Under the pact, the two companies would be separating iron concentrate from red mud and extracting gallium from bayer liquor.
"Extraction of marketable iron concentrate from red mud will be our first R&D project with Chaleico. This will be a major step in extracting value out of red mud, which is otherwise treated as an industrial waste," Nalco CMD T K Chand said.
"On successful completion of the project, the efforts will be commercialised through a demonstration plant," he added.
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