Reduction of TiS2 by OS process in CaCl2 melt

N. Suzuki; M. Tanaka; H. Noguchi; S. Natsui; T. Kikuchi; R. O. Suzuki

doi:10.1149/07515.0507ecst

Reduction of TiS₂ by OS process in CaCl₂ melt

N. Suzuki, M. Tanaka, H. Noguchi, S. Natsui, T. Kikuchi, R. O. Suzuki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

8 Citations (Scopus)

Abstract

TiS₂ was reduced using molten salt electrolysis. At 1173 K in CaCl₂-0.5mol% CaS melt, the concentration of sulfur initially decreased significantly. 0.043 mass% S was obtained when the stoichiometric electric charge Q₀ was supplied, and 0.01 mass% S was achieved when Q = 4Q₀. Only α-Ti was identified by XRD at Q ≥ Q₀. Metallic Ti and its lower oxides were identified at Q = Q₀, but no lower sulfide could be found. It is possible to achieve excellent sulfur removal to a minimum concentration at a larger Q, and the use of TiS2 is promising for a new process for titanium refining.

Original language	English
Title of host publication	Molten Salts and Ionic Liquids 20
Editors	M. Carter, F. Endres, E. J. Biddinger, M. Reichert, A. Ispas, H. C. De Long, A. Bund, L. M. Haverhals, R. A. Mantz, P. C. Trulove, D. M. Fox, A. H. Suroviec, M. Ueda
Publisher	Electrochemical Society Inc.
Pages	507-515
Number of pages	9
Edition	15
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/07515.0507ecst
Publication status	Published - 2016 Jan 1
Externally published	Yes
Event	Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting - Honolulu, United States Duration: 2016 Oct 2 → 2016 Oct 7

Publication series

Name	ECS Transactions
Number	15
Volume	75
ISSN (Print)	1938-5862
ISSN (Electronic)	1938-6737

Other

Other	Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting
Country	United States
City	Honolulu
Period	16/10/2 → 16/10/7

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1149/07515.0507ecst

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Suzuki, N., Tanaka, M., Noguchi, H., Natsui, S., Kikuchi, T., & Suzuki, R. O. (2016). Reduction of TiS₂ by OS process in CaCl₂ melt. In M. Carter, F. Endres, E. J. Biddinger, M. Reichert, A. Ispas, H. C. De Long, A. Bund, L. M. Haverhals, R. A. Mantz, P. C. Trulove, D. M. Fox, A. H. Suroviec, & M. Ueda (Eds.), Molten Salts and Ionic Liquids 20 (15 ed., pp. 507-515). (ECS Transactions; Vol. 75, No. 15). Electrochemical Society Inc.. https://doi.org/10.1149/07515.0507ecst

Reduction of TiS₂ by OS process in CaCl₂ melt. / Suzuki, N.; Tanaka, M.; Noguchi, H.; Natsui, S.; Kikuchi, T.; Suzuki, R. O.

Molten Salts and Ionic Liquids 20. ed. / M. Carter; F. Endres; E. J. Biddinger; M. Reichert; A. Ispas; H. C. De Long; A. Bund; L. M. Haverhals; R. A. Mantz; P. C. Trulove; D. M. Fox; A. H. Suroviec; M. Ueda. 15. ed. Electrochemical Society Inc., 2016. p. 507-515 (ECS Transactions; Vol. 75, No. 15).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Suzuki, N, Tanaka, M, Noguchi, H, Natsui, S, Kikuchi, T & Suzuki, RO 2016, Reduction of TiS₂ by OS process in CaCl₂ melt. in M Carter, F Endres, EJ Biddinger, M Reichert, A Ispas, HC De Long, A Bund, LM Haverhals, RA Mantz, PC Trulove, DM Fox, AH Suroviec & M Ueda (eds), Molten Salts and Ionic Liquids 20. 15 edn, ECS Transactions, no. 15, vol. 75, Electrochemical Society Inc., pp. 507-515, Symposium on Molten Salts and Ionic Liquids 20 - PRiME 2016/230th ECS Meeting, Honolulu, United States, 16/10/2. https://doi.org/10.1149/07515.0507ecst

