Reverse Osmosis definition
The movement of molecules across through a semi-permeable membrane from a higher concentration region to a lower concentration region is called reverse osmosis. This process is used successfully in water treatment. In this case semi-permeable membrane allow the water to passes through, but not allowed hardness forming metal ions and other bulk molecules such as Read more
There are different sources of water. About 75 percent of the earth’s surface is covered with water. But all water is not suitable for drinking. It should be conditioning before use. Water is essential for every living thing on the earth. The sources of water mainly classified into four groups.
Surface water means the water that are present on the surface of the earth. The main Read more