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The zeolite process cannot be used on water that is

  • A.turbid or acidic
  • B.high in permanent hardness
  • C.high in temporary hardness
  • D.at a temperature below 20 degrees

Answer: A

Suspended matter blocks the bed and acid attacks the alumino-silicate structure irreversibly, so both must be dealt with before the water reaches it. Its inability to remove anions or to reduce the dissolved solids is a separate limitation.

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