Clean separation method for bastnaesite (bastnasite)
A bastnaesite and bastnasite technology, which is applied in the field of bastnaesite (naestite) cleaning and separation method, can solve the problems of low equipment utilization efficiency, great difficulty, pollute the environment, etc. The effect of product value
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
Specific Example 1
[0030] The method for cleaning and separating bastnaesite (naestite) includes the following steps:
[0031] D. During roasting, bastnaesite, bastnasite and activator are added
[0032] E, carry out hydrochloric acid dissolution to the concentrate after roasting;
[0033] F. Separate the dissolved rare earth solution and slag;
[0034] G. In the process of separation, cerium fluoride and cerium oxyfluoride are separated
[0035] The active agent is 98% sulfuric acid, and the added amount is 0.08% of the amount of hydrochloric acid. The method of adding is first or simultaneously, and the content of cerium in the cerium-less lanthanum-rich rare earth chloride after excellent dissolution is 6-18%. The content of cerium in cerium fluoride and cerium oxyfluoride is not less than 90-95%.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap