , DETPMP and VS-Co were supplied by Italmatch and ChampionX (previously Nalco Champion) companies, respectively. In the case of VS-Co, the chemical supplier did not provide us with the specifications of the inhibitors, including molecular weight and the percentage of sulfonation.…”

Section: Methodsmentioning

confidence: 99%

Experimental Analysis of Scale Inhibitors Retention in Carbonate Formations for Application in Squeeze Treatments

et al. 2022

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In this work, static adsorption/precipitation (Γ/Π) experiments were conducted for two widely used scale inhibitors (DETPMP and VS-Co) using two different size fractions of Moroccan calcite (315–500 and 125–250 μm) to study the effect of particle size on the “apparent adsorption” of these SIs onto carbonate. The reason for performing these experiments at two particle size ranges was to determine whether the relative surface area to volume ratios (as presented as particle size) would affect whether the precipitating SI–Ca complex forms as a “skin” on the mineral surface and, if so, to determine whether this “skin” could affect the further interaction between the SI and the carbonate mineral by a “surface poisoning” effect. The results of both environmental scanning electron microscopy/energy dispersive X-ray analysis (ESEM/EDX) and direct particle size analysis (PSA) clearly showed that no (or very little), such surface deposition or coating around calcite grains occurred for either of these SIs. Essentially, the results for both particle sizes were qualitatively the same for each of the SIs. The DETPMP retention showed coupled Γ/Π behavior, which was predominantly precipitation at [DETPMP] > 100 ppm and was quantitatively almost the same for both calcite particle sizes. Likewise, the results for VS-Co were quantitatively almost identical for both particle sizes and the retention was predominantly via adsorption up to [VS-Co] ≈ 3000 ppm, with some small degree of precipitation at higher concentration observed. The rather different behavior of DETPMP and VS-Co may be ascribed to different functional groups having different pK a values and strengths of SI–Ca binding. Both sets of static adsorption/precipitation experimental results for DETPMP and VS-Co on each calcite particle size fraction were also predicted using a previously published model.

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“…Inhibitory methods of preventing scale deposition have been given priority in oilfield practice, water supply, and the protection of heat exchange equipment [ 1 , 2 , 3 , 4 , 79 , 80 ]. Substances that inhibit the crystallization of salts in technological systems can hardly be considered diverse.…”

Section: Scale Inhibitorsmentioning

confidence: 99%

Polysaccharides as Effective and Environmentally Friendly Inhibitors of Scale Deposition from Aqueous Solutions in Technological Processes

et al. 2023

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In this paper, we consider natural and modified polysaccharides for use as active ingredients in scale deposition inhibitors to prevent the formation of scale in oil production equipment, heat exchange equipment, and water supply systems. Modified and functionalized polysaccharides with a strong ability to inhibit the formation of deposits of typical scale, such as carbonates and sulfates of alkaline earth elements found in technological processes, are described. This review discusses the mechanisms of the inhibition of crystallization using polysaccharides, and the various methodological aspects of evaluating their effectiveness are considered. This review also provides information on the technological application of scale deposition inhibitors based on polysaccharides. Special attention is paid to the environmental aspect of the use of polysaccharides in industry as scale deposition inhibitors.

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Chemical Methods for Scaling Control

Cited by 9 publications

References 120 publications

Comparison of scale inhibition potential of different commercial reverse osmosis antiscalants

Comparison of scale inhibition potential of different commercial reverse osmosis antiscalants

Experimental Analysis of Scale Inhibitors Retention in Carbonate Formations for Application in Squeeze Treatments

Polysaccharides as Effective and Environmentally Friendly Inhibitors of Scale Deposition from Aqueous Solutions in Technological Processes

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