. Conclusions
During the preparation of this article, it was realized that the application of low cost adsorbents in water treatment is boon for the environmental scientists and Government authorities. It is due to their inexpensiveness and free availability. Their applications are important for developing and under developed countries. It can be concluded from the critical evaluation of this article that the discussed low cost adsorbents have wide range of applications in removal of different sorts of pollutants. Of course, many papers are available on this subject but adsorption is not developed fully especially at pilot and industrial scales. Therefore, there is a great need of the removal of organic pollutants from water by using low cost adsorbents at pilot and industrial scales