Study on Alkali Leaching Kinetics of the Filter Residue from Titanium Slag Roasting with Concentrated Sulfuric Acid AITranslate
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Using the filter residue after titanium extraction from titanium slag by concentrated sulfuric acid roasting method as the experimental material,the SiO2in the filter residue was leached with NaOH solution.The effects of stirring speed,liquid-solid ratio and alkali-residue mass ratio on the leaching rate of SiO2 were determined,and the kinetics of leaching reaction was explored.The results show that there is little effect of stirring speed on SiO2leaching rate,and with the increase of leaching temperature and time,liquidsolid ratio and alkali-residue mass ratio,the leaching rate of SiO2increases.The leaching process is controlled by chemical reaction,the apparent activation energy is 42.89kJ/mol,and the kinetics equation can be expressed as 1-(1-x)1/3=0.44×103×[-42887/(RT)]×t.
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Basic Information:
DOI：
Chinese Library Classification Number:TF09[冶金工程—冶金物理化学]
Citation Information:
Using the filter residue after titanium extraction from titanium slag by concentrated sulfuric acid roasting method as the experimental material,the SiO2in the filter residue was leached with NaOH solution.The effects of stirring speed,liquid-solid ratio and alkali-residue mass ratio on the leaching rate of SiO2 were determined,and the kinetics of leaching reaction was explored.The results show that there is little effect of stirring speed on SiO2leaching rate,and with the increase of leaching temperature and time,liquidsolid ratio and alkali-residue mass ratio,the leaching rate of SiO2increases.The leaching process is controlled by chemical reaction,the apparent activation energy is 42.89kJ/mol,and the kinetics equation can be expressed as 1-(1-x)1/3=0.44×103×[-42887/(RT)]×t.
quote
| GB/T 7714-2015 | [1] SUI Li-li, ZHANG Jun, MA Ming-yang, et al. Study on Alkali Leaching Kinetics of the Filter Residue from Titanium Slag Roasting with Concentrated Sulfuric Acid[J]. Rare Metals and Cemented Carbides, 2020(6): 20-23. |
| MLA | [1] SUI Li-li, et al., "Study on Alkali Leaching Kinetics of the Filter Residue from Titanium Slag Roasting with Concentrated Sulfuric Acid." Rare Metals and Cemented Carbides, no. 6, 2020, pp. 20-23. |
| APA | [1] SUI Li-li, ZHANG Jun, MA Ming-yang, ZHAI Yu-chun, DONG Wei, & CHANG Hong. (2020). Study on Alkali Leaching Kinetics of the Filter Residue from Titanium Slag Roasting with Concentrated Sulfuric Acid. Rare Metals and Cemented Carbides(6), 20-23. |
| IEEE | [1] SUI Li-li, ZHANG Jun, MA Ming-yang, ZHAI Yu-chun, DONG Wei, and CHANG Hong, "Study on Alkali Leaching Kinetics of the Filter Residue from Titanium Slag Roasting with Concentrated Sulfuric Acid," Rare Metals and Cemented Carbides, no. 6, pp. 20-23, 2020. keywords: {leaching kinetics;NaOH;titanium-extracted residue;alkali leaching;SiO2} |