Question

    Which chemical is commonly used in the tertiary treatment process for phosphorus removal?

    A Sodium hypochlorite Correct Answer Incorrect Answer
    B Hydrogen peroxide Correct Answer Incorrect Answer
    C Aluminium sulfate (Alum) Correct Answer Incorrect Answer
    D Calcium carbonate Correct Answer Incorrect Answer

    Solution

    Aluminium sulfate (Alum) is often used in the chemical precipitation process to remove phosphorus by forming an insoluble precipitate called aluminium phosphate.

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