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  2. Evaporator (marine) - Wikipedia

    en.wikipedia.org/wiki/Evaporator_(marine)

    The distillation system for boiler feedwater at this time was usually termed an evaporator, partly to distinguish it from a separate system or distiller used for drinking water. Separate systems were often used, especially in early systems, owing to the problem of contamination from oily lubricants in the feedwater system and because of the ...

  3. Degassing - Wikipedia

    en.wikipedia.org/wiki/Degassing

    The ketyl radical from sodium and benzophenone can also be used for removing both oxygen and water from inert solvents such as hydrocarbons and ethers; the degassed solvent can be separated by distillation. The latter method is particularly useful because a high concentration of ketyl radical generates a deep blue colour, indicating the solvent ...

  4. Boiler feedwater - Wikipedia

    en.wikipedia.org/wiki/Boiler_feedwater

    The water then falls to the steam scrubber where the slight pressure loss causes the water to flash a little bit which also aids the removal of oxygen and non-condensables. The water then overflows to the storage tank. The gases are then vented to the atmosphere. With vacuum deaeration a vacuum is applied to the system and water is then brought ...

  5. Deaerator - Wikipedia

    en.wikipedia.org/wiki/Deaerator

    The treated water falls into a storage tank below the deaerator. [20] [3] Oxygen scavenging chemicals are very often added to the deaerated boiler feedwater to remove any last traces of oxygen that were not removed by the deaerator. The type of chemical added depends on whether the location uses a volatile or non-volatile water treatment program.

  6. Automatic bleeding valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_bleeding_valve

    As these need to operate in any orientation, they use a different mechanism rather than a float. The hygroscopic vent system uses hygroscopic cellulose fibre discs. [7] These are small discs of material that expand when wet and shrink if warm and dry. A dry valve acts as an air vent until a dribble of water passes through it and swells the ...

  7. Water cooling - Wikipedia

    en.wikipedia.org/wiki/Water_cooling

    Water is inexpensive, non-toxic, and available over most of the earth's surface.Liquid cooling offers higher thermal conductivity than air cooling. Water has unusually high specific heat capacity among commonly available liquids at room temperature and atmospheric pressure allowing efficient heat transfer over distance with low rates of mass transfer.

  8. Antifreeze - Wikipedia

    en.wikipedia.org/wiki/Antifreeze

    Proper engine coolant and a pressurized coolant system obviate these shortcomings of water. With proper antifreeze, a wide temperature range can be tolerated by the engine coolant, such as −34 °F (−37 °C) to +265 °F (129 °C) for 50% (by volume) propylene glycol diluted with distilled water and a 15 psi pressurized coolant system.

  9. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    In the U.S., every plumbing fixture must also be coupled to the system's vent piping. [1] Without a vent, negative pressure from water leaving the system can slow flow (resulting in clogs) or cause a siphon to empty a trap. The high point of the vent system (the top of its "soil stack") must be open to the exterior at atmospheric pressure.

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