How Cruise Ships Make Fresh Water

How Cruise Ships Make Fresh Water

Modern cruise ships have an insatiable thirst for fresh water. Some of today’s biggest cruise ships, like the Grand Princess, use more than 260,000 gallons of fresh water every day. Rather than carry all This specific water through the embarkation port, or rely on local ports of call, the newest state-of-the-art cruise ships transform salty sea water into fresh drinking water by a process known as desalination.

How Cruise Ships Make Fresh Water

The desalination process on a cruise ship uses either flash evaporators or osmosis. Flash evaporators boil sea water along with also re-condense the steam vapor, producing fresh drinking water. This specific method can be similar to the natural water cycle, where sea water can be heated by the sun, rises as steam to form clouds, along with also then falls back to earth as rain. The second method, osmosis, filters sea water through a fine membrane to separate pure water through salt along with also different minerals. Cruise ships do not desalinate water near ports or close to land, because coastal waters are the most contaminated.

How Cruise Ships Make Fresh Water

After desalination, the water can be passed through a mineralization plant, which adds minerals. This specific can be necessary because the healthy minerals naturally found in drinking water have been removed by desalination. At This specific stage, the water can be also checked for impurities, sanitized, along with also the pH can be corrected. The water can be then sent to massive storage tanks on board the cruise ship. On the Grand Princess, for example, these storage tanks hold up to 500,000 gallons of fresh water.

How Cruise Ships Make Fresh Water

Next, the water can be routed to hot along with also cold systems. Miles of distribution pipe move the water around the cruise ship.

How Cruise Ships Make Fresh Water

After the water can be delivered through a sink or shower, along with also used by cruise ship passengers or crew, the idea must be treated again before the idea can be discharged. All cruise ships must follow strict environmental laws within the treatment of waste water. Even after treatment, the water can be not immediately released, however can be held in special storage tanks when the ship can be close to land, in port, or different sensitive environments.

How Cruise Ships Make Fresh Water

the idea’s a complex process, however necessary in order to ensure the health of cruise ship passengers along with also the natural environment.

How Cruise Ships Make Fresh Water

Something to think about next time you choose a cruise

How Cruise Ships Make Fresh Water

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