Evaporaton Ponds. In this process, water is forced through a permeable filter, causing the concentration of salt to increase as the water is pushed out. If you need to touch the hot pot or pan, be sure to use an oven mitt or a towel to protect yourself. permeable membrane, leaving the salt behind. I failed to separate the salt, but separated hydrogen from the water. For instance, you can use it to poach an egg, boil potatoes, preserve spinach, and even help you peel nuts! Evaporation works the same way as distillation, just at a slower rate. this renders reverse osmosis unsuitable for sea water purification. ", "I learned new stuff like chain reactions and chemical reactions. ", "The steps. The oldest method, thermal Performing a Basic Evaporation Experiment, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/9f\/Separate-Salt-from-Water-Step-1-Version-2.jpg\/v4-460px-Separate-Salt-from-Water-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/9\/9f\/Separate-Salt-from-Water-Step-1-Version-2.jpg\/aid750803-v4-728px-Separate-Salt-from-Water-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"