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  2. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    Boiling does not remove most pollutants and does not leave any residual protection. The WHO states bringing water to rolling boil then naturally cooling is sufficient to inactivate pathogenic bacteria, viruses and protozoa. [8] The CDC recommends a rolling boil for 1 minute. At high elevations, though, the boiling point of water drops.

  3. Flameless ration heater - Wikipedia

    en.wikipedia.org/wiki/Flameless_ration_heater

    To heat a meal, the bag is first torn open, and a sealed food pouch is placed inside. About 1 US fluid ounce (30 mL) of water is then added to the bag, using the line printed on the bag as a marker. The chemical reaction begins immediately, and takes about 12 to 15 minutes to heat a food pouch to about 60 °C (140 °F).

  4. Boiler feedwater - Wikipedia

    en.wikipedia.org/wiki/Boiler_feedwater

    Boiler feedwater is the water which is supplied to a boiler. The feed water is put into the steam drum from a feed pump. In the steam drum the feed water is then turned into steam from the heat. After the steam is used, it is then dumped to the main condenser. From the condenser, it is then pumped to the deaerated feed tank.

  5. Electric water boiler - Wikipedia

    en.wikipedia.org/wiki/Electric_water_boiler

    Japanese Zojirushi brand "Thermo Pot" electric kettle hot water dispenser Wall mounted, unpressurized electric boiler with 5 liters maximum capacity. An electric water boiler, also called a thermo pot or tea urn [1] in British English, is a consumer electronics small appliance used for boiling water [2] [3] and maintaining it at a constant temperature in an enclosed reservoir.

  6. Canning - Wikipedia

    en.wikipedia.org/wiki/Canning

    Foods that must be pressure canned include most vegetables, meat, seafood, poultry, and dairy products. The only foods that may be safely canned in an ordinary boiling water bath are highly acidic ones with a pH below 4.6, such as fruits, pickled vegetables, or other foods to which acidic additives have been added. Although an ordinary boiling ...

  7. Zip Industries - Wikipedia

    en.wikipedia.org/wiki/Zip_Industries

    Prior to 1962, Zip focused primarily on water heaters for kitchens and hot water heaters for bathrooms. Zip began manufacturing and marketing in Australia from about 1947. An early Zip innovation was a manually operated over-sink boiling water heater with a "ready whistle" and automatic cut-off, which became a popular fixture in Australian restaurants and community kitchens during the 1950s ...

  8. Industrial water treatment - Wikipedia

    en.wikipedia.org/wiki/Industrial_water_treatment

    External treatment of raw water supplies intended for use within a boiler is focused on removal of impurities before they reach the boiler. Internal treatment within the boiler is focused on limiting the tendency of water to dissolve the boiler, and maintaining impurities in forms least likely to cause trouble before they can be removed from ...

  9. Meal, Ready-to-Eat - Wikipedia

    en.wikipedia.org/wiki/Meal,_Ready-to-Eat

    After the introduction of the MRE, service members often heated the food by boiling them in a canteen cup over a lit fuel source. This was slow, especially in cold weather. It also produced a visible flame that was undesirable at night. Service members strongly desired a more convenient way to heat the food.

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