Wastewater Treatment and Recycling Technologies

Abstract

Due to the continuous population growth, uneven distribution of water resources, periodic droughts, and water pollution, it is very important to develop water treatment and recycling technologies for economic, effective, and fast water treatment and reclamation. Different types of water treatment and recycling techniques and their basic principles, applications, costs, maintenance, and suitability are discussed. In addition, a systematic approach to water treatment and recycling, involving understanding, evaluating, and selecting parameters, is presented. A comparison of the technologies is discussed from the view points of performance, sludge production, life cycle, operation, and maintenance. Brief guidance for selecting appropriate technologies for specific applications is also evaluated.

New Generation Adsorbents for Water Treatment

“…17,18 Initially, activated carbon was used for the removal of pollutants from water, which has been replaced by some cost-effective adsorbents. 55,56 In the last two decades, nanotechnology has developed with its applications in almost all branches of science and technology. In this series, water treatment is not deprived of nanotechnology.…”

“…It was observed that, in spite of some limitations, it will be a good water treatment technology in the near future. Much work has been carried on the removal of different pollutants from water by using adsorption batch modes. , Initially, activated carbon was used for the removal of pollutants from water, which has been replaced by some cost-effective adsorbents. , In the last two decades, nanotechnology has developed with its applications in almost all branches of science and technology. In this series, water treatment is not deprived of nanotechnology.…”