Suzuki N, Tanaka M, Noguchi H, Natsui S, Kikuchi T, Suzuki RO. Reduction of TiS₂ by OS process in CaCl₂ melt. In Carter M, Endres F, Biddinger EJ, Reichert M, Ispas A, De Long HC, Bund A, Haverhals LM, Mantz RA, Trulove PC, Fox DM, Suroviec AH, Ueda M, editors, Molten Salts and Ionic Liquids 20. 15 ed. Electrochemical Society Inc. 2016. p. 507-515. (ECS Transactions; 15). https://doi.org/10.1149/07515.0507ecst

Suzuki, N. ; Tanaka, M. ; Noguchi, H. ; Natsui, S. ; Kikuchi, T. ; Suzuki, R. O. / Reduction of TiS₂ by OS process in CaCl₂ melt. Molten Salts and Ionic Liquids 20. editor / M. Carter ; F. Endres ; E. J. Biddinger ; M. Reichert ; A. Ispas ; H. C. De Long ; A. Bund ; L. M. Haverhals ; R. A. Mantz ; P. C. Trulove ; D. M. Fox ; A. H. Suroviec ; M. Ueda. 15. ed. Electrochemical Society Inc., 2016. pp. 507-515 (ECS Transactions; 15).

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title = "Reduction of TiS2 by OS process in CaCl2 melt",

abstract = "TiS2 was reduced using molten salt electrolysis. At 1173 K in CaCl2-0.5mol% CaS melt, the concentration of sulfur initially decreased significantly. 0.043 mass% S was obtained when the stoichiometric electric charge Q0 was supplied, and 0.01 mass% S was achieved when Q = 4Q0. Only α-Ti was identified by XRD at Q ≥ Q0. Metallic Ti and its lower oxides were identified at Q = Q0, but no lower sulfide could be found. It is possible to achieve excellent sulfur removal to a minimum concentration at a larger Q, and the use of TiS2 is promising for a new process for titanium refining.",

author = "N. Suzuki and M. Tanaka and H. Noguchi and S. Natsui and T. Kikuchi and Suzuki, {R. O.}",

year = "2016",

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editor = "M. Carter and F. Endres and Biddinger, {E. J.} and M. Reichert and A. Ispas and {De Long}, {H. C.} and A. Bund and Haverhals, {L. M.} and Mantz, {R. A.} and Trulove, {P. C.} and Fox, {D. M.} and Suroviec, {A. H.} and M. Ueda",

booktitle = "Molten Salts and Ionic Liquids 20",

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AU - Suzuki, N.

AU - Tanaka, M.

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AU - Suzuki, R. O.

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N2 - TiS2 was reduced using molten salt electrolysis. At 1173 K in CaCl2-0.5mol% CaS melt, the concentration of sulfur initially decreased significantly. 0.043 mass% S was obtained when the stoichiometric electric charge Q0 was supplied, and 0.01 mass% S was achieved when Q = 4Q0. Only α-Ti was identified by XRD at Q ≥ Q0. Metallic Ti and its lower oxides were identified at Q = Q0, but no lower sulfide could be found. It is possible to achieve excellent sulfur removal to a minimum concentration at a larger Q, and the use of TiS2 is promising for a new process for titanium refining.

AB - TiS2 was reduced using molten salt electrolysis. At 1173 K in CaCl2-0.5mol% CaS melt, the concentration of sulfur initially decreased significantly. 0.043 mass% S was obtained when the stoichiometric electric charge Q0 was supplied, and 0.01 mass% S was achieved when Q = 4Q0. Only α-Ti was identified by XRD at Q ≥ Q0. Metallic Ti and its lower oxides were identified at Q = Q0, but no lower sulfide could be found. It is possible to achieve excellent sulfur removal to a minimum concentration at a larger Q, and the use of TiS2 is promising for a new process for titanium refining.

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