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Effect of Additive JDTV01 on Leaching of Vanadium From Stone Coal

Shi Mei-lian

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Abstract

When leaching vanadium from stone coal,adding JDTV01 can obviously improve leaching rate of vanadium and reduce dosage of sulfuric acid.The effects of sulfuric acid concentration,additive dosage,solid-liquid ratio,leaching temperature and leaching time etc on vanadium leaching rate are investigated by single factor experiment and orthogonal test method.The results show that leaching rate of vanadium is of 98.4% under the optimization conditions the sulfuric acid concentration of 20%,additive dosage of 1.5%,solid-liquid ratio of 1∶1,leaching temperature of 95℃ and leaching time of 11 h.

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What this paper is about

When leaching vanadium from stone coal,adding JDTV01 can obviously improve leaching rate of vanadium and reduce dosage of sulfuric acid.The effects of sulfuric acid concentration,additive dosage,solid-liquid ratio,leaching temperature and leaching time etc on vanadium leaching rate are investigated by single factor experiment and orthogonal test method.The results show that leaching rate of vanadium is of 98.4% under the optimization conditions the sulfuric acid concentration of 20%,additive dosage of 1.5%,solid-liquid ratio of 1∶1,leaching temperature of 95℃ and leaching time of 11 h.

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Available abstract

When leaching vanadium from stone coal,adding JDTV01 can obviously improve leaching rate of vanadium and reduce dosage of sulfuric acid.The effects of sulfuric acid concentration,additive dosage,solid-liquid ratio,leaching temperature and leaching time etc on vanadium leaching rate are investigated by single factor experiment and orthogonal test method.The results show that leaching rate of vanadium is of 98.4% under the optimization conditions the sulfuric acid concentration of 20%,additive dosage of 1.5%,solid-liquid ratio of 1∶1,leaching temperature of 95℃ and leaching time of 11 h.

Key concepts: Leaching (pedology), Sulfuric acid, Vanadium, Chemistry, Coal, Lixiviant, Inorganic chemistry, Metallurgy

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