Enhancements    

Extraction and Recovery of Yttrium and Rare Earth Elements

Extraction and Recovery of Yttrium and Rare Earth Elements
Inventors: Nicholas Pingitore
Patent No. 9,890,441

Description:
This patent extracts and recovers yttrium and other rare earth elements using direct acid leaching and heap leaching. The global demand for rare earth elements is ever increasing. These elements cannot be substituted by any other metals or synthetic substitutes because of its unique characteristics.

Abstract:
Methods for extraction and recovery of rare earth elements are disclosed. In one aspect, heap leaching with a leach solution comprising sulfuric acid is used to extract rare earth elements including yttrium and light and heavy rare earth elements.

Issue Date: 02/13/2018
Application Date: 11/13/2015
Post Date: 02/28/2018

UTEP Docket No: 2015-039