Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
권호 표지
DOI QR코드

DOI QR Code

Effects of Vanadate Solution Property on the Precipitation of Ammonium (Meta, Poly)Vanadate

바나데이트 수용액 특성이 암모늄(메타, 폴리)바나데이트 침전에 미치는 영향

  • Ho-Sung Yoon (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Seo Jin Heo (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Yujin Park (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Rina Kim (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Chul-Joo Kim (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Kyeong Woo Chung (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Hong In Kim (Resources Utilization Division, Korea Institute of Geoscience & Mineral Resources)
  • 윤호성 (한국지질자원연구원 자원활용연구본부) ;
  • 허서진 (한국지질자원연구원 자원활용연구본부) ;
  • 박유진 (한국지질자원연구원 자원활용연구본부) ;
  • 김리나 (한국지질자원연구원 자원활용연구본부) ;
  • 김철주 (한국지질자원연구원 자원활용연구본부) ;
  • 정경우 (한국지질자원연구원 자원활용연구본부) ;
  • 김홍인 (한국지질자원연구원 자원활용연구본부)
  • Received : 2023.05.26
  • Accepted : 2023.06.14
  • Published : 2023.06.30
Download PDF
⟨ Previous Next ⟩

Abstract

Good control of the solution pH and temperature is required to recover vanadium from the water leaching solution of vanadium ore after sodium roasting. However, such adjustments could lead to aluminum-vanadium and sodium-vanadium co-precipitation, which greatly affects the efficiency of vanadium recovery. In this study, a process that can increase the efficiency of vanadium recovery as ammonium metavanadate [NH4VO3] and ammonium polyvanadate [(NH4)2V6O16·H2O] was investigated by examining the characteristics of vanadium-containing aqueous solutions during precipitation. The aluminum content of vanadium-containing water leaching solutions has a great effect on the loss of vanadium when the pH of the aqueous solution is adjusted to 9. Therefore, a process to minimize aluminum leaching is also required. In this study, ~99% or more of vanadium present in vanadium-containing aqueous solutions was precipitated and recovered as NH4VO3 by adding 3 equivalents of ammonium chloride relative to the vanadium content at pH 9 and room temperature. (NH4)2V6O16·H2O was precipitated from the aluminum-vanadium coprecipitates generated during the pH-adjustment of the aqueous solutions to 9 by dissolving the coprecipitate in the solutions at pH 2.5 and controlling their sodium content to 2,000 mg/L or less. Approximately, 98% or more of the available (NH4)2V6O16·H2O could be precipitated and recovered from a solution with a vanadium content of 2,200 mg/L and a sodium content of 1,875 mg/L at pH 2.5 by adding approximately 3 equivalents of ammonium chloride relative to the vanadium content at 95℃ or higher. The overall process could precipitate and recover, approximately 91% or more of the total vanadium in the water leaching solution as NH4VO3 and (NH4)2V6O16·H2O.

바나듐광 염배소 산물의 수침출 용액으로부터 바나듐을 회수하기 위해서는 수용액의 pH 와 온도 조절 과정이 필요한데, 이 과정에서 알루미늄-바나듐, 소듐-바나듐 공침이 일어나면서 바나듐 회수율에 큰 영향을 미친다. 그러므로 본 연구에서는 바나듐을 회수하기 위한 암모늄메타바나데이트[NH4VO3], 암모늄폴리바나데이트[(NH4)2V6O16·H2O] 침전 과정에서 바나듐 함유 수용액 특성이 이들의 침전에 미치는 영향을 검토하여 바나듐 회수율을 높일 수 있는 회수공정에 대하여 알아보았다. 바나듐 함유 수침출 용액으로부터 암모늄메타바나데이트를 침전시키기 위하여 수용액 pH 9로 조절하는 과정에서 수용액의 알루미늄 함량은 바나듐의 손실에 많은 영향을 미치며, 따라서 수침출 과정에서 알루미늄 침출을 최소화 하는 과정이 필요하다. 수용액 pH 9, 상온에서 바나듐 함량 대비 3당량의 염화암모늄 첨가에 의하여 수용액에 존재하는 바나듐의 약 99% 이상을 암모늄메타바나데이트를 침전회수하였다. 또한 수용액 pH 9로 조절하는 과정에서 발생하는 알루미늄-바나듐 공침전물로부터 암모늄폴리바나데이트 침전를 위해서는 pH 2.5 수용액에 용해시키고, 수용액의 소듐 함량은 2,000 mg/L이하로 조절되어야 한다. 바나듐 함량 2,200 mg/L, 소듐 함량 1,875 mg/L인 수용액 pH 2.5, 온도 95℃ 이상에서 바나듐 함량 대비 약 3당량의 염화암모늄 첨가에 의하여 98% 이상의 암모늄폴리바네데이트를 침전회수하였다. 이와 같은 일괄공정 조건에서 수침출용액의 바나듐 함량 대비 약 91.2% 이상의 바나듐을 암모늄(메타, 폴리)바나데이트로 침전회수하였다.

