The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?
Correct answer: B. Sand
- A. Vacuum
- B. Sand
- C. Plate & frame
- D. Rotary
Explanation
A sand filter can handle very large water volumes and retain small quantities of suspended precipitate at relatively low operating cost. Plate-and-frame and rotary filters are more suitable when a recoverable filter cake is present in appreciable quantity.
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