Application of Grey-Taguchi method for optimizing acid leaching step in Zircon alkali fusion process
Alkali fusion with NaOH is the most commonly used method for the extraction of zirconium from zircon sand. In the alkali fusion process, the acid leaching step has a great influence on the zirconium recovery and purity of the final product. In this study, the Grey-Taguchi method was utilized to find...
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Nuclear Science and Technology Research Institute
2020-11-01
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| Series: | مجله علوم و فنون هستهای |
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| Online Access: | https://jonsat.nstri.ir/article_1153_ee1ddd5b6058314d44eb939ef6c879fd.pdf |
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| author | A. Yadollahi K. Saberyan M. Torab Mostaedi A. Charkhi |
| author_facet | A. Yadollahi K. Saberyan M. Torab Mostaedi A. Charkhi |
| author_sort | A. Yadollahi |
| collection | DOAJ |
| description | Alkali fusion with NaOH is the most commonly used method for the extraction of zirconium from zircon sand. In the alkali fusion process, the acid leaching step has a great influence on the zirconium recovery and purity of the final product. In this study, the Grey-Taguchi method was utilized to find the optimum conditions of the acid leaching process. In order to apply this method, acid type, acid concentration, leaching temperature, and liquid/solid ratio were selected as control factors with responses of zirconium recovery and R=Si/Zr ratio. The results demonstrated that the optimum condition for acid leaching requires 4 mol/L sulfuric acid with a liquid/solid ratio of 20 at 60 °C. Zirconium recovery and Si/Zr ratio (R) under these optimum conditions were 92.73% and 0.0018, respectively. Also, the silica content in the acid leaching solution was 30.94 ppm. The results of this research suggest facile, low price, and proper method comparing to the carbochlorination method for recovery of zirconium from zircon mineral. |
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| format | Article |
| id | doaj.art-25e0a6414c5b4f4c887e94a711dc7c2d |
| institution | Directory Open Access Journal |
| issn | 1735-1871 2676-5861 |
| language | fas |
| last_indexed | 2025-03-21T21:36:30Z |
| publishDate | 2020-11-01 |
| publisher | Nuclear Science and Technology Research Institute |
| record_format | Article |
| series | مجله علوم و فنون هستهای |
| spelling | doaj.art-25e0a6414c5b4f4c887e94a711dc7c2d2024-05-27T13:00:29ZfasNuclear Science and Technology Research Instituteمجله علوم و فنون هستهای1735-18712676-58612020-11-0141312112910.24200/nst.2020.11531153Application of Grey-Taguchi method for optimizing acid leaching step in Zircon alkali fusion processA. Yadollahi0K. Saberyan1M. Torab Mostaedi2A. Charkhi3Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, AEOI, P.O.Box: 11365-8486, Tehran – IranNuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, AEOI, P.O.Box: 11365-8486, Tehran – IranNuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, AEOI, P.O.Box: 11365-8486, Tehran – IranNuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, AEOI, P.O.Box: 11365-8486, Tehran – IranAlkali fusion with NaOH is the most commonly used method for the extraction of zirconium from zircon sand. In the alkali fusion process, the acid leaching step has a great influence on the zirconium recovery and purity of the final product. In this study, the Grey-Taguchi method was utilized to find the optimum conditions of the acid leaching process. In order to apply this method, acid type, acid concentration, leaching temperature, and liquid/solid ratio were selected as control factors with responses of zirconium recovery and R=Si/Zr ratio. The results demonstrated that the optimum condition for acid leaching requires 4 mol/L sulfuric acid with a liquid/solid ratio of 20 at 60 °C. Zirconium recovery and Si/Zr ratio (R) under these optimum conditions were 92.73% and 0.0018, respectively. Also, the silica content in the acid leaching solution was 30.94 ppm. The results of this research suggest facile, low price, and proper method comparing to the carbochlorination method for recovery of zirconium from zircon mineral.https://jonsat.nstri.ir/article_1153_ee1ddd5b6058314d44eb939ef6c879fd.pdfzirconalkali fusionacid leachinggrey-taguchi method |
| spellingShingle | A. Yadollahi K. Saberyan M. Torab Mostaedi A. Charkhi Application of Grey-Taguchi method for optimizing acid leaching step in Zircon alkali fusion process مجله علوم و فنون هستهای zircon alkali fusion acid leaching grey-taguchi method |
| title | Application of Grey-Taguchi method for optimizing acid leaching step in
Zircon alkali fusion process |
| title_full | Application of Grey-Taguchi method for optimizing acid leaching step in
Zircon alkali fusion process |
| title_fullStr | Application of Grey-Taguchi method for optimizing acid leaching step in
Zircon alkali fusion process |
| title_full_unstemmed | Application of Grey-Taguchi method for optimizing acid leaching step in
Zircon alkali fusion process |
| title_short | Application of Grey-Taguchi method for optimizing acid leaching step in
Zircon alkali fusion process |
| title_sort | application of grey taguchi method for optimizing acid leaching step in zircon alkali fusion process |
| topic | zircon alkali fusion acid leaching grey-taguchi method |
| url | https://jonsat.nstri.ir/article_1153_ee1ddd5b6058314d44eb939ef6c879fd.pdf |
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