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Occurrence Forms of Zirconium in Beneficiation and Metallurgical Products from an Alkaline Granite Porphyry-type Polymetallic Deposit in Inner Mongolia
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Jia MA1, 2, Chunfeng LI1, 2, Zhichao LIU1, 2, Guang LI1, 2, Yuhui TIAN1, 2, Chen ZHANG1, 2, Shouxun ZHANG1, 2, Xianming HOU1
Hydrometallurgy of China | 2026, 45(3) : 448 - 454
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Hydrometallurgy of China | 2026, 45(3): 448-454
• Experiment Research •
Occurrence Forms of Zirconium in Beneficiation and Metallurgical Products from an Alkaline Granite Porphyry-type Polymetallic Deposit in Inner Mongolia
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Jia MA1, 2, Chunfeng LI1, 2, Zhichao LIU1, 2, Guang LI1, 2, Yuhui TIAN1, 2, Chen ZHANG1, 2, Shouxun ZHANG1, 2, Xianming HOU1
Affiliations
  • 1.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing　101149, China
  • 2.China Nuclear Mining Science and Technology Corporation, CNNC, Beijing　101149, China
Published: 2026-06-20 doi: 10.13355/j.cnki.sfyj.2026.03.021
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To enhance comprehensively recovery efficiency of zirconium resources from polymetallic deposits, and support the development of clean energy, a systematic analysis was conducted on the raw ore, zircon concentrate, tailings, and hydrometallurgical products at different stages from an alkaline granite porphyry-type polymetallic deposit in Inner Mongolia. Multi-techniques, including optical microscopy, SEM-EDS, XRD, and AMICS was used to systematically reveal the occurrence forms and liberation characteristics of zirconium throughout the entire beneficiation and metallurgical process. The research results show that zirconium mainly occurs as independent zircon in the raw ore and processing products, with minor amounts occurring in the form of isomorphic, substituting for Th4+ and U4+ ions and dispersing in carrier minerals such as thorite, pyrochlore, and monazite. Zircon is progressively enriched and liberated during beneficiation, although fine-grained zircon particles are still lost in gravity tailings due to encapsulation or intergrowth. During hydrometallurgical treatment, zircon is converted into Zr compounds via alkali fusion, but some particles remain incompletely reacted or are encapsulated by newly formed siliceous materials, leading to residual zirconium in the acid-leaching residue, either as zircon or zirconium-bearing siliceous compounds. Based on these findings, an improved process of "stage grinding-stage seperation optimization dissolution-enhanced alkali fusion pretreatment" is proposed, providing mineralogical support for optimizing the ore beneficiation and metallurgical process.

polymetallic ore  /  zirconium  /  process mineralogy  /  beneficiation and metallurgy process  /  REE  /  occurrence state
Jia MA, Chunfeng LI, Zhichao LIU, Guang LI, Yuhui TIAN, Chen ZHANG, Shouxun ZHANG, Xianming HOU. Occurrence Forms of Zirconium in Beneficiation and Metallurgical Products from an Alkaline Granite Porphyry-type Polymetallic Deposit in Inner Mongolia[J]. Hydrometallurgy of China, 2026 , 45 (3) : 448 -454 . DOI: 10.13355/j.cnki.sfyj.2026.03.021
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Year 2026 volume 45 Issue 3
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Article Info
doi: 10.13355/j.cnki.sfyj.2026.03.021
  • Receive Date：2026-03-02
  • Online Date：2026-09-11
  • Published：2026-06-20
Article Data
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History
  • Received：2026-03-02
  • Revised：2026-03-19
Funding
Affiliations
    1.Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing　101149, China
    2.China Nuclear Mining Science and Technology Corporation, CNNC, Beijing　101149, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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