Simple distillation: This is good for separating a liquid from a solution. The answer is simple — evaporation. You need to use heat and evaporation in order to separate salt from water. Pumps can be somewhat expensive, usually running several hundred dollars. A chemical method of separating salt and water involves adding decanoic acid to salt water. For instance, you can use it to poach an egg, boil potatoes, preserve spinach, and even help you peel nuts! Removing the salt from sea water, … Meredith Juncker is a PhD candidate in Biochemistry and Molecular Biology at Louisiana State University Health Sciences Center. References. ", "I will use either the 1st or the 2nd option for my science fair project! sanitation, and electricity generation, among others, require A gallon of seawater will leave you with about one salt shaker full of salt. Her studies are focused on proteins and neurodegenerative diseases. Continue boiling the water until most of the water has evaporated and you’re left with a thick paste. If you need to touch the hot pot or pan, be sure to use an oven mitt or a towel to protect yourself. will become an increasingly important source of useable water. Am. This water doesn't contain salt, so all we need to do is gather it to have salt-free water. Near the sea-shore, the sea water is collected in shallow pits and allowed to evaporate in sunshine. However, oceans, population are located near sources of useable water. Answer: Sea water contains many salts mixed in it. I filter the water first, then separate it into several pans on the stove. Sorry to tell you, but teachers are human and not always correct. These systems are used primarily in waters with low total dissolved solids (TDS). Evaporaton Ponds. ThoughtCo uses cookies to provide you with a great user experience. water daily. distillation, the water is boiled and then the steam is collected, Be careful whenever you're boiling water on the stove. Probably the easiest method to separate the two substances is to dissolve salt in water, pour the liquid away from the sand, and then evaporate the water to recover the salt. You've just made distilled water. Another way to prevent getting this page in the future is to use Privacy Pass. So this specific thing actually doesn't have to do anything with chemistry at all, it's just the salt, water, and heat that are chemistry-related. Evaporation works the same way as distillation, just at a slower rate. You can speed up the process by raising the temperature or by blowing dry air over the surface of the liquid. The easiest way is to find the saltiest water possible and distill it. The reason hot water is best for dissolving salt (and other chemicals) has to do with the motion of the molecules making up the water. As shown with unusual methods, there are other ways to remove salt from water, such as Reverse Osmosis, Electrodialysis, or Decanoic Acid. Cloudflare Ray ID: 5f889ab50f88324c Seawater is a natural and easily accessed source of salt. content reduced or eliminated) before it can be used. ", "I had an assignment to find out how salt and water can separated, and I learned even more! Call our LearnNext Expert on 1800 419 1234 (tollfree) OR submit details below for a call back. Several years [3]. You can boil or evaporate the water and the salt will be left behind as a solid. This article has been viewed 218,281 times. An Overview of Commercial Lithium Production, The Difference Between Distilled and Deionized Water, Salinity: Definition and Importance to Marine Life, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College.

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