Effect of sulfate ions on oil detachment from calcite surface: experiments and molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4427-8
Abstract: To investigate the influence of sulfate ions in low-salinity waterflooding of carbonate reservoirs, we combined the physical experiments and molecular dynamic simulations. Contact angle experiments results showed that there is an optional salinity during the… read more here.
Keywords: sulfate ions; surface; interaction; oil ... See more keywords
The role of sulfate ions in tricalcium aluminate hydration: New insights
Sign Up to like & getrecommendations! Published in 2020 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2020.105973
Abstract: Abstract As a major mineral of Portland cement, the hydration of tricalcium aluminate (C3A) has a significant impact on various properties of cement-based materials. However, there is little consensus on its mechanism, especially the interaction… read more here.
Keywords: c3a; sulfate ions; tricalcium aluminate; role sulfate ... See more keywords
Investigation of mechanisms for simultaneous adsorption of iron and sulfate ions onto chitosan with formation of orthorhombic structures
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.124575
Abstract: Abstract The study confirms the interaction of sulfate ions (SO42−) into the polymer chains of chitosan under acidic conditions. As a result the crystallinity of chitosan decreases with (1) increasing protonation of the amino groups… read more here.
Keywords: adsorption iron; sulfate ions; iron sulfate; sulfate ... See more keywords
Preparation of petal-like magnesium hydroxide particles by adding sulfate ions
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DOI: 10.1016/j.jcrysgro.2020.125841
Abstract: Abstract A facile method to synthesize the magnesium hydroxide (Mg(OH)2) particles with petal-like morphology was proposed. In this method, we firstly used the sulfate ions as the additives to control Mg(OH)2 particle morphology. The effects… read more here.
Keywords: hydroxide particles; petal like; microscopy; sulfate ions ... See more keywords
Effect of Sulfate Ions on Galvanized Post-Tensioned Steel Corrosion in Alkaline Solutions and the Interaction with Other Ions
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DOI: 10.3390/ma15113950
Abstract: Zinc protection of galvanized steel is initially dissolved in alkaline solutions. However, a passive layer is formed over time which protects the steel from corrosion. The behavior of galvanized steel exposed to strong alkaline solutions… read more here.
Keywords: steel; steel corrosion; sulfate ions; alkaline solutions ... See more keywords