Trickling Filters & Fixed-Film Processes
10 questions · ~11 minutes · instant grading with full explanations
- 01
A typical active biofilm thickness on the surface of trickling filter media is approximately:
- 02
Recirculating final effluent back over the filter primarily improves performance by:
- 03
Compared with a standard-rate trickling filter, a high-rate filter typically shows:
- 04
Filter flies (Psychoda) breeding in a trickling filter are best controlled by:
- 05
The term 'sloughing' in a trickling filter refers to:
- 06
A roughing trickling filter is designed to:
- 07
A nitrifying trickling filter (NTF) is designed to:
- 08
Compared with rock media, modern plastic/synthetic trickling-filter media offers:
- 09
The secondary clarifier downstream of a trickling filter mainly:
- 10
Compared with activated sludge, trickling filters are attractive because they tend to:
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