Environment & Ecology · Environmental Engineering
Which of the following correctly compares trickling filters and the activated sludge process?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both trickling filters and activated sludge are suspended-growth systems, but trickling filters require more energy
- 2Both trickling filters and activated sludge are attached-growth systems with similar energy use
- 3Trickling filters are suspended-growth with high energy use, while activated sludge is attached-growth with low energy use
- 4Trickling filters are attached-growth with low energy use, while activated sludge is suspended-growth with high energy use✓
Correct answer
Trickling filters are attached-growth with low energy use, while activated sludge is suspended-growth with high energy use
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