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MEI Online: Plant Operation News: North America: May 30th 2012


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:: DNI Teams up with CANMET for Expanded Leaching And REE Separation Testwork

DNI Metals Inc. is pleased to announce that it has teamed up with CANMET Mining and Minerals Science Laboratories, Ottawa, to collaborate on conducting testwork toward the commercialization of a heap leaching process for DNIís polymetallic black shales at its northern Alberta Property.

Testwork to start shortly, which is being partly funded by DNI, will expand on prior leaching and bioleaching work completed by DNI to optimize leaching parameters toward enhanced metals recoveries from larger samples than previously tested.

The collaborative work will also specifically focus on identifying, testing and formulating refining procedures for separation of the various Rare Earth Elements (REE) from the leaching solution into saleable end-products. Process technologies from Chinese ionic clay adsorbed REE ores will be used as a model for this work.

Samples to be tested include mineralized polymetallic shale from DNIís Buckton inferred resource, in addition to overburden cover rocks overlying it which are also black shales which are mineralized with REEs and Specialty Metals (eg: Lithium, Scandium, Thorium).

In a statement Mr.S.Sabag, DNIís president & CEO, commented: "We are pleased to collaborate with a high caliber organization such as CANMET which brings considerable expertise to the project and a solid track record of innovative development and application of a variety of leaching, bioleaching and ore processing methods. This is another significant step in continuing the systematic advance of our polymetallic Alberta black shale Property."




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