| 21. | Feed water for the boilers was taken from the Blaydon Burn, upon which the station was built.
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| 22. | The desalinated water purity is a function of the feed water salinity, membrane selection and recovery ratio.
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| 23. | The forced circulation boiler begins the same as a natural circulation boiler, at the feed water pump.
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| 24. | Land-based steam engines could simply exhaust much of their steam, as feed water was usually readily available.
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| 25. | Quakes can shake loose particles and debris that clog rock channels that feed water to a geyser.
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| 26. | The steam cools and condenses against the heat exchanger tubes, thereby heating the feed water as described earlier.
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| 27. | Water capacities were 68 tons of fresh, 18 tons of distilled and 314 tons of boiler feed water.
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| 28. | Like the cooling water, the boiler feed water is also purged regularly, to prevent dissolved solids building up.
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| 29. | Up to 80 % of the feed water input can be recovered as fresh water, depending on feed salinity.
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| 30. | The feed water carries away the latent heat of the condensed steam, maintaining the low temperature of the stage.
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