Question

Explain the traditional way to purify water to make it fit for drinking

Answer 1

filtration process by pots

Answer 2

When drinking water is riddled with impurities it is necessary to purify it, as it is of paramount importance to human health and well being of any society. Though numerous technologies have come up to purify water, majority of population in developing countries, finds it difficult to use them. In such circumstances simple techniques with low level of mechanisation can be applied. Such techniques can serve small communities or individual households. This article provides a list of such techniques that have been developed to cater to the needs of such communities.

These techniques are simple and can treat water to a minimum extent wherein visible impurities can be removed. Thus they by no means can meet the set standards meant for consumption. The methods used by different communities in different countries are as follows:

Winnowing
Through cloth
Clay vessels
Clarification and filtration through plant material
Jempeng stone filter method
Horizontal flow coarse media filter
Upflow gravel filter
Two-stage filter
Upflow/downflow filte