4
For screening the waste water, following screens are mostly frequently use
(A) . Rotary screen
(B) . Vibratory screen
(C) .Air screen filters
(D) . Static screen
Choose the correct answer from the options given below:
EXPLANATION
Plant Location & Layout Optimization
- Wastewater Screening Equipment in Food Processing Plants:
- Screening is the initial physical unit operation for removing coarse gross suspended solids, skins, and pomace:
- Rotary drum screens: Rotating cylindrical perforated or wedge-wire drums that continuously dewater solids with internal flighting.
- Vibratory screens: High-frequency oscillating decks with woven mesh screens for rapid liquid-solid separation.
- Static parabolic screens: Gravity-fed stationary run-down wedge-wire screens with no moving parts.
- (C) Air screen filters are pneumatic seed/grain cleaners, not liquid wastewater screens.
- Conclusion: (A), (B) and (D) only (Option 1).
Correct option: (1) (A), (6) and (D) only.
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