ajackson7226 ajackson7226
  • 26-03-2024
  • Biology
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Biological treatment processes have some common problems. Which of the following is not a problem for ponds, trickling filters, and rotating biological contactors when compared with activated sludge processes?
a. can remove less biochemical oxygen demand (BOD)
b. temperature sensitive
c. can cost more to build
d. can cost more to operate

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