How can you get pure water from sea water?

Answer 1

The absolute best way to purify water is to boil it for a period of time (suggested time is 15-20 minutes). The high temperatures will ensure that 99.9% harmful bacteria living in the water will die.

Answer 2

There are a great number of methods, the simpler is by evaporation. You put salt water into a first container that you connect with a second contained by a curved duct.

You heat the first container so to cause water evaporation. Since salt does not evaporate (in reality it evaporate in a very small quantity transported by water molecules) almost only water vapor is present in the duct. Near the second container you cool the duct so to condense the water vapor and causes an almost pure stream of water to reach the second container.

Another more sophisticated method is by ions electrical elimination. Since salt is present in form of Na+ and Cl- ions in water, if you put salt water in a container where an electrical field is resent you causes positive ions to deposit on the negative electrode and positive ions on the negative one. If you remove the deposited ions from the electrodes (for example by continuously renewing the electrodes cover) you remove ions from water up to obtain pure water.

A third, even more sophisticated methods, is to put heavy and charged particles into salt water. The particles deposit on the container floor and attracts all the ions (if the overall charge is sufficient). Also in this case, to avoid shielding, the neutralized particles have to be progressively renewed up to the moment when all ions are fixed. At this point water can be filterer to eliminate the big particles and obtain pure water.

Answer 3

Simply put water into a lab tube put a bung in the top. On the other end of the bung put a beaker. Put heat under the lab tube and out of the bung should come distilled water!!!!!!!!

Answer 4

buy packets that can clean up to one gallon of water per packet.

Answer 5

Salty water can be distilled to obtain pure water.

Answer 6

By boiling it and collecting the condensed water droplets. Or... By passing it through a desalination plant.