Effect of biomass drying titanium concentrate on its acid hydrolysis performance

Wang Haibo; Sun Ke; Cheng Xiaozhe; Wang Bin; Wu Xiaoping

doi:10.7513/j.issn.1004-7638.2022.03.006

Volume 43 Issue 3

Jun. 2022

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Wang Haibo, Sun Ke, Cheng Xiaozhe, Wang Bin, Wu Xiaoping. Effect of biomass drying titanium concentrate on its acid hydrolysis performance[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 33-39. doi: 10.7513/j.issn.1004-7638.2022.03.006

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Wang Haibo, Sun Ke, Cheng Xiaozhe, Wang Bin, Wu Xiaoping. Effect of biomass drying titanium concentrate on its acid hydrolysis performance[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 33-39. doi: 10.7513/j.issn.1004-7638.2022.03.006

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Effect of biomass drying titanium concentrate on its acid hydrolysis performance

doi: 10.7513/j.issn.1004-7638.2022.03.006

State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, Sichuan, China

Received Date: 2022-02-28
Publish Date: 2022-06-30

Abstract

Abstract

In view of the decline of acid hydrolysis performance of titanium concentrate directly dried by biomass, the influence of different drying methods on acid hydrolysis performance of titanium concentrate were found by comparing the difference of acid hydrolysis performance of titanium concentrate, and the exploration test of improving acid hydrolysis performance was carried out. The results show that after a small amount of biomass fuel and its combustion residues mixed into the titanium concentrate directly dried by biomass fuel, the acid hydrolysis rate and the filtration rate of titanium liquid in the titanium concentrate are lower than that of the titanium concentrate directly dried by coal gas. The larger the mixed amount, the greater the drop in the acid hydrolysis rate and the filtration rate of titanium liquid. When the C content of direct-drying titanium concentrate with biomass is 4 times that of the direct-drying titanium concentrate with coal gas and keep the conditions of reaction acid-ore ratio increasing 0.02, reaction acid concentration increasing 2%, ripening temperature increasing 10 °C and ripening time increasing 1 h, the acid hydrolysis rate of titanium concentrate dried by biomass fuel is 93.00%, which is higher than 90.91% of titanium concentrate dried by coal gas. But the extraction rate of 100 mL titanium liquid is 615 s lower than 122 s of the latter. With the increase of acid hydrolysis rate, the pumping speed of titanium liquid decreases. The titanium concentrate directly dried by biomass fuel and coal gas are mixed according to the mass ratio of 5:95, the acid hydrolysis rate of titanium concentrate and the filtration rate of titanium liquid are almost the same as those of gas-drying titanium concentrate.
- titanium concentrate,
- acid hydrolysis performance,
- drying,
- biomass,
- coal gas,
- acid hydrolysis rate,
- extraction rate

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References(19)

References

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