Iron Removal from Drinking Water System using Ecofriendly Synthesized Metal-Organic Frameworks

Abstract

Urbanization and industrialization had decreased the drinking water quality to a greater extent. Iron contamination is a serious issue in many open well and bore well samples of Kerala, India. Intake of large amount of iron causes serious health issues to humans. There were several methods for the removal of iron from drinking water. But the cost of these treatments is not affordable to common people. Use of eco-friendly materials for the effective removal of iron from water samples is the major concern for this study. Different plant materials which are easily available in Kerala were used in this study for the effective removal of iron. Clitoria ternatea, which is a climber was selected as the adsorbent material. The extracts of this plant materials were incorporated in Magnesium based Metal-Organic-Framework (MOF) and used for water treatment. Among the prepared MOFs, that modified with flower extract of Clitoria ternatea, was found to be more effective at an adsorbent dosage of 40ppm. The adsorption process was analyzed using different isotherms and found suitable for Langmuir adsorption. Hence a mono-layer of adsorption was formed on the adsorbent surface by physical adsorption.