Distinguish between internal and external conditioning of water.
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Answer: External treatment is the reduction or removal of impurities from water outside the boiler. Internal treatment is the conditioning of impurities within the boiler system. The reactions occur either in the feed lines or in the boiler proper. Internal treatment may be used alone or in conjunction with external treatment.
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Internal treatment may be used alone or in conjunction with external treatment.
External treatment is the reduction or removal of impurities from water outside the boiler. ... Internal treatment is the conditioning of impurities within the boiler system. The reactions occur either in the feed lines or in the boiler proper
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