reverse osmosis water filtration

By this technique sewage water can he converted into fairly clean drinking water..

Reverse Osmosis and Water Purification - The osmosis process can actually be reversed if a pressure larger than the osmotic pressure be applied to the solution. This phenomenon has found uses in water purification, especially the desalinat..

The following techniques are adopted for purifying water in hom..

It is a physical process in which the solvent (water) moves from the region of its higher concentration to the region of its lower concentration across a semi-permeable membrane. This is to say that water moves from a dilute to a concentrated solution. Water is absorbe..

Osmosis in a cell can be demonstrated by a potato osmoscope experiment. Peel the skin of a potato and remove the inner contents to form a cup shaped hollow. Place the potato in a container with water. Pour 5% sugar solution in to the potato cup up to a particular level. Pierce ..

The hot saturated solution is filtered using a fluted filter paper for quick filtration, placed in a glass funnel or by hot water funnel to prevent crystallization during filtration. Filtration using a Filtration using hot wat..

A thistle funnel, covered at the broad end by a differentially permeable membrane, contains a 10% sugar solution. The beaker contains a 5% sugar solution as shown in fig. a. The solute is unable to pass through the membrane, but the water passes freely through in both directions. The net..

In the absorption of water by plants Cell to cell movement of water occurs throughout the plant body The rigidity of plant organs is maintained Leaves become turgid and expand due to osmotic pressure Growing points of root remain turgid and penetrate the soil parti..

Most of the reactions are reversible in nature. In these reactions both the forward and the backward reactions occur simultaneously. For e.g., in the following reaction, the forward reaction is exothermic; but the backward reaction is endothermic: But both the reactions occur. This m..

Usually chemical reactions proceed only in one direction. But in some cases the reaction reverses itself. Example, when steam is passed over red hot iron, magnetic oxide of iron and hydrogen gas are formed. If hydrogen gas is passed over heated magnetic oxide of iron, the reverse..