Treatment of Galvanized Waste Water by Membrane Distillation with Natural Adsorbent: A Review
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2017, Vol 4, Issue 3
Abstract
Wastewater containing high concentrations of metal ions can be harmful to aquatic life and degrade the water quality. The metal ions are removed by Adsorption and Membrane distillation process. However, these methods are less effective and relatively expensive. Therefore, there is a need for alternative technologies to improve the efficiency of metal ions removal from wastewater. This study deals with the process of removal of metal ions from galvanized waste water through a combination of adsorption in the membrane contactor and biological treatment. The parameters pH, COD, BOD, Adsorbent dosage and contact time is tested in the galvanized waste water. Oryza sativa, Arachis hypogea, Prunus dulcis, Citrullus lanatus, Citrus limon are used as a natural absorbent to treat the water before Membrane distillation. In this experiment, the wastewater from the galvanized industry was firstly collected and treated to remove the heavy metal ions present in the waste water. The treated water is finally utilized for irrigation purpose.
Authors and Affiliations
A. Latha
Keywords
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