What improper operation can lead to algae growth or sludge buildup that can foul process equipment?
A) Excess blowdown
B) Circulating cooling water through a heat exchanger with ruptured tubes
C) Formation of ice-fog when operating in cold climates
D) Improper /incorrect treatment of cooling water chemically
Answer: D
Explanation: A) Incorrect. Improper valve operation can lead to pump damage because of "deadheading" or improper feed-water supply.
B) Incorrect. Circulating cooling water through a heat exchanger with ruptured tubes can lead to tower contamination.
C) Incorrect. Improper /incorrect treatment of cooling water chemically can lead to algae growth or sludge buildup that can foul process equipment.
D) Correct. Improper /incorrect treatment of cooling water chemically can lead to algae growth or sludge buildup that can foul process equipment.
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