In the Bayer Process, the Purpose of Lowering the PH

question 108

Multiple Choice

In the Bayer process, the purpose of lowering the pH after the digested ore has been filtered is
)

• A) the dissolve the remaining ore
• B) to precipitate the iron oxide
• C) to precipitate the aluminum hydroxide
• D) to precipitate the iron hydroxide
• E) to dissolve the remaining impurities

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