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- W2393898247 abstract "The adsorption properties of calcium ions on clay particle surface (such as kaolin and montmorillonite) in coal slurry under the influence of adsorption time, pH value, and calcium ion concentration were studied by static experiments. Experiment results show that adsorption amount of calcium ions increases gradually at the beginning and then tends to a constant as adsorption time increases. Two kinds of adsorption process follow the Langmuir adsorption isotherm. The adsorption amount of calcium ions on montmorillonite surface increases as pH value increases. To the adsorption amount of calcium ions on kaolin, when pH value is less than 6.5, the adsorption amount reduces as pH value increases; when pH value is greater than 7. 0, the amount increases rapidly as pH value increases; when pH value is between 6. 5 and 7. 0, the adsorption amount is the minimum. Experiment analysis also shows that hydroxy complexation, Ca(OH)2 precipitation and ion electrostatic adsorption are the three possible adsorption forms of calcium ion on sample surface." @default.
- W2393898247 created "2016-06-24" @default.
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- W2393898247 date "2004-01-01" @default.
- W2393898247 modified "2023-09-26" @default.
- W2393898247 title "Adsorption Properties and Mechanism of Calcium Ions on Clay Particle Surface in Coal Slurry" @default.
- W2393898247 hasPublicationYear "2004" @default.
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