Keywords

Acknowledgement

본 연구는 한국지질자원연구원 주요사업인 '국내 부존 바나듐(V) 광물자원 선광/제련/활용기술 개발(GP2022-010, 23-3212-1)'과제의 지원을 받아 수행되었습니다

References

  1. Burwell, B., 1961 : Extractive metallurgy of vanadium, JOM, 13(8), pp.562-566. https://doi.org/10.1007/BF03378099
  2. Shlewit, H. and Alibrahim, M., 2006 : Extraction of sulfur and vanadium from petroleum coke by means of salt-roasting treatment, Fuel, 85(5-6), pp.878-880. https://doi.org/10.1016/j.fuel.2005.08.036
  3. Moskalyk, R. R. and Alfantazi, A. M., 2003 : Processing of vanadium: a review, Minerals Engineering, 16(9), pp. 793-805. https://doi.org/10.1016/S0892-6875(03)00213-9
  4. Agarwal, D. C., Nigam, P. C. and Srivastava, R. D., 1978 : Kinetics of vapor phase oxidation of methyl alcohol over supported V2O5 K2SO4 catalyst, Journal of Catalysis, 55(1), pp.1-9. https://doi.org/10.1016/0021-9517(78)90180-X
  5. Mandhane, P. G., Joshi, R. S., Ghawalkar, A. R., et al., 2009 : Ammonium metavanadate: A mild and efficient catalyst for the synthesis of coumarins, Bulletin of the Korean Chemical Society, 30(12), pp.2969-2972. https://doi.org/10.5012/BKCS.2009.30.12.2969
  6. Arya, A., Tripathy, P. K. and Bose, D. K., 1994 : Thermal decomposition of ammonium metavanadate in a fluidized bed reactor, Thermochimica Acta, 244, pp.257-265. https://doi.org/10.1016/0040-6031(94)80225-4
  7. Navarro, R., Guzman, J., Saucedo, I., et al., 2007 : Vanadium recovery from oil fly ash by leaching, precipitation and solvent extraction processes, Waste Management, 27(3), pp.425-438. https://doi.org/10.1016/j.wasman.2006.02.002
  8. He, D., Feng, Q., Zhang, G., et al., 2007 : An environmentally-friendly technology of vanadium extraction from stone coal, Minerals Engineering, 20(12), pp.1184-1186. https://doi.org/10.1016/j.mineng.2007.04.017
  9. Yoon, H. S., Heo, S. J., Kim, C. J., et al., 2020 : Precipitation Characteristics of Ammonium Metavanadate from Sodium Vanadate Solution by Addition of Ammonium Chloride, Journal of the Korean Institute of Resources Recycling, 29(5), pp.28-37. https://doi.org/10.7844/kirr.2020.29.5.28
  10. Xiong, P., Zhang, Y., Bao, S., et al, 2018 : Precipitation of vanadium using ammonium salt in alkaline and acidic media and the effect of sodium and phosphorus, Hydrometallurgy, 180, pp.113-120. https://doi.org/10.1016/j.hydromet.2018.07.014
  11. Li, X., Deng, Z., Wei, C., et al., 2015 : Solvent extraction of vanadium from a stone coal acidic leach solution using D2EHPA/TBP: Continuous testing, Hydrometallurgy, 154, pp,40-46. https://doi.org/10.1016/j.hydromet.2014.11.008
  12. Park, Y., Kim, R., Kim, M. S., et al., 2022 : The water leaching behavior of vanadium from a salt-roasted VTM concentrate and the preparation of high-concentration vanadium solution, Resources Recycling, 31(2), pp.56-62. https://doi.org/10.7844/kirr.2022.31.2.56
  13. Wen, Y., Mao, Y., Kang, Z., et al., 2019 : Application of an ammonium ion-selective electrode for the real-time measurement of ammonia nitrogen based on pH and temperature compensation, Measurement, 137, pp.98-101. https://doi.org/10.1016/j.measurement.2019.01.031
  14. Gladyshev, S. V., Akcil, A., Abdulvaliyev, R. A., et al., 2015 : Recovery of vanadium and gallium from solid waste by-products of Bayer process, Minerals Engineering, 74, pp.91-98. https://doi.org/10.1016/j.mineng.2015.01.011
  15. Yoon, H. S., Heo, S. J., Park, Y. J., et al., 2022 : Recovery process of vanadium from the leaching solution of salt-roasted vanadate ore, Resources Recycling, 31(2), pp.40-48. https://doi.org/10.7844/KIRR.2022.31.2.40
  16. Blangenois, N., Florea, M., Grange, P., et al., 2004 : Influence of the co-precipitation pH on the physicochemical and catalytic properties of vanadium aluminum oxide catalyst, Applied Catalysis A: General, 263(2), pp.163-170. https://doi.org/10.1016/j.apcata.2003.12.008
  17. Chithaiah, P., Nagabhushana, G. P., Nagaraju, G., et al., 2014 : Synthesis of single crystalline (NH4) 2V6O16·1.5H2O nest-like structures, Physica E: Low-Dimensional Systems and Nanostructures, 59, pp.218-222. https://doi.org/10.1016/j.physe.2013.12.022
  18. Heo, S. J., Kim, R., Chung, K. W., et al., 2021 : Effect of Precipitation Temperature and Solution pH on the Precipitation of Ammonium Metavanadate, Resources Recycling, 30(6), pp.3-11. https://doi.org/10.7844/KIRR.2021.30.6.3
  19. Li, W., Niu, Z., Zhu, X., 2021 : Recovery of iron by jarosite crystallization and separation of vanadium by solvent extraction with extractant 7101 from titanium white waste liquid (TWWL), Water Science and Technology, 83(8), pp.2025-2037. https://doi.org/10.2166/wst.2021.114