Effects of chemical inhibitors on the scaling behaviors of calcite and the associated surface interaction mechanisms

Li, An; Zhang, Hao; Liu, Qingxia; Zeng, Hongbo

doi:10.1016/j.jcis.2022.03.105

Cited by 17 publications

(15 citation statements)

References 57 publications

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“…To further explore the effect of s-EPS on the formation of CaCO 3 crystals, FESEM was used to examine the microstructure of the CaCO 3 crystals. Figure d shows the surface morphology of CaCO 3 crystals, whereas Figure (d-1) depicts that CaCO 3 crystals lacking s-EPS had uniform rhombus shapes and smooth surfaces of 5–10 μm, concluding that the crystal forms of CaCO 3 were calcite . After the addition of s-EPS-P.…”

Section: Resultsmentioning

confidence: 98%

“…It was reported that the metal chelating ability of EPS was related to their inhibition ability . The excellent metal chelating abilities of s-EPS led to Ca 2+ binding with s-EPS, preventing the formation of CaCO 3 crystals …”

Section: Resultsmentioning

confidence: 99%

“…megaterium appeared at the N 1s peak in the presence of CaCO 3 crystals, indicating that amino acids and protein-like substances were involved in forming CaCO 3 crystals. It can be explained that some active functional groups in s-EPS were involved in the formation and growth of CaCO 3 crystals. , …”

Section: Resultsmentioning

confidence: 99%

“…Figure 2d shows the surface morphology of CaCO 3 crystals, whereas Figure 2(d-1) depicts that CaCO 3 crystals lacking s-EPS had uniform rhombus shapes and smooth surfaces of 5−10 μm, concluding that the crystal forms of CaCO 3 were calcite. 29 After the addition of s-EPS-P. putida, CaCO 3 crystals exhibited irregular shapes and the particle sizes became smaller with rough surfaces, as shown in Figure 2(d-2). However, after the addition of s-EPS-B.…”

Section: Characterization Of Caco 3 Crystals With S-epsmentioning

confidence: 94%

“…It can be explained that some active functional groups in s-EPS were involved in the formation and growth of CaCO 3 crystals. 23,29 As shown in Figure 4, 3D-EEM was used to illustrate the interaction mechanism between s-EPS (s-EPS-P. putida and s-EPS-B. megaterium) and Ca 2+ .…”

Section: Characterization Of Caco 3 Crystals With S-epsmentioning

confidence: 99%

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Roles of Microbial Extracellular Polymeric Substances in Corrosion and Scale Inhibition of Circulating Cooling Water

Gong

Song

et al. 2023

ACS EST Water

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Circulating cooling water plays a major role in petrochemical electric power, steel, metallurgical, and other industries. Corrosion and scale inhibitors in circulating cooling water systems face the challenges of high cost, low efficiency, and heavy pollution. Extracellular polymeric substances (EPS) were considered as novel, efficient, and environmentally friendly corrosion and scale inhibitors in circulating cooling water systems due to their availability, high efficiency, and lack of benefit from secondary pollution. However, roles of EPS in corrosion and scale inhibition remain unknown yet. Herein, Gram-negative (Pseudomonas putida) and Gram-positive (Bacillus megaterium) bacteria were selected to explore the corrosion and scale performance and mechanisms of soluble EPS (s-EPS). Performances of s-EPS from P. putida (s-EPS-P. putida) in corrosion and scale inhibition were obviously superior to those of s-EPS from B. megaterium (s-EPS-B. megaterium). The previously undiscovered roles of s-EPS in corrosion and scale were uncovered: (1) the chelating ability of s-EPS (mainly humic substances) prevented the formation and growth of CaCO 3 crystals; (2) s-EPS (mainly carbohydrates) formed a dense protective film by integrating with metal ions on a carbon steel surface to prevent the corrosion of A3 carbon steel. Our work provides a deeper mechanistic understanding of corrosion and scale inhibitory performances, allowing advanced development and optimization of s-EPS as a corrosion and scale inhibitor.

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Characterization Of Caco 3 Crystals With S-epsmentioning

confidence: 94%

Section: Characterization Of Caco 3 Crystals With S-epsmentioning

confidence: 99%

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Roles of Microbial Extracellular Polymeric Substances in Corrosion and Scale Inhibition of Circulating Cooling Water

Gong

Song

et al. 2023

ACS EST Water

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Precision Covalent Organic Frameworks for Surface Nucleation Control

et al. 2023

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Unwanted accumulation of ice and lime scale crystals on surfaces is a long‐standing challenge with major economic and sustainability implications. Passive inhibition of icing and scaling by liquid‐repellent surfaces are often inadequate, susceptible to surface failure under harsh conditions, and unsuitable for long‐term/real‐life usages. Such surfaces often require a multiplicity of additional features such as optical transparency, robust impact resistance, and ability to prevent contamination from low surface energy liquids. Unfortunately, most promising advances have relied on using perfluoro compounds, which are bio‐persistent and/or highly toxic. Here it is shown that organic, reticular mesoporous structures, covalent organic frameworks (COFs), may offer a solution. By exploiting simple and scalable synthesis of defect‐free COFs and rational post‐synthetic functionalization, nanocoatings with precision nanoporosity (morphology) are prepared that can inhibit nucleation at the molecular level without compromising the related contamination prevention and robustness. The results offer a simple strategy to exploit the nanoconfinement effect, which remarkably delays the nucleation of ice and scale formation on surfaces. Ice nucleation is suppressed down to −28 °C, scale formation is avoided for >2 weeks in supersaturated conditions, and jets of organic solvents impacting at Weber numbers >105 are resisted with surfaces that also offer optical transparency (>92%).

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Omniphobic/superhydrophobic surface effect on oil and gas flow: A critical review

Hasan,

Sun,

Bahaeddine

et al. 2024

Can J Chem Eng

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Flow assurance in the petroleum business of the oil and gas industry ensures the efficient and continuous flow of hydrocarbons from production facilities to consumers. Impurities in oil and gas can cause corrosion and erosion, hydrate formation, scaling, and fouling, resulting in flow limits and reduced operating efficiency. The significant flow assurance issues must be managed through systematic exploration of effective mitigation and management approaches. The objective of this paper is to highlight the latest research in the field of flow assurance, including the application of superhydrophobic or omniphobic coatings to prevent scale growth, asphaltene precipitation, wax deposition, and hydrate formation. This review will provide new perspectives into the basic mechanistic mechanisms of deposition and blockage in oil and gas production systems, assisting in the development of novel methods compared to the employment of commercial chemical or mechanical techniques. Overall, the flow assurance engineers will gain new perspectives from this study regarding how to deal with the risk of pipeline blockage caused by the problems mentioned earlier.

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Effects of chemical inhibitors on the scaling behaviors of calcite and the associated surface interaction mechanisms

Cited by 17 publications

References 57 publications

Roles of Microbial Extracellular Polymeric Substances in Corrosion and Scale Inhibition of Circulating Cooling Water

Roles of Microbial Extracellular Polymeric Substances in Corrosion and Scale Inhibition of Circulating Cooling Water

Precision Covalent Organic Frameworks for Surface Nucleation Control

Omniphobic/superhydrophobic surface effect on oil and gas flow: A critical review